From 612c8d5841657e03d310ef37e0e4602f89221998 Mon Sep 17 00:00:00 2001
From: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
Date: Tue, 24 Jun 2025 09:43:40 +1000
Subject: [PATCH 01/12] [lvgl] Fix dangling pointer issue with qrcode (#9190)

---
 esphome/components/lvgl/widgets/qrcode.py | 10 ++++------
 tests/components/lvgl/lvgl-package.yaml   |  4 +++-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/esphome/components/lvgl/widgets/qrcode.py b/esphome/components/lvgl/widgets/qrcode.py
index 742b538938..7d8d13d8c4 100644
--- a/esphome/components/lvgl/widgets/qrcode.py
+++ b/esphome/components/lvgl/widgets/qrcode.py
@@ -3,7 +3,7 @@ import esphome.config_validation as cv
 from esphome.const import CONF_SIZE, CONF_TEXT
 from esphome.cpp_generator import MockObjClass
 
-from ..defines import CONF_MAIN, literal
+from ..defines import CONF_MAIN
 from ..lv_validation import color, color_retmapper, lv_text
 from ..lvcode import LocalVariable, lv, lv_expr
 from ..schemas import TEXT_SCHEMA
@@ -34,7 +34,7 @@ class QrCodeType(WidgetType):
         )
 
     def get_uses(self):
-        return ("canvas", "img")
+        return ("canvas", "img", "label")
 
     def obj_creator(self, parent: MockObjClass, config: dict):
         dark_color = color_retmapper(config[CONF_DARK_COLOR])
@@ -45,10 +45,8 @@ class QrCodeType(WidgetType):
     async def to_code(self, w: Widget, config):
         if (value := config.get(CONF_TEXT)) is not None:
             value = await lv_text.process(value)
-            with LocalVariable(
-                "qr_text", cg.const_char_ptr, value, modifier=""
-            ) as str_obj:
-                lv.qrcode_update(w.obj, str_obj, literal(f"strlen({str_obj})"))
+            with LocalVariable("qr_text", cg.std_string, value, modifier="") as str_obj:
+                lv.qrcode_update(w.obj, str_obj.c_str(), str_obj.size())
 
 
 qr_code_spec = QrCodeType()
diff --git a/tests/components/lvgl/lvgl-package.yaml b/tests/components/lvgl/lvgl-package.yaml
index f32b09d0e6..212e30c1eb 100644
--- a/tests/components/lvgl/lvgl-package.yaml
+++ b/tests/components/lvgl/lvgl-package.yaml
@@ -646,7 +646,9 @@ lvgl:
             on_click:
               lvgl.qrcode.update:
                 id: lv_qr
-                text: homeassistant.io
+                text:
+                  format: "A string with a number %d"
+                  args: ['(int)(random_uint32() % 1000)']
 
         - slider:
             min_value: 0

From 7ad6dab3839686ec64ba15de4d0a10c41e506346 Mon Sep 17 00:00:00 2001
From: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Date: Tue, 24 Jun 2025 13:31:38 +1200
Subject: [PATCH 02/12] [mqtt] Don't wait for connection unless configured to
 (#8933)

---
 esphome/components/mqtt/__init__.py     | 4 ++++
 esphome/components/mqtt/mqtt_client.cpp | 3 ++-
 esphome/components/mqtt/mqtt_client.h   | 9 ++++++---
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/esphome/components/mqtt/__init__.py b/esphome/components/mqtt/__init__.py
index 63d8da5788..f0d5a95d43 100644
--- a/esphome/components/mqtt/__init__.py
+++ b/esphome/components/mqtt/__init__.py
@@ -68,6 +68,7 @@ def AUTO_LOAD():
 
 CONF_DISCOVER_IP = "discover_ip"
 CONF_IDF_SEND_ASYNC = "idf_send_async"
+CONF_WAIT_FOR_CONNECTION = "wait_for_connection"
 
 
 def validate_message_just_topic(value):
@@ -298,6 +299,7 @@ CONFIG_SCHEMA = cv.All(
                 }
             ),
             cv.Optional(CONF_PUBLISH_NAN_AS_NONE, default=False): cv.boolean,
+            cv.Optional(CONF_WAIT_FOR_CONNECTION, default=False): cv.boolean,
         }
     ),
     validate_config,
@@ -453,6 +455,8 @@ async def to_code(config):
 
     cg.add(var.set_publish_nan_as_none(config[CONF_PUBLISH_NAN_AS_NONE]))
 
+    cg.add(var.set_wait_for_connection(config[CONF_WAIT_FOR_CONNECTION]))
+
 
 MQTT_PUBLISH_ACTION_SCHEMA = cv.Schema(
     {
diff --git a/esphome/components/mqtt/mqtt_client.cpp b/esphome/components/mqtt/mqtt_client.cpp
index ceb56bdfbe..3ba1ac6077 100644
--- a/esphome/components/mqtt/mqtt_client.cpp
+++ b/esphome/components/mqtt/mqtt_client.cpp
@@ -176,7 +176,8 @@ void MQTTClientComponent::dump_config() {
   }
 }
 bool MQTTClientComponent::can_proceed() {
-  return network::is_disabled() || this->state_ == MQTT_CLIENT_DISABLED || this->is_connected();
+  return network::is_disabled() || this->state_ == MQTT_CLIENT_DISABLED || this->is_connected() ||
+         !this->wait_for_connection_;
 }
 
 void MQTTClientComponent::start_dnslookup_() {
diff --git a/esphome/components/mqtt/mqtt_client.h b/esphome/components/mqtt/mqtt_client.h
index c68b3c62eb..a95b122383 100644
--- a/esphome/components/mqtt/mqtt_client.h
+++ b/esphome/components/mqtt/mqtt_client.h
@@ -4,11 +4,11 @@
 
 #ifdef USE_MQTT
 
-#include "esphome/core/component.h"
-#include "esphome/core/automation.h"
-#include "esphome/core/log.h"
 #include "esphome/components/json/json_util.h"
 #include "esphome/components/network/ip_address.h"
+#include "esphome/core/automation.h"
+#include "esphome/core/component.h"
+#include "esphome/core/log.h"
 #if defined(USE_ESP32)
 #include "mqtt_backend_esp32.h"
 #elif defined(USE_ESP8266)
@@ -267,6 +267,8 @@ class MQTTClientComponent : public Component {
   void set_publish_nan_as_none(bool publish_nan_as_none);
   bool is_publish_nan_as_none() const;
 
+  void set_wait_for_connection(bool wait_for_connection) { this->wait_for_connection_ = wait_for_connection; }
+
  protected:
   void send_device_info_();
 
@@ -334,6 +336,7 @@ class MQTTClientComponent : public Component {
   optional<MQTTClientDisconnectReason> disconnect_reason_{};
 
   bool publish_nan_as_none_{false};
+  bool wait_for_connection_{false};
 };
 
 extern MQTTClientComponent *global_mqtt_client;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)

From 2df0ebd895220f8f8fd0b37bb929749f47f1a6ab Mon Sep 17 00:00:00 2001
From: Javier Peletier <jpeletier@users.noreply.github.com>
Date: Wed, 25 Jun 2025 01:31:23 +0200
Subject: [PATCH 03/12] [modbus_controller] Fix modbus read_lambda precision
 for non-floats or large integers (#9159)

---
 esphome/components/modbus/modbus.h            |  8 +++
 .../components/modbus_controller/__init__.py  | 43 ++++++++++-----
 .../modbus_controller/modbus_controller.cpp   | 21 ++++----
 .../modbus_controller/modbus_controller.h     | 53 ++++++++++++++++---
 4 files changed, 96 insertions(+), 29 deletions(-)

diff --git a/esphome/components/modbus/modbus.h b/esphome/components/modbus/modbus.h
index 4a78ed4aab..aebdbccc78 100644
--- a/esphome/components/modbus/modbus.h
+++ b/esphome/components/modbus/modbus.h
@@ -64,6 +64,14 @@ class ModbusDevice {
     this->parent_->send(this->address_, function, start_address, number_of_entities, payload_len, payload);
   }
   void send_raw(const std::vector<uint8_t> &payload) { this->parent_->send_raw(payload); }
+  void send_error(uint8_t function_code, uint8_t exception_code) {
+    std::vector<uint8_t> error_response;
+    error_response.reserve(3);
+    error_response.push_back(this->address_);
+    error_response.push_back(function_code | 0x80);
+    error_response.push_back(exception_code);
+    this->send_raw(error_response);
+  }
   // If more than one device is connected block sending a new command before a response is received
   bool waiting_for_response() { return parent_->waiting_for_response != 0; }
 
diff --git a/esphome/components/modbus_controller/__init__.py b/esphome/components/modbus_controller/__init__.py
index 61b60498d0..8079b824b0 100644
--- a/esphome/components/modbus_controller/__init__.py
+++ b/esphome/components/modbus_controller/__init__.py
@@ -112,6 +112,22 @@ TYPE_REGISTER_MAP = {
     "FP32_R": 2,
 }
 
+CPP_TYPE_REGISTER_MAP = {
+    "RAW": cg.uint16,
+    "U_WORD": cg.uint16,
+    "S_WORD": cg.int16,
+    "U_DWORD": cg.uint32,
+    "U_DWORD_R": cg.uint32,
+    "S_DWORD": cg.int32,
+    "S_DWORD_R": cg.int32,
+    "U_QWORD": cg.uint64,
+    "U_QWORD_R": cg.uint64,
+    "S_QWORD": cg.int64,
+    "S_QWORD_R": cg.int64,
+    "FP32": cg.float_,
+    "FP32_R": cg.float_,
+}
+
 ModbusCommandSentTrigger = modbus_controller_ns.class_(
     "ModbusCommandSentTrigger", automation.Trigger.template(cg.int_, cg.int_)
 )
@@ -285,21 +301,24 @@ async def to_code(config):
     cg.add(var.set_offline_skip_updates(config[CONF_OFFLINE_SKIP_UPDATES]))
     if CONF_SERVER_REGISTERS in config:
         for server_register in config[CONF_SERVER_REGISTERS]:
+            server_register_var = cg.new_Pvariable(
+                server_register[CONF_ID],
+                server_register[CONF_ADDRESS],
+                server_register[CONF_VALUE_TYPE],
+                TYPE_REGISTER_MAP[server_register[CONF_VALUE_TYPE]],
+            )
+            cpp_type = CPP_TYPE_REGISTER_MAP[server_register[CONF_VALUE_TYPE]]
             cg.add(
-                var.add_server_register(
-                    cg.new_Pvariable(
-                        server_register[CONF_ID],
-                        server_register[CONF_ADDRESS],
-                        server_register[CONF_VALUE_TYPE],
-                        TYPE_REGISTER_MAP[server_register[CONF_VALUE_TYPE]],
-                        await cg.process_lambda(
-                            server_register[CONF_READ_LAMBDA],
-                            [],
-                            return_type=cg.float_,
-                        ),
-                    )
+                server_register_var.set_read_lambda(
+                    cg.TemplateArguments(cpp_type),
+                    await cg.process_lambda(
+                        server_register[CONF_READ_LAMBDA],
+                        [(cg.uint16, "address")],
+                        return_type=cpp_type,
+                    ),
                 )
             )
+            cg.add(var.add_server_register(server_register_var))
     await register_modbus_device(var, config)
     for conf in config.get(CONF_ON_COMMAND_SENT, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
diff --git a/esphome/components/modbus_controller/modbus_controller.cpp b/esphome/components/modbus_controller/modbus_controller.cpp
index 48ff868087..81e9ccf0a6 100644
--- a/esphome/components/modbus_controller/modbus_controller.cpp
+++ b/esphome/components/modbus_controller/modbus_controller.cpp
@@ -117,12 +117,17 @@ void ModbusController::on_modbus_read_registers(uint8_t function_code, uint16_t
     bool found = false;
     for (auto *server_register : this->server_registers_) {
       if (server_register->address == current_address) {
-        float value = server_register->read_lambda();
+        if (!server_register->read_lambda) {
+          break;
+        }
+        int64_t value = server_register->read_lambda();
+        ESP_LOGD(TAG, "Matched register. Address: 0x%02X. Value type: %zu. Register count: %u. Value: %s.",
+                 server_register->address, static_cast<size_t>(server_register->value_type),
+                 server_register->register_count, server_register->format_value(value).c_str());
 
-        ESP_LOGD(TAG, "Matched register. Address: 0x%02X. Value type: %zu. Register count: %u. Value: %0.1f.",
-                 server_register->address, static_cast<uint8_t>(server_register->value_type),
-                 server_register->register_count, value);
-        std::vector<uint16_t> payload = float_to_payload(value, server_register->value_type);
+        std::vector<uint16_t> payload;
+        payload.reserve(server_register->register_count * 2);
+        number_to_payload(payload, value, server_register->value_type);
         sixteen_bit_response.insert(sixteen_bit_response.end(), payload.cbegin(), payload.cend());
         current_address += server_register->register_count;
         found = true;
@@ -132,11 +137,7 @@ void ModbusController::on_modbus_read_registers(uint8_t function_code, uint16_t
 
     if (!found) {
       ESP_LOGW(TAG, "Could not match any register to address %02X. Sending exception response.", current_address);
-      std::vector<uint8_t> error_response;
-      error_response.push_back(this->address_);
-      error_response.push_back(0x81);
-      error_response.push_back(0x02);
-      this->send_raw(error_response);
+      send_error(function_code, 0x02);
       return;
     }
   }
diff --git a/esphome/components/modbus_controller/modbus_controller.h b/esphome/components/modbus_controller/modbus_controller.h
index dfd52e44bc..11d27c4025 100644
--- a/esphome/components/modbus_controller/modbus_controller.h
+++ b/esphome/components/modbus_controller/modbus_controller.h
@@ -63,6 +63,10 @@ enum class SensorValueType : uint8_t {
   FP32_R = 0xD
 };
 
+inline bool value_type_is_float(SensorValueType v) {
+  return v == SensorValueType::FP32 || v == SensorValueType::FP32_R;
+}
+
 inline ModbusFunctionCode modbus_register_read_function(ModbusRegisterType reg_type) {
   switch (reg_type) {
     case ModbusRegisterType::COIL:
@@ -253,18 +257,53 @@ class SensorItem {
 };
 
 class ServerRegister {
+  using ReadLambda = std::function<int64_t()>;
+
  public:
-  ServerRegister(uint16_t address, SensorValueType value_type, uint8_t register_count,
-                 std::function<float()> read_lambda) {
+  ServerRegister(uint16_t address, SensorValueType value_type, uint8_t register_count) {
     this->address = address;
     this->value_type = value_type;
     this->register_count = register_count;
-    this->read_lambda = std::move(read_lambda);
   }
+
+  template<typename T> void set_read_lambda(const std::function<T(uint16_t address)> &&user_read_lambda) {
+    this->read_lambda = [this, user_read_lambda]() -> int64_t {
+      T user_value = user_read_lambda(this->address);
+      if constexpr (std::is_same_v<T, float>) {
+        return bit_cast<uint32_t>(user_value);
+      } else {
+        return static_cast<int64_t>(user_value);
+      }
+    };
+  }
+
+  // Formats a raw value into a string representation based on the value type for debugging
+  std::string format_value(int64_t value) const {
+    switch (this->value_type) {
+      case SensorValueType::U_WORD:
+      case SensorValueType::U_DWORD:
+      case SensorValueType::U_DWORD_R:
+      case SensorValueType::U_QWORD:
+      case SensorValueType::U_QWORD_R:
+        return std::to_string(static_cast<uint64_t>(value));
+      case SensorValueType::S_WORD:
+      case SensorValueType::S_DWORD:
+      case SensorValueType::S_DWORD_R:
+      case SensorValueType::S_QWORD:
+      case SensorValueType::S_QWORD_R:
+        return std::to_string(value);
+      case SensorValueType::FP32_R:
+      case SensorValueType::FP32:
+        return str_sprintf("%.1f", bit_cast<float>(static_cast<uint32_t>(value)));
+      default:
+        return std::to_string(value);
+    }
+  }
+
   uint16_t address{0};
   SensorValueType value_type{SensorValueType::RAW};
   uint8_t register_count{0};
-  std::function<float()> read_lambda;
+  ReadLambda read_lambda;
 };
 
 // ModbusController::create_register_ranges_ tries to optimize register range
@@ -444,7 +483,7 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
   void on_modbus_data(const std::vector<uint8_t> &data) override;
   /// called when a modbus error response was received
   void on_modbus_error(uint8_t function_code, uint8_t exception_code) override;
-  /// called when a modbus request (function code 3 or 4) was parsed without errors
+  /// called when a modbus request (function code 0x03 or 0x04) was parsed without errors
   void on_modbus_read_registers(uint8_t function_code, uint16_t start_address, uint16_t number_of_registers) final;
   /// default delegate called by process_modbus_data when a response has retrieved from the incoming queue
   void on_register_data(ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data);
@@ -529,7 +568,7 @@ inline float payload_to_float(const std::vector<uint8_t> &data, const SensorItem
   int64_t number = payload_to_number(data, item.sensor_value_type, item.offset, item.bitmask);
 
   float float_value;
-  if (item.sensor_value_type == SensorValueType::FP32 || item.sensor_value_type == SensorValueType::FP32_R) {
+  if (value_type_is_float(item.sensor_value_type)) {
     float_value = bit_cast<float>(static_cast<uint32_t>(number));
   } else {
     float_value = static_cast<float>(number);
@@ -541,7 +580,7 @@ inline float payload_to_float(const std::vector<uint8_t> &data, const SensorItem
 inline std::vector<uint16_t> float_to_payload(float value, SensorValueType value_type) {
   int64_t val;
 
-  if (value_type == SensorValueType::FP32 || value_type == SensorValueType::FP32_R) {
+  if (value_type_is_float(value_type)) {
     val = bit_cast<uint32_t>(value);
   } else {
     val = llroundf(value);

From 9f831e91b326fee96fa187cee85e4b777f7d3031 Mon Sep 17 00:00:00 2001
From: Keith Burzinski <kbx81x@gmail.com>
Date: Tue, 24 Jun 2025 19:36:33 -0500
Subject: [PATCH 04/12] [helpers] Add ``format_mac_address_pretty`` function,
 migrate components (#9193)

---
 esphome/components/esp32_ble/ble.cpp          | 10 ++++-----
 esphome/components/ld2410/ld2410.cpp          | 21 +++----------------
 esphome/components/ld2450/ld2450.cpp          | 10 +++------
 esphome/components/wifi/wifi_component.cpp    |  5 -----
 esphome/components/wifi/wifi_component.h      |  2 --
 .../wifi/wifi_component_esp32_arduino.cpp     | 10 ++++-----
 .../wifi/wifi_component_esp8266.cpp           | 13 ++++++------
 .../wifi/wifi_component_esp_idf.cpp           | 10 ++++-----
 .../wifi/wifi_component_libretiny.cpp         | 10 ++++-----
 esphome/components/xiaomi_ble/xiaomi_ble.cpp  |  2 +-
 esphome/core/helpers.cpp                      |  6 +++++-
 esphome/core/helpers.h                        |  2 ++
 12 files changed, 41 insertions(+), 60 deletions(-)

diff --git a/esphome/components/esp32_ble/ble.cpp b/esphome/components/esp32_ble/ble.cpp
index cf63ad34d7..b10d1fe10a 100644
--- a/esphome/components/esp32_ble/ble.cpp
+++ b/esphome/components/esp32_ble/ble.cpp
@@ -4,6 +4,7 @@
 #include "ble_event_pool.h"
 
 #include "esphome/core/application.h"
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
 #include <esp_bt.h>
@@ -516,13 +517,12 @@ void ESP32BLE::dump_config() {
         break;
     }
     ESP_LOGCONFIG(TAG,
-                  "ESP32 BLE:\n"
-                  "  MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n"
+                  "BLE:\n"
+                  "  MAC address: %s\n"
                   "  IO Capability: %s",
-                  mac_address[0], mac_address[1], mac_address[2], mac_address[3], mac_address[4], mac_address[5],
-                  io_capability_s);
+                  format_mac_address_pretty(mac_address).c_str(), io_capability_s);
   } else {
-    ESP_LOGCONFIG(TAG, "ESP32 BLE: bluetooth stack is not enabled");
+    ESP_LOGCONFIG(TAG, "Bluetooth stack is not enabled");
   }
 }
 
diff --git a/esphome/components/ld2410/ld2410.cpp b/esphome/components/ld2410/ld2410.cpp
index d7007ae0bd..4272159da6 100644
--- a/esphome/components/ld2410/ld2410.cpp
+++ b/esphome/components/ld2410/ld2410.cpp
@@ -299,21 +299,6 @@ const char MAC_FMT[] = "%02X:%02X:%02X:%02X:%02X:%02X";
 const std::string UNKNOWN_MAC("unknown");
 const std::string NO_MAC("08:05:04:03:02:01");
 
-std::string format_mac(uint8_t *buffer) {
-  std::string::size_type mac_size = 256;
-  std::string mac;
-  do {
-    mac.resize(mac_size + 1);
-    mac_size = std::snprintf(&mac[0], mac.size(), MAC_FMT, buffer[10], buffer[11], buffer[12], buffer[13], buffer[14],
-                             buffer[15]);
-  } while (mac_size + 1 > mac.size());
-  mac.resize(mac_size);
-  if (mac == NO_MAC) {
-    return UNKNOWN_MAC;
-  }
-  return mac;
-}
-
 #ifdef USE_NUMBER
 std::function<void(void)> set_number_value(number::Number *n, float value) {
   float normalized_value = value * 1.0;
@@ -406,11 +391,11 @@ bool LD2410Component::handle_ack_data_(uint8_t *buffer, int len) {
       if (len < 20) {
         return false;
       }
-      this->mac_ = format_mac(buffer);
-      ESP_LOGV(TAG, "MAC Address is: %s", const_cast<char *>(this->mac_.c_str()));
+      this->mac_ = format_mac_address_pretty(&buffer[10]);
+      ESP_LOGV(TAG, "MAC address: %s", this->mac_.c_str());
 #ifdef USE_TEXT_SENSOR
       if (this->mac_text_sensor_ != nullptr) {
-        this->mac_text_sensor_->publish_state(this->mac_);
+        this->mac_text_sensor_->publish_state(this->mac_ == NO_MAC ? UNKNOWN_MAC : this->mac_);
       }
 #endif
 #ifdef USE_SWITCH
diff --git a/esphome/components/ld2450/ld2450.cpp b/esphome/components/ld2450/ld2450.cpp
index 519e4d89a3..4070c75fad 100644
--- a/esphome/components/ld2450/ld2450.cpp
+++ b/esphome/components/ld2450/ld2450.cpp
@@ -7,6 +7,7 @@
 #include "esphome/components/sensor/sensor.h"
 #endif
 #include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
 
 #define highbyte(val) (uint8_t)((val) >> 8)
 #define lowbyte(val) (uint8_t)((val) &0xff)
@@ -96,11 +97,6 @@ static inline std::string get_direction(int16_t speed) {
   return STATIONARY;
 }
 
-static inline std::string format_mac(uint8_t *buffer) {
-  return str_snprintf("%02X:%02X:%02X:%02X:%02X:%02X", 17, buffer[10], buffer[11], buffer[12], buffer[13], buffer[14],
-                      buffer[15]);
-}
-
 static inline std::string format_version(uint8_t *buffer) {
   return str_sprintf("%u.%02X.%02X%02X%02X%02X", buffer[13], buffer[12], buffer[17], buffer[16], buffer[15],
                      buffer[14]);
@@ -613,7 +609,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
       if (len < 20) {
         return false;
       }
-      this->mac_ = ld2450::format_mac(buffer);
+      this->mac_ = format_mac_address_pretty(&buffer[10]);
       ESP_LOGV(TAG, "MAC address: %s", this->mac_.c_str());
 #ifdef USE_TEXT_SENSOR
       if (this->mac_text_sensor_ != nullptr) {
@@ -622,7 +618,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
 #endif
 #ifdef USE_SWITCH
       if (this->bluetooth_switch_ != nullptr) {
-        this->bluetooth_switch_->publish_state(this->mac_ != NO_MAC);
+        this->bluetooth_switch_->publish_state(this->mac_ != UNKNOWN_MAC);
       }
 #endif
       break;
diff --git a/esphome/components/wifi/wifi_component.cpp b/esphome/components/wifi/wifi_component.cpp
index 51ae1c9f8e..d717b68340 100644
--- a/esphome/components/wifi/wifi_component.cpp
+++ b/esphome/components/wifi/wifi_component.cpp
@@ -741,11 +741,6 @@ void WiFiComponent::set_power_save_mode(WiFiPowerSaveMode power_save) { this->po
 
 void WiFiComponent::set_passive_scan(bool passive) { this->passive_scan_ = passive; }
 
-std::string WiFiComponent::format_mac_addr(const uint8_t *mac) {
-  char buf[20];
-  sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-  return buf;
-}
 bool WiFiComponent::is_captive_portal_active_() {
 #ifdef USE_CAPTIVE_PORTAL
   return captive_portal::global_captive_portal != nullptr && captive_portal::global_captive_portal->is_active();
diff --git a/esphome/components/wifi/wifi_component.h b/esphome/components/wifi/wifi_component.h
index 982007e47f..efd43077d1 100644
--- a/esphome/components/wifi/wifi_component.h
+++ b/esphome/components/wifi/wifi_component.h
@@ -321,8 +321,6 @@ class WiFiComponent : public Component {
   int32_t get_wifi_channel();
 
  protected:
-  static std::string format_mac_addr(const uint8_t mac[6]);
-
 #ifdef USE_WIFI_AP
   void setup_ap_config_();
 #endif  // USE_WIFI_AP
diff --git a/esphome/components/wifi/wifi_component_esp32_arduino.cpp b/esphome/components/wifi/wifi_component_esp32_arduino.cpp
index 3fc2c009db..a7877eb90b 100644
--- a/esphome/components/wifi/wifi_component_esp32_arduino.cpp
+++ b/esphome/components/wifi/wifi_component_esp32_arduino.cpp
@@ -550,7 +550,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
       memcpy(buf, it.ssid, it.ssid_len);
       buf[it.ssid_len] = '\0';
       ESP_LOGV(TAG, "Connected ssid='%s' bssid=" LOG_SECRET("%s") " channel=%u, authmode=%s", buf,
-               format_mac_addr(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
+               format_mac_address_pretty(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
 #if USE_NETWORK_IPV6
       this->set_timeout(100, [] { WiFi.enableIPv6(); });
 #endif /* USE_NETWORK_IPV6 */
@@ -566,7 +566,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
         ESP_LOGW(TAG, "Disconnected ssid='%s' reason='Probe Request Unsuccessful'", buf);
       } else {
         ESP_LOGW(TAG, "Disconnected ssid='%s' bssid=" LOG_SECRET("%s") " reason='%s'", buf,
-                 format_mac_addr(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
+                 format_mac_address_pretty(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
       }
 
       uint8_t reason = it.reason;
@@ -636,13 +636,13 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
     case ESPHOME_EVENT_ID_WIFI_AP_STACONNECTED: {
       auto it = info.wifi_sta_connected;
       auto &mac = it.bssid;
-      ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_addr(mac).c_str());
+      ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_address_pretty(mac).c_str());
       break;
     }
     case ESPHOME_EVENT_ID_WIFI_AP_STADISCONNECTED: {
       auto it = info.wifi_sta_disconnected;
       auto &mac = it.bssid;
-      ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_addr(mac).c_str());
+      ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_address_pretty(mac).c_str());
       break;
     }
     case ESPHOME_EVENT_ID_WIFI_AP_STAIPASSIGNED: {
@@ -651,7 +651,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
     }
     case ESPHOME_EVENT_ID_WIFI_AP_PROBEREQRECVED: {
       auto it = info.wifi_ap_probereqrecved;
-      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_addr(it.mac).c_str(), it.rssi);
+      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_address_pretty(it.mac).c_str(), it.rssi);
       break;
     }
     default:
diff --git a/esphome/components/wifi/wifi_component_esp8266.cpp b/esphome/components/wifi/wifi_component_esp8266.cpp
index 594bc79e54..ae1daed8b5 100644
--- a/esphome/components/wifi/wifi_component_esp8266.cpp
+++ b/esphome/components/wifi/wifi_component_esp8266.cpp
@@ -496,7 +496,8 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
       char buf[33];
       memcpy(buf, it.ssid, it.ssid_len);
       buf[it.ssid_len] = '\0';
-      ESP_LOGV(TAG, "Connected ssid='%s' bssid=%s channel=%u", buf, format_mac_addr(it.bssid).c_str(), it.channel);
+      ESP_LOGV(TAG, "Connected ssid='%s' bssid=%s channel=%u", buf, format_mac_address_pretty(it.bssid).c_str(),
+               it.channel);
       s_sta_connected = true;
       break;
     }
@@ -510,7 +511,7 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
         s_sta_connect_not_found = true;
       } else {
         ESP_LOGW(TAG, "Disconnected ssid='%s' bssid=" LOG_SECRET("%s") " reason='%s'", buf,
-                 format_mac_addr(it.bssid).c_str(), LOG_STR_ARG(get_disconnect_reason_str(it.reason)));
+                 format_mac_address_pretty(it.bssid).c_str(), LOG_STR_ARG(get_disconnect_reason_str(it.reason)));
         s_sta_connect_error = true;
       }
       s_sta_connected = false;
@@ -545,17 +546,17 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
     }
     case EVENT_SOFTAPMODE_STACONNECTED: {
       auto it = event->event_info.sta_connected;
-      ESP_LOGV(TAG, "AP client connected MAC=%s aid=%u", format_mac_addr(it.mac).c_str(), it.aid);
+      ESP_LOGV(TAG, "AP client connected MAC=%s aid=%u", format_mac_address_pretty(it.mac).c_str(), it.aid);
       break;
     }
     case EVENT_SOFTAPMODE_STADISCONNECTED: {
       auto it = event->event_info.sta_disconnected;
-      ESP_LOGV(TAG, "AP client disconnected MAC=%s aid=%u", format_mac_addr(it.mac).c_str(), it.aid);
+      ESP_LOGV(TAG, "AP client disconnected MAC=%s aid=%u", format_mac_address_pretty(it.mac).c_str(), it.aid);
       break;
     }
     case EVENT_SOFTAPMODE_PROBEREQRECVED: {
       auto it = event->event_info.ap_probereqrecved;
-      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_addr(it.mac).c_str(), it.rssi);
+      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_address_pretty(it.mac).c_str(), it.rssi);
       break;
     }
 #if USE_ARDUINO_VERSION_CODE >= VERSION_CODE(2, 4, 0)
@@ -567,7 +568,7 @@ void WiFiComponent::wifi_event_callback(System_Event_t *event) {
     }
     case EVENT_SOFTAPMODE_DISTRIBUTE_STA_IP: {
       auto it = event->event_info.distribute_sta_ip;
-      ESP_LOGV(TAG, "AP Distribute Station IP MAC=%s IP=%s aid=%u", format_mac_addr(it.mac).c_str(),
+      ESP_LOGV(TAG, "AP Distribute Station IP MAC=%s IP=%s aid=%u", format_mac_address_pretty(it.mac).c_str(),
                format_ip_addr(it.ip).c_str(), it.aid);
       break;
     }
diff --git a/esphome/components/wifi/wifi_component_esp_idf.cpp b/esphome/components/wifi/wifi_component_esp_idf.cpp
index e767e7ffc1..f0655a6d1d 100644
--- a/esphome/components/wifi/wifi_component_esp_idf.cpp
+++ b/esphome/components/wifi/wifi_component_esp_idf.cpp
@@ -691,7 +691,7 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
     memcpy(buf, it.ssid, it.ssid_len);
     buf[it.ssid_len] = '\0';
     ESP_LOGV(TAG, "Connected ssid='%s' bssid=" LOG_SECRET("%s") " channel=%u, authmode=%s", buf,
-             format_mac_addr(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
+             format_mac_address_pretty(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
     s_sta_connected = true;
 
   } else if (data->event_base == WIFI_EVENT && data->event_id == WIFI_EVENT_STA_DISCONNECTED) {
@@ -708,7 +708,7 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
       return;
     } else {
       ESP_LOGW(TAG, "Disconnected ssid='%s' bssid=" LOG_SECRET("%s") " reason='%s'", buf,
-               format_mac_addr(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
+               format_mac_address_pretty(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
       s_sta_connect_error = true;
     }
     s_sta_connected = false;
@@ -780,15 +780,15 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
 
   } else if (data->event_base == WIFI_EVENT && data->event_id == WIFI_EVENT_AP_PROBEREQRECVED) {
     const auto &it = data->data.ap_probe_req_rx;
-    ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_addr(it.mac).c_str(), it.rssi);
+    ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_address_pretty(it.mac).c_str(), it.rssi);
 
   } else if (data->event_base == WIFI_EVENT && data->event_id == WIFI_EVENT_AP_STACONNECTED) {
     const auto &it = data->data.ap_staconnected;
-    ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_addr(it.mac).c_str());
+    ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_address_pretty(it.mac).c_str());
 
   } else if (data->event_base == WIFI_EVENT && data->event_id == WIFI_EVENT_AP_STADISCONNECTED) {
     const auto &it = data->data.ap_stadisconnected;
-    ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_addr(it.mac).c_str());
+    ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_address_pretty(it.mac).c_str());
 
   } else if (data->event_base == IP_EVENT && data->event_id == IP_EVENT_AP_STAIPASSIGNED) {
     const auto &it = data->data.ip_ap_staipassigned;
diff --git a/esphome/components/wifi/wifi_component_libretiny.cpp b/esphome/components/wifi/wifi_component_libretiny.cpp
index 0f7b688290..b15f710150 100644
--- a/esphome/components/wifi/wifi_component_libretiny.cpp
+++ b/esphome/components/wifi/wifi_component_libretiny.cpp
@@ -281,7 +281,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
       memcpy(buf, it.ssid, it.ssid_len);
       buf[it.ssid_len] = '\0';
       ESP_LOGV(TAG, "Connected ssid='%s' bssid=" LOG_SECRET("%s") " channel=%u, authmode=%s", buf,
-               format_mac_addr(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
+               format_mac_address_pretty(it.bssid).c_str(), it.channel, get_auth_mode_str(it.authmode));
 
       break;
     }
@@ -294,7 +294,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
         ESP_LOGW(TAG, "Disconnected ssid='%s' reason='Probe Request Unsuccessful'", buf);
       } else {
         ESP_LOGW(TAG, "Disconnected ssid='%s' bssid=" LOG_SECRET("%s") " reason='%s'", buf,
-                 format_mac_addr(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
+                 format_mac_address_pretty(it.bssid).c_str(), get_disconnect_reason_str(it.reason));
       }
 
       uint8_t reason = it.reason;
@@ -349,13 +349,13 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
     case ESPHOME_EVENT_ID_WIFI_AP_STACONNECTED: {
       auto it = info.wifi_sta_connected;
       auto &mac = it.bssid;
-      ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_addr(mac).c_str());
+      ESP_LOGV(TAG, "AP client connected MAC=%s", format_mac_address_pretty(mac).c_str());
       break;
     }
     case ESPHOME_EVENT_ID_WIFI_AP_STADISCONNECTED: {
       auto it = info.wifi_sta_disconnected;
       auto &mac = it.bssid;
-      ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_addr(mac).c_str());
+      ESP_LOGV(TAG, "AP client disconnected MAC=%s", format_mac_address_pretty(mac).c_str());
       break;
     }
     case ESPHOME_EVENT_ID_WIFI_AP_STAIPASSIGNED: {
@@ -364,7 +364,7 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
     }
     case ESPHOME_EVENT_ID_WIFI_AP_PROBEREQRECVED: {
       auto it = info.wifi_ap_probereqrecved;
-      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_addr(it.mac).c_str(), it.rssi);
+      ESP_LOGVV(TAG, "AP receive Probe Request MAC=%s RSSI=%d", format_mac_address_pretty(it.mac).c_str(), it.rssi);
       break;
     }
     default:
diff --git a/esphome/components/xiaomi_ble/xiaomi_ble.cpp b/esphome/components/xiaomi_ble/xiaomi_ble.cpp
index a80daa0b80..564870d74e 100644
--- a/esphome/components/xiaomi_ble/xiaomi_ble.cpp
+++ b/esphome/components/xiaomi_ble/xiaomi_ble.cpp
@@ -320,7 +320,7 @@ bool decrypt_xiaomi_payload(std::vector<uint8_t> &raw, const uint8_t *bindkey, c
     memcpy(mac_address + 4, mac_reverse + 1, 1);
     memcpy(mac_address + 5, mac_reverse, 1);
     ESP_LOGVV(TAG, "decrypt_xiaomi_payload(): authenticated decryption failed.");
-    ESP_LOGVV(TAG, "  MAC address : %s", format_hex_pretty(mac_address, 6).c_str());
+    ESP_LOGVV(TAG, "  MAC address : %s", format_mac_address_pretty(mac_address).c_str());
     ESP_LOGVV(TAG, "       Packet : %s", format_hex_pretty(raw.data(), raw.size()).c_str());
     ESP_LOGVV(TAG, "          Key : %s", format_hex_pretty(vector.key, vector.keysize).c_str());
     ESP_LOGVV(TAG, "           Iv : %s", format_hex_pretty(vector.iv, vector.ivsize).c_str());
diff --git a/esphome/core/helpers.cpp b/esphome/core/helpers.cpp
index ec79cb8bbb..79dbb314c8 100644
--- a/esphome/core/helpers.cpp
+++ b/esphome/core/helpers.cpp
@@ -356,6 +356,10 @@ size_t parse_hex(const char *str, size_t length, uint8_t *data, size_t count) {
   return chars;
 }
 
+std::string format_mac_address_pretty(const uint8_t *mac) {
+  return str_snprintf("%02X:%02X:%02X:%02X:%02X:%02X", 17, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+}
+
 static char format_hex_char(uint8_t v) { return v >= 10 ? 'a' + (v - 10) : '0' + v; }
 std::string format_hex(const uint8_t *data, size_t length) {
   std::string ret;
@@ -732,7 +736,7 @@ std::string get_mac_address() {
 std::string get_mac_address_pretty() {
   uint8_t mac[6];
   get_mac_address_raw(mac);
-  return str_snprintf("%02X:%02X:%02X:%02X:%02X:%02X", 17, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+  return format_mac_address_pretty(mac);
 }
 
 #ifdef USE_ESP32
diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h
index 477f260bf0..8bd5b813c7 100644
--- a/esphome/core/helpers.h
+++ b/esphome/core/helpers.h
@@ -402,6 +402,8 @@ template<typename T, enable_if_t<std::is_unsigned<T>::value, int> = 0> optional<
   return parse_hex<T>(str.c_str(), str.length());
 }
 
+/// Format the six-byte array \p mac into a MAC address.
+std::string format_mac_address_pretty(const uint8_t mac[6]);
 /// Format the byte array \p data of length \p len in lowercased hex.
 std::string format_hex(const uint8_t *data, size_t length);
 /// Format the vector \p data in lowercased hex.

From cf5197b68acb0dcc379fe2932cf44b3c179553ba Mon Sep 17 00:00:00 2001
From: Keith Burzinski <kbx81x@gmail.com>
Date: Wed, 25 Jun 2025 03:15:50 -0500
Subject: [PATCH 05/12] [ld2450] Use ``App.get_loop_component_start_time()``,
 shorten log messages (#9192)

---
 esphome/components/ld2450/ld2450.cpp | 55 ++++++++++++++--------------
 1 file changed, 27 insertions(+), 28 deletions(-)

diff --git a/esphome/components/ld2450/ld2450.cpp b/esphome/components/ld2450/ld2450.cpp
index 4070c75fad..718c853d22 100644
--- a/esphome/components/ld2450/ld2450.cpp
+++ b/esphome/components/ld2450/ld2450.cpp
@@ -6,6 +6,7 @@
 #ifdef USE_SENSOR
 #include "esphome/components/sensor/sensor.h"
 #endif
+#include "esphome/core/application.h"
 #include "esphome/core/component.h"
 #include "esphome/core/helpers.h"
 
@@ -116,7 +117,7 @@ void LD2450Component::setup() {
 }
 
 void LD2450Component::dump_config() {
-  ESP_LOGCONFIG(TAG, "HLK-LD2450 Human motion tracking radar module:");
+  ESP_LOGCONFIG(TAG, "LD2450:");
 #ifdef USE_BINARY_SENSOR
   LOG_BINARY_SENSOR("  ", "TargetBinarySensor", this->target_binary_sensor_);
   LOG_BINARY_SENSOR("  ", "MovingTargetBinarySensor", this->moving_target_binary_sensor_);
@@ -185,9 +186,9 @@ void LD2450Component::dump_config() {
   LOG_NUMBER("  ", "PresenceTimeoutNumber", this->presence_timeout_number_);
 #endif
   ESP_LOGCONFIG(TAG,
-                "  Throttle : %ums\n"
-                "  MAC Address : %s\n"
-                "  Firmware version : %s",
+                "  Throttle: %ums\n"
+                "  MAC Address: %s\n"
+                "  Firmware version: %s",
                 this->throttle_, const_cast<char *>(this->mac_.c_str()), const_cast<char *>(this->version_.c_str()));
 }
 
@@ -262,8 +263,7 @@ bool LD2450Component::get_timeout_status_(uint32_t check_millis) {
   if (this->timeout_ == 0) {
     this->timeout_ = ld2450::convert_seconds_to_ms(DEFAULT_PRESENCE_TIMEOUT);
   }
-  auto current_millis = millis();
-  return current_millis - check_millis >= this->timeout_;
+  return App.get_loop_component_start_time() - check_millis >= this->timeout_;
 }
 
 // Extract, store and publish zone details LD2450 buffer
@@ -350,25 +350,24 @@ void LD2450Component::send_command_(uint8_t command, const uint8_t *command_valu
 //   Header       Target 1                  Target 2                  Target 3                  End
 void LD2450Component::handle_periodic_data_(uint8_t *buffer, uint8_t len) {
   if (len < 29) {  // header (4 bytes) + 8 x 3 target data + footer (2 bytes)
-    ESP_LOGE(TAG, "Periodic data: invalid message length");
+    ESP_LOGE(TAG, "Invalid message length");
     return;
   }
   if (buffer[0] != 0xAA || buffer[1] != 0xFF || buffer[2] != 0x03 || buffer[3] != 0x00) {  // header
-    ESP_LOGE(TAG, "Periodic data: invalid message header");
+    ESP_LOGE(TAG, "Invalid message header");
     return;
   }
   if (buffer[len - 2] != 0x55 || buffer[len - 1] != 0xCC) {  // footer
-    ESP_LOGE(TAG, "Periodic data: invalid message footer");
+    ESP_LOGE(TAG, "Invalid message footer");
     return;
   }
 
-  auto current_millis = millis();
-  if (current_millis - this->last_periodic_millis_ < this->throttle_) {
+  if (App.get_loop_component_start_time() - this->last_periodic_millis_ < this->throttle_) {
     ESP_LOGV(TAG, "Throttling: %d", this->throttle_);
     return;
   }
 
-  this->last_periodic_millis_ = current_millis;
+  this->last_periodic_millis_ = App.get_loop_component_start_time();
 
   int16_t target_count = 0;
   int16_t still_target_count = 0;
@@ -551,13 +550,13 @@ void LD2450Component::handle_periodic_data_(uint8_t *buffer, uint8_t len) {
 #ifdef USE_SENSOR
   // For presence timeout check
   if (target_count > 0) {
-    this->presence_millis_ = millis();
+    this->presence_millis_ = App.get_loop_component_start_time();
   }
   if (moving_target_count > 0) {
-    this->moving_presence_millis_ = millis();
+    this->moving_presence_millis_ = App.get_loop_component_start_time();
   }
   if (still_target_count > 0) {
-    this->still_presence_millis_ = millis();
+    this->still_presence_millis_ = App.get_loop_component_start_time();
   }
 #endif
 }
@@ -565,31 +564,31 @@ void LD2450Component::handle_periodic_data_(uint8_t *buffer, uint8_t len) {
 bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
   ESP_LOGV(TAG, "Handling ack data for command %02X", buffer[COMMAND]);
   if (len < 10) {
-    ESP_LOGE(TAG, "Ack data: invalid length");
+    ESP_LOGE(TAG, "Invalid ack length");
     return true;
   }
   if (buffer[0] != 0xFD || buffer[1] != 0xFC || buffer[2] != 0xFB || buffer[3] != 0xFA) {  // frame header
-    ESP_LOGE(TAG, "Ack data: invalid header (command %02X)", buffer[COMMAND]);
+    ESP_LOGE(TAG, "Invalid ack header (command %02X)", buffer[COMMAND]);
     return true;
   }
   if (buffer[COMMAND_STATUS] != 0x01) {
-    ESP_LOGE(TAG, "Ack data: invalid status");
+    ESP_LOGE(TAG, "Invalid ack status");
     return true;
   }
   if (buffer[8] || buffer[9]) {
-    ESP_LOGE(TAG, "Ack data: last buffer was %u, %u", buffer[8], buffer[9]);
+    ESP_LOGE(TAG, "Last buffer was %u, %u", buffer[8], buffer[9]);
     return true;
   }
 
   switch (buffer[COMMAND]) {
     case lowbyte(CMD_ENABLE_CONF):
-      ESP_LOGV(TAG, "Got enable conf command");
+      ESP_LOGV(TAG, "Enable conf command");
       break;
     case lowbyte(CMD_DISABLE_CONF):
-      ESP_LOGV(TAG, "Got disable conf command");
+      ESP_LOGV(TAG, "Disable conf command");
       break;
     case lowbyte(CMD_SET_BAUD_RATE):
-      ESP_LOGV(TAG, "Got baud rate change command");
+      ESP_LOGV(TAG, "Baud rate change command");
 #ifdef USE_SELECT
       if (this->baud_rate_select_ != nullptr) {
         ESP_LOGV(TAG, "Change baud rate to %s", this->baud_rate_select_->state.c_str());
@@ -623,10 +622,10 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
 #endif
       break;
     case lowbyte(CMD_BLUETOOTH):
-      ESP_LOGV(TAG, "Got Bluetooth command");
+      ESP_LOGV(TAG, "Bluetooth command");
       break;
     case lowbyte(CMD_SINGLE_TARGET_MODE):
-      ESP_LOGV(TAG, "Got single target conf command");
+      ESP_LOGV(TAG, "Single target conf command");
 #ifdef USE_SWITCH
       if (this->multi_target_switch_ != nullptr) {
         this->multi_target_switch_->publish_state(false);
@@ -634,7 +633,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
 #endif
       break;
     case lowbyte(CMD_MULTI_TARGET_MODE):
-      ESP_LOGV(TAG, "Got multi target conf command");
+      ESP_LOGV(TAG, "Multi target conf command");
 #ifdef USE_SWITCH
       if (this->multi_target_switch_ != nullptr) {
         this->multi_target_switch_->publish_state(true);
@@ -642,7 +641,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
 #endif
       break;
     case lowbyte(CMD_QUERY_TARGET_MODE):
-      ESP_LOGV(TAG, "Got query target tracking mode command");
+      ESP_LOGV(TAG, "Query target tracking mode command");
 #ifdef USE_SWITCH
       if (this->multi_target_switch_ != nullptr) {
         this->multi_target_switch_->publish_state(buffer[10] == 0x02);
@@ -650,7 +649,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
 #endif
       break;
     case lowbyte(CMD_QUERY_ZONE):
-      ESP_LOGV(TAG, "Got query zone conf command");
+      ESP_LOGV(TAG, "Query zone conf command");
       this->zone_type_ = std::stoi(std::to_string(buffer[10]), nullptr, 16);
       this->publish_zone_type();
 #ifdef USE_SELECT
@@ -670,7 +669,7 @@ bool LD2450Component::handle_ack_data_(uint8_t *buffer, uint8_t len) {
       this->process_zone_(buffer);
       break;
     case lowbyte(CMD_SET_ZONE):
-      ESP_LOGV(TAG, "Got set zone conf command");
+      ESP_LOGV(TAG, "Set zone conf command");
       this->query_zone_info();
       break;
     default:

From 47db5e26f3b2ff41c831ae3ad2d2b8f74652c9e9 Mon Sep 17 00:00:00 2001
From: Keith Burzinski <kbx81x@gmail.com>
Date: Wed, 25 Jun 2025 03:16:05 -0500
Subject: [PATCH 06/12] [ld2420] Shorten log messages + other clean-up (#9200)

---
 esphome/components/ld2420/ld2420.cpp | 121 +++++++++++++--------------
 esphome/components/ld2420/ld2420.h   |   4 +-
 2 files changed, 61 insertions(+), 64 deletions(-)

diff --git a/esphome/components/ld2420/ld2420.cpp b/esphome/components/ld2420/ld2420.cpp
index 5b3206bf12..62f1685598 100644
--- a/esphome/components/ld2420/ld2420.cpp
+++ b/esphome/components/ld2420/ld2420.cpp
@@ -1,4 +1,5 @@
 #include "ld2420.h"
+#include "esphome/core/application.h"
 #include "esphome/core/helpers.h"
 
 /*
@@ -40,7 +41,7 @@ There are three documented parameters for modes:
   00 04 = Energy output mode
     This mode outputs detailed signal energy values for each gate and the target distance.
     The data format consist of the following.
-    Header HH, Length LL, Persence PP, Distance DD, 16 Gate Energies EE, Footer FF
+    Header HH, Length LL, Presence PP, Distance DD, 16 Gate Energies EE, Footer FF
     HH HH HH HH LL LL PP DD DD EE EE .. 16x   .. FF FF FF FF
     F4 F3 F2 F1 23 00 00 00 00 00 00 .. .. .. .. F8 F7 F6 F5
   00 00 = debug output mode
@@ -67,10 +68,10 @@ float LD2420Component::get_setup_priority() const { return setup_priority::BUS;
 void LD2420Component::dump_config() {
   ESP_LOGCONFIG(TAG,
                 "LD2420:\n"
-                "  Firmware Version : %7s\n"
-                "LD2420 Number:",
+                "  Firmware version: %7s",
                 this->ld2420_firmware_ver_);
 #ifdef USE_NUMBER
+  ESP_LOGCONFIG(TAG, "Number:");
   LOG_NUMBER(TAG, "  Gate Timeout:", this->gate_timeout_number_);
   LOG_NUMBER(TAG, "  Gate Max Distance:", this->max_gate_distance_number_);
   LOG_NUMBER(TAG, "  Gate Min Distance:", this->min_gate_distance_number_);
@@ -86,10 +87,10 @@ void LD2420Component::dump_config() {
   LOG_BUTTON(TAG, "  Factory Reset:", this->factory_reset_button_);
   LOG_BUTTON(TAG, "  Restart Module:", this->restart_module_button_);
 #endif
-  ESP_LOGCONFIG(TAG, "LD2420 Select:");
+  ESP_LOGCONFIG(TAG, "Select:");
   LOG_SELECT(TAG, "  Operating Mode", this->operating_selector_);
-  if (this->get_firmware_int_(ld2420_firmware_ver_) < CALIBRATE_VERSION_MIN) {
-    ESP_LOGW(TAG, "LD2420 Firmware Version %s and older are only supported in Simple Mode", ld2420_firmware_ver_);
+  if (LD2420Component::get_firmware_int(this->ld2420_firmware_ver_) < CALIBRATE_VERSION_MIN) {
+    ESP_LOGW(TAG, "Firmware version %s and older supports Simple Mode only", this->ld2420_firmware_ver_);
   }
 }
 
@@ -102,7 +103,7 @@ uint8_t LD2420Component::calc_checksum(void *data, size_t size) {
   return checksum;
 }
 
-int LD2420Component::get_firmware_int_(const char *version_string) {
+int LD2420Component::get_firmware_int(const char *version_string) {
   std::string version_str = version_string;
   if (version_str[0] == 'v') {
     version_str = version_str.substr(1);
@@ -115,7 +116,7 @@ int LD2420Component::get_firmware_int_(const char *version_string) {
 void LD2420Component::setup() {
   ESP_LOGCONFIG(TAG, "Running setup");
   if (this->set_config_mode(true) == LD2420_ERROR_TIMEOUT) {
-    ESP_LOGE(TAG, "LD2420 module has failed to respond, check baud rate and serial connections.");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
     this->mark_failed();
     return;
   }
@@ -127,7 +128,7 @@ void LD2420Component::setup() {
   const char *pfw = this->ld2420_firmware_ver_;
   std::string fw_str(pfw);
 
-  for (auto &listener : listeners_) {
+  for (auto &listener : this->listeners_) {
     listener->on_fw_version(fw_str);
   }
 
@@ -137,11 +138,11 @@ void LD2420Component::setup() {
   }
 
   memcpy(&this->new_config, &this->current_config, sizeof(this->current_config));
-  if (get_firmware_int_(ld2420_firmware_ver_) < CALIBRATE_VERSION_MIN) {
+  if (LD2420Component::get_firmware_int(this->ld2420_firmware_ver_) < CALIBRATE_VERSION_MIN) {
     this->set_operating_mode(OP_SIMPLE_MODE_STRING);
     this->operating_selector_->publish_state(OP_SIMPLE_MODE_STRING);
     this->set_mode_(CMD_SYSTEM_MODE_SIMPLE);
-    ESP_LOGW(TAG, "LD2420 Frimware Version %s and older are only supported in Simple Mode", ld2420_firmware_ver_);
+    ESP_LOGW(TAG, "Firmware version %s and older supports Simple Mode only", this->ld2420_firmware_ver_);
   } else {
     this->set_mode_(CMD_SYSTEM_MODE_ENERGY);
     this->operating_selector_->publish_state(OP_NORMAL_MODE_STRING);
@@ -151,18 +152,17 @@ void LD2420Component::setup() {
 #endif
   this->set_system_mode(this->system_mode_);
   this->set_config_mode(false);
-  ESP_LOGCONFIG(TAG, "LD2420 setup complete.");
 }
 
 void LD2420Component::apply_config_action() {
   const uint8_t checksum = calc_checksum(&this->new_config, sizeof(this->new_config));
   if (checksum == calc_checksum(&this->current_config, sizeof(this->current_config))) {
-    ESP_LOGCONFIG(TAG, "No configuration change detected");
+    ESP_LOGD(TAG, "No configuration change detected");
     return;
   }
-  ESP_LOGCONFIG(TAG, "Reconfiguring LD2420");
+  ESP_LOGD(TAG, "Reconfiguring");
   if (this->set_config_mode(true) == LD2420_ERROR_TIMEOUT) {
-    ESP_LOGE(TAG, "LD2420 module has failed to respond, check baud rate and serial connections.");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
     this->mark_failed();
     return;
   }
@@ -178,13 +178,12 @@ void LD2420Component::apply_config_action() {
   this->set_system_mode(this->system_mode_);
   this->set_config_mode(false);  // Disable config mode to save new values in LD2420 nvm
   this->set_operating_mode(OP_NORMAL_MODE_STRING);
-  ESP_LOGCONFIG(TAG, "LD2420 reconfig complete.");
 }
 
 void LD2420Component::factory_reset_action() {
-  ESP_LOGCONFIG(TAG, "Setting factory defaults");
+  ESP_LOGD(TAG, "Setting factory defaults");
   if (this->set_config_mode(true) == LD2420_ERROR_TIMEOUT) {
-    ESP_LOGE(TAG, "LD2420 module has failed to respond, check baud rate and serial connections.");
+    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
     this->mark_failed();
     return;
   }
@@ -207,18 +206,16 @@ void LD2420Component::factory_reset_action() {
   this->init_gate_config_numbers();
   this->refresh_gate_config_numbers();
 #endif
-  ESP_LOGCONFIG(TAG, "LD2420 factory reset complete.");
 }
 
 void LD2420Component::restart_module_action() {
-  ESP_LOGCONFIG(TAG, "Restarting LD2420 module");
+  ESP_LOGD(TAG, "Restarting");
   this->send_module_restart();
   this->set_timeout(250, [this]() {
     this->set_config_mode(true);
-    this->set_system_mode(system_mode_);
+    this->set_system_mode(this->system_mode_);
     this->set_config_mode(false);
   });
-  ESP_LOGCONFIG(TAG, "LD2420 Restarted.");
 }
 
 void LD2420Component::revert_config_action() {
@@ -226,18 +223,18 @@ void LD2420Component::revert_config_action() {
 #ifdef USE_NUMBER
   this->init_gate_config_numbers();
 #endif
-  ESP_LOGCONFIG(TAG, "Reverted config number edits.");
+  ESP_LOGD(TAG, "Reverted config number edits");
 }
 
 void LD2420Component::loop() {
   // If there is a active send command do not process it here, the send command call will handle it.
-  if (!get_cmd_active_()) {
-    if (!available())
+  if (!this->get_cmd_active_()) {
+    if (!this->available())
       return;
     static uint8_t buffer[2048];
     static uint8_t rx_data;
-    while (available()) {
-      rx_data = read();
+    while (this->available()) {
+      rx_data = this->read();
       this->readline_(rx_data, buffer, sizeof(buffer));
     }
   }
@@ -292,7 +289,7 @@ void LD2420Component::report_gate_data() {
 
 void LD2420Component::set_operating_mode(const std::string &state) {
   // If unsupported firmware ignore mode select
-  if (get_firmware_int_(ld2420_firmware_ver_) >= CALIBRATE_VERSION_MIN) {
+  if (LD2420Component::get_firmware_int(ld2420_firmware_ver_) >= CALIBRATE_VERSION_MIN) {
     this->current_operating_mode = OP_MODE_TO_UINT.at(state);
     // Entering Auto Calibrate we need to clear the privoiuos data collection
     this->operating_selector_->publish_state(state);
@@ -365,13 +362,13 @@ void LD2420Component::handle_energy_mode_(uint8_t *buffer, int len) {
   }
 
   // Resonable refresh rate for home assistant database size health
-  const int32_t current_millis = millis();
+  const int32_t current_millis = App.get_loop_component_start_time();
   if (current_millis - this->last_periodic_millis < REFRESH_RATE_MS)
     return;
   this->last_periodic_millis = current_millis;
   for (auto &listener : this->listeners_) {
-    listener->on_distance(get_distance_());
-    listener->on_presence(get_presence_());
+    listener->on_distance(this->get_distance_());
+    listener->on_presence(this->get_presence_());
     listener->on_energy(this->gate_energy_, sizeof(this->gate_energy_) / sizeof(this->gate_energy_[0]));
   }
 
@@ -392,9 +389,9 @@ void LD2420Component::handle_simple_mode_(const uint8_t *inbuf, int len) {
   char outbuf[bufsize]{0};
   while (true) {
     if (inbuf[pos - 2] == 'O' && inbuf[pos - 1] == 'F' && inbuf[pos] == 'F') {
-      set_presence_(false);
+      this->set_presence_(false);
     } else if (inbuf[pos - 1] == 'O' && inbuf[pos] == 'N') {
-      set_presence_(true);
+      this->set_presence_(true);
     }
     if (inbuf[pos] >= '0' && inbuf[pos] <= '9') {
       if (index < bufsize - 1) {
@@ -411,18 +408,18 @@ void LD2420Component::handle_simple_mode_(const uint8_t *inbuf, int len) {
   }
   outbuf[index] = '\0';
   if (index > 1)
-    set_distance_(strtol(outbuf, &endptr, 10));
+    this->set_distance_(strtol(outbuf, &endptr, 10));
 
-  if (get_mode_() == CMD_SYSTEM_MODE_SIMPLE) {
+  if (this->get_mode_() == CMD_SYSTEM_MODE_SIMPLE) {
     // Resonable refresh rate for home assistant database size health
-    const int32_t current_millis = millis();
+    const int32_t current_millis = App.get_loop_component_start_time();
     if (current_millis - this->last_normal_periodic_millis < REFRESH_RATE_MS)
       return;
     this->last_normal_periodic_millis = current_millis;
     for (auto &listener : this->listeners_)
-      listener->on_distance(get_distance_());
+      listener->on_distance(this->get_distance_());
     for (auto &listener : this->listeners_)
-      listener->on_presence(get_presence_());
+      listener->on_presence(this->get_presence_());
   }
 }
 
@@ -433,10 +430,10 @@ void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
   uint8_t data_element = 0;
   uint16_t data_pos = 0;
   if (this->cmd_reply_.length > CMD_MAX_BYTES) {
-    ESP_LOGW(TAG, "LD2420 reply - received command reply frame is corrupt, length exceeds %d bytes.", CMD_MAX_BYTES);
+    ESP_LOGW(TAG, "Reply frame too long");
     return;
   } else if (this->cmd_reply_.length < 2) {
-    ESP_LOGW(TAG, "LD2420 reply - received command frame is corrupt, length is less than 2 bytes.");
+    ESP_LOGW(TAG, "Command frame too short");
     return;
   }
   memcpy(&this->cmd_reply_.error, &buffer[CMD_ERROR_WORD], sizeof(this->cmd_reply_.error));
@@ -447,13 +444,13 @@ void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
   this->cmd_reply_.ack = true;
   switch ((uint16_t) this->cmd_reply_.command) {
     case (CMD_ENABLE_CONF):
-      ESP_LOGD(TAG, "LD2420 reply - set config enable: CMD = %2X %s", CMD_ENABLE_CONF, result);
+      ESP_LOGV(TAG, "Set config enable: CMD = %2X %s", CMD_ENABLE_CONF, result);
       break;
     case (CMD_DISABLE_CONF):
-      ESP_LOGD(TAG, "LD2420 reply - set config disable: CMD = %2X %s", CMD_DISABLE_CONF, result);
+      ESP_LOGV(TAG, "Set config disable: CMD = %2X %s", CMD_DISABLE_CONF, result);
       break;
     case (CMD_READ_REGISTER):
-      ESP_LOGD(TAG, "LD2420 reply - read register: CMD = %2X %s", CMD_READ_REGISTER, result);
+      ESP_LOGV(TAG, "Read register: CMD = %2X %s", CMD_READ_REGISTER, result);
       // TODO Read/Write register is not implemented yet, this will get flushed out to a proper header file
       data_pos = 0x0A;
       for (uint16_t index = 0; index < (CMD_REG_DATA_REPLY_SIZE *  // NOLINT
@@ -465,13 +462,13 @@ void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
       }
       break;
     case (CMD_WRITE_REGISTER):
-      ESP_LOGD(TAG, "LD2420 reply - write register: CMD = %2X %s", CMD_WRITE_REGISTER, result);
+      ESP_LOGV(TAG, "Write register: CMD = %2X %s", CMD_WRITE_REGISTER, result);
       break;
     case (CMD_WRITE_ABD_PARAM):
-      ESP_LOGD(TAG, "LD2420 reply - write gate parameter(s): %2X %s", CMD_WRITE_ABD_PARAM, result);
+      ESP_LOGV(TAG, "Write gate parameter(s): %2X %s", CMD_WRITE_ABD_PARAM, result);
       break;
     case (CMD_READ_ABD_PARAM):
-      ESP_LOGD(TAG, "LD2420 reply - read gate parameter(s): %2X %s", CMD_READ_ABD_PARAM, result);
+      ESP_LOGV(TAG, "Read gate parameter(s): %2X %s", CMD_READ_ABD_PARAM, result);
       data_pos = CMD_ABD_DATA_REPLY_START;
       for (uint16_t index = 0; index < (CMD_ABD_DATA_REPLY_SIZE *  // NOLINT
                                         ((buffer[CMD_FRAME_DATA_LENGTH] - 4) / CMD_ABD_DATA_REPLY_SIZE));
@@ -483,11 +480,11 @@ void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
       }
       break;
     case (CMD_WRITE_SYS_PARAM):
-      ESP_LOGD(TAG, "LD2420 reply - set system parameter(s): %2X %s", CMD_WRITE_SYS_PARAM, result);
+      ESP_LOGV(TAG, "Set system parameter(s): %2X %s", CMD_WRITE_SYS_PARAM, result);
       break;
     case (CMD_READ_VERSION):
       memcpy(this->ld2420_firmware_ver_, &buffer[12], buffer[10]);
-      ESP_LOGD(TAG, "LD2420 reply - module firmware version: %7s %s", this->ld2420_firmware_ver_, result);
+      ESP_LOGV(TAG, "Firmware version: %7s %s", this->ld2420_firmware_ver_, result);
       break;
     default:
       break;
@@ -533,7 +530,7 @@ int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
     }
 
     while (!this->cmd_reply_.ack) {
-      while (available()) {
+      while (this->available()) {
         this->readline_(read(), ack_buffer, sizeof(ack_buffer));
       }
       delay_microseconds_safe(1450);
@@ -548,7 +545,7 @@ int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
     if (this->cmd_reply_.ack)
       retry = 0;
     if (this->cmd_reply_.error > 0)
-      handle_cmd_error(error);
+      this->handle_cmd_error(error);
   }
   return error;
 }
@@ -563,7 +560,7 @@ uint8_t LD2420Component::set_config_mode(bool enable) {
     cmd_frame.data_length += sizeof(CMD_PROTOCOL_VER);
   }
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending set config %s command: %2X", enable ? "enable" : "disable", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending set config %s command: %2X", enable ? "enable" : "disable", cmd_frame.command);
   return this->send_cmd_from_array(cmd_frame);
 }
 
@@ -576,7 +573,7 @@ void LD2420Component::ld2420_restart() {
   cmd_frame.header = CMD_FRAME_HEADER;
   cmd_frame.command = CMD_RESTART;
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending restart command: %2X", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending restart command: %2X", cmd_frame.command);
   this->send_cmd_from_array(cmd_frame);
 }
 
@@ -588,7 +585,7 @@ void LD2420Component::get_reg_value_(uint16_t reg) {
   cmd_frame.data[1] = reg;
   cmd_frame.data_length += 2;
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending read register %4X command: %2X", reg, cmd_frame.command);
+  ESP_LOGV(TAG, "Sending read register %4X command: %2X", reg, cmd_frame.command);
   this->send_cmd_from_array(cmd_frame);
 }
 
@@ -602,11 +599,11 @@ void LD2420Component::set_reg_value(uint16_t reg, uint16_t value) {
   memcpy(&cmd_frame.data[cmd_frame.data_length], &value, sizeof(CMD_REG_DATA_REPLY_SIZE));
   cmd_frame.data_length += 2;
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending write register %4X command: %2X data = %4X", reg, cmd_frame.command, value);
+  ESP_LOGV(TAG, "Sending write register %4X command: %2X data = %4X", reg, cmd_frame.command, value);
   this->send_cmd_from_array(cmd_frame);
 }
 
-void LD2420Component::handle_cmd_error(uint8_t error) { ESP_LOGI(TAG, "Command failed: %s", ERR_MESSAGE[error]); }
+void LD2420Component::handle_cmd_error(uint8_t error) { ESP_LOGE(TAG, "Command failed: %s", ERR_MESSAGE[error]); }
 
 int LD2420Component::get_gate_threshold_(uint8_t gate) {
   uint8_t error;
@@ -619,7 +616,7 @@ int LD2420Component::get_gate_threshold_(uint8_t gate) {
   memcpy(&cmd_frame.data[cmd_frame.data_length], &CMD_GATE_STILL_THRESH[gate], sizeof(CMD_GATE_STILL_THRESH[gate]));
   cmd_frame.data_length += 2;
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending read gate %d high/low theshold command: %2X", gate, cmd_frame.command);
+  ESP_LOGV(TAG, "Sending read gate %d high/low threshold command: %2X", gate, cmd_frame.command);
   error = this->send_cmd_from_array(cmd_frame);
   if (error == 0) {
     this->current_config.move_thresh[gate] = cmd_reply_.data[0];
@@ -644,7 +641,7 @@ int LD2420Component::get_min_max_distances_timeout_() {
          sizeof(CMD_TIMEOUT_REG));  // Register: global delay time
   cmd_frame.data_length += sizeof(CMD_TIMEOUT_REG);
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending read gate min max and timeout command: %2X", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending read gate min max and timeout command: %2X", cmd_frame.command);
   error = this->send_cmd_from_array(cmd_frame);
   if (error == 0) {
     this->current_config.min_gate = (uint16_t) cmd_reply_.data[0];
@@ -667,9 +664,9 @@ void LD2420Component::set_system_mode(uint16_t mode) {
   memcpy(&cmd_frame.data[cmd_frame.data_length], &unknown_parm, sizeof(unknown_parm));
   cmd_frame.data_length += sizeof(unknown_parm);
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending write system mode command: %2X", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending write system mode command: %2X", cmd_frame.command);
   if (this->send_cmd_from_array(cmd_frame) == 0)
-    set_mode_(mode);
+    this->set_mode_(mode);
 }
 
 void LD2420Component::get_firmware_version_() {
@@ -679,7 +676,7 @@ void LD2420Component::get_firmware_version_() {
   cmd_frame.command = CMD_READ_VERSION;
   cmd_frame.footer = CMD_FRAME_FOOTER;
 
-  ESP_LOGD(TAG, "Sending read firmware version command: %2X", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending read firmware version command: %2X", cmd_frame.command);
   this->send_cmd_from_array(cmd_frame);
 }
 
@@ -712,7 +709,7 @@ void LD2420Component::set_min_max_distances_timeout(uint32_t max_gate_distance,
   cmd_frame.data_length += sizeof(timeout);
   cmd_frame.footer = CMD_FRAME_FOOTER;
 
-  ESP_LOGD(TAG, "Sending write gate min max and timeout command: %2X", cmd_frame.command);
+  ESP_LOGV(TAG, "Sending write gate min max and timeout command: %2X", cmd_frame.command);
   this->send_cmd_from_array(cmd_frame);
 }
 
@@ -738,7 +735,7 @@ void LD2420Component::set_gate_threshold(uint8_t gate) {
          sizeof(this->new_config.still_thresh[gate]));
   cmd_frame.data_length += sizeof(this->new_config.still_thresh[gate]);
   cmd_frame.footer = CMD_FRAME_FOOTER;
-  ESP_LOGD(TAG, "Sending set gate %4X sensitivity command: %2X", gate, cmd_frame.command);
+  ESP_LOGV(TAG, "Sending set gate %4X sensitivity command: %2X", gate, cmd_frame.command);
   this->send_cmd_from_array(cmd_frame);
 }
 
diff --git a/esphome/components/ld2420/ld2420.h b/esphome/components/ld2420/ld2420.h
index 2b50c7a1d4..5e011100e6 100644
--- a/esphome/components/ld2420/ld2420.h
+++ b/esphome/components/ld2420/ld2420.h
@@ -179,7 +179,7 @@ class LD2420Component : public Component, public uart::UARTDevice {
   void set_operating_mode(const std::string &state);
   void auto_calibrate_sensitivity();
   void update_radar_data(uint16_t const *gate_energy, uint8_t sample_number);
-  uint8_t calc_checksum(void *data, size_t size);
+  static uint8_t calc_checksum(void *data, size_t size);
 
   RegConfigT current_config;
   RegConfigT new_config;
@@ -222,7 +222,7 @@ class LD2420Component : public Component, public uart::UARTDevice {
     volatile bool ack;
   };
 
-  int get_firmware_int_(const char *version_string);
+  static int get_firmware_int(const char *version_string);
   void get_firmware_version_();
   int get_gate_threshold_(uint8_t gate);
   void get_reg_value_(uint16_t reg);

From 5531296ee092ae33c20fd318c396711c892fd5fe Mon Sep 17 00:00:00 2001
From: Keith Burzinski <kbx81x@gmail.com>
Date: Wed, 25 Jun 2025 04:48:32 -0500
Subject: [PATCH 07/12] [ld2410] Use ``App.get_loop_component_start_time()``,
 shorten log messages (#9194)

Co-authored-by: J. Nick Koston <nick+github@koston.org>
---
 esphome/components/ld2410/ld2410.cpp | 50 +++++++++++++++-------------
 1 file changed, 26 insertions(+), 24 deletions(-)

diff --git a/esphome/components/ld2410/ld2410.cpp b/esphome/components/ld2410/ld2410.cpp
index 4272159da6..b3c3649ceb 100644
--- a/esphome/components/ld2410/ld2410.cpp
+++ b/esphome/components/ld2410/ld2410.cpp
@@ -8,6 +8,8 @@
 #include "esphome/components/sensor/sensor.h"
 #endif
 
+#include "esphome/core/application.h"
+
 #define highbyte(val) (uint8_t)((val) >> 8)
 #define lowbyte(val) (uint8_t)((val) &0xff)
 
@@ -73,9 +75,9 @@ void LD2410Component::dump_config() {
 #endif
   this->read_all_info();
   ESP_LOGCONFIG(TAG,
-                "  Throttle_ : %ums\n"
-                "  MAC Address : %s\n"
-                "  Firmware Version : %s",
+                "  Throttle: %ums\n"
+                "  MAC address: %s\n"
+                "  Firmware version: %s",
                 this->throttle_, const_cast<char *>(this->mac_.c_str()), const_cast<char *>(this->version_.c_str()));
 }
 
@@ -153,7 +155,7 @@ void LD2410Component::handle_periodic_data_(uint8_t *buffer, int len) {
   /*
     Reduce data update rate to prevent home assistant database size grow fast
   */
-  int32_t current_millis = millis();
+  int32_t current_millis = App.get_loop_component_start_time();
   if (current_millis - last_periodic_millis_ < this->throttle_)
     return;
   last_periodic_millis_ = current_millis;
@@ -313,40 +315,40 @@ std::function<void(void)> set_number_value(number::Number *n, float value) {
 bool LD2410Component::handle_ack_data_(uint8_t *buffer, int len) {
   ESP_LOGV(TAG, "Handling ACK DATA for COMMAND %02X", buffer[COMMAND]);
   if (len < 10) {
-    ESP_LOGE(TAG, "Error with last command : incorrect length");
+    ESP_LOGE(TAG, "Invalid length");
     return true;
   }
   if (buffer[0] != 0xFD || buffer[1] != 0xFC || buffer[2] != 0xFB || buffer[3] != 0xFA) {  // check 4 frame start bytes
-    ESP_LOGE(TAG, "Error with last command : incorrect Header");
+    ESP_LOGE(TAG, "Invalid header");
     return true;
   }
   if (buffer[COMMAND_STATUS] != 0x01) {
-    ESP_LOGE(TAG, "Error with last command : status != 0x01");
+    ESP_LOGE(TAG, "Invalid status");
     return true;
   }
   if (this->two_byte_to_int_(buffer[8], buffer[9]) != 0x00) {
-    ESP_LOGE(TAG, "Error with last command , last buffer was: %u , %u", buffer[8], buffer[9]);
+    ESP_LOGE(TAG, "Invalid command: %u, %u", buffer[8], buffer[9]);
     return true;
   }
 
   switch (buffer[COMMAND]) {
     case lowbyte(CMD_ENABLE_CONF):
-      ESP_LOGV(TAG, "Handled Enable conf command");
+      ESP_LOGV(TAG, "Enable conf");
       break;
     case lowbyte(CMD_DISABLE_CONF):
-      ESP_LOGV(TAG, "Handled Disabled conf command");
+      ESP_LOGV(TAG, "Disabled conf");
       break;
     case lowbyte(CMD_SET_BAUD_RATE):
-      ESP_LOGV(TAG, "Handled baud rate change command");
+      ESP_LOGV(TAG, "Baud rate change");
 #ifdef USE_SELECT
       if (this->baud_rate_select_ != nullptr) {
-        ESP_LOGE(TAG, "Change baud rate component config to %s and reinstall", this->baud_rate_select_->state.c_str());
+        ESP_LOGE(TAG, "Configure baud rate to %s and reinstall", this->baud_rate_select_->state.c_str());
       }
 #endif
       break;
     case lowbyte(CMD_VERSION):
       this->version_ = format_version(buffer);
-      ESP_LOGV(TAG, "FW Version is: %s", const_cast<char *>(this->version_.c_str()));
+      ESP_LOGV(TAG, "Firmware version: %s", const_cast<char *>(this->version_.c_str()));
 #ifdef USE_TEXT_SENSOR
       if (this->version_text_sensor_ != nullptr) {
         this->version_text_sensor_->publish_state(this->version_);
@@ -356,7 +358,7 @@ bool LD2410Component::handle_ack_data_(uint8_t *buffer, int len) {
     case lowbyte(CMD_QUERY_DISTANCE_RESOLUTION): {
       std::string distance_resolution =
           DISTANCE_RESOLUTION_INT_TO_ENUM.at(this->two_byte_to_int_(buffer[10], buffer[11]));
-      ESP_LOGV(TAG, "Distance resolution is: %s", const_cast<char *>(distance_resolution.c_str()));
+      ESP_LOGV(TAG, "Distance resolution: %s", const_cast<char *>(distance_resolution.c_str()));
 #ifdef USE_SELECT
       if (this->distance_resolution_select_ != nullptr &&
           this->distance_resolution_select_->state != distance_resolution) {
@@ -368,9 +370,9 @@ bool LD2410Component::handle_ack_data_(uint8_t *buffer, int len) {
       this->light_function_ = LIGHT_FUNCTION_INT_TO_ENUM.at(buffer[10]);
       this->light_threshold_ = buffer[11] * 1.0;
       this->out_pin_level_ = OUT_PIN_LEVEL_INT_TO_ENUM.at(buffer[12]);
-      ESP_LOGV(TAG, "Light function is: %s", const_cast<char *>(this->light_function_.c_str()));
-      ESP_LOGV(TAG, "Light threshold is: %f", this->light_threshold_);
-      ESP_LOGV(TAG, "Out pin level is: %s", const_cast<char *>(this->out_pin_level_.c_str()));
+      ESP_LOGV(TAG, "Light function: %s", const_cast<char *>(this->light_function_.c_str()));
+      ESP_LOGV(TAG, "Light threshold: %f", this->light_threshold_);
+      ESP_LOGV(TAG, "Out pin level: %s", const_cast<char *>(this->out_pin_level_.c_str()));
 #ifdef USE_SELECT
       if (this->light_function_select_ != nullptr && this->light_function_select_->state != this->light_function_) {
         this->light_function_select_->publish_state(this->light_function_);
@@ -405,19 +407,19 @@ bool LD2410Component::handle_ack_data_(uint8_t *buffer, int len) {
 #endif
       break;
     case lowbyte(CMD_GATE_SENS):
-      ESP_LOGV(TAG, "Handled sensitivity command");
+      ESP_LOGV(TAG, "Sensitivity");
       break;
     case lowbyte(CMD_BLUETOOTH):
-      ESP_LOGV(TAG, "Handled bluetooth command");
+      ESP_LOGV(TAG, "Bluetooth");
       break;
     case lowbyte(CMD_SET_DISTANCE_RESOLUTION):
-      ESP_LOGV(TAG, "Handled set distance resolution command");
+      ESP_LOGV(TAG, "Set distance resolution");
       break;
     case lowbyte(CMD_SET_LIGHT_CONTROL):
-      ESP_LOGV(TAG, "Handled set light control command");
+      ESP_LOGV(TAG, "Set light control");
       break;
     case lowbyte(CMD_BT_PASSWORD):
-      ESP_LOGV(TAG, "Handled set bluetooth password command");
+      ESP_LOGV(TAG, "Set bluetooth password");
       break;
     case lowbyte(CMD_QUERY):  // Query parameters response
     {
@@ -517,7 +519,7 @@ void LD2410Component::set_baud_rate(const std::string &state) {
 
 void LD2410Component::set_bluetooth_password(const std::string &password) {
   if (password.length() != 6) {
-    ESP_LOGE(TAG, "set_bluetooth_password(): invalid password length, must be exactly 6 chars '%s'", password.c_str());
+    ESP_LOGE(TAG, "Password must be exactly 6 chars");
     return;
   }
   this->set_config_mode_(true);
@@ -529,7 +531,7 @@ void LD2410Component::set_bluetooth_password(const std::string &password) {
 
 void LD2410Component::set_engineering_mode(bool enable) {
   this->set_config_mode_(true);
-  last_engineering_mode_change_millis_ = millis();
+  last_engineering_mode_change_millis_ = App.get_loop_component_start_time();
   uint8_t cmd = enable ? CMD_ENABLE_ENG : CMD_DISABLE_ENG;
   this->send_command_(cmd, nullptr, 0);
   this->set_config_mode_(false);

From 5362d1a89f19df22611413bb45a5d28cfe2e6abc Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Wed, 25 Jun 2025 05:49:31 -0400
Subject: [PATCH 08/12] [esp32_hall] Add dummy component (#9125)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
---
 esphome/components/esp32_hall/__init__.py | 0
 esphome/components/esp32_hall/sensor.py   | 5 +++++
 2 files changed, 5 insertions(+)
 create mode 100644 esphome/components/esp32_hall/__init__.py
 create mode 100644 esphome/components/esp32_hall/sensor.py

diff --git a/esphome/components/esp32_hall/__init__.py b/esphome/components/esp32_hall/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/esphome/components/esp32_hall/sensor.py b/esphome/components/esp32_hall/sensor.py
new file mode 100644
index 0000000000..b644389d3b
--- /dev/null
+++ b/esphome/components/esp32_hall/sensor.py
@@ -0,0 +1,5 @@
+import esphome.config_validation as cv
+
+CONFIG_SCHEMA = cv.invalid(
+    "The esp32_hall component has been removed as of ESPHome 2025.7.0. See https://github.com/esphome/esphome/pull/9117 for details."
+)

From 16860e8a30fee6d4f986718f430f45533df48ccf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Mart=C3=ADn?= <contact@rodrigomartin.dev>
Date: Wed, 25 Jun 2025 10:20:29 +0000
Subject: [PATCH 09/12] fix(MQTT): Call disconnect callback on DNS error
 (#9016)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 esphome/components/mqtt/mqtt_backend.h  | 3 ++-
 esphome/components/mqtt/mqtt_client.cpp | 4 ++++
 esphome/components/mqtt/mqtt_client.h   | 2 ++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/esphome/components/mqtt/mqtt_backend.h b/esphome/components/mqtt/mqtt_backend.h
index 3962c40a42..0c1720ec34 100644
--- a/esphome/components/mqtt/mqtt_backend.h
+++ b/esphome/components/mqtt/mqtt_backend.h
@@ -17,7 +17,8 @@ enum class MQTTClientDisconnectReason : int8_t {
   MQTT_MALFORMED_CREDENTIALS = 4,
   MQTT_NOT_AUTHORIZED = 5,
   ESP8266_NOT_ENOUGH_SPACE = 6,
-  TLS_BAD_FINGERPRINT = 7
+  TLS_BAD_FINGERPRINT = 7,
+  DNS_RESOLVE_ERROR = 8
 };
 
 /// internal struct for MQTT messages.
diff --git a/esphome/components/mqtt/mqtt_client.cpp b/esphome/components/mqtt/mqtt_client.cpp
index 3ba1ac6077..20e0b4a499 100644
--- a/esphome/components/mqtt/mqtt_client.cpp
+++ b/esphome/components/mqtt/mqtt_client.cpp
@@ -229,6 +229,8 @@ void MQTTClientComponent::check_dnslookup_() {
   if (this->dns_resolve_error_) {
     ESP_LOGW(TAG, "Couldn't resolve IP address for '%s'", this->credentials_.address.c_str());
     this->state_ = MQTT_CLIENT_DISCONNECTED;
+    this->disconnect_reason_ = MQTTClientDisconnectReason::DNS_RESOLVE_ERROR;
+    this->on_disconnect_.call(MQTTClientDisconnectReason::DNS_RESOLVE_ERROR);
     return;
   }
 
@@ -698,7 +700,9 @@ void MQTTClientComponent::set_on_connect(mqtt_on_connect_callback_t &&callback)
 }
 
 void MQTTClientComponent::set_on_disconnect(mqtt_on_disconnect_callback_t &&callback) {
+  auto callback_copy = callback;
   this->mqtt_backend_.set_on_disconnect(std::forward<mqtt_on_disconnect_callback_t>(callback));
+  this->on_disconnect_.add(std::move(callback_copy));
 }
 
 #if ASYNC_TCP_SSL_ENABLED
diff --git a/esphome/components/mqtt/mqtt_client.h b/esphome/components/mqtt/mqtt_client.h
index a95b122383..325ca56f4b 100644
--- a/esphome/components/mqtt/mqtt_client.h
+++ b/esphome/components/mqtt/mqtt_client.h
@@ -8,6 +8,7 @@
 #include "esphome/components/network/ip_address.h"
 #include "esphome/core/automation.h"
 #include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 #if defined(USE_ESP32)
 #include "mqtt_backend_esp32.h"
@@ -334,6 +335,7 @@ class MQTTClientComponent : public Component {
   uint32_t connect_begin_;
   uint32_t last_connected_{0};
   optional<MQTTClientDisconnectReason> disconnect_reason_{};
+  CallbackManager<MQTTBackend::on_disconnect_callback_t> on_disconnect_;
 
   bool publish_nan_as_none_{false};
   bool wait_for_connection_{false};

From 7c2813421411e55c188b177df9ca105c383e43be Mon Sep 17 00:00:00 2001
From: Artem Draft <Drafteed@users.noreply.github.com>
Date: Wed, 25 Jun 2025 13:36:24 +0300
Subject: [PATCH 10/12] Rename kVARh/VARh to kvarh/varh (#9191)

---
 esphome/const.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/esphome/const.py b/esphome/const.py
index e61af6c5b5..5e551efc2c 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1096,7 +1096,7 @@ UNIT_KILOMETER_PER_HOUR = "km/h"
 UNIT_KILOVOLT_AMPS = "kVA"
 UNIT_KILOVOLT_AMPS_HOURS = "kVAh"
 UNIT_KILOVOLT_AMPS_REACTIVE = "kVAR"
-UNIT_KILOVOLT_AMPS_REACTIVE_HOURS = "kVARh"
+UNIT_KILOVOLT_AMPS_REACTIVE_HOURS = "kvarh"
 UNIT_KILOWATT = "kW"
 UNIT_KILOWATT_HOURS = "kWh"
 UNIT_LITRE = "L"
@@ -1132,7 +1132,7 @@ UNIT_VOLT = "V"
 UNIT_VOLT_AMPS = "VA"
 UNIT_VOLT_AMPS_HOURS = "VAh"
 UNIT_VOLT_AMPS_REACTIVE = "var"
-UNIT_VOLT_AMPS_REACTIVE_HOURS = "VARh"
+UNIT_VOLT_AMPS_REACTIVE_HOURS = "varh"
 UNIT_WATT = "W"
 UNIT_WATT_HOURS = "Wh"
 

From b18ff48b4ad8bd594fc8410c0f8e5b2cc2a2583c Mon Sep 17 00:00:00 2001
From: DanielV <daniel.vikstrom@astek.net>
Date: Wed, 25 Jun 2025 14:03:41 +0200
Subject: [PATCH 11/12] [API] Sub devices and areas (#8544)

Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick+github@koston.org>
---
 .../alarm_control_panel/__init__.py           |   7 +-
 esphome/components/api/api.proto              |  41 ++
 esphome/components/api/api_connection.cpp     |  17 +
 esphome/components/api/api_connection.h       |   3 +
 esphome/components/api/api_pb2.cpp            | 388 ++++++++++++
 esphome/components/api/api_pb2.h              |  81 ++-
 esphome/components/binary_sensor/__init__.py  |   7 +-
 esphome/components/button/__init__.py         |   7 +-
 esphome/components/climate/__init__.py        |   7 +-
 esphome/components/cover/__init__.py          |   7 +-
 esphome/components/datetime/__init__.py       |   6 +-
 esphome/components/demo/__init__.py           |   4 +-
 esphome/components/esp32_camera/__init__.py   |   4 +-
 esphome/components/event/__init__.py          |   7 +-
 esphome/components/fan/__init__.py            |   7 +-
 esphome/components/light/__init__.py          |   6 +-
 esphome/components/lock/__init__.py           |   7 +-
 esphome/components/media_player/__init__.py   |   7 +-
 esphome/components/number/__init__.py         |   7 +-
 esphome/components/select/__init__.py         |   7 +-
 esphome/components/sensor/__init__.py         |   6 +-
 esphome/components/switch/__init__.py         |   7 +-
 esphome/components/text/__init__.py           |   7 +-
 esphome/components/text_sensor/__init__.py    |   7 +-
 esphome/components/update/__init__.py         |   7 +-
 esphome/components/valve/__init__.py          |   7 +-
 esphome/config_validation.py                  |  13 +-
 esphome/const.py                              |   3 +
 esphome/core/__init__.py                      |   4 +
 esphome/core/application.h                    |  46 +-
 esphome/core/area.h                           |  19 +
 esphome/core/config.py                        | 146 ++++-
 esphome/core/defines.h                        |   2 +
 esphome/core/device.h                         |  20 +
 esphome/core/entity_base.cpp                  |  23 +-
 esphome/core/entity_base.h                    |  18 +
 esphome/core/entity_helpers.py                | 158 ++++-
 esphome/cpp_helpers.py                        |  22 -
 esphome/dashboard/util/text.py                |  26 +-
 esphome/helpers.py                            |  47 ++
 tests/components/ade7880/common.yaml          |  38 +-
 .../alarm_control_panel/common.yaml           |   2 +-
 .../components/binary_sensor_map/common.yaml  |   6 +-
 tests/components/dallas_temp/common.yaml      |   4 +-
 tests/components/esphome/common.yaml          |  20 +-
 tests/components/heatpumpir/common.yaml       |   6 +-
 tests/components/light/common.yaml            |   2 +-
 tests/components/ltr390/common.yaml           |  16 +-
 tests/components/lvgl/common.yaml             |  14 +-
 tests/components/opentherm/common.yaml        |   2 +-
 tests/components/packages/test.esp32-ard.yaml |   2 +-
 tests/components/packages/test.esp32-idf.yaml |   2 +-
 .../remote_transmitter/common-buttons.yaml    |   2 +-
 tests/dummy_main.cpp                          |   2 +-
 tests/integration/conftest.py                 |   1 +
 .../fixtures/areas_and_devices.yaml           |  57 ++
 ...plicate_entities_on_different_devices.yaml | 154 +++++
 tests/integration/fixtures/legacy_area.yaml   |  15 +
 tests/integration/test_areas_and_devices.py   | 121 ++++
 tests/integration/test_duplicate_entities.py  | 184 ++++++
 tests/integration/test_legacy_area.py         |  41 ++
 tests/unit_tests/conftest.py                  |   9 +
 tests/unit_tests/core/__init__.py             |   0
 tests/unit_tests/core/common.py               |  33 +
 tests/unit_tests/core/conftest.py             |  18 +
 tests/unit_tests/core/test_config.py          | 225 +++++++
 tests/unit_tests/core/test_entity_helpers.py  | 595 ++++++++++++++++++
 .../core/config/area_id_collision.yaml        |  10 +
 .../core/config/area_id_hash_collision.yaml   |  10 +
 .../core/config/device_duplicate_id.yaml      |  10 +
 .../core/config/device_id_collision.yaml      |  10 +
 .../core/config/device_invalid_area.yaml      |  12 +
 .../core/config/device_without_area.yaml      |   7 +
 .../core/config/legacy_string_area.yaml       |   5 +
 .../core/config/multiple_areas_devices.yaml   |  22 +
 .../core/config/valid_area_device.yaml        |  11 +
 .../core/entity_helpers/duplicate_entity.yaml |  13 +
 .../duplicate_entity_with_devices.yaml        |  26 +
 .../entity_different_platforms.yaml           |  20 +
 79 files changed, 2756 insertions(+), 186 deletions(-)
 create mode 100644 esphome/core/area.h
 create mode 100644 esphome/core/device.h
 create mode 100644 tests/integration/fixtures/areas_and_devices.yaml
 create mode 100644 tests/integration/fixtures/duplicate_entities_on_different_devices.yaml
 create mode 100644 tests/integration/fixtures/legacy_area.yaml
 create mode 100644 tests/integration/test_areas_and_devices.py
 create mode 100644 tests/integration/test_duplicate_entities.py
 create mode 100644 tests/integration/test_legacy_area.py
 create mode 100644 tests/unit_tests/core/__init__.py
 create mode 100644 tests/unit_tests/core/common.py
 create mode 100644 tests/unit_tests/core/conftest.py
 create mode 100644 tests/unit_tests/core/test_config.py
 create mode 100644 tests/unit_tests/core/test_entity_helpers.py
 create mode 100644 tests/unit_tests/fixtures/core/config/area_id_collision.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/area_id_hash_collision.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/device_duplicate_id.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/device_id_collision.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/device_invalid_area.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/device_without_area.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
 create mode 100644 tests/unit_tests/fixtures/core/config/valid_area_device.yaml
 create mode 100644 tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity.yaml
 create mode 100644 tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity_with_devices.yaml
 create mode 100644 tests/unit_tests/fixtures/core/entity_helpers/entity_different_platforms.yaml

diff --git a/esphome/components/alarm_control_panel/__init__.py b/esphome/components/alarm_control_panel/__init__.py
index e88050132a..6d37d53a4c 100644
--- a/esphome/components/alarm_control_panel/__init__.py
+++ b/esphome/components/alarm_control_panel/__init__.py
@@ -14,8 +14,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@grahambrown11", "@hwstar"]
 IS_PLATFORM_COMPONENT = True
@@ -149,6 +149,9 @@ _ALARM_CONTROL_PANEL_SCHEMA = (
 )
 
 
+_ALARM_CONTROL_PANEL_SCHEMA.add_extra(entity_duplicate_validator("alarm_control_panel"))
+
+
 def alarm_control_panel_schema(
     class_: MockObjClass,
     *,
@@ -190,7 +193,7 @@ ALARM_CONTROL_PANEL_CONDITION_SCHEMA = maybe_simple_id(
 
 
 async def setup_alarm_control_panel_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "alarm_control_panel")
     for conf in config.get(CONF_ON_STATE, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
         await automation.build_automation(trigger, [], conf)
diff --git a/esphome/components/api/api.proto b/esphome/components/api/api.proto
index b23652a982..58a0b52555 100644
--- a/esphome/components/api/api.proto
+++ b/esphome/components/api/api.proto
@@ -188,6 +188,17 @@ message DeviceInfoRequest {
   // Empty
 }
 
+message AreaInfo {
+  uint32 area_id = 1;
+  string name = 2;
+}
+
+message DeviceInfo {
+  uint32 device_id = 1;
+  string name = 2;
+  uint32 area_id = 3;
+}
+
 message DeviceInfoResponse {
   option (id) = 10;
   option (source) = SOURCE_SERVER;
@@ -236,6 +247,12 @@ message DeviceInfoResponse {
 
   // Supports receiving and saving api encryption key
   bool api_encryption_supported = 19;
+
+  repeated DeviceInfo devices = 20;
+  repeated AreaInfo areas = 21;
+
+  // Top-level area info to phase out suggested_area
+  AreaInfo area = 22;
 }
 
 message ListEntitiesRequest {
@@ -280,6 +297,7 @@ message ListEntitiesBinarySensorResponse {
   bool disabled_by_default = 7;
   string icon = 8;
   EntityCategory entity_category = 9;
+  uint32 device_id = 10;
 }
 message BinarySensorStateResponse {
   option (id) = 21;
@@ -315,6 +333,7 @@ message ListEntitiesCoverResponse {
   string icon = 10;
   EntityCategory entity_category = 11;
   bool supports_stop = 12;
+  uint32 device_id = 13;
 }
 
 enum LegacyCoverState {
@@ -388,6 +407,7 @@ message ListEntitiesFanResponse {
   string icon = 10;
   EntityCategory entity_category = 11;
   repeated string supported_preset_modes = 12;
+  uint32 device_id = 13;
 }
 enum FanSpeed {
   FAN_SPEED_LOW = 0;
@@ -471,6 +491,7 @@ message ListEntitiesLightResponse {
   bool disabled_by_default = 13;
   string icon = 14;
   EntityCategory entity_category = 15;
+  uint32 device_id = 16;
 }
 message LightStateResponse {
   option (id) = 24;
@@ -563,6 +584,7 @@ message ListEntitiesSensorResponse {
   SensorLastResetType legacy_last_reset_type = 11;
   bool disabled_by_default = 12;
   EntityCategory entity_category = 13;
+  uint32 device_id = 14;
 }
 message SensorStateResponse {
   option (id) = 25;
@@ -595,6 +617,7 @@ message ListEntitiesSwitchResponse {
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
   string device_class = 9;
+  uint32 device_id = 10;
 }
 message SwitchStateResponse {
   option (id) = 26;
@@ -632,6 +655,7 @@ message ListEntitiesTextSensorResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 message TextSensorStateResponse {
   option (id) = 27;
@@ -814,6 +838,7 @@ message ListEntitiesCameraResponse {
   bool disabled_by_default = 5;
   string icon = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 
 message CameraImageResponse {
@@ -916,6 +941,7 @@ message ListEntitiesClimateResponse {
   bool supports_target_humidity = 23;
   float visual_min_humidity = 24;
   float visual_max_humidity = 25;
+  uint32 device_id = 26;
 }
 message ClimateStateResponse {
   option (id) = 47;
@@ -999,6 +1025,7 @@ message ListEntitiesNumberResponse {
   string unit_of_measurement = 11;
   NumberMode mode = 12;
   string device_class = 13;
+  uint32 device_id = 14;
 }
 message NumberStateResponse {
   option (id) = 50;
@@ -1039,6 +1066,7 @@ message ListEntitiesSelectResponse {
   repeated string options = 6;
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
+  uint32 device_id = 9;
 }
 message SelectStateResponse {
   option (id) = 53;
@@ -1081,6 +1109,7 @@ message ListEntitiesSirenResponse {
   bool supports_duration = 8;
   bool supports_volume = 9;
   EntityCategory entity_category = 10;
+  uint32 device_id = 11;
 }
 message SirenStateResponse {
   option (id) = 56;
@@ -1144,6 +1173,7 @@ message ListEntitiesLockResponse {
 
   // Not yet implemented:
   string code_format = 11;
+  uint32 device_id = 12;
 }
 message LockStateResponse {
   option (id) = 59;
@@ -1183,6 +1213,7 @@ message ListEntitiesButtonResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 message ButtonCommandRequest {
   option (id) = 62;
@@ -1238,6 +1269,8 @@ message ListEntitiesMediaPlayerResponse {
   bool supports_pause = 8;
 
   repeated MediaPlayerSupportedFormat supported_formats = 9;
+
+  uint32 device_id = 10;
 }
 message MediaPlayerStateResponse {
   option (id) = 64;
@@ -1778,6 +1811,7 @@ message ListEntitiesAlarmControlPanelResponse {
   uint32 supported_features = 8;
   bool requires_code = 9;
   bool requires_code_to_arm = 10;
+  uint32 device_id = 11;
 }
 
 message AlarmControlPanelStateResponse {
@@ -1823,6 +1857,7 @@ message ListEntitiesTextResponse {
   uint32 max_length = 9;
   string pattern = 10;
   TextMode mode = 11;
+  uint32 device_id = 12;
 }
 message TextStateResponse {
   option (id) = 98;
@@ -1863,6 +1898,7 @@ message ListEntitiesDateResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message DateStateResponse {
   option (id) = 101;
@@ -1906,6 +1942,7 @@ message ListEntitiesTimeResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message TimeStateResponse {
   option (id) = 104;
@@ -1952,6 +1989,7 @@ message ListEntitiesEventResponse {
   string device_class = 8;
 
   repeated string event_types = 9;
+  uint32 device_id = 10;
 }
 message EventResponse {
   option (id) = 108;
@@ -1983,6 +2021,7 @@ message ListEntitiesValveResponse {
   bool assumed_state = 9;
   bool supports_position = 10;
   bool supports_stop = 11;
+  uint32 device_id = 12;
 }
 
 enum ValveOperation {
@@ -2029,6 +2068,7 @@ message ListEntitiesDateTimeResponse {
   string icon = 5;
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
+  uint32 device_id = 8;
 }
 message DateTimeStateResponse {
   option (id) = 113;
@@ -2069,6 +2109,7 @@ message ListEntitiesUpdateResponse {
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
+  uint32 device_id = 9;
 }
 message UpdateStateResponse {
   option (id) = 117;
diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index ef791d462c..634174ce0a 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1629,6 +1629,23 @@ DeviceInfoResponse APIConnection::device_info(const DeviceInfoRequest &msg) {
 #endif
 #ifdef USE_API_NOISE
   resp.api_encryption_supported = true;
+#endif
+#ifdef USE_DEVICES
+  for (auto const &device : App.get_devices()) {
+    DeviceInfo device_info;
+    device_info.device_id = device->get_device_id();
+    device_info.name = device->get_name();
+    device_info.area_id = device->get_area_id();
+    resp.devices.push_back(device_info);
+  }
+#endif
+#ifdef USE_AREAS
+  for (auto const &area : App.get_areas()) {
+    AreaInfo area_info;
+    area_info.area_id = area->get_area_id();
+    area_info.name = area->get_name();
+    resp.areas.push_back(area_info);
+  }
 #endif
   return resp;
 }
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index 66b7ce38a7..da12a3e449 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -301,6 +301,9 @@ class APIConnection : public APIServerConnection {
     response.icon = entity->get_icon();
     response.disabled_by_default = entity->is_disabled_by_default();
     response.entity_category = static_cast<enums::EntityCategory>(entity->get_entity_category());
+#ifdef USE_DEVICES
+    response.device_id = entity->get_device_id();
+#endif
   }
 
   // Helper function to fill common entity state fields
diff --git a/esphome/components/api/api_pb2.cpp b/esphome/components/api/api_pb2.cpp
index 517b4d41b4..9793565ee5 100644
--- a/esphome/components/api/api_pb2.cpp
+++ b/esphome/components/api/api_pb2.cpp
@@ -812,6 +812,103 @@ void PingResponse::dump_to(std::string &out) const { out.append("PingResponse {}
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void DeviceInfoRequest::dump_to(std::string &out) const { out.append("DeviceInfoRequest {}"); }
 #endif
+bool AreaInfo::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 1: {
+      this->area_id = value.as_uint32();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool AreaInfo::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 2: {
+      this->name = value.as_string();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void AreaInfo::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_uint32(1, this->area_id);
+  buffer.encode_string(2, this->name);
+}
+void AreaInfo::calculate_size(uint32_t &total_size) const {
+  ProtoSize::add_uint32_field(total_size, 1, this->area_id, false);
+  ProtoSize::add_string_field(total_size, 1, this->name, false);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void AreaInfo::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("AreaInfo {\n");
+  out.append("  area_id: ");
+  sprintf(buffer, "%" PRIu32, this->area_id);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  name: ");
+  out.append("'").append(this->name).append("'");
+  out.append("\n");
+  out.append("}");
+}
+#endif
+bool DeviceInfo::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 1: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
+    case 3: {
+      this->area_id = value.as_uint32();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+bool DeviceInfo::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 2: {
+      this->name = value.as_string();
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+void DeviceInfo::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_uint32(1, this->device_id);
+  buffer.encode_string(2, this->name);
+  buffer.encode_uint32(3, this->area_id);
+}
+void DeviceInfo::calculate_size(uint32_t &total_size) const {
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
+  ProtoSize::add_string_field(total_size, 1, this->name, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->area_id, false);
+}
+#ifdef HAS_PROTO_MESSAGE_DUMP
+void DeviceInfo::dump_to(std::string &out) const {
+  __attribute__((unused)) char buffer[64];
+  out.append("DeviceInfo {\n");
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
+
+  out.append("  name: ");
+  out.append("'").append(this->name).append("'");
+  out.append("\n");
+
+  out.append("  area_id: ");
+  sprintf(buffer, "%" PRIu32, this->area_id);
+  out.append(buffer);
+  out.append("\n");
+  out.append("}");
+}
+#endif
 bool DeviceInfoResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {
     case 1: {
@@ -896,6 +993,18 @@ bool DeviceInfoResponse::decode_length(uint32_t field_id, ProtoLengthDelimited v
       this->bluetooth_mac_address = value.as_string();
       return true;
     }
+    case 20: {
+      this->devices.push_back(value.as_message<DeviceInfo>());
+      return true;
+    }
+    case 21: {
+      this->areas.push_back(value.as_message<AreaInfo>());
+      return true;
+    }
+    case 22: {
+      this->area = value.as_message<AreaInfo>();
+      return true;
+    }
     default:
       return false;
   }
@@ -920,6 +1029,13 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(16, this->suggested_area);
   buffer.encode_string(18, this->bluetooth_mac_address);
   buffer.encode_bool(19, this->api_encryption_supported);
+  for (auto &it : this->devices) {
+    buffer.encode_message<DeviceInfo>(20, it, true);
+  }
+  for (auto &it : this->areas) {
+    buffer.encode_message<AreaInfo>(21, it, true);
+  }
+  buffer.encode_message<AreaInfo>(22, this->area);
 }
 void DeviceInfoResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->uses_password, false);
@@ -941,6 +1057,9 @@ void DeviceInfoResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 2, this->suggested_area, false);
   ProtoSize::add_string_field(total_size, 2, this->bluetooth_mac_address, false);
   ProtoSize::add_bool_field(total_size, 2, this->api_encryption_supported, false);
+  ProtoSize::add_repeated_message(total_size, 2, this->devices);
+  ProtoSize::add_repeated_message(total_size, 2, this->areas);
+  ProtoSize::add_message_object(total_size, 2, this->area, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void DeviceInfoResponse::dump_to(std::string &out) const {
@@ -1026,6 +1145,22 @@ void DeviceInfoResponse::dump_to(std::string &out) const {
   out.append("  api_encryption_supported: ");
   out.append(YESNO(this->api_encryption_supported));
   out.append("\n");
+
+  for (const auto &it : this->devices) {
+    out.append("  devices: ");
+    it.dump_to(out);
+    out.append("\n");
+  }
+
+  for (const auto &it : this->areas) {
+    out.append("  areas: ");
+    it.dump_to(out);
+    out.append("\n");
+  }
+
+  out.append("  area: ");
+  this->area.dump_to(out);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1052,6 +1187,10 @@ bool ListEntitiesBinarySensorResponse::decode_varint(uint32_t field_id, ProtoVar
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 10: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -1102,6 +1241,7 @@ void ListEntitiesBinarySensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_string(8, this->icon);
   buffer.encode_enum<enums::EntityCategory>(9, this->entity_category);
+  buffer.encode_uint32(10, this->device_id);
 }
 void ListEntitiesBinarySensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -1113,6 +1253,7 @@ void ListEntitiesBinarySensorResponse::calculate_size(uint32_t &total_size) cons
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesBinarySensorResponse::dump_to(std::string &out) const {
@@ -1154,6 +1295,11 @@ void ListEntitiesBinarySensorResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1236,6 +1382,10 @@ bool ListEntitiesCoverResponse::decode_varint(uint32_t field_id, ProtoVarInt val
       this->supports_stop = value.as_bool();
       return true;
     }
+    case 13: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -1289,6 +1439,7 @@ void ListEntitiesCoverResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(10, this->icon);
   buffer.encode_enum<enums::EntityCategory>(11, this->entity_category);
   buffer.encode_bool(12, this->supports_stop);
+  buffer.encode_uint32(13, this->device_id);
 }
 void ListEntitiesCoverResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -1303,6 +1454,7 @@ void ListEntitiesCoverResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_bool_field(total_size, 1, this->supports_stop, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesCoverResponse::dump_to(std::string &out) const {
@@ -1356,6 +1508,11 @@ void ListEntitiesCoverResponse::dump_to(std::string &out) const {
   out.append("  supports_stop: ");
   out.append(YESNO(this->supports_stop));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1565,6 +1722,10 @@ bool ListEntitiesFanResponse::decode_varint(uint32_t field_id, ProtoVarInt value
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 13: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -1620,6 +1781,7 @@ void ListEntitiesFanResponse::encode(ProtoWriteBuffer buffer) const {
   for (auto &it : this->supported_preset_modes) {
     buffer.encode_string(12, it, true);
   }
+  buffer.encode_uint32(13, this->device_id);
 }
 void ListEntitiesFanResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -1638,6 +1800,7 @@ void ListEntitiesFanResponse::calculate_size(uint32_t &total_size) const {
       ProtoSize::add_string_field(total_size, 1, it, true);
     }
   }
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesFanResponse::dump_to(std::string &out) const {
@@ -1694,6 +1857,11 @@ void ListEntitiesFanResponse::dump_to(std::string &out) const {
     out.append("'").append(it).append("'");
     out.append("\n");
   }
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1987,6 +2155,10 @@ bool ListEntitiesLightResponse::decode_varint(uint32_t field_id, ProtoVarInt val
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 16: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -2055,6 +2227,7 @@ void ListEntitiesLightResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(13, this->disabled_by_default);
   buffer.encode_string(14, this->icon);
   buffer.encode_enum<enums::EntityCategory>(15, this->entity_category);
+  buffer.encode_uint32(16, this->device_id);
 }
 void ListEntitiesLightResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -2080,6 +2253,7 @@ void ListEntitiesLightResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 2, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesLightResponse::dump_to(std::string &out) const {
@@ -2151,6 +2325,11 @@ void ListEntitiesLightResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2658,6 +2837,10 @@ bool ListEntitiesSensorResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 14: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -2716,6 +2899,7 @@ void ListEntitiesSensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_enum<enums::SensorLastResetType>(11, this->legacy_last_reset_type);
   buffer.encode_bool(12, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(13, this->entity_category);
+  buffer.encode_uint32(14, this->device_id);
 }
 void ListEntitiesSensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -2731,6 +2915,7 @@ void ListEntitiesSensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->legacy_last_reset_type), false);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSensorResponse::dump_to(std::string &out) const {
@@ -2789,6 +2974,11 @@ void ListEntitiesSensorResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2860,6 +3050,10 @@ bool ListEntitiesSwitchResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 10: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -2910,6 +3104,7 @@ void ListEntitiesSwitchResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(8, this->entity_category);
   buffer.encode_string(9, this->device_class);
+  buffer.encode_uint32(10, this->device_id);
 }
 void ListEntitiesSwitchResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -2921,6 +3116,7 @@ void ListEntitiesSwitchResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_string_field(total_size, 1, this->device_class, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSwitchResponse::dump_to(std::string &out) const {
@@ -2962,6 +3158,11 @@ void ListEntitiesSwitchResponse::dump_to(std::string &out) const {
   out.append("  device_class: ");
   out.append("'").append(this->device_class).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3061,6 +3262,10 @@ bool ListEntitiesTextSensorResponse::decode_varint(uint32_t field_id, ProtoVarIn
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 9: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -3110,6 +3315,7 @@ void ListEntitiesTextSensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
   buffer.encode_string(8, this->device_class);
+  buffer.encode_uint32(9, this->device_id);
 }
 void ListEntitiesTextSensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -3120,6 +3326,7 @@ void ListEntitiesTextSensorResponse::calculate_size(uint32_t &total_size) const
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_string_field(total_size, 1, this->device_class, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesTextSensorResponse::dump_to(std::string &out) const {
@@ -3157,6 +3364,11 @@ void ListEntitiesTextSensorResponse::dump_to(std::string &out) const {
   out.append("  device_class: ");
   out.append("'").append(this->device_class).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3922,6 +4134,10 @@ bool ListEntitiesCameraResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 8: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -3966,6 +4182,7 @@ void ListEntitiesCameraResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(5, this->disabled_by_default);
   buffer.encode_string(6, this->icon);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
+  buffer.encode_uint32(8, this->device_id);
 }
 void ListEntitiesCameraResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -3975,6 +4192,7 @@ void ListEntitiesCameraResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesCameraResponse::dump_to(std::string &out) const {
@@ -4008,6 +4226,11 @@ void ListEntitiesCameraResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -4156,6 +4379,10 @@ bool ListEntitiesClimateResponse::decode_varint(uint32_t field_id, ProtoVarInt v
       this->supports_target_humidity = value.as_bool();
       return true;
     }
+    case 26: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -4262,6 +4489,7 @@ void ListEntitiesClimateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(23, this->supports_target_humidity);
   buffer.encode_float(24, this->visual_min_humidity);
   buffer.encode_float(25, this->visual_max_humidity);
+  buffer.encode_uint32(26, this->device_id);
 }
 void ListEntitiesClimateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -4313,6 +4541,7 @@ void ListEntitiesClimateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 2, this->supports_target_humidity, false);
   ProtoSize::add_fixed_field<4>(total_size, 2, this->visual_min_humidity != 0.0f, false);
   ProtoSize::add_fixed_field<4>(total_size, 2, this->visual_max_humidity != 0.0f, false);
+  ProtoSize::add_uint32_field(total_size, 2, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesClimateResponse::dump_to(std::string &out) const {
@@ -4436,6 +4665,11 @@ void ListEntitiesClimateResponse::dump_to(std::string &out) const {
   sprintf(buffer, "%g", this->visual_max_humidity);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -4901,6 +5135,10 @@ bool ListEntitiesNumberResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->mode = value.as_enum<enums::NumberMode>();
       return true;
     }
+    case 14: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -4971,6 +5209,7 @@ void ListEntitiesNumberResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(11, this->unit_of_measurement);
   buffer.encode_enum<enums::NumberMode>(12, this->mode);
   buffer.encode_string(13, this->device_class);
+  buffer.encode_uint32(14, this->device_id);
 }
 void ListEntitiesNumberResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -4986,6 +5225,7 @@ void ListEntitiesNumberResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->unit_of_measurement, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->mode), false);
   ProtoSize::add_string_field(total_size, 1, this->device_class, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesNumberResponse::dump_to(std::string &out) const {
@@ -5046,6 +5286,11 @@ void ListEntitiesNumberResponse::dump_to(std::string &out) const {
   out.append("  device_class: ");
   out.append("'").append(this->device_class).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -5151,6 +5396,10 @@ bool ListEntitiesSelectResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 9: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -5202,6 +5451,7 @@ void ListEntitiesSelectResponse::encode(ProtoWriteBuffer buffer) const {
   }
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(8, this->entity_category);
+  buffer.encode_uint32(9, this->device_id);
 }
 void ListEntitiesSelectResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -5216,6 +5466,7 @@ void ListEntitiesSelectResponse::calculate_size(uint32_t &total_size) const {
   }
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSelectResponse::dump_to(std::string &out) const {
@@ -5255,6 +5506,11 @@ void ListEntitiesSelectResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -5378,6 +5634,10 @@ bool ListEntitiesSirenResponse::decode_varint(uint32_t field_id, ProtoVarInt val
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 11: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -5431,6 +5691,7 @@ void ListEntitiesSirenResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(8, this->supports_duration);
   buffer.encode_bool(9, this->supports_volume);
   buffer.encode_enum<enums::EntityCategory>(10, this->entity_category);
+  buffer.encode_uint32(11, this->device_id);
 }
 void ListEntitiesSirenResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -5447,6 +5708,7 @@ void ListEntitiesSirenResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->supports_duration, false);
   ProtoSize::add_bool_field(total_size, 1, this->supports_volume, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSirenResponse::dump_to(std::string &out) const {
@@ -5494,6 +5756,11 @@ void ListEntitiesSirenResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -5683,6 +5950,10 @@ bool ListEntitiesLockResponse::decode_varint(uint32_t field_id, ProtoVarInt valu
       this->requires_code = value.as_bool();
       return true;
     }
+    case 12: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -5735,6 +6006,7 @@ void ListEntitiesLockResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(9, this->supports_open);
   buffer.encode_bool(10, this->requires_code);
   buffer.encode_string(11, this->code_format);
+  buffer.encode_uint32(12, this->device_id);
 }
 void ListEntitiesLockResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -5748,6 +6020,7 @@ void ListEntitiesLockResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->supports_open, false);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code, false);
   ProtoSize::add_string_field(total_size, 1, this->code_format, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesLockResponse::dump_to(std::string &out) const {
@@ -5797,6 +6070,11 @@ void ListEntitiesLockResponse::dump_to(std::string &out) const {
   out.append("  code_format: ");
   out.append("'").append(this->code_format).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -5922,6 +6200,10 @@ bool ListEntitiesButtonResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 9: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -5971,6 +6253,7 @@ void ListEntitiesButtonResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
   buffer.encode_string(8, this->device_class);
+  buffer.encode_uint32(9, this->device_id);
 }
 void ListEntitiesButtonResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -5981,6 +6264,7 @@ void ListEntitiesButtonResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_string_field(total_size, 1, this->device_class, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesButtonResponse::dump_to(std::string &out) const {
@@ -6018,6 +6302,11 @@ void ListEntitiesButtonResponse::dump_to(std::string &out) const {
   out.append("  device_class: ");
   out.append("'").append(this->device_class).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -6135,6 +6424,10 @@ bool ListEntitiesMediaPlayerResponse::decode_varint(uint32_t field_id, ProtoVarI
       this->supports_pause = value.as_bool();
       return true;
     }
+    case 10: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -6187,6 +6480,7 @@ void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
   for (auto &it : this->supported_formats) {
     buffer.encode_message<MediaPlayerSupportedFormat>(9, it, true);
   }
+  buffer.encode_uint32(10, this->device_id);
 }
 void ListEntitiesMediaPlayerResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -6198,6 +6492,7 @@ void ListEntitiesMediaPlayerResponse::calculate_size(uint32_t &total_size) const
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_bool_field(total_size, 1, this->supports_pause, false);
   ProtoSize::add_repeated_message(total_size, 1, this->supported_formats);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
@@ -6241,6 +6536,11 @@ void ListEntitiesMediaPlayerResponse::dump_to(std::string &out) const {
     it.dump_to(out);
     out.append("\n");
   }
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -8551,6 +8851,10 @@ bool ListEntitiesAlarmControlPanelResponse::decode_varint(uint32_t field_id, Pro
       this->requires_code_to_arm = value.as_bool();
       return true;
     }
+    case 11: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -8598,6 +8902,7 @@ void ListEntitiesAlarmControlPanelResponse::encode(ProtoWriteBuffer buffer) cons
   buffer.encode_uint32(8, this->supported_features);
   buffer.encode_bool(9, this->requires_code);
   buffer.encode_bool(10, this->requires_code_to_arm);
+  buffer.encode_uint32(11, this->device_id);
 }
 void ListEntitiesAlarmControlPanelResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -8610,6 +8915,7 @@ void ListEntitiesAlarmControlPanelResponse::calculate_size(uint32_t &total_size)
   ProtoSize::add_uint32_field(total_size, 1, this->supported_features, false);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code, false);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code_to_arm, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesAlarmControlPanelResponse::dump_to(std::string &out) const {
@@ -8656,6 +8962,11 @@ void ListEntitiesAlarmControlPanelResponse::dump_to(std::string &out) const {
   out.append("  requires_code_to_arm: ");
   out.append(YESNO(this->requires_code_to_arm));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -8783,6 +9094,10 @@ bool ListEntitiesTextResponse::decode_varint(uint32_t field_id, ProtoVarInt valu
       this->mode = value.as_enum<enums::TextMode>();
       return true;
     }
+    case 12: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -8835,6 +9150,7 @@ void ListEntitiesTextResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(9, this->max_length);
   buffer.encode_string(10, this->pattern);
   buffer.encode_enum<enums::TextMode>(11, this->mode);
+  buffer.encode_uint32(12, this->device_id);
 }
 void ListEntitiesTextResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -8848,6 +9164,7 @@ void ListEntitiesTextResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_uint32_field(total_size, 1, this->max_length, false);
   ProtoSize::add_string_field(total_size, 1, this->pattern, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->mode), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesTextResponse::dump_to(std::string &out) const {
@@ -8899,6 +9216,11 @@ void ListEntitiesTextResponse::dump_to(std::string &out) const {
   out.append("  mode: ");
   out.append(proto_enum_to_string<enums::TextMode>(this->mode));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -9014,6 +9336,10 @@ bool ListEntitiesDateResponse::decode_varint(uint32_t field_id, ProtoVarInt valu
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 8: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -9058,6 +9384,7 @@ void ListEntitiesDateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(5, this->icon);
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
+  buffer.encode_uint32(8, this->device_id);
 }
 void ListEntitiesDateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -9067,6 +9394,7 @@ void ListEntitiesDateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesDateResponse::dump_to(std::string &out) const {
@@ -9100,6 +9428,11 @@ void ListEntitiesDateResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -9255,6 +9588,10 @@ bool ListEntitiesTimeResponse::decode_varint(uint32_t field_id, ProtoVarInt valu
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 8: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -9299,6 +9636,7 @@ void ListEntitiesTimeResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(5, this->icon);
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
+  buffer.encode_uint32(8, this->device_id);
 }
 void ListEntitiesTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -9308,6 +9646,7 @@ void ListEntitiesTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesTimeResponse::dump_to(std::string &out) const {
@@ -9341,6 +9680,11 @@ void ListEntitiesTimeResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -9496,6 +9840,10 @@ bool ListEntitiesEventResponse::decode_varint(uint32_t field_id, ProtoVarInt val
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 10: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -9552,6 +9900,7 @@ void ListEntitiesEventResponse::encode(ProtoWriteBuffer buffer) const {
   for (auto &it : this->event_types) {
     buffer.encode_string(9, it, true);
   }
+  buffer.encode_uint32(10, this->device_id);
 }
 void ListEntitiesEventResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -9567,6 +9916,7 @@ void ListEntitiesEventResponse::calculate_size(uint32_t &total_size) const {
       ProtoSize::add_string_field(total_size, 1, it, true);
     }
   }
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesEventResponse::dump_to(std::string &out) const {
@@ -9610,6 +9960,11 @@ void ListEntitiesEventResponse::dump_to(std::string &out) const {
     out.append("'").append(it).append("'");
     out.append("\n");
   }
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -9678,6 +10033,10 @@ bool ListEntitiesValveResponse::decode_varint(uint32_t field_id, ProtoVarInt val
       this->supports_stop = value.as_bool();
       return true;
     }
+    case 12: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -9730,6 +10089,7 @@ void ListEntitiesValveResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(9, this->assumed_state);
   buffer.encode_bool(10, this->supports_position);
   buffer.encode_bool(11, this->supports_stop);
+  buffer.encode_uint32(12, this->device_id);
 }
 void ListEntitiesValveResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -9743,6 +10103,7 @@ void ListEntitiesValveResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->assumed_state, false);
   ProtoSize::add_bool_field(total_size, 1, this->supports_position, false);
   ProtoSize::add_bool_field(total_size, 1, this->supports_stop, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesValveResponse::dump_to(std::string &out) const {
@@ -9792,6 +10153,11 @@ void ListEntitiesValveResponse::dump_to(std::string &out) const {
   out.append("  supports_stop: ");
   out.append(YESNO(this->supports_stop));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -9923,6 +10289,10 @@ bool ListEntitiesDateTimeResponse::decode_varint(uint32_t field_id, ProtoVarInt
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 8: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -9967,6 +10337,7 @@ void ListEntitiesDateTimeResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(5, this->icon);
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
+  buffer.encode_uint32(8, this->device_id);
 }
 void ListEntitiesDateTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -9976,6 +10347,7 @@ void ListEntitiesDateTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->icon, false);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesDateTimeResponse::dump_to(std::string &out) const {
@@ -10009,6 +10381,11 @@ void ListEntitiesDateTimeResponse::dump_to(std::string &out) const {
   out.append("  entity_category: ");
   out.append(proto_enum_to_string<enums::EntityCategory>(this->entity_category));
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -10114,6 +10491,10 @@ bool ListEntitiesUpdateResponse::decode_varint(uint32_t field_id, ProtoVarInt va
       this->entity_category = value.as_enum<enums::EntityCategory>();
       return true;
     }
+    case 9: {
+      this->device_id = value.as_uint32();
+      return true;
+    }
     default:
       return false;
   }
@@ -10163,6 +10544,7 @@ void ListEntitiesUpdateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_enum<enums::EntityCategory>(7, this->entity_category);
   buffer.encode_string(8, this->device_class);
+  buffer.encode_uint32(9, this->device_id);
 }
 void ListEntitiesUpdateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id, false);
@@ -10173,6 +10555,7 @@ void ListEntitiesUpdateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default, false);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category), false);
   ProtoSize::add_string_field(total_size, 1, this->device_class, false);
+  ProtoSize::add_uint32_field(total_size, 1, this->device_id, false);
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesUpdateResponse::dump_to(std::string &out) const {
@@ -10210,6 +10593,11 @@ void ListEntitiesUpdateResponse::dump_to(std::string &out) const {
   out.append("  device_class: ");
   out.append("'").append(this->device_class).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  sprintf(buffer, "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
diff --git a/esphome/components/api/api_pb2.h b/esphome/components/api/api_pb2.h
index 7d92125290..6a5b51d3a1 100644
--- a/esphome/components/api/api_pb2.h
+++ b/esphome/components/api/api_pb2.h
@@ -264,6 +264,7 @@ class InfoResponseProtoMessage : public ProtoMessage {
   bool disabled_by_default{false};
   std::string icon{};
   enums::EntityCategory entity_category{};
+  uint32_t device_id{0};
 
  protected:
 };
@@ -415,10 +416,39 @@ class DeviceInfoRequest : public ProtoMessage {
 
  protected:
 };
+class AreaInfo : public ProtoMessage {
+ public:
+  uint32_t area_id{0};
+  std::string name{};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(uint32_t &total_size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+class DeviceInfo : public ProtoMessage {
+ public:
+  uint32_t device_id{0};
+  std::string name{};
+  uint32_t area_id{0};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(uint32_t &total_size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
 class DeviceInfoResponse : public ProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 10;
-  static constexpr uint16_t ESTIMATED_SIZE = 129;
+  static constexpr uint16_t ESTIMATED_SIZE = 219;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "device_info_response"; }
 #endif
@@ -441,6 +471,9 @@ class DeviceInfoResponse : public ProtoMessage {
   std::string suggested_area{};
   std::string bluetooth_mac_address{};
   bool api_encryption_supported{false};
+  std::vector<DeviceInfo> devices{};
+  std::vector<AreaInfo> areas{};
+  AreaInfo area{};
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(uint32_t &total_size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -493,7 +526,7 @@ class SubscribeStatesRequest : public ProtoMessage {
 class ListEntitiesBinarySensorResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 12;
-  static constexpr uint16_t ESTIMATED_SIZE = 56;
+  static constexpr uint16_t ESTIMATED_SIZE = 60;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_binary_sensor_response"; }
 #endif
@@ -532,7 +565,7 @@ class BinarySensorStateResponse : public StateResponseProtoMessage {
 class ListEntitiesCoverResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 13;
-  static constexpr uint16_t ESTIMATED_SIZE = 62;
+  static constexpr uint16_t ESTIMATED_SIZE = 66;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_cover_response"; }
 #endif
@@ -601,7 +634,7 @@ class CoverCommandRequest : public ProtoMessage {
 class ListEntitiesFanResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 14;
-  static constexpr uint16_t ESTIMATED_SIZE = 73;
+  static constexpr uint16_t ESTIMATED_SIZE = 77;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_fan_response"; }
 #endif
@@ -679,7 +712,7 @@ class FanCommandRequest : public ProtoMessage {
 class ListEntitiesLightResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 15;
-  static constexpr uint16_t ESTIMATED_SIZE = 85;
+  static constexpr uint16_t ESTIMATED_SIZE = 90;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_light_response"; }
 #endif
@@ -780,7 +813,7 @@ class LightCommandRequest : public ProtoMessage {
 class ListEntitiesSensorResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 16;
-  static constexpr uint16_t ESTIMATED_SIZE = 73;
+  static constexpr uint16_t ESTIMATED_SIZE = 77;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_sensor_response"; }
 #endif
@@ -823,7 +856,7 @@ class SensorStateResponse : public StateResponseProtoMessage {
 class ListEntitiesSwitchResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 17;
-  static constexpr uint16_t ESTIMATED_SIZE = 56;
+  static constexpr uint16_t ESTIMATED_SIZE = 60;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_switch_response"; }
 #endif
@@ -880,7 +913,7 @@ class SwitchCommandRequest : public ProtoMessage {
 class ListEntitiesTextSensorResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 18;
-  static constexpr uint16_t ESTIMATED_SIZE = 54;
+  static constexpr uint16_t ESTIMATED_SIZE = 58;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_text_sensor_response"; }
 #endif
@@ -1196,7 +1229,7 @@ class ExecuteServiceRequest : public ProtoMessage {
 class ListEntitiesCameraResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 43;
-  static constexpr uint16_t ESTIMATED_SIZE = 45;
+  static constexpr uint16_t ESTIMATED_SIZE = 49;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_camera_response"; }
 #endif
@@ -1253,7 +1286,7 @@ class CameraImageRequest : public ProtoMessage {
 class ListEntitiesClimateResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 46;
-  static constexpr uint16_t ESTIMATED_SIZE = 151;
+  static constexpr uint16_t ESTIMATED_SIZE = 156;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_climate_response"; }
 #endif
@@ -1362,7 +1395,7 @@ class ClimateCommandRequest : public ProtoMessage {
 class ListEntitiesNumberResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 49;
-  static constexpr uint16_t ESTIMATED_SIZE = 80;
+  static constexpr uint16_t ESTIMATED_SIZE = 84;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_number_response"; }
 #endif
@@ -1423,7 +1456,7 @@ class NumberCommandRequest : public ProtoMessage {
 class ListEntitiesSelectResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 52;
-  static constexpr uint16_t ESTIMATED_SIZE = 63;
+  static constexpr uint16_t ESTIMATED_SIZE = 67;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_select_response"; }
 #endif
@@ -1481,7 +1514,7 @@ class SelectCommandRequest : public ProtoMessage {
 class ListEntitiesSirenResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 55;
-  static constexpr uint16_t ESTIMATED_SIZE = 67;
+  static constexpr uint16_t ESTIMATED_SIZE = 71;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_siren_response"; }
 #endif
@@ -1547,7 +1580,7 @@ class SirenCommandRequest : public ProtoMessage {
 class ListEntitiesLockResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 58;
-  static constexpr uint16_t ESTIMATED_SIZE = 60;
+  static constexpr uint16_t ESTIMATED_SIZE = 64;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_lock_response"; }
 #endif
@@ -1609,7 +1642,7 @@ class LockCommandRequest : public ProtoMessage {
 class ListEntitiesButtonResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 61;
-  static constexpr uint16_t ESTIMATED_SIZE = 54;
+  static constexpr uint16_t ESTIMATED_SIZE = 58;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_button_response"; }
 #endif
@@ -1662,7 +1695,7 @@ class MediaPlayerSupportedFormat : public ProtoMessage {
 class ListEntitiesMediaPlayerResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 63;
-  static constexpr uint16_t ESTIMATED_SIZE = 81;
+  static constexpr uint16_t ESTIMATED_SIZE = 85;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_media_player_response"; }
 #endif
@@ -2532,7 +2565,7 @@ class VoiceAssistantSetConfiguration : public ProtoMessage {
 class ListEntitiesAlarmControlPanelResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 94;
-  static constexpr uint16_t ESTIMATED_SIZE = 53;
+  static constexpr uint16_t ESTIMATED_SIZE = 57;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_alarm_control_panel_response"; }
 #endif
@@ -2592,7 +2625,7 @@ class AlarmControlPanelCommandRequest : public ProtoMessage {
 class ListEntitiesTextResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 97;
-  static constexpr uint16_t ESTIMATED_SIZE = 64;
+  static constexpr uint16_t ESTIMATED_SIZE = 68;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_text_response"; }
 #endif
@@ -2653,7 +2686,7 @@ class TextCommandRequest : public ProtoMessage {
 class ListEntitiesDateResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 100;
-  static constexpr uint16_t ESTIMATED_SIZE = 45;
+  static constexpr uint16_t ESTIMATED_SIZE = 49;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_date_response"; }
 #endif
@@ -2713,7 +2746,7 @@ class DateCommandRequest : public ProtoMessage {
 class ListEntitiesTimeResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 103;
-  static constexpr uint16_t ESTIMATED_SIZE = 45;
+  static constexpr uint16_t ESTIMATED_SIZE = 49;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_time_response"; }
 #endif
@@ -2773,7 +2806,7 @@ class TimeCommandRequest : public ProtoMessage {
 class ListEntitiesEventResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 107;
-  static constexpr uint16_t ESTIMATED_SIZE = 72;
+  static constexpr uint16_t ESTIMATED_SIZE = 76;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_event_response"; }
 #endif
@@ -2811,7 +2844,7 @@ class EventResponse : public StateResponseProtoMessage {
 class ListEntitiesValveResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 109;
-  static constexpr uint16_t ESTIMATED_SIZE = 60;
+  static constexpr uint16_t ESTIMATED_SIZE = 64;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_valve_response"; }
 #endif
@@ -2873,7 +2906,7 @@ class ValveCommandRequest : public ProtoMessage {
 class ListEntitiesDateTimeResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 112;
-  static constexpr uint16_t ESTIMATED_SIZE = 45;
+  static constexpr uint16_t ESTIMATED_SIZE = 49;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_date_time_response"; }
 #endif
@@ -2928,7 +2961,7 @@ class DateTimeCommandRequest : public ProtoMessage {
 class ListEntitiesUpdateResponse : public InfoResponseProtoMessage {
  public:
   static constexpr uint16_t MESSAGE_TYPE = 116;
-  static constexpr uint16_t ESTIMATED_SIZE = 54;
+  static constexpr uint16_t ESTIMATED_SIZE = 58;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   static constexpr const char *message_name() { return "list_entities_update_response"; }
 #endif
diff --git a/esphome/components/binary_sensor/__init__.py b/esphome/components/binary_sensor/__init__.py
index bc26c09622..fd9551b850 100644
--- a/esphome/components/binary_sensor/__init__.py
+++ b/esphome/components/binary_sensor/__init__.py
@@ -60,8 +60,8 @@ from esphome.const import (
     DEVICE_CLASS_WINDOW,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 from esphome.util import Registry
 
 CODEOWNERS = ["@esphome/core"]
@@ -491,6 +491,9 @@ _BINARY_SENSOR_SCHEMA = (
 )
 
 
+_BINARY_SENSOR_SCHEMA.add_extra(entity_duplicate_validator("binary_sensor"))
+
+
 def binary_sensor_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -521,7 +524,7 @@ BINARY_SENSOR_SCHEMA.add_extra(cv.deprecated_schema_constant("binary_sensor"))
 
 
 async def setup_binary_sensor_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "binary_sensor")
 
     if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
         cg.add(var.set_device_class(device_class))
diff --git a/esphome/components/button/__init__.py b/esphome/components/button/__init__.py
index 892bf62f3a..ed2670a5c5 100644
--- a/esphome/components/button/__init__.py
+++ b/esphome/components/button/__init__.py
@@ -18,8 +18,8 @@ from esphome.const import (
     DEVICE_CLASS_UPDATE,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@esphome/core"]
 IS_PLATFORM_COMPONENT = True
@@ -61,6 +61,9 @@ _BUTTON_SCHEMA = (
 )
 
 
+_BUTTON_SCHEMA.add_extra(entity_duplicate_validator("button"))
+
+
 def button_schema(
     class_: MockObjClass,
     *,
@@ -87,7 +90,7 @@ BUTTON_SCHEMA.add_extra(cv.deprecated_schema_constant("button"))
 
 
 async def setup_button_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "button")
 
     for conf in config.get(CONF_ON_PRESS, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
diff --git a/esphome/components/climate/__init__.py b/esphome/components/climate/__init__.py
index 52938a17d0..9530ecdcca 100644
--- a/esphome/components/climate/__init__.py
+++ b/esphome/components/climate/__init__.py
@@ -48,8 +48,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 IS_PLATFORM_COMPONENT = True
 
@@ -247,6 +247,9 @@ _CLIMATE_SCHEMA = (
 )
 
 
+_CLIMATE_SCHEMA.add_extra(entity_duplicate_validator("climate"))
+
+
 def climate_schema(
     class_: MockObjClass,
     *,
@@ -273,7 +276,7 @@ CLIMATE_SCHEMA.add_extra(cv.deprecated_schema_constant("climate"))
 
 
 async def setup_climate_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "climate")
 
     visual = config[CONF_VISUAL]
     if (min_temp := visual.get(CONF_MIN_TEMPERATURE)) is not None:
diff --git a/esphome/components/cover/__init__.py b/esphome/components/cover/__init__.py
index 9fe7593eab..cd97a38ecc 100644
--- a/esphome/components/cover/__init__.py
+++ b/esphome/components/cover/__init__.py
@@ -33,8 +33,8 @@ from esphome.const import (
     DEVICE_CLASS_WINDOW,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 IS_PLATFORM_COMPONENT = True
 
@@ -126,6 +126,9 @@ _COVER_SCHEMA = (
 )
 
 
+_COVER_SCHEMA.add_extra(entity_duplicate_validator("cover"))
+
+
 def cover_schema(
     class_: MockObjClass,
     *,
@@ -154,7 +157,7 @@ COVER_SCHEMA.add_extra(cv.deprecated_schema_constant("cover"))
 
 
 async def setup_cover_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "cover")
 
     if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
         cg.add(var.set_device_class(device_class))
diff --git a/esphome/components/datetime/__init__.py b/esphome/components/datetime/__init__.py
index 24fbf5a1ec..4788810965 100644
--- a/esphome/components/datetime/__init__.py
+++ b/esphome/components/datetime/__init__.py
@@ -22,8 +22,8 @@ from esphome.const import (
     CONF_YEAR,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@rfdarter", "@jesserockz"]
 
@@ -84,6 +84,8 @@ _DATETIME_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(
     .extend(cv.MQTT_COMMAND_COMPONENT_SCHEMA)
 ).add_extra(_validate_time_present)
 
+_DATETIME_SCHEMA.add_extra(entity_duplicate_validator("datetime"))
+
 
 def date_schema(class_: MockObjClass) -> cv.Schema:
     schema = cv.Schema(
@@ -133,7 +135,7 @@ def datetime_schema(class_: MockObjClass) -> cv.Schema:
 
 
 async def setup_datetime_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "datetime")
 
     if (mqtt_id := config.get(CONF_MQTT_ID)) is not None:
         mqtt_ = cg.new_Pvariable(mqtt_id, var)
diff --git a/esphome/components/demo/__init__.py b/esphome/components/demo/__init__.py
index 0a56073284..2af0c18c18 100644
--- a/esphome/components/demo/__init__.py
+++ b/esphome/components/demo/__init__.py
@@ -455,7 +455,7 @@ CONFIG_SCHEMA = cv.Schema(
                     CONF_NAME: "Demo Plain Sensor",
                 },
                 {
-                    CONF_NAME: "Demo Temperature Sensor",
+                    CONF_NAME: "Demo Temperature Sensor 1",
                     CONF_UNIT_OF_MEASUREMENT: UNIT_CELSIUS,
                     CONF_ICON: ICON_THERMOMETER,
                     CONF_ACCURACY_DECIMALS: 1,
@@ -463,7 +463,7 @@ CONFIG_SCHEMA = cv.Schema(
                     CONF_STATE_CLASS: STATE_CLASS_MEASUREMENT,
                 },
                 {
-                    CONF_NAME: "Demo Temperature Sensor",
+                    CONF_NAME: "Demo Temperature Sensor 2",
                     CONF_UNIT_OF_MEASUREMENT: UNIT_CELSIUS,
                     CONF_ICON: ICON_THERMOMETER,
                     CONF_ACCURACY_DECIMALS: 1,
diff --git a/esphome/components/esp32_camera/__init__.py b/esphome/components/esp32_camera/__init__.py
index 05522265ae..cfca0ed6fc 100644
--- a/esphome/components/esp32_camera/__init__.py
+++ b/esphome/components/esp32_camera/__init__.py
@@ -19,7 +19,7 @@ from esphome.const import (
     CONF_VSYNC_PIN,
 )
 from esphome.core import CORE
-from esphome.cpp_helpers import setup_entity
+from esphome.core.entity_helpers import setup_entity
 
 DEPENDENCIES = ["esp32"]
 
@@ -284,7 +284,7 @@ SETTERS = {
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
-    await setup_entity(var, config)
+    await setup_entity(var, config, "camera")
     await cg.register_component(var, config)
 
     for key, setter in SETTERS.items():
diff --git a/esphome/components/event/__init__.py b/esphome/components/event/__init__.py
index e7ab489a25..3aff96a48e 100644
--- a/esphome/components/event/__init__.py
+++ b/esphome/components/event/__init__.py
@@ -18,8 +18,8 @@ from esphome.const import (
     DEVICE_CLASS_MOTION,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@nohat"]
 IS_PLATFORM_COMPONENT = True
@@ -59,6 +59,9 @@ _EVENT_SCHEMA = (
 )
 
 
+_EVENT_SCHEMA.add_extra(entity_duplicate_validator("event"))
+
+
 def event_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -88,7 +91,7 @@ EVENT_SCHEMA.add_extra(cv.deprecated_schema_constant("event"))
 
 
 async def setup_event_core_(var, config, *, event_types: list[str]):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "event")
 
     for conf in config.get(CONF_ON_EVENT, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
diff --git a/esphome/components/fan/__init__.py b/esphome/components/fan/__init__.py
index c6ff938cd6..0b1d39575d 100644
--- a/esphome/components/fan/__init__.py
+++ b/esphome/components/fan/__init__.py
@@ -32,7 +32,7 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
-from esphome.cpp_helpers import setup_entity
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 
 IS_PLATFORM_COMPONENT = True
 
@@ -161,6 +161,9 @@ _FAN_SCHEMA = (
 )
 
 
+_FAN_SCHEMA.add_extra(entity_duplicate_validator("fan"))
+
+
 def fan_schema(
     class_: cg.Pvariable,
     *,
@@ -225,7 +228,7 @@ def validate_preset_modes(value):
 
 
 async def setup_fan_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "fan")
 
     cg.add(var.set_restore_mode(config[CONF_RESTORE_MODE]))
 
diff --git a/esphome/components/light/__init__.py b/esphome/components/light/__init__.py
index a013029fc2..7ab899edb2 100644
--- a/esphome/components/light/__init__.py
+++ b/esphome/components/light/__init__.py
@@ -38,8 +38,8 @@ from esphome.const import (
     CONF_WHITE,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 from .automation import LIGHT_STATE_SCHEMA
 from .effects import (
@@ -110,6 +110,8 @@ LIGHT_SCHEMA = (
     )
 )
 
+LIGHT_SCHEMA.add_extra(entity_duplicate_validator("light"))
+
 BINARY_LIGHT_SCHEMA = LIGHT_SCHEMA.extend(
     {
         cv.Optional(CONF_EFFECTS): validate_effects(BINARY_EFFECTS),
@@ -207,7 +209,7 @@ def validate_color_temperature_channels(value):
 
 
 async def setup_light_core_(light_var, output_var, config):
-    await setup_entity(light_var, config)
+    await setup_entity(light_var, config, "light")
 
     cg.add(light_var.set_restore_mode(config[CONF_RESTORE_MODE]))
 
diff --git a/esphome/components/lock/__init__.py b/esphome/components/lock/__init__.py
index 0fb67e3948..e62d9f3e2b 100644
--- a/esphome/components/lock/__init__.py
+++ b/esphome/components/lock/__init__.py
@@ -14,8 +14,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@esphome/core"]
 IS_PLATFORM_COMPONENT = True
@@ -67,6 +67,9 @@ _LOCK_SCHEMA = (
 )
 
 
+_LOCK_SCHEMA.add_extra(entity_duplicate_validator("lock"))
+
+
 def lock_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -94,7 +97,7 @@ LOCK_SCHEMA.add_extra(cv.deprecated_schema_constant("lock"))
 
 
 async def _setup_lock_core(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "lock")
 
     for conf in config.get(CONF_ON_LOCK, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
diff --git a/esphome/components/media_player/__init__.py b/esphome/components/media_player/__init__.py
index ef76419de3..ccded1deb2 100644
--- a/esphome/components/media_player/__init__.py
+++ b/esphome/components/media_player/__init__.py
@@ -11,9 +11,9 @@ from esphome.const import (
     CONF_VOLUME,
 )
 from esphome.core import CORE
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.coroutine import coroutine_with_priority
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@jesserockz"]
 
@@ -81,7 +81,7 @@ IsAnnouncingCondition = media_player_ns.class_(
 
 
 async def setup_media_player_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "media_player")
     for conf in config.get(CONF_ON_STATE, []):
         trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
         await automation.build_automation(trigger, [], conf)
@@ -143,6 +143,8 @@ _MEDIA_PLAYER_SCHEMA = cv.ENTITY_BASE_SCHEMA.extend(
     }
 )
 
+_MEDIA_PLAYER_SCHEMA.add_extra(entity_duplicate_validator("media_player"))
+
 
 def media_player_schema(
     class_: MockObjClass,
@@ -166,7 +168,6 @@ def media_player_schema(
 MEDIA_PLAYER_SCHEMA = media_player_schema(MediaPlayer)
 MEDIA_PLAYER_SCHEMA.add_extra(cv.deprecated_schema_constant("media_player"))
 
-
 MEDIA_PLAYER_ACTION_SCHEMA = automation.maybe_simple_id(
     cv.Schema(
         {
diff --git a/esphome/components/number/__init__.py b/esphome/components/number/__init__.py
index 2567d9ffe1..4beed57188 100644
--- a/esphome/components/number/__init__.py
+++ b/esphome/components/number/__init__.py
@@ -76,8 +76,8 @@ from esphome.const import (
     DEVICE_CLASS_WIND_SPEED,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@esphome/core"]
 DEVICE_CLASSES = [
@@ -207,6 +207,9 @@ _NUMBER_SCHEMA = (
 )
 
 
+_NUMBER_SCHEMA.add_extra(entity_duplicate_validator("number"))
+
+
 def number_schema(
     class_: MockObjClass,
     *,
@@ -237,7 +240,7 @@ NUMBER_SCHEMA.add_extra(cv.deprecated_schema_constant("number"))
 async def setup_number_core_(
     var, config, *, min_value: float, max_value: float, step: float
 ):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "number")
 
     cg.add(var.traits.set_min_value(min_value))
     cg.add(var.traits.set_max_value(max_value))
diff --git a/esphome/components/select/__init__.py b/esphome/components/select/__init__.py
index e14a9351a0..ed1f6c020d 100644
--- a/esphome/components/select/__init__.py
+++ b/esphome/components/select/__init__.py
@@ -17,8 +17,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@esphome/core"]
 IS_PLATFORM_COMPONENT = True
@@ -65,6 +65,9 @@ _SELECT_SCHEMA = (
 )
 
 
+_SELECT_SCHEMA.add_extra(entity_duplicate_validator("select"))
+
+
 def select_schema(
     class_: MockObjClass,
     *,
@@ -89,7 +92,7 @@ SELECT_SCHEMA.add_extra(cv.deprecated_schema_constant("select"))
 
 
 async def setup_select_core_(var, config, *, options: list[str]):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "select")
 
     cg.add(var.traits.set_options(options))
 
diff --git a/esphome/components/sensor/__init__.py b/esphome/components/sensor/__init__.py
index 1ad3cfabee..ea74361d51 100644
--- a/esphome/components/sensor/__init__.py
+++ b/esphome/components/sensor/__init__.py
@@ -101,8 +101,8 @@ from esphome.const import (
     ENTITY_CATEGORY_CONFIG,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 from esphome.util import Registry
 
 CODEOWNERS = ["@esphome/core"]
@@ -318,6 +318,8 @@ _SENSOR_SCHEMA = (
     )
 )
 
+_SENSOR_SCHEMA.add_extra(entity_duplicate_validator("sensor"))
+
 
 def sensor_schema(
     class_: MockObjClass = cv.UNDEFINED,
@@ -787,7 +789,7 @@ async def build_filters(config):
 
 
 async def setup_sensor_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "sensor")
 
     if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
         cg.add(var.set_device_class(device_class))
diff --git a/esphome/components/switch/__init__.py b/esphome/components/switch/__init__.py
index 0211c648fc..c09675069f 100644
--- a/esphome/components/switch/__init__.py
+++ b/esphome/components/switch/__init__.py
@@ -20,8 +20,8 @@ from esphome.const import (
     DEVICE_CLASS_SWITCH,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@esphome/core"]
 IS_PLATFORM_COMPONENT = True
@@ -91,6 +91,9 @@ _SWITCH_SCHEMA = (
 )
 
 
+_SWITCH_SCHEMA.add_extra(entity_duplicate_validator("switch"))
+
+
 def switch_schema(
     class_: MockObjClass,
     *,
@@ -131,7 +134,7 @@ SWITCH_SCHEMA.add_extra(cv.deprecated_schema_constant("switch"))
 
 
 async def setup_switch_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "switch")
 
     if (inverted := config.get(CONF_INVERTED)) is not None:
         cg.add(var.set_inverted(inverted))
diff --git a/esphome/components/text/__init__.py b/esphome/components/text/__init__.py
index 40b3a90d6b..8362e09ac0 100644
--- a/esphome/components/text/__init__.py
+++ b/esphome/components/text/__init__.py
@@ -14,8 +14,8 @@ from esphome.const import (
     CONF_WEB_SERVER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@mauritskorse"]
 IS_PLATFORM_COMPONENT = True
@@ -58,6 +58,9 @@ _TEXT_SCHEMA = (
 )
 
 
+_TEXT_SCHEMA.add_extra(entity_duplicate_validator("text"))
+
+
 def text_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -94,7 +97,7 @@ async def setup_text_core_(
     max_length: int | None,
     pattern: str | None,
 ):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "text")
 
     cg.add(var.traits.set_min_length(min_length))
     cg.add(var.traits.set_max_length(max_length))
diff --git a/esphome/components/text_sensor/__init__.py b/esphome/components/text_sensor/__init__.py
index c7ac17c35a..abb2dcae6c 100644
--- a/esphome/components/text_sensor/__init__.py
+++ b/esphome/components/text_sensor/__init__.py
@@ -21,8 +21,8 @@ from esphome.const import (
     DEVICE_CLASS_TIMESTAMP,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 from esphome.util import Registry
 
 DEVICE_CLASSES = [
@@ -153,6 +153,9 @@ _TEXT_SENSOR_SCHEMA = (
 )
 
 
+_TEXT_SENSOR_SCHEMA.add_extra(entity_duplicate_validator("text_sensor"))
+
+
 def text_sensor_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -186,7 +189,7 @@ async def build_filters(config):
 
 
 async def setup_text_sensor_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "text_sensor")
 
     if (device_class := config.get(CONF_DEVICE_CLASS)) is not None:
         cg.add(var.set_device_class(device_class))
diff --git a/esphome/components/update/__init__.py b/esphome/components/update/__init__.py
index 09b0698903..758267f412 100644
--- a/esphome/components/update/__init__.py
+++ b/esphome/components/update/__init__.py
@@ -15,8 +15,8 @@ from esphome.const import (
     ENTITY_CATEGORY_CONFIG,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 CODEOWNERS = ["@jesserockz"]
 IS_PLATFORM_COMPONENT = True
@@ -58,6 +58,9 @@ _UPDATE_SCHEMA = (
 )
 
 
+_UPDATE_SCHEMA.add_extra(entity_duplicate_validator("update"))
+
+
 def update_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -87,7 +90,7 @@ UPDATE_SCHEMA.add_extra(cv.deprecated_schema_constant("update"))
 
 
 async def setup_update_core_(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "update")
 
     if device_class_config := config.get(CONF_DEVICE_CLASS):
         cg.add(var.set_device_class(device_class_config))
diff --git a/esphome/components/valve/__init__.py b/esphome/components/valve/__init__.py
index a6f1428cd2..cb27546120 100644
--- a/esphome/components/valve/__init__.py
+++ b/esphome/components/valve/__init__.py
@@ -22,8 +22,8 @@ from esphome.const import (
     DEVICE_CLASS_WATER,
 )
 from esphome.core import CORE, coroutine_with_priority
+from esphome.core.entity_helpers import entity_duplicate_validator, setup_entity
 from esphome.cpp_generator import MockObjClass
-from esphome.cpp_helpers import setup_entity
 
 IS_PLATFORM_COMPONENT = True
 
@@ -103,6 +103,9 @@ _VALVE_SCHEMA = (
 )
 
 
+_VALVE_SCHEMA.add_extra(entity_duplicate_validator("valve"))
+
+
 def valve_schema(
     class_: MockObjClass = cv.UNDEFINED,
     *,
@@ -132,7 +135,7 @@ VALVE_SCHEMA.add_extra(cv.deprecated_schema_constant("valve"))
 
 
 async def _setup_valve_core(var, config):
-    await setup_entity(var, config)
+    await setup_entity(var, config, "valve")
 
     if device_class_config := config.get(CONF_DEVICE_CLASS):
         cg.add(var.set_device_class(device_class_config))
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index bf69b81bb5..09b132a458 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -1,5 +1,7 @@
 """Helpers for config validation using voluptuous."""
 
+from __future__ import annotations
+
 from contextlib import contextmanager
 from dataclasses import dataclass
 from datetime import datetime
@@ -29,6 +31,7 @@ from esphome.const import (
     CONF_COMMAND_RETAIN,
     CONF_COMMAND_TOPIC,
     CONF_DAY,
+    CONF_DEVICE_ID,
     CONF_DISABLED_BY_DEFAULT,
     CONF_DISCOVERY,
     CONF_ENTITY_CATEGORY,
@@ -355,6 +358,13 @@ def icon(value):
     )
 
 
+def sub_device_id(value: str | None) -> core.ID:
+    # Lazy import to avoid circular imports
+    from esphome.core.config import Device
+
+    return use_id(Device)(value)
+
+
 def boolean(value):
     """Validate the given config option to be a boolean.
 
@@ -1896,6 +1906,7 @@ ENTITY_BASE_SCHEMA = Schema(
         Optional(CONF_DISABLED_BY_DEFAULT, default=False): boolean,
         Optional(CONF_ICON): icon,
         Optional(CONF_ENTITY_CATEGORY): entity_category,
+        Optional(CONF_DEVICE_ID): sub_device_id,
     }
 )
 
@@ -1964,7 +1975,7 @@ class Version:
         return f"{self.major}.{self.minor}.{self.patch}"
 
     @classmethod
-    def parse(cls, value: str) -> "Version":
+    def parse(cls, value: str) -> Version:
         match = re.match(r"^(\d+).(\d+).(\d+)-?\w*$", value)
         if match is None:
             raise ValueError(f"Not a valid version number {value}")
diff --git a/esphome/const.py b/esphome/const.py
index 5e551efc2c..ed6390d8c3 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -56,6 +56,8 @@ CONF_AP = "ap"
 CONF_APPARENT_POWER = "apparent_power"
 CONF_ARDUINO_VERSION = "arduino_version"
 CONF_AREA = "area"
+CONF_AREA_ID = "area_id"
+CONF_AREAS = "areas"
 CONF_ARGS = "args"
 CONF_ASSUMED_STATE = "assumed_state"
 CONF_AT = "at"
@@ -217,6 +219,7 @@ CONF_DEST = "dest"
 CONF_DEVICE = "device"
 CONF_DEVICE_CLASS = "device_class"
 CONF_DEVICE_FACTOR = "device_factor"
+CONF_DEVICE_ID = "device_id"
 CONF_DEVICES = "devices"
 CONF_DIELECTRIC_CONSTANT = "dielectric_constant"
 CONF_DIMENSIONS = "dimensions"
diff --git a/esphome/core/__init__.py b/esphome/core/__init__.py
index bc98ff54db..368e2affe9 100644
--- a/esphome/core/__init__.py
+++ b/esphome/core/__init__.py
@@ -522,6 +522,9 @@ class EsphomeCore:
         # Dict to track platform entity counts for pre-allocation
         # Key: platform name (e.g. "sensor", "binary_sensor"), Value: count
         self.platform_counts: defaultdict[str, int] = defaultdict(int)
+        # Track entity unique IDs to handle duplicates
+        # Set of (device_id, platform, sanitized_name) tuples
+        self.unique_ids: set[tuple[str, str, str]] = set()
         # Whether ESPHome was started in verbose mode
         self.verbose = False
         # Whether ESPHome was started in quiet mode
@@ -553,6 +556,7 @@ class EsphomeCore:
         self.loaded_integrations = set()
         self.component_ids = set()
         self.platform_counts = defaultdict(int)
+        self.unique_ids = set()
         PIN_SCHEMA_REGISTRY.reset()
 
     @property
diff --git a/esphome/core/application.h b/esphome/core/application.h
index 93d5a78958..17270ca459 100644
--- a/esphome/core/application.h
+++ b/esphome/core/application.h
@@ -9,6 +9,13 @@
 #include "esphome/core/preferences.h"
 #include "esphome/core/scheduler.h"
 
+#ifdef USE_DEVICES
+#include "esphome/core/device.h"
+#endif
+#ifdef USE_AREAS
+#include "esphome/core/area.h"
+#endif
+
 #ifdef USE_SOCKET_SELECT_SUPPORT
 #include <sys/select.h>
 #endif
@@ -87,7 +94,7 @@ static const uint32_t TEARDOWN_TIMEOUT_REBOOT_MS = 1000;  // 1 second for quick
 
 class Application {
  public:
-  void pre_setup(const std::string &name, const std::string &friendly_name, const char *area, const char *comment,
+  void pre_setup(const std::string &name, const std::string &friendly_name, const char *comment,
                  const char *compilation_time, bool name_add_mac_suffix) {
     arch_init();
     this->name_add_mac_suffix_ = name_add_mac_suffix;
@@ -102,11 +109,17 @@ class Application {
       this->name_ = name;
       this->friendly_name_ = friendly_name;
     }
-    this->area_ = area;
     this->comment_ = comment;
     this->compilation_time_ = compilation_time;
   }
 
+#ifdef USE_DEVICES
+  void register_device(Device *device) { this->devices_.push_back(device); }
+#endif
+#ifdef USE_AREAS
+  void register_area(Area *area) { this->areas_.push_back(area); }
+#endif
+
   void set_current_component(Component *component) { this->current_component_ = component; }
   Component *get_current_component() { return this->current_component_; }
 
@@ -264,6 +277,12 @@ class Application {
 #ifdef USE_UPDATE
   void reserve_update(size_t count) { this->updates_.reserve(count); }
 #endif
+#ifdef USE_AREAS
+  void reserve_area(size_t count) { this->areas_.reserve(count); }
+#endif
+#ifdef USE_DEVICES
+  void reserve_device(size_t count) { this->devices_.reserve(count); }
+#endif
 
   /// Register the component in this Application instance.
   template<class C> C *register_component(C *c) {
@@ -285,7 +304,15 @@ class Application {
   const std::string &get_friendly_name() const { return this->friendly_name_; }
 
   /// Get the area of this Application set by pre_setup().
-  std::string get_area() const { return this->area_ == nullptr ? "" : this->area_; }
+  const char *get_area() const {
+#ifdef USE_AREAS
+    // If we have areas registered, return the name of the first one (which is the top-level area)
+    if (!this->areas_.empty() && this->areas_[0] != nullptr) {
+      return this->areas_[0]->get_name();
+    }
+#endif
+    return "";
+  }
 
   /// Get the comment of this Application set by pre_setup().
   std::string get_comment() const { return this->comment_; }
@@ -334,6 +361,12 @@ class Application {
 
   uint8_t get_app_state() const { return this->app_state_; }
 
+#ifdef USE_DEVICES
+  const std::vector<Device *> &get_devices() { return this->devices_; }
+#endif
+#ifdef USE_AREAS
+  const std::vector<Area *> &get_areas() { return this->areas_; }
+#endif
 #ifdef USE_BINARY_SENSOR
   const std::vector<binary_sensor::BinarySensor *> &get_binary_sensors() { return this->binary_sensors_; }
   binary_sensor::BinarySensor *get_binary_sensor_by_key(uint32_t key, bool include_internal = false) {
@@ -610,6 +643,12 @@ class Application {
   uint16_t current_loop_index_{0};
   bool in_loop_{false};
 
+#ifdef USE_DEVICES
+  std::vector<Device *> devices_{};
+#endif
+#ifdef USE_AREAS
+  std::vector<Area *> areas_{};
+#endif
 #ifdef USE_BINARY_SENSOR
   std::vector<binary_sensor::BinarySensor *> binary_sensors_{};
 #endif
@@ -676,7 +715,6 @@ class Application {
 
   std::string name_;
   std::string friendly_name_;
-  const char *area_{nullptr};
   const char *comment_{nullptr};
   const char *compilation_time_{nullptr};
   bool name_add_mac_suffix_;
diff --git a/esphome/core/area.h b/esphome/core/area.h
new file mode 100644
index 0000000000..f6d88fe703
--- /dev/null
+++ b/esphome/core/area.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <cstdint>
+
+namespace esphome {
+
+class Area {
+ public:
+  void set_area_id(uint32_t area_id) { this->area_id_ = area_id; }
+  uint32_t get_area_id() { return this->area_id_; }
+  void set_name(const char *name) { this->name_ = name; }
+  const char *get_name() { return this->name_; }
+
+ protected:
+  uint32_t area_id_{};
+  const char *name_ = "";
+};
+
+}  // namespace esphome
diff --git a/esphome/core/config.py b/esphome/core/config.py
index c407e1c11a..641c73a292 100644
--- a/esphome/core/config.py
+++ b/esphome/core/config.py
@@ -1,18 +1,24 @@
+from __future__ import annotations
+
 import logging
 import os
 from pathlib import Path
 
-from esphome import automation
+from esphome import automation, core
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_AREA,
+    CONF_AREA_ID,
+    CONF_AREAS,
     CONF_BUILD_PATH,
     CONF_COMMENT,
     CONF_COMPILE_PROCESS_LIMIT,
     CONF_DEBUG_SCHEDULER,
+    CONF_DEVICES,
     CONF_ESPHOME,
     CONF_FRIENDLY_NAME,
+    CONF_ID,
     CONF_INCLUDES,
     CONF_LIBRARIES,
     CONF_MIN_VERSION,
@@ -32,7 +38,13 @@ from esphome.const import (
     __version__ as ESPHOME_VERSION,
 )
 from esphome.core import CORE, coroutine_with_priority
-from esphome.helpers import copy_file_if_changed, get_str_env, walk_files
+from esphome.helpers import (
+    copy_file_if_changed,
+    fnv1a_32bit_hash,
+    get_str_env,
+    walk_files,
+)
+from esphome.types import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -48,7 +60,8 @@ LoopTrigger = cg.esphome_ns.class_(
 ProjectUpdateTrigger = cg.esphome_ns.class_(
     "ProjectUpdateTrigger", cg.Component, automation.Trigger.template(cg.std_string)
 )
-
+Device = cg.esphome_ns.class_("Device")
+Area = cg.esphome_ns.class_("Area")
 
 VALID_INCLUDE_EXTS = {".h", ".hpp", ".tcc", ".ino", ".cpp", ".c"}
 
@@ -71,6 +84,56 @@ def validate_hostname(config):
     return config
 
 
+def validate_ids_and_references(config: ConfigType) -> ConfigType:
+    """Validate that there are no hash collisions between IDs and that area_id references are valid.
+
+    This validation is critical because we use 32-bit hashes for performance on microcontrollers.
+    By detecting collisions at compile time, we prevent any runtime issues while maintaining
+    optimal performance on 32-bit platforms. In practice, with typical deployments having only
+    a handful of areas and devices, hash collisions are virtually impossible.
+    """
+
+    # Helper to check hash collisions
+    def check_hash_collision(
+        id_obj: core.ID,
+        hash_dict: dict[int, str],
+        item_type: str,
+        path: list[str | int],
+    ) -> None:
+        hash_val: int = fnv1a_32bit_hash(id_obj.id)
+        if hash_val in hash_dict and hash_dict[hash_val] != id_obj.id:
+            raise cv.Invalid(
+                f"{item_type} ID '{id_obj.id}' with hash {hash_val} collides with "
+                f"existing {item_type.lower()} ID '{hash_dict[hash_val]}'",
+                path=path,
+            )
+        hash_dict[hash_val] = id_obj.id
+
+    # Collect all areas
+    all_areas: list[dict[str, str | core.ID]] = []
+    if CONF_AREA in config:
+        all_areas.append(config[CONF_AREA])
+    all_areas.extend(config[CONF_AREAS])
+
+    # Validate area hash collisions and collect IDs
+    area_hashes: dict[int, str] = {}
+    area_ids: set[str] = set()
+    for area in all_areas:
+        area_id: core.ID = area[CONF_ID]
+        check_hash_collision(area_id, area_hashes, "Area", [CONF_AREAS, area_id.id])
+        area_ids.add(area_id.id)
+
+    # Validate device hash collisions and area references
+    device_hashes: dict[int, str] = {}
+    for device in config[CONF_DEVICES]:
+        device_id: core.ID = device[CONF_ID]
+        check_hash_collision(
+            device_id, device_hashes, "Device", [CONF_DEVICES, device_id.id]
+        )
+
+    return config
+
+
 def valid_include(value):
     # Look for "<...>" includes
     if value.startswith("<") and value.endswith(">"):
@@ -111,13 +174,32 @@ if "ESPHOME_DEFAULT_COMPILE_PROCESS_LIMIT" in os.environ:
 else:
     _compile_process_limit_default = cv.UNDEFINED
 
+AREA_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_ID): cv.declare_id(Area),
+        cv.Required(CONF_NAME): cv.string,
+    }
+)
+
+DEVICE_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_ID): cv.declare_id(Device),
+        cv.Required(CONF_NAME): cv.string,
+        cv.Optional(CONF_AREA_ID): cv.use_id(Area),
+    }
+)
+
+
+def validate_area_config(config: dict | str) -> dict[str, str | core.ID]:
+    return cv.maybe_simple_value(AREA_SCHEMA, key=CONF_NAME)(config)
+
 
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
             cv.Required(CONF_NAME): cv.valid_name,
             cv.Optional(CONF_FRIENDLY_NAME, ""): cv.string,
-            cv.Optional(CONF_AREA, ""): cv.string,
+            cv.Optional(CONF_AREA): validate_area_config,
             cv.Optional(CONF_COMMENT): cv.string,
             cv.Required(CONF_BUILD_PATH): cv.string,
             cv.Optional(CONF_PLATFORMIO_OPTIONS, default={}): cv.Schema(
@@ -167,11 +249,17 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(
                 CONF_COMPILE_PROCESS_LIMIT, default=_compile_process_limit_default
             ): cv.int_range(min=1, max=get_usable_cpu_count()),
+            cv.Optional(CONF_AREAS, default=[]): cv.ensure_list(AREA_SCHEMA),
+            cv.Optional(CONF_DEVICES, default=[]): cv.ensure_list(DEVICE_SCHEMA),
         }
     ),
     validate_hostname,
 )
 
+
+FINAL_VALIDATE_SCHEMA = cv.All(validate_ids_and_references)
+
+
 PRELOAD_CONFIG_SCHEMA = cv.Schema(
     {
         cv.Required(CONF_NAME): cv.valid_name,
@@ -336,7 +424,7 @@ async def _add_platform_reserves() -> None:
 
 
 @coroutine_with_priority(100.0)
-async def to_code(config):
+async def to_code(config: ConfigType) -> None:
     cg.add_global(cg.global_ns.namespace("esphome").using)
     # These can be used by user lambdas, put them to default scope
     cg.add_global(cg.RawExpression("using std::isnan"))
@@ -347,7 +435,6 @@ async def to_code(config):
         cg.App.pre_setup(
             config[CONF_NAME],
             config[CONF_FRIENDLY_NAME],
-            config[CONF_AREA],
             config.get(CONF_COMMENT, ""),
             cg.RawExpression('__DATE__ ", " __TIME__'),
             config[CONF_NAME_ADD_MAC_SUFFIX],
@@ -417,3 +504,50 @@ async def to_code(config):
 
     if config[CONF_PLATFORMIO_OPTIONS]:
         CORE.add_job(_add_platformio_options, config[CONF_PLATFORMIO_OPTIONS])
+
+    # Process areas
+    all_areas: list[dict[str, str | core.ID]] = []
+    if CONF_AREA in config:
+        all_areas.append(config[CONF_AREA])
+    all_areas.extend(config[CONF_AREAS])
+
+    if all_areas:
+        cg.add(cg.RawStatement(f"App.reserve_area({len(all_areas)});"))
+        cg.add_define("USE_AREAS")
+
+        for area_conf in all_areas:
+            area_id: core.ID = area_conf[CONF_ID]
+            area_id_hash: int = fnv1a_32bit_hash(area_id.id)
+            area_name: str = area_conf[CONF_NAME]
+
+            area_var = cg.new_Pvariable(area_id)
+            cg.add(area_var.set_area_id(area_id_hash))
+            cg.add(area_var.set_name(area_name))
+            cg.add(cg.App.register_area(area_var))
+
+    # Process devices
+    devices: list[dict[str, str | core.ID]] = config[CONF_DEVICES]
+    if not devices:
+        return
+
+    # Reserve space for devices
+    cg.add(cg.RawStatement(f"App.reserve_device({len(devices)});"))
+    cg.add_define("USE_DEVICES")
+
+    # Process each device
+    for dev_conf in devices:
+        device_id: core.ID = dev_conf[CONF_ID]
+        device_id_hash = fnv1a_32bit_hash(device_id.id)
+        device_name: str = dev_conf[CONF_NAME]
+
+        dev = cg.new_Pvariable(device_id)
+        cg.add(dev.set_device_id(device_id_hash))
+        cg.add(dev.set_name(device_name))
+
+        # Set area if specified
+        if CONF_AREA_ID in dev_conf:
+            area_id: core.ID = dev_conf[CONF_AREA_ID]
+            area_id_hash = fnv1a_32bit_hash(area_id.id)
+            cg.add(dev.set_area_id(area_id_hash))
+
+        cg.add(cg.App.register_device(dev))
diff --git a/esphome/core/defines.h b/esphome/core/defines.h
index 657827c364..c9fea90386 100644
--- a/esphome/core/defines.h
+++ b/esphome/core/defines.h
@@ -20,6 +20,7 @@
 
 // Feature flags
 #define USE_ALARM_CONTROL_PANEL
+#define USE_AREAS
 #define USE_BINARY_SENSOR
 #define USE_BUTTON
 #define USE_CLIMATE
@@ -29,6 +30,7 @@
 #define USE_DATETIME_DATETIME
 #define USE_DATETIME_TIME
 #define USE_DEEP_SLEEP
+#define USE_DEVICES
 #define USE_DISPLAY
 #define USE_ESP32_IMPROV_STATE_CALLBACK
 #define USE_EVENT
diff --git a/esphome/core/device.h b/esphome/core/device.h
new file mode 100644
index 0000000000..3d0d1e7c23
--- /dev/null
+++ b/esphome/core/device.h
@@ -0,0 +1,20 @@
+#pragma once
+
+namespace esphome {
+
+class Device {
+ public:
+  void set_device_id(uint32_t device_id) { this->device_id_ = device_id; }
+  uint32_t get_device_id() { return this->device_id_; }
+  void set_name(const char *name) { this->name_ = name; }
+  const char *get_name() { return this->name_; }
+  void set_area_id(uint32_t area_id) { this->area_id_ = area_id; }
+  uint32_t get_area_id() { return this->area_id_; }
+
+ protected:
+  uint32_t device_id_{};
+  uint32_t area_id_{};
+  const char *name_ = "";
+};
+
+}  // namespace esphome
diff --git a/esphome/core/entity_base.cpp b/esphome/core/entity_base.cpp
index 791b6615a1..6afd02ff65 100644
--- a/esphome/core/entity_base.cpp
+++ b/esphome/core/entity_base.cpp
@@ -11,7 +11,14 @@ const StringRef &EntityBase::get_name() const { return this->name_; }
 void EntityBase::set_name(const char *name) {
   this->name_ = StringRef(name);
   if (this->name_.empty()) {
-    this->name_ = StringRef(App.get_friendly_name());
+#ifdef USE_DEVICES
+    if (this->device_ != nullptr) {
+      this->name_ = StringRef(this->device_->get_name());
+    } else
+#endif
+    {
+      this->name_ = StringRef(App.get_friendly_name());
+    }
     this->flags_.has_own_name = false;
   } else {
     this->flags_.has_own_name = true;
@@ -47,19 +54,7 @@ void EntityBase::set_object_id(const char *object_id) {
 }
 
 // Calculate Object ID Hash from Entity Name
-void EntityBase::calc_object_id_() {
-  // Check if `App.get_friendly_name()` is constant or dynamic.
-  if (!this->flags_.has_own_name && App.is_name_add_mac_suffix_enabled()) {
-    // `App.get_friendly_name()` is dynamic.
-    const auto object_id = str_sanitize(str_snake_case(App.get_friendly_name()));
-    // FNV-1 hash
-    this->object_id_hash_ = fnv1_hash(object_id);
-  } else {
-    // `App.get_friendly_name()` is constant.
-    // FNV-1 hash
-    this->object_id_hash_ = fnv1_hash(this->object_id_c_str_);
-  }
-}
+void EntityBase::calc_object_id_() { this->object_id_hash_ = fnv1_hash(this->get_object_id()); }
 
 uint32_t EntityBase::get_object_id_hash() { return this->object_id_hash_; }
 
diff --git a/esphome/core/entity_base.h b/esphome/core/entity_base.h
index 0f0d635962..4819b66108 100644
--- a/esphome/core/entity_base.h
+++ b/esphome/core/entity_base.h
@@ -6,6 +6,10 @@
 #include "helpers.h"
 #include "log.h"
 
+#ifdef USE_DEVICES
+#include "device.h"
+#endif
+
 namespace esphome {
 
 enum EntityCategory : uint8_t {
@@ -51,6 +55,17 @@ class EntityBase {
   std::string get_icon() const;
   void set_icon(const char *icon);
 
+#ifdef USE_DEVICES
+  // Get/set this entity's device id
+  uint32_t get_device_id() const {
+    if (this->device_ == nullptr) {
+      return 0;  // No device set, return 0
+    }
+    return this->device_->get_device_id();
+  }
+  void set_device(Device *device) { this->device_ = device; }
+#endif
+
   // Check if this entity has state
   bool has_state() const { return this->flags_.has_state; }
 
@@ -67,6 +82,9 @@ class EntityBase {
   const char *object_id_c_str_{nullptr};
   const char *icon_c_str_{nullptr};
   uint32_t object_id_hash_{};
+#ifdef USE_DEVICES
+  Device *device_{};
+#endif
 
   // Bit-packed flags to save memory (1 byte instead of 5)
   struct EntityFlags {
diff --git a/esphome/core/entity_helpers.py b/esphome/core/entity_helpers.py
index 7f6a9b48ab..c95acebbf9 100644
--- a/esphome/core/entity_helpers.py
+++ b/esphome/core/entity_helpers.py
@@ -1,5 +1,116 @@
-from esphome.const import CONF_ID
+from collections.abc import Callable
+import logging
+
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_DEVICE_ID,
+    CONF_DISABLED_BY_DEFAULT,
+    CONF_ENTITY_CATEGORY,
+    CONF_ICON,
+    CONF_ID,
+    CONF_INTERNAL,
+    CONF_NAME,
+)
+from esphome.core import CORE, ID
+from esphome.cpp_generator import MockObj, add, get_variable
 import esphome.final_validate as fv
+from esphome.helpers import sanitize, snake_case
+from esphome.types import ConfigType
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def get_base_entity_object_id(
+    name: str, friendly_name: str | None, device_name: str | None = None
+) -> str:
+    """Calculate the base object ID for an entity that will be set via set_object_id().
+
+    This function calculates what object_id_c_str_ should be set to in C++.
+
+    The C++ EntityBase::get_object_id() (entity_base.cpp lines 38-49) works as:
+    - If !has_own_name && is_name_add_mac_suffix_enabled():
+        return str_sanitize(str_snake_case(App.get_friendly_name()))  // Dynamic
+    - Else:
+        return object_id_c_str_ ?? ""  // What we set via set_object_id()
+
+    Since we're calculating what to pass to set_object_id(), we always need to
+    generate the object_id the same way, regardless of name_add_mac_suffix setting.
+
+    Args:
+        name: The entity name (empty string if no name)
+        friendly_name: The friendly name from CORE.friendly_name
+        device_name: The device name if entity is on a sub-device
+
+    Returns:
+        The base object ID to use for duplicate checking and to pass to set_object_id()
+    """
+
+    if name:
+        # Entity has its own name (has_own_name will be true)
+        base_str = name
+    elif device_name:
+        # Entity has empty name and is on a sub-device
+        # C++ EntityBase::set_name() uses device->get_name() when device is set
+        base_str = device_name
+    elif friendly_name:
+        # Entity has empty name (has_own_name will be false)
+        # C++ uses App.get_friendly_name() which returns friendly_name or device name
+        base_str = friendly_name
+    else:
+        # Fallback to device name
+        base_str = CORE.name
+
+    return sanitize(snake_case(base_str))
+
+
+async def setup_entity(var: MockObj, config: ConfigType, platform: str) -> None:
+    """Set up generic properties of an Entity.
+
+    This function sets up the common entity properties like name, icon,
+    entity category, etc.
+
+    Args:
+        var: The entity variable to set up
+        config: Configuration dictionary containing entity settings
+        platform: The platform name (e.g., "sensor", "binary_sensor")
+    """
+    # Get device info
+    device_name: str | None = None
+    if CONF_DEVICE_ID in config:
+        device_id_obj: ID = config[CONF_DEVICE_ID]
+        device: MockObj = await get_variable(device_id_obj)
+        add(var.set_device(device))
+        # Get device name for object ID calculation
+        device_name = device_id_obj.id
+
+    add(var.set_name(config[CONF_NAME]))
+
+    # Calculate base object_id using the same logic as C++
+    # This must match the C++ behavior in esphome/core/entity_base.cpp
+    base_object_id = get_base_entity_object_id(
+        config[CONF_NAME], CORE.friendly_name, device_name
+    )
+
+    if not config[CONF_NAME]:
+        _LOGGER.debug(
+            "Entity has empty name, using '%s' as object_id base", base_object_id
+        )
+
+    # Set the object ID
+    add(var.set_object_id(base_object_id))
+    _LOGGER.debug(
+        "Setting object_id '%s' for entity '%s' on platform '%s'",
+        base_object_id,
+        config[CONF_NAME],
+        platform,
+    )
+    add(var.set_disabled_by_default(config[CONF_DISABLED_BY_DEFAULT]))
+    if CONF_INTERNAL in config:
+        add(var.set_internal(config[CONF_INTERNAL]))
+    if CONF_ICON in config:
+        add(var.set_icon(config[CONF_ICON]))
+    if CONF_ENTITY_CATEGORY in config:
+        add(var.set_entity_category(config[CONF_ENTITY_CATEGORY]))
 
 
 def inherit_property_from(property_to_inherit, parent_id_property, transform=None):
@@ -54,3 +165,48 @@ def inherit_property_from(property_to_inherit, parent_id_property, transform=Non
         return config
 
     return inherit_property
+
+
+def entity_duplicate_validator(platform: str) -> Callable[[ConfigType], ConfigType]:
+    """Create a validator function to check for duplicate entity names.
+
+    This validator is meant to be used with schema.add_extra() for entity base schemas.
+
+    Args:
+        platform: The platform name (e.g., "sensor", "binary_sensor")
+
+    Returns:
+        A validator function that checks for duplicate names
+    """
+
+    def validator(config: ConfigType) -> ConfigType:
+        if CONF_NAME not in config:
+            # No name to validate
+            return config
+
+        # Get the entity name and device info
+        entity_name = config[CONF_NAME]
+        device_id = ""  # Empty string for main device
+
+        if CONF_DEVICE_ID in config:
+            device_id_obj = config[CONF_DEVICE_ID]
+            # Use the device ID string directly for uniqueness
+            device_id = device_id_obj.id
+
+        # For duplicate detection, just use the sanitized name
+        name_key = sanitize(snake_case(entity_name))
+
+        # Check for duplicates
+        unique_key = (device_id, platform, name_key)
+        if unique_key in CORE.unique_ids:
+            device_prefix = f" on device '{device_id}'" if device_id else ""
+            raise cv.Invalid(
+                f"Duplicate {platform} entity with name '{entity_name}' found{device_prefix}. "
+                f"Each entity on a device must have a unique name within its platform."
+            )
+
+        # Add to tracking set
+        CORE.unique_ids.add(unique_key)
+        return config
+
+    return validator
diff --git a/esphome/cpp_helpers.py b/esphome/cpp_helpers.py
index 9a775bad33..3f64be6154 100644
--- a/esphome/cpp_helpers.py
+++ b/esphome/cpp_helpers.py
@@ -1,11 +1,6 @@
 import logging
 
 from esphome.const import (
-    CONF_DISABLED_BY_DEFAULT,
-    CONF_ENTITY_CATEGORY,
-    CONF_ICON,
-    CONF_INTERNAL,
-    CONF_NAME,
     CONF_SAFE_MODE,
     CONF_SETUP_PRIORITY,
     CONF_TYPE_ID,
@@ -16,7 +11,6 @@ from esphome.core import CORE, ID, coroutine
 from esphome.coroutine import FakeAwaitable
 from esphome.cpp_generator import add, get_variable
 from esphome.cpp_types import App
-from esphome.helpers import sanitize, snake_case
 from esphome.types import ConfigFragmentType, ConfigType
 from esphome.util import Registry, RegistryEntry
 
@@ -96,22 +90,6 @@ async def register_parented(var, value):
     add(var.set_parent(paren))
 
 
-async def setup_entity(var, config):
-    """Set up generic properties of an Entity"""
-    add(var.set_name(config[CONF_NAME]))
-    if not config[CONF_NAME]:
-        add(var.set_object_id(sanitize(snake_case(CORE.friendly_name))))
-    else:
-        add(var.set_object_id(sanitize(snake_case(config[CONF_NAME]))))
-    add(var.set_disabled_by_default(config[CONF_DISABLED_BY_DEFAULT]))
-    if CONF_INTERNAL in config:
-        add(var.set_internal(config[CONF_INTERNAL]))
-    if CONF_ICON in config:
-        add(var.set_icon(config[CONF_ICON]))
-    if CONF_ENTITY_CATEGORY in config:
-        add(var.set_entity_category(config[CONF_ENTITY_CATEGORY]))
-
-
 def extract_registry_entry_config(
     registry: Registry,
     full_config: ConfigType,
diff --git a/esphome/dashboard/util/text.py b/esphome/dashboard/util/text.py
index 08d2df6abf..2a3b9042e6 100644
--- a/esphome/dashboard/util/text.py
+++ b/esphome/dashboard/util/text.py
@@ -1,25 +1,9 @@
 from __future__ import annotations
 
-import unicodedata
-
-from esphome.const import ALLOWED_NAME_CHARS
+from esphome.helpers import slugify
 
 
-def strip_accents(value):
-    return "".join(
-        c
-        for c in unicodedata.normalize("NFD", str(value))
-        if unicodedata.category(c) != "Mn"
-    )
-
-
-def friendly_name_slugify(value):
-    value = (
-        strip_accents(value)
-        .lower()
-        .replace(" ", "-")
-        .replace("_", "-")
-        .replace("--", "-")
-        .strip("-")
-    )
-    return "".join(c for c in value if c in ALLOWED_NAME_CHARS)
+def friendly_name_slugify(value: str) -> str:
+    """Convert a friendly name to a slug with dashes instead of underscores."""
+    # First use the standard slugify, then convert underscores to dashes
+    return slugify(value).replace("_", "-")
diff --git a/esphome/helpers.py b/esphome/helpers.py
index d95546ac94..bf0e3b5cf7 100644
--- a/esphome/helpers.py
+++ b/esphome/helpers.py
@@ -29,6 +29,53 @@ def ensure_unique_string(preferred_string, current_strings):
     return test_string
 
 
+def fnv1a_32bit_hash(string: str) -> int:
+    """FNV-1a 32-bit hash function.
+
+    Note: This uses 32-bit hash instead of 64-bit for several reasons:
+    1. ESPHome targets 32-bit microcontrollers with limited RAM (often <320KB)
+    2. Using 64-bit hashes would double the RAM usage for storing IDs
+    3. 64-bit operations are slower on 32-bit processors
+
+    While there's a ~50% collision probability at ~77,000 unique IDs,
+    ESPHome validates for collisions at compile time, preventing any
+    runtime issues. In practice, most ESPHome installations only have
+    a handful of area_ids and device_ids (typically <10 areas and <100
+    devices), making collisions virtually impossible.
+    """
+    hash_value = 2166136261
+    for char in string:
+        hash_value ^= ord(char)
+        hash_value = (hash_value * 16777619) & 0xFFFFFFFF
+    return hash_value
+
+
+def strip_accents(value: str) -> str:
+    """Remove accents from a string."""
+    import unicodedata
+
+    return "".join(
+        c
+        for c in unicodedata.normalize("NFD", str(value))
+        if unicodedata.category(c) != "Mn"
+    )
+
+
+def slugify(value: str) -> str:
+    """Convert a string to a valid C++ identifier slug."""
+    from esphome.const import ALLOWED_NAME_CHARS
+
+    value = (
+        strip_accents(value)
+        .lower()
+        .replace(" ", "_")
+        .replace("-", "_")
+        .replace("__", "_")
+        .strip("_")
+    )
+    return "".join(c for c in value if c in ALLOWED_NAME_CHARS)
+
+
 def indent_all_but_first_and_last(text, padding="  "):
     lines = text.splitlines(True)
     if len(lines) <= 2:
diff --git a/tests/components/ade7880/common.yaml b/tests/components/ade7880/common.yaml
index 0aa388a325..48c22c8485 100644
--- a/tests/components/ade7880/common.yaml
+++ b/tests/components/ade7880/common.yaml
@@ -12,12 +12,12 @@ sensor:
     frequency: 60Hz
     phase_a:
       name: Channel A
-      voltage: Voltage
-      current: Current
-      active_power: Active Power
-      power_factor: Power Factor
-      forward_active_energy: Forward Active Energy
-      reverse_active_energy: Reverse Active Energy
+      voltage: Channel A Voltage
+      current: Channel A Current
+      active_power: Channel A Active Power
+      power_factor: Channel A Power Factor
+      forward_active_energy: Channel A Forward Active Energy
+      reverse_active_energy: Channel A Reverse Active Energy
       calibration:
         current_gain: 3116628
         voltage_gain: -757178
@@ -25,12 +25,12 @@ sensor:
         phase_angle: 188
     phase_b:
       name: Channel B
-      voltage: Voltage
-      current: Current
-      active_power: Active Power
-      power_factor: Power Factor
-      forward_active_energy: Forward Active Energy
-      reverse_active_energy: Reverse Active Energy
+      voltage: Channel B Voltage
+      current: Channel B Current
+      active_power: Channel B Active Power
+      power_factor: Channel B Power Factor
+      forward_active_energy: Channel B Forward Active Energy
+      reverse_active_energy: Channel B Reverse Active Energy
       calibration:
         current_gain: 3133655
         voltage_gain: -755235
@@ -38,12 +38,12 @@ sensor:
         phase_angle: 188
     phase_c:
       name: Channel C
-      voltage: Voltage
-      current: Current
-      active_power: Active Power
-      power_factor: Power Factor
-      forward_active_energy: Forward Active Energy
-      reverse_active_energy: Reverse Active Energy
+      voltage: Channel C Voltage
+      current: Channel C Current
+      active_power: Channel C Active Power
+      power_factor: Channel C Power Factor
+      forward_active_energy: Channel C Forward Active Energy
+      reverse_active_energy: Channel C Reverse Active Energy
       calibration:
         current_gain: 3111158
         voltage_gain: -743813
@@ -51,6 +51,6 @@ sensor:
         phase_angle: 180
     neutral:
       name: Neutral
-      current: Current
+      current: Neutral Current
       calibration:
         current_gain: 3189
diff --git a/tests/components/alarm_control_panel/common.yaml b/tests/components/alarm_control_panel/common.yaml
index 5b8ae5a282..142bf3c7e6 100644
--- a/tests/components/alarm_control_panel/common.yaml
+++ b/tests/components/alarm_control_panel/common.yaml
@@ -26,7 +26,7 @@ alarm_control_panel:
             ESP_LOGD("TEST", "State change %s", LOG_STR_ARG(alarm_control_panel_state_to_string(id(alarmcontrolpanel1)->get_state())));
   - platform: template
     id: alarmcontrolpanel2
-    name: Alarm Panel
+    name: Alarm Panel 2
     codes:
       - "1234"
     requires_code_to_arm: true
diff --git a/tests/components/binary_sensor_map/common.yaml b/tests/components/binary_sensor_map/common.yaml
index 8ffdd1f379..2fed5ae515 100644
--- a/tests/components/binary_sensor_map/common.yaml
+++ b/tests/components/binary_sensor_map/common.yaml
@@ -26,7 +26,7 @@ binary_sensor:
 
 sensor:
   - platform: binary_sensor_map
-    name: Binary Sensor Map
+    name: Binary Sensor Map Group
     type: group
     channels:
       - binary_sensor: bin1
@@ -36,7 +36,7 @@ sensor:
       - binary_sensor: bin3
         value: 100.0
   - platform: binary_sensor_map
-    name: Binary Sensor Map
+    name: Binary Sensor Map Sum
     type: sum
     channels:
       - binary_sensor: bin1
@@ -46,7 +46,7 @@ sensor:
       - binary_sensor: bin3
         value: 100.0
   - platform: binary_sensor_map
-    name: Binary Sensor Map
+    name: Binary Sensor Map Bayesian
     type: bayesian
     prior: 0.4
     observations:
diff --git a/tests/components/dallas_temp/common.yaml b/tests/components/dallas_temp/common.yaml
index 2f846ca278..fb51f4818e 100644
--- a/tests/components/dallas_temp/common.yaml
+++ b/tests/components/dallas_temp/common.yaml
@@ -5,7 +5,7 @@ one_wire:
 sensor:
   - platform: dallas_temp
     address: 0x1C0000031EDD2A28
-    name: Dallas Temperature
+    name: Dallas Temperature 1
     resolution: 9
   - platform: dallas_temp
-    name: Dallas Temperature
+    name: Dallas Temperature 2
diff --git a/tests/components/esphome/common.yaml b/tests/components/esphome/common.yaml
index 05954e37d7..a4b309b69d 100644
--- a/tests/components/esphome/common.yaml
+++ b/tests/components/esphome/common.yaml
@@ -2,7 +2,9 @@ esphome:
   debug_scheduler: true
   platformio_options:
     board_build.flash_mode: dio
-  area: testing
+  area:
+    id: testing_area
+    name: Testing Area
   on_boot:
     logger.log: on_boot
   on_shutdown:
@@ -17,4 +19,20 @@ esphome:
     version: "1.1"
     on_update:
       logger.log: on_update
+  areas:
+    - id: another_area
+      name: Another area
+  devices:
+    - id: other_device
+      name: Another device
+      area_id: another_area
+    - id: test_device
+      name: Test device in main area
+      area_id: testing_area  # Reference the main area (not in areas)
+    - id: no_area_device
+      name: Device without area  # This device has no area_id
 
+binary_sensor:
+  - platform: template
+    name: Other device sensor
+    device_id: other_device
diff --git a/tests/components/heatpumpir/common.yaml b/tests/components/heatpumpir/common.yaml
index 2df195c5de..d740f31518 100644
--- a/tests/components/heatpumpir/common.yaml
+++ b/tests/components/heatpumpir/common.yaml
@@ -7,20 +7,20 @@ climate:
     protocol: mitsubishi_heavy_zm
     horizontal_default: left
     vertical_default: up
-    name: HeatpumpIR Climate
+    name: HeatpumpIR Climate Mitsubishi
     min_temperature: 18
     max_temperature: 30
   - platform: heatpumpir
     protocol: daikin
     horizontal_default: mleft
     vertical_default: mup
-    name: HeatpumpIR Climate
+    name: HeatpumpIR Climate Daikin
     min_temperature: 18
     max_temperature: 30
   - platform: heatpumpir
     protocol: panasonic_altdke
     horizontal_default: mright
     vertical_default: mdown
-    name: HeatpumpIR Climate
+    name: HeatpumpIR Climate Panasonic
     min_temperature: 18
     max_temperature: 30
diff --git a/tests/components/light/common.yaml b/tests/components/light/common.yaml
index a224dbe8bc..d4f64dcdea 100644
--- a/tests/components/light/common.yaml
+++ b/tests/components/light/common.yaml
@@ -114,7 +114,7 @@ light:
     warm_white_color_temperature: 500 mireds
   - platform: rgb
     id: test_rgb_light_initial_state
-    name: RGB Light
+    name: RGB Light Initial State
     red: test_ledc_1
     green: test_ledc_2
     blue: test_ledc_3
diff --git a/tests/components/ltr390/common.yaml b/tests/components/ltr390/common.yaml
index 2eebe9d1c3..e5e331e7ba 100644
--- a/tests/components/ltr390/common.yaml
+++ b/tests/components/ltr390/common.yaml
@@ -6,13 +6,13 @@ i2c:
 sensor:
   - platform: ltr390
     uv:
-      name: LTR390 UV
+      name: LTR390 UV 1
     uv_index:
-      name: LTR390 UVI
+      name: LTR390 UVI 1
     light:
-      name: LTR390 Light
+      name: LTR390 Light 1
     ambient_light:
-      name: LTR390 ALS
+      name: LTR390 ALS 1
     gain: X3
     resolution: 18
     window_correction_factor: 1.0
@@ -20,13 +20,13 @@ sensor:
     update_interval: 60s
   - platform: ltr390
     uv:
-      name: LTR390 UV
+      name: LTR390 UV 2
     uv_index:
-      name: LTR390 UVI
+      name: LTR390 UVI 2
     light:
-      name: LTR390 Light
+      name: LTR390 Light 2
     ambient_light:
-      name: LTR390 ALS
+      name: LTR390 ALS 2
     gain:
       ambient_light: X9
       uv: X3
diff --git a/tests/components/lvgl/common.yaml b/tests/components/lvgl/common.yaml
index 59602414a7..a035900386 100644
--- a/tests/components/lvgl/common.yaml
+++ b/tests/components/lvgl/common.yaml
@@ -24,33 +24,33 @@ sensor:
     widget: lv_arc
   - platform: lvgl
     widget: slider_id
-    name: LVGL Slider
+    name: LVGL Slider Sensor
   - platform: lvgl
     widget: bar_id
     id: lvgl_bar_sensor
-    name: LVGL Bar
+    name: LVGL Bar Sensor
   - platform: lvgl
     widget: spinbox_id
-    name: LVGL Spinbox
+    name: LVGL Spinbox Sensor
 
 number:
   - platform: lvgl
     widget: slider_id
-    name: LVGL Slider
+    name: LVGL Slider Number
     update_on_release: true
     restore_value: true
   - platform: lvgl
     widget: lv_arc
     id: lvgl_arc_number
-    name: LVGL Arc
+    name: LVGL Arc Number
   - platform: lvgl
     widget: bar_id
     id: lvgl_bar_number
-    name: LVGL Bar
+    name: LVGL Bar Number
   - platform: lvgl
     widget: spinbox_id
     id: lvgl_spinbox_number
-    name: LVGL Spinbox
+    name: LVGL Spinbox Number
 
 light:
   - platform: lvgl
diff --git a/tests/components/opentherm/common.yaml b/tests/components/opentherm/common.yaml
index 5edacc6f17..1e58a04bf0 100644
--- a/tests/components/opentherm/common.yaml
+++ b/tests/components/opentherm/common.yaml
@@ -170,4 +170,4 @@ switch:
     otc_active:
       name: "Boiler Outside temperature compensation active"
     ch2_active:
-      name: "Boiler Central Heating 2 active"
+      name: "Boiler Central Heating 2 active status"
diff --git a/tests/components/packages/test.esp32-ard.yaml b/tests/components/packages/test.esp32-ard.yaml
index d35c27d997..d882116c10 100644
--- a/tests/components/packages/test.esp32-ard.yaml
+++ b/tests/components/packages/test.esp32-ard.yaml
@@ -5,7 +5,7 @@ packages:
   - !include package.yaml
   - github://esphome/esphome/tests/components/template/common.yaml@dev
   - url: https://github.com/esphome/esphome
-    file: tests/components/binary_sensor_map/common.yaml
+    file: tests/components/absolute_humidity/common.yaml
     ref: dev
     refresh: 1d
 
diff --git a/tests/components/packages/test.esp32-idf.yaml b/tests/components/packages/test.esp32-idf.yaml
index 9f1484d1fd..720a5777c2 100644
--- a/tests/components/packages/test.esp32-idf.yaml
+++ b/tests/components/packages/test.esp32-idf.yaml
@@ -7,7 +7,7 @@ packages:
   shorthand: github://esphome/esphome/tests/components/template/common.yaml@dev
   github:
     url: https://github.com/esphome/esphome
-    file: tests/components/binary_sensor_map/common.yaml
+    file: tests/components/absolute_humidity/common.yaml
     ref: dev
     refresh: 1d
 
diff --git a/tests/components/remote_transmitter/common-buttons.yaml b/tests/components/remote_transmitter/common-buttons.yaml
index 1fb7ef6dbe..29f48d995d 100644
--- a/tests/components/remote_transmitter/common-buttons.yaml
+++ b/tests/components/remote_transmitter/common-buttons.yaml
@@ -115,7 +115,7 @@ button:
         address: 0x00
         command: 0x0B
   - platform: template
-    name: RC5
+    name: RC5 Raw
     on_press:
       remote_transmitter.transmit_raw:
         code: [1000, -1000]
diff --git a/tests/dummy_main.cpp b/tests/dummy_main.cpp
index 3ba4c8bd07..afd393c095 100644
--- a/tests/dummy_main.cpp
+++ b/tests/dummy_main.cpp
@@ -12,7 +12,7 @@
 using namespace esphome;
 
 void setup() {
-  App.pre_setup("livingroom", "LivingRoom", "LivingRoomArea", "comment", __DATE__ ", " __TIME__, false);
+  App.pre_setup("livingroom", "LivingRoom", "comment", __DATE__ ", " __TIME__, false);
   auto *log = new logger::Logger(115200, 512);  // NOLINT
   log->pre_setup();
   log->set_uart_selection(logger::UART_SELECTION_UART0);
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 525e3541b3..8f5f77ca52 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -203,6 +203,7 @@ async def compile_esphome(
         loop = asyncio.get_running_loop()
 
         def _read_config_and_get_binary():
+            CORE.reset()  # Reset CORE state between test runs
             CORE.config_path = str(config_path)
             config = esphome.config.read_config(
                 {"command": "compile", "config": str(config_path)}
diff --git a/tests/integration/fixtures/areas_and_devices.yaml b/tests/integration/fixtures/areas_and_devices.yaml
new file mode 100644
index 0000000000..4a327b73a1
--- /dev/null
+++ b/tests/integration/fixtures/areas_and_devices.yaml
@@ -0,0 +1,57 @@
+esphome:
+  name: areas-devices-test
+  # Define top-level area
+  area:
+    id: living_room_area
+    name: Living Room
+  # Define additional areas
+  areas:
+    - id: bedroom_area
+      name: Bedroom
+    - id: kitchen_area
+      name: Kitchen
+  # Define devices with area assignments
+  devices:
+    - id: light_controller_device
+      name: Light Controller
+      area_id: living_room_area  # Uses top-level area
+    - id: temp_sensor_device
+      name: Temperature Sensor
+      area_id: bedroom_area
+    - id: motion_detector_device
+      name: Motion Detector
+      area_id: living_room_area  # Reuses top-level area
+    - id: smart_switch_device
+      name: Smart Switch
+      area_id: kitchen_area
+
+host:
+api:
+logger:
+
+# Sensors assigned to different devices
+sensor:
+  - platform: template
+    name: Light Controller Sensor
+    device_id: light_controller_device
+    lambda: return 1.0;
+    update_interval: 0.1s
+
+  - platform: template
+    name: Temperature Sensor Reading
+    device_id: temp_sensor_device
+    lambda: return 2.0;
+    update_interval: 0.1s
+
+  - platform: template
+    name: Motion Detector Status
+    device_id: motion_detector_device
+    lambda: return 3.0;
+    update_interval: 0.1s
+
+  - platform: template
+    name: Smart Switch Power
+    device_id: smart_switch_device
+    lambda: return 4.0;
+    update_interval: 0.1s
+
diff --git a/tests/integration/fixtures/duplicate_entities_on_different_devices.yaml b/tests/integration/fixtures/duplicate_entities_on_different_devices.yaml
new file mode 100644
index 0000000000..ecc502ad28
--- /dev/null
+++ b/tests/integration/fixtures/duplicate_entities_on_different_devices.yaml
@@ -0,0 +1,154 @@
+esphome:
+  name: duplicate-entities-test
+  # Define devices to test multi-device duplicate handling
+  devices:
+    - id: controller_1
+      name: Controller 1
+    - id: controller_2
+      name: Controller 2
+    - id: controller_3
+      name: Controller 3
+
+host:
+api:  # Port will be automatically injected
+logger:
+
+# Test that duplicate entity names are allowed on different devices
+
+# Scenario 1: Same sensor name on different devices (allowed)
+sensor:
+  - platform: template
+    name: Temperature
+    device_id: controller_1
+    lambda: return 21.0;
+    update_interval: 0.1s
+
+  - platform: template
+    name: Temperature
+    device_id: controller_2
+    lambda: return 22.0;
+    update_interval: 0.1s
+
+  - platform: template
+    name: Temperature
+    device_id: controller_3
+    lambda: return 23.0;
+    update_interval: 0.1s
+
+  # Main device sensor (no device_id)
+  - platform: template
+    name: Temperature
+    lambda: return 20.0;
+    update_interval: 0.1s
+
+  # Different sensor with unique name
+  - platform: template
+    name: Humidity
+    lambda: return 60.0;
+    update_interval: 0.1s
+
+# Scenario 2: Same binary sensor name on different devices (allowed)
+binary_sensor:
+  - platform: template
+    name: Status
+    device_id: controller_1
+    lambda: return true;
+
+  - platform: template
+    name: Status
+    device_id: controller_2
+    lambda: return false;
+
+  - platform: template
+    name: Status
+    lambda: return true;  # Main device
+
+  # Different platform can have same name as sensor
+  - platform: template
+    name: Temperature
+    lambda: return true;
+
+# Scenario 3: Same text sensor name on different devices
+text_sensor:
+  - platform: template
+    name: Device Info
+    device_id: controller_1
+    lambda: return {"Controller 1 Active"};
+    update_interval: 0.1s
+
+  - platform: template
+    name: Device Info
+    device_id: controller_2
+    lambda: return {"Controller 2 Active"};
+    update_interval: 0.1s
+
+  - platform: template
+    name: Device Info
+    lambda: return {"Main Device Active"};
+    update_interval: 0.1s
+
+# Scenario 4: Same switch name on different devices
+switch:
+  - platform: template
+    name: Power
+    device_id: controller_1
+    lambda: return false;
+    turn_on_action: []
+    turn_off_action: []
+
+  - platform: template
+    name: Power
+    device_id: controller_2
+    lambda: return true;
+    turn_on_action: []
+    turn_off_action: []
+
+  - platform: template
+    name: Power
+    device_id: controller_3
+    lambda: return false;
+    turn_on_action: []
+    turn_off_action: []
+
+  # Unique switch on main device
+  - platform: template
+    name: Main Power
+    lambda: return true;
+    turn_on_action: []
+    turn_off_action: []
+
+# Scenario 5: Empty names on different devices (should use device name)
+button:
+  - platform: template
+    name: ""
+    device_id: controller_1
+    on_press: []
+
+  - platform: template
+    name: ""
+    device_id: controller_2
+    on_press: []
+
+  - platform: template
+    name: ""
+    on_press: []  # Main device
+
+# Scenario 6: Special characters in names
+number:
+  - platform: template
+    name: "Temperature Setpoint!"
+    device_id: controller_1
+    min_value: 10.0
+    max_value: 30.0
+    step: 0.1
+    lambda: return 21.0;
+    set_action: []
+
+  - platform: template
+    name: "Temperature Setpoint!"
+    device_id: controller_2
+    min_value: 10.0
+    max_value: 30.0
+    step: 0.1
+    lambda: return 22.0;
+    set_action: []
diff --git a/tests/integration/fixtures/legacy_area.yaml b/tests/integration/fixtures/legacy_area.yaml
new file mode 100644
index 0000000000..4d1617c395
--- /dev/null
+++ b/tests/integration/fixtures/legacy_area.yaml
@@ -0,0 +1,15 @@
+esphome:
+  name: legacy-area-test
+  # Using legacy string-based area configuration
+  area: Master Bedroom
+
+host:
+api:
+logger:
+
+# Simple sensor to ensure the device compiles and runs
+sensor:
+  - platform: template
+    name: Test Sensor
+    lambda: return 42.0;
+    update_interval: 1s
diff --git a/tests/integration/test_areas_and_devices.py b/tests/integration/test_areas_and_devices.py
new file mode 100644
index 0000000000..4ce55a30a7
--- /dev/null
+++ b/tests/integration/test_areas_and_devices.py
@@ -0,0 +1,121 @@
+"""Integration test for areas and devices feature."""
+
+from __future__ import annotations
+
+import asyncio
+
+from aioesphomeapi import EntityState
+import pytest
+
+from .types import APIClientConnectedFactory, RunCompiledFunction
+
+
+@pytest.mark.asyncio
+async def test_areas_and_devices(
+    yaml_config: str,
+    run_compiled: RunCompiledFunction,
+    api_client_connected: APIClientConnectedFactory,
+) -> None:
+    """Test areas and devices configuration with entity mapping."""
+    async with run_compiled(yaml_config), api_client_connected() as client:
+        # Get device info which includes areas and devices
+        device_info = await client.device_info()
+        assert device_info is not None
+
+        # Verify areas are reported
+        areas = device_info.areas
+        assert len(areas) >= 2, f"Expected at least 2 areas, got {len(areas)}"
+
+        # Find our specific areas
+        main_area = next((a for a in areas if a.name == "Living Room"), None)
+        bedroom_area = next((a for a in areas if a.name == "Bedroom"), None)
+        kitchen_area = next((a for a in areas if a.name == "Kitchen"), None)
+
+        assert main_area is not None, "Living Room area not found"
+        assert bedroom_area is not None, "Bedroom area not found"
+        assert kitchen_area is not None, "Kitchen area not found"
+
+        # Verify devices are reported
+        devices = device_info.devices
+        assert len(devices) >= 4, f"Expected at least 4 devices, got {len(devices)}"
+
+        # Find our specific devices
+        light_controller = next(
+            (d for d in devices if d.name == "Light Controller"), None
+        )
+        temp_sensor = next((d for d in devices if d.name == "Temperature Sensor"), None)
+        motion_detector = next(
+            (d for d in devices if d.name == "Motion Detector"), None
+        )
+        smart_switch = next((d for d in devices if d.name == "Smart Switch"), None)
+
+        assert light_controller is not None, "Light Controller device not found"
+        assert temp_sensor is not None, "Temperature Sensor device not found"
+        assert motion_detector is not None, "Motion Detector device not found"
+        assert smart_switch is not None, "Smart Switch device not found"
+
+        # Verify device area assignments
+        assert light_controller.area_id == main_area.area_id, (
+            "Light Controller should be in Living Room"
+        )
+        assert temp_sensor.area_id == bedroom_area.area_id, (
+            "Temperature Sensor should be in Bedroom"
+        )
+        assert motion_detector.area_id == main_area.area_id, (
+            "Motion Detector should be in Living Room"
+        )
+        assert smart_switch.area_id == kitchen_area.area_id, (
+            "Smart Switch should be in Kitchen"
+        )
+
+        # Verify suggested_area is set to the top-level area name
+        assert device_info.suggested_area == "Living Room", (
+            f"Expected suggested_area to be 'Living Room', got '{device_info.suggested_area}'"
+        )
+
+        # Get entity list to verify device_id mapping
+        entities = await client.list_entities_services()
+
+        # Collect sensor entities
+        sensor_entities = [e for e in entities[0] if hasattr(e, "device_id")]
+        assert len(sensor_entities) >= 4, (
+            f"Expected at least 4 sensor entities, got {len(sensor_entities)}"
+        )
+
+        # Subscribe to states to get sensor values
+        loop = asyncio.get_running_loop()
+        states: dict[int, EntityState] = {}
+        states_future: asyncio.Future[bool] = loop.create_future()
+
+        def on_state(state: EntityState) -> None:
+            states[state.key] = state
+            # Check if we have all expected sensor states
+            if len(states) >= 4 and not states_future.done():
+                states_future.set_result(True)
+
+        client.subscribe_states(on_state)
+
+        # Wait for sensor states
+        try:
+            await asyncio.wait_for(states_future, timeout=10.0)
+        except asyncio.TimeoutError:
+            pytest.fail(
+                f"Did not receive all sensor states within 10 seconds. "
+                f"Received {len(states)} states"
+            )
+
+        # Verify we have sensor entities with proper device_id assignments
+        device_id_mapping = {
+            "Light Controller Sensor": light_controller.device_id,
+            "Temperature Sensor Reading": temp_sensor.device_id,
+            "Motion Detector Status": motion_detector.device_id,
+            "Smart Switch Power": smart_switch.device_id,
+        }
+
+        for entity in sensor_entities:
+            if entity.name in device_id_mapping:
+                expected_device_id = device_id_mapping[entity.name]
+                assert entity.device_id == expected_device_id, (
+                    f"{entity.name} has device_id {entity.device_id}, "
+                    f"expected {expected_device_id}"
+                )
diff --git a/tests/integration/test_duplicate_entities.py b/tests/integration/test_duplicate_entities.py
new file mode 100644
index 0000000000..99968204d4
--- /dev/null
+++ b/tests/integration/test_duplicate_entities.py
@@ -0,0 +1,184 @@
+"""Integration test for duplicate entity handling with new validation."""
+
+from __future__ import annotations
+
+import asyncio
+
+from aioesphomeapi import EntityInfo
+import pytest
+
+from .types import APIClientConnectedFactory, RunCompiledFunction
+
+
+@pytest.mark.asyncio
+async def test_duplicate_entities_on_different_devices(
+    yaml_config: str,
+    run_compiled: RunCompiledFunction,
+    api_client_connected: APIClientConnectedFactory,
+) -> None:
+    """Test that duplicate entity names are allowed on different devices."""
+    async with run_compiled(yaml_config), api_client_connected() as client:
+        # Get device info
+        device_info = await client.device_info()
+        assert device_info is not None
+
+        # Get devices
+        devices = device_info.devices
+        assert len(devices) >= 3, f"Expected at least 3 devices, got {len(devices)}"
+
+        # Find our test devices
+        controller_1 = next((d for d in devices if d.name == "Controller 1"), None)
+        controller_2 = next((d for d in devices if d.name == "Controller 2"), None)
+        controller_3 = next((d for d in devices if d.name == "Controller 3"), None)
+
+        assert controller_1 is not None, "Controller 1 device not found"
+        assert controller_2 is not None, "Controller 2 device not found"
+        assert controller_3 is not None, "Controller 3 device not found"
+
+        # Get entity list
+        entities = await client.list_entities_services()
+        all_entities: list[EntityInfo] = []
+        for entity_list in entities[0]:
+            all_entities.append(entity_list)
+
+        # Group entities by type for easier testing
+        sensors = [e for e in all_entities if e.__class__.__name__ == "SensorInfo"]
+        binary_sensors = [
+            e for e in all_entities if e.__class__.__name__ == "BinarySensorInfo"
+        ]
+        text_sensors = [
+            e for e in all_entities if e.__class__.__name__ == "TextSensorInfo"
+        ]
+        switches = [e for e in all_entities if e.__class__.__name__ == "SwitchInfo"]
+        buttons = [e for e in all_entities if e.__class__.__name__ == "ButtonInfo"]
+        numbers = [e for e in all_entities if e.__class__.__name__ == "NumberInfo"]
+
+        # Scenario 1: Check sensors with same "Temperature" name on different devices
+        temp_sensors = [s for s in sensors if s.name == "Temperature"]
+        assert len(temp_sensors) == 4, (
+            f"Expected exactly 4 temperature sensors, got {len(temp_sensors)}"
+        )
+
+        # Verify each sensor is on a different device
+        temp_device_ids = set()
+        temp_object_ids = set()
+
+        for sensor in temp_sensors:
+            temp_device_ids.add(sensor.device_id)
+            temp_object_ids.add(sensor.object_id)
+
+            # All should have object_id "temperature" (no suffix)
+            assert sensor.object_id == "temperature", (
+                f"Expected object_id 'temperature', got '{sensor.object_id}'"
+            )
+
+        # Should have 4 different device IDs (including None for main device)
+        assert len(temp_device_ids) == 4, (
+            f"Temperature sensors should be on different devices, got {temp_device_ids}"
+        )
+
+        # Scenario 2: Check binary sensors "Status" on different devices
+        status_binary = [b for b in binary_sensors if b.name == "Status"]
+        assert len(status_binary) == 3, (
+            f"Expected exactly 3 status binary sensors, got {len(status_binary)}"
+        )
+
+        # All should have object_id "status"
+        for binary in status_binary:
+            assert binary.object_id == "status", (
+                f"Expected object_id 'status', got '{binary.object_id}'"
+            )
+
+        # Scenario 3: Check that sensor and binary_sensor can have same name
+        temp_binary = [b for b in binary_sensors if b.name == "Temperature"]
+        assert len(temp_binary) == 1, (
+            f"Expected exactly 1 temperature binary sensor, got {len(temp_binary)}"
+        )
+        assert temp_binary[0].object_id == "temperature"
+
+        # Scenario 4: Check text sensors "Device Info" on different devices
+        info_text = [t for t in text_sensors if t.name == "Device Info"]
+        assert len(info_text) == 3, (
+            f"Expected exactly 3 device info text sensors, got {len(info_text)}"
+        )
+
+        # All should have object_id "device_info"
+        for text in info_text:
+            assert text.object_id == "device_info", (
+                f"Expected object_id 'device_info', got '{text.object_id}'"
+            )
+
+        # Scenario 5: Check switches "Power" on different devices
+        power_switches = [s for s in switches if s.name == "Power"]
+        assert len(power_switches) == 3, (
+            f"Expected exactly 3 power switches, got {len(power_switches)}"
+        )
+
+        # All should have object_id "power"
+        for switch in power_switches:
+            assert switch.object_id == "power", (
+                f"Expected object_id 'power', got '{switch.object_id}'"
+            )
+
+        # Scenario 6: Check empty name buttons (should use device name)
+        empty_buttons = [b for b in buttons if b.name == ""]
+        assert len(empty_buttons) == 3, (
+            f"Expected exactly 3 empty name buttons, got {len(empty_buttons)}"
+        )
+
+        # Group by device
+        c1_buttons = [b for b in empty_buttons if b.device_id == controller_1.device_id]
+        c2_buttons = [b for b in empty_buttons if b.device_id == controller_2.device_id]
+
+        # For main device, device_id is 0
+        main_buttons = [b for b in empty_buttons if b.device_id == 0]
+
+        # Check object IDs for empty name entities
+        assert len(c1_buttons) == 1 and c1_buttons[0].object_id == "controller_1"
+        assert len(c2_buttons) == 1 and c2_buttons[0].object_id == "controller_2"
+        assert (
+            len(main_buttons) == 1
+            and main_buttons[0].object_id == "duplicate-entities-test"
+        )
+
+        # Scenario 7: Check special characters in number names
+        temp_numbers = [n for n in numbers if n.name == "Temperature Setpoint!"]
+        assert len(temp_numbers) == 2, (
+            f"Expected exactly 2 temperature setpoint numbers, got {len(temp_numbers)}"
+        )
+
+        # Special characters should be sanitized to _ in object_id
+        for number in temp_numbers:
+            assert number.object_id == "temperature_setpoint_", (
+                f"Expected object_id 'temperature_setpoint_', got '{number.object_id}'"
+            )
+
+        # Verify we can get states for all entities (ensures they're functional)
+        loop = asyncio.get_running_loop()
+        states_future: asyncio.Future[None] = loop.create_future()
+        state_count = 0
+        expected_count = (
+            len(sensors)
+            + len(binary_sensors)
+            + len(text_sensors)
+            + len(switches)
+            + len(buttons)
+            + len(numbers)
+        )
+
+        def on_state(state) -> None:
+            nonlocal state_count
+            state_count += 1
+            if state_count >= expected_count and not states_future.done():
+                states_future.set_result(None)
+
+        client.subscribe_states(on_state)
+
+        # Wait for all entity states
+        try:
+            await asyncio.wait_for(states_future, timeout=10.0)
+        except asyncio.TimeoutError:
+            pytest.fail(
+                f"Did not receive all entity states within 10 seconds. "
+                f"Expected {expected_count}, received {state_count}"
+            )
diff --git a/tests/integration/test_legacy_area.py b/tests/integration/test_legacy_area.py
new file mode 100644
index 0000000000..d10a01ec6a
--- /dev/null
+++ b/tests/integration/test_legacy_area.py
@@ -0,0 +1,41 @@
+"""Integration test for legacy string-based area configuration."""
+
+from __future__ import annotations
+
+import pytest
+
+from .types import APIClientConnectedFactory, RunCompiledFunction
+
+
+@pytest.mark.asyncio
+async def test_legacy_area(
+    yaml_config: str,
+    run_compiled: RunCompiledFunction,
+    api_client_connected: APIClientConnectedFactory,
+) -> None:
+    """Test legacy string-based area configuration."""
+    async with run_compiled(yaml_config), api_client_connected() as client:
+        # Get device info which includes areas
+        device_info = await client.device_info()
+        assert device_info is not None
+
+        # Verify the area is reported (should be converted to structured format)
+        areas = device_info.areas
+        assert len(areas) == 1, f"Expected exactly 1 area, got {len(areas)}"
+
+        # Find the area - should be slugified from "Master Bedroom"
+        area = areas[0]
+        assert area.name == "Master Bedroom", (
+            f"Expected area name 'Master Bedroom', got '{area.name}'"
+        )
+
+        # Verify area.id is set (it should be a hash)
+        assert area.area_id > 0, "Area ID should be a positive hash value"
+
+        # The suggested_area field should be set for backward compatibility
+        assert device_info.suggested_area == "Master Bedroom", (
+            f"Expected suggested_area to be 'Master Bedroom', got '{device_info.suggested_area}'"
+        )
+
+        # Verify deprecated warning would have been logged during compilation
+        # (We can't check logs directly in integration tests, but the code should work)
diff --git a/tests/unit_tests/conftest.py b/tests/unit_tests/conftest.py
index 955869b799..aac5a642f6 100644
--- a/tests/unit_tests/conftest.py
+++ b/tests/unit_tests/conftest.py
@@ -14,6 +14,8 @@ import sys
 
 import pytest
 
+from esphome.core import CORE
+
 here = Path(__file__).parent
 
 # Configure location of package root
@@ -21,6 +23,13 @@ package_root = here.parent.parent
 sys.path.insert(0, package_root.as_posix())
 
 
+@pytest.fixture(autouse=True)
+def reset_core():
+    """Reset CORE after each test."""
+    yield
+    CORE.reset()
+
+
 @pytest.fixture
 def fixture_path() -> Path:
     """
diff --git a/tests/unit_tests/core/__init__.py b/tests/unit_tests/core/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/tests/unit_tests/core/common.py b/tests/unit_tests/core/common.py
new file mode 100644
index 0000000000..1848d5397b
--- /dev/null
+++ b/tests/unit_tests/core/common.py
@@ -0,0 +1,33 @@
+"""Common test utilities for core unit tests."""
+
+from collections.abc import Callable
+from pathlib import Path
+from unittest.mock import patch
+
+from esphome import config, yaml_util
+from esphome.config import Config
+from esphome.core import CORE
+
+
+def load_config_from_yaml(
+    yaml_file: Callable[[str], str], yaml_content: str
+) -> Config | None:
+    """Load configuration from YAML content."""
+    yaml_path = yaml_file(yaml_content)
+    parsed_yaml = yaml_util.load_yaml(yaml_path)
+
+    # Mock yaml_util.load_yaml to return our parsed content
+    with (
+        patch.object(yaml_util, "load_yaml", return_value=parsed_yaml),
+        patch.object(CORE, "config_path", yaml_path),
+    ):
+        return config.read_config({})
+
+
+def load_config_from_fixture(
+    yaml_file: Callable[[str], str], fixture_name: str, fixtures_dir: Path
+) -> Config | None:
+    """Load configuration from a fixture file."""
+    fixture_path = fixtures_dir / fixture_name
+    yaml_content = fixture_path.read_text()
+    return load_config_from_yaml(yaml_file, yaml_content)
diff --git a/tests/unit_tests/core/conftest.py b/tests/unit_tests/core/conftest.py
new file mode 100644
index 0000000000..60d6738ce9
--- /dev/null
+++ b/tests/unit_tests/core/conftest.py
@@ -0,0 +1,18 @@
+"""Shared fixtures for core unit tests."""
+
+from collections.abc import Callable
+from pathlib import Path
+
+import pytest
+
+
+@pytest.fixture
+def yaml_file(tmp_path: Path) -> Callable[[str], str]:
+    """Create a temporary YAML file for testing."""
+
+    def _yaml_file(content: str) -> str:
+        yaml_path = tmp_path / "test.yaml"
+        yaml_path.write_text(content)
+        return str(yaml_path)
+
+    return _yaml_file
diff --git a/tests/unit_tests/core/test_config.py b/tests/unit_tests/core/test_config.py
new file mode 100644
index 0000000000..46e3b513d7
--- /dev/null
+++ b/tests/unit_tests/core/test_config.py
@@ -0,0 +1,225 @@
+"""Unit tests for core config functionality including areas and devices."""
+
+from collections.abc import Callable
+from pathlib import Path
+from typing import Any
+
+import pytest
+
+from esphome import config_validation as cv, core
+from esphome.const import CONF_AREA, CONF_AREAS, CONF_DEVICES
+from esphome.core.config import Area, validate_area_config
+
+from .common import load_config_from_fixture
+
+FIXTURES_DIR = Path(__file__).parent.parent / "fixtures" / "core" / "config"
+
+
+def test_validate_area_config_with_string() -> None:
+    """Test that string area config is converted to structured format."""
+    result = validate_area_config("Living Room")
+
+    assert isinstance(result, dict)
+    assert "id" in result
+    assert "name" in result
+    assert result["name"] == "Living Room"
+    assert isinstance(result["id"], core.ID)
+    assert result["id"].is_declaration
+    assert not result["id"].is_manual
+
+
+def test_validate_area_config_with_dict() -> None:
+    """Test that structured area config passes through unchanged."""
+    area_id = cv.declare_id(Area)("test_area")
+    input_config: dict[str, Any] = {
+        "id": area_id,
+        "name": "Test Area",
+    }
+
+    result = validate_area_config(input_config)
+
+    assert result == input_config
+    assert result["id"] == area_id
+    assert result["name"] == "Test Area"
+
+
+def test_device_with_valid_area_id(yaml_file: Callable[[str], str]) -> None:
+    """Test that device with valid area_id works correctly."""
+    result = load_config_from_fixture(yaml_file, "valid_area_device.yaml", FIXTURES_DIR)
+    assert result is not None
+
+    esphome_config = result["esphome"]
+
+    # Verify areas were parsed correctly
+    assert CONF_AREAS in esphome_config
+    areas = esphome_config[CONF_AREAS]
+    assert len(areas) == 1
+    assert areas[0]["id"].id == "bedroom_area"
+    assert areas[0]["name"] == "Bedroom"
+
+    # Verify devices were parsed correctly
+    assert CONF_DEVICES in esphome_config
+    devices = esphome_config[CONF_DEVICES]
+    assert len(devices) == 1
+    assert devices[0]["id"].id == "test_device"
+    assert devices[0]["name"] == "Test Device"
+    assert devices[0]["area_id"].id == "bedroom_area"
+
+
+def test_multiple_areas_and_devices(yaml_file: Callable[[str], str]) -> None:
+    """Test multiple areas and devices configuration."""
+    result = load_config_from_fixture(
+        yaml_file, "multiple_areas_devices.yaml", FIXTURES_DIR
+    )
+    assert result is not None
+
+    esphome_config = result["esphome"]
+
+    # Verify main area
+    assert CONF_AREA in esphome_config
+    main_area = esphome_config[CONF_AREA]
+    assert main_area["id"].id == "main_area"
+    assert main_area["name"] == "Main Area"
+
+    # Verify additional areas
+    assert CONF_AREAS in esphome_config
+    areas = esphome_config[CONF_AREAS]
+    assert len(areas) == 2
+    area_ids = {area["id"].id for area in areas}
+    assert area_ids == {"area1", "area2"}
+
+    # Verify devices
+    assert CONF_DEVICES in esphome_config
+    devices = esphome_config[CONF_DEVICES]
+    assert len(devices) == 3
+
+    # Check device-area associations
+    device_area_map = {dev["id"].id: dev["area_id"].id for dev in devices}
+    assert device_area_map == {
+        "device1": "main_area",
+        "device2": "area1",
+        "device3": "area2",
+    }
+
+
+def test_legacy_string_area(
+    yaml_file: Callable[[str], str], caplog: pytest.LogCaptureFixture
+) -> None:
+    """Test legacy string area configuration with deprecation warning."""
+    result = load_config_from_fixture(
+        yaml_file, "legacy_string_area.yaml", FIXTURES_DIR
+    )
+    assert result is not None
+
+    esphome_config = result["esphome"]
+
+    # Verify the string was converted to structured format
+    assert CONF_AREA in esphome_config
+    area = esphome_config[CONF_AREA]
+    assert isinstance(area, dict)
+    assert area["name"] == "Living Room"
+    assert isinstance(area["id"], core.ID)
+    assert area["id"].is_declaration
+    assert not area["id"].is_manual
+
+
+def test_area_id_collision(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that duplicate area IDs are detected."""
+    result = load_config_from_fixture(yaml_file, "area_id_collision.yaml", FIXTURES_DIR)
+    assert result is None
+
+    # Check for the specific error message in stdout
+    captured = capsys.readouterr()
+    # Exact duplicates are now caught by IDPassValidationStep
+    assert "ID duplicate_id redefined! Check esphome->area->id." in captured.out
+
+
+def test_device_without_area(yaml_file: Callable[[str], str]) -> None:
+    """Test that devices without area_id work correctly."""
+    result = load_config_from_fixture(
+        yaml_file, "device_without_area.yaml", FIXTURES_DIR
+    )
+    assert result is not None
+
+    esphome_config = result["esphome"]
+
+    # Verify device was parsed
+    assert CONF_DEVICES in esphome_config
+    devices = esphome_config[CONF_DEVICES]
+    assert len(devices) == 1
+
+    device = devices[0]
+    assert device["id"].id == "test_device"
+    assert device["name"] == "Test Device"
+
+    # Verify no area_id is present
+    assert "area_id" not in device
+
+
+def test_device_with_invalid_area_id(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that device with non-existent area_id fails validation."""
+    result = load_config_from_fixture(
+        yaml_file, "device_invalid_area.yaml", FIXTURES_DIR
+    )
+    assert result is None
+
+    # Check for the specific error message in stdout
+    captured = capsys.readouterr()
+    assert (
+        "Couldn't find ID 'nonexistent_area'. Please check you have defined an ID with that name in your configuration."
+        in captured.out
+    )
+
+
+def test_device_id_hash_collision(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that device IDs with hash collisions are detected."""
+    result = load_config_from_fixture(
+        yaml_file, "device_id_collision.yaml", FIXTURES_DIR
+    )
+    assert result is None
+
+    # Check for the specific error message about hash collision
+    captured = capsys.readouterr()
+    # The error message shows the ID that collides and includes the hash value
+    assert (
+        "Device ID 'd6ka' with hash 3082558663 collides with existing device ID 'test_2258'"
+        in captured.out
+    )
+
+
+def test_area_id_hash_collision(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that area IDs with hash collisions are detected."""
+    result = load_config_from_fixture(
+        yaml_file, "area_id_hash_collision.yaml", FIXTURES_DIR
+    )
+    assert result is None
+
+    # Check for the specific error message about hash collision
+    captured = capsys.readouterr()
+    # The error message shows the ID that collides and includes the hash value
+    assert (
+        "Area ID 'd6ka' with hash 3082558663 collides with existing area ID 'test_2258'"
+        in captured.out
+    )
+
+
+def test_device_duplicate_id(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that duplicate device IDs are detected by IDPassValidationStep."""
+    result = load_config_from_fixture(
+        yaml_file, "device_duplicate_id.yaml", FIXTURES_DIR
+    )
+    assert result is None
+
+    # Check for the specific error message from IDPassValidationStep
+    captured = capsys.readouterr()
+    assert "ID duplicate_device redefined!" in captured.out
diff --git a/tests/unit_tests/core/test_entity_helpers.py b/tests/unit_tests/core/test_entity_helpers.py
new file mode 100644
index 0000000000..e166eeedee
--- /dev/null
+++ b/tests/unit_tests/core/test_entity_helpers.py
@@ -0,0 +1,595 @@
+"""Test get_base_entity_object_id function matches C++ behavior."""
+
+from collections.abc import Callable, Generator
+from pathlib import Path
+import re
+from typing import Any
+
+import pytest
+
+from esphome.config_validation import Invalid
+from esphome.const import CONF_DEVICE_ID, CONF_DISABLED_BY_DEFAULT, CONF_ICON, CONF_NAME
+from esphome.core import CORE, ID, entity_helpers
+from esphome.core.entity_helpers import get_base_entity_object_id, setup_entity
+from esphome.cpp_generator import MockObj
+from esphome.helpers import sanitize, snake_case
+
+from .common import load_config_from_fixture
+
+# Pre-compiled regex pattern for extracting object IDs from expressions
+OBJECT_ID_PATTERN = re.compile(r'\.set_object_id\(["\'](.*?)["\']\)')
+
+FIXTURES_DIR = Path(__file__).parent.parent / "fixtures" / "core" / "entity_helpers"
+
+
+@pytest.fixture(autouse=True)
+def restore_core_state() -> Generator[None, None, None]:
+    """Save and restore CORE state for tests."""
+    original_name = CORE.name
+    original_friendly_name = CORE.friendly_name
+    yield
+    CORE.name = original_name
+    CORE.friendly_name = original_friendly_name
+
+
+def test_with_entity_name() -> None:
+    """Test when entity has its own name - should use entity name."""
+    # Simple name
+    assert get_base_entity_object_id("Temperature Sensor", None) == "temperature_sensor"
+    assert (
+        get_base_entity_object_id("Temperature Sensor", "Device Name")
+        == "temperature_sensor"
+    )
+    # Even with device name, entity name takes precedence
+    assert (
+        get_base_entity_object_id("Temperature Sensor", "Device Name", "Sub Device")
+        == "temperature_sensor"
+    )
+
+    # Name with special characters
+    assert (
+        get_base_entity_object_id("Temp!@#$%^&*()Sensor", None)
+        == "temp__________sensor"
+    )
+    assert get_base_entity_object_id("Temp-Sensor_123", None) == "temp-sensor_123"
+
+    # Already snake_case
+    assert get_base_entity_object_id("temperature_sensor", None) == "temperature_sensor"
+
+    # Mixed case
+    assert get_base_entity_object_id("TemperatureSensor", None) == "temperaturesensor"
+    assert get_base_entity_object_id("TEMPERATURE SENSOR", None) == "temperature_sensor"
+
+
+def test_empty_name_with_device_name() -> None:
+    """Test when entity has empty name and is on a sub-device - should use device name."""
+    # C++ behavior: when has_own_name is false and device is set, uses device->get_name()
+    assert (
+        get_base_entity_object_id("", "Friendly Device", "Sub Device 1")
+        == "sub_device_1"
+    )
+    assert (
+        get_base_entity_object_id("", "Kitchen Controller", "controller_1")
+        == "controller_1"
+    )
+    assert get_base_entity_object_id("", None, "Test-Device_123") == "test-device_123"
+
+
+def test_empty_name_with_friendly_name() -> None:
+    """Test when entity has empty name and no device - should use friendly name."""
+    # C++ behavior: when has_own_name is false, uses App.get_friendly_name()
+    assert get_base_entity_object_id("", "Friendly Device") == "friendly_device"
+    assert get_base_entity_object_id("", "Kitchen Controller") == "kitchen_controller"
+    assert get_base_entity_object_id("", "Test-Device_123") == "test-device_123"
+
+    # Special characters in friendly name
+    assert get_base_entity_object_id("", "Device!@#$%") == "device_____"
+
+
+def test_empty_name_no_friendly_name() -> None:
+    """Test when entity has empty name and no friendly name - should use device name."""
+    # Test with CORE.name set
+    CORE.name = "device-name"
+    assert get_base_entity_object_id("", None) == "device-name"
+
+    CORE.name = "Test Device"
+    assert get_base_entity_object_id("", None) == "test_device"
+
+
+def test_edge_cases() -> None:
+    """Test edge cases."""
+    # Only spaces
+    assert get_base_entity_object_id("   ", None) == "___"
+
+    # Unicode characters (should be replaced)
+    assert get_base_entity_object_id("Température", None) == "temp_rature"
+    assert get_base_entity_object_id("测试", None) == "__"
+
+    # Empty string with empty friendly name (empty friendly name is treated as None)
+    # Falls back to CORE.name
+    CORE.name = "device"
+    assert get_base_entity_object_id("", "") == "device"
+
+    # Very long name (should work fine)
+    long_name = "a" * 100 + " " + "b" * 100
+    expected = "a" * 100 + "_" + "b" * 100
+    assert get_base_entity_object_id(long_name, None) == expected
+
+
+@pytest.mark.parametrize(
+    ("name", "expected"),
+    [
+        ("Temperature Sensor", "temperature_sensor"),
+        ("Living Room Light", "living_room_light"),
+        ("Test-Device_123", "test-device_123"),
+        ("Special!@#Chars", "special___chars"),
+        ("UPPERCASE NAME", "uppercase_name"),
+        ("lowercase name", "lowercase_name"),
+        ("Mixed Case Name", "mixed_case_name"),
+        ("   Spaces   ", "___spaces___"),
+    ],
+)
+def test_matches_cpp_helpers(name: str, expected: str) -> None:
+    """Test that the logic matches using snake_case and sanitize directly."""
+    # For non-empty names, verify our function produces same result as direct snake_case + sanitize
+    assert get_base_entity_object_id(name, None) == sanitize(snake_case(name))
+    assert get_base_entity_object_id(name, None) == expected
+
+
+def test_empty_name_fallback() -> None:
+    """Test empty name handling which falls back to friendly_name or CORE.name."""
+    # Empty name is handled specially - it doesn't just use sanitize(snake_case(""))
+    # Instead it falls back to friendly_name or CORE.name
+    assert sanitize(snake_case("")) == ""  # Direct conversion gives empty string
+    # But our function returns a fallback
+    CORE.name = "device"
+    assert get_base_entity_object_id("", None) == "device"  # Uses device name
+
+
+def test_name_add_mac_suffix_behavior() -> None:
+    """Test behavior related to name_add_mac_suffix.
+
+    In C++, when name_add_mac_suffix is enabled and entity has no name,
+    get_object_id() returns str_sanitize(str_snake_case(App.get_friendly_name()))
+    dynamically. Our function always returns the same result since we're
+    calculating the base for duplicate tracking.
+    """
+    # The function should always return the same result regardless of
+    # name_add_mac_suffix setting, as we're calculating the base object_id
+    assert get_base_entity_object_id("", "Test Device") == "test_device"
+    assert get_base_entity_object_id("Entity Name", "Test Device") == "entity_name"
+
+
+def test_priority_order() -> None:
+    """Test the priority order: entity name > device name > friendly name > CORE.name."""
+    CORE.name = "core-device"
+
+    # 1. Entity name has highest priority
+    assert (
+        get_base_entity_object_id("Entity Name", "Friendly Name", "Device Name")
+        == "entity_name"
+    )
+
+    # 2. Device name is next priority (when entity name is empty)
+    assert (
+        get_base_entity_object_id("", "Friendly Name", "Device Name") == "device_name"
+    )
+
+    # 3. Friendly name is next (when entity and device names are empty)
+    assert get_base_entity_object_id("", "Friendly Name", None) == "friendly_name"
+
+    # 4. CORE.name is last resort
+    assert get_base_entity_object_id("", None, None) == "core-device"
+
+
+@pytest.mark.parametrize(
+    ("name", "friendly_name", "device_name", "expected"),
+    [
+        # name, friendly_name, device_name, expected
+        ("Living Room Light", None, None, "living_room_light"),
+        ("", "Kitchen Controller", None, "kitchen_controller"),
+        (
+            "",
+            "ESP32 Device",
+            "controller_1",
+            "controller_1",
+        ),  # Device name takes precedence
+        ("GPIO2 Button", None, None, "gpio2_button"),
+        ("WiFi Signal", "My Device", None, "wifi_signal"),
+        ("", None, "esp32_node", "esp32_node"),
+        ("Front Door Sensor", "Home Assistant", "door_controller", "front_door_sensor"),
+    ],
+)
+def test_real_world_examples(
+    name: str, friendly_name: str | None, device_name: str | None, expected: str
+) -> None:
+    """Test real-world entity naming scenarios."""
+    result = get_base_entity_object_id(name, friendly_name, device_name)
+    assert result == expected
+
+
+def test_issue_6953_scenarios() -> None:
+    """Test specific scenarios from issue #6953."""
+    # Scenario 1: Multiple empty names on main device with name_add_mac_suffix
+    # The Python code calculates the base, C++ might append MAC suffix dynamically
+    CORE.name = "device-name"
+    CORE.friendly_name = "Friendly Device"
+
+    # All empty names should resolve to same base
+    assert get_base_entity_object_id("", CORE.friendly_name) == "friendly_device"
+    assert get_base_entity_object_id("", CORE.friendly_name) == "friendly_device"
+    assert get_base_entity_object_id("", CORE.friendly_name) == "friendly_device"
+
+    # Scenario 2: Empty names on sub-devices
+    assert (
+        get_base_entity_object_id("", "Main Device", "controller_1") == "controller_1"
+    )
+    assert (
+        get_base_entity_object_id("", "Main Device", "controller_2") == "controller_2"
+    )
+
+    # Scenario 3: xyz duplicates
+    assert get_base_entity_object_id("xyz", None) == "xyz"
+    assert get_base_entity_object_id("xyz", "Device") == "xyz"
+
+
+# Tests for setup_entity function
+
+
+@pytest.fixture
+def setup_test_environment() -> Generator[list[str], None, None]:
+    """Set up test environment for setup_entity tests."""
+    # Set CORE state for tests
+    CORE.name = "test-device"
+    CORE.friendly_name = "Test Device"
+    # Store original add function
+
+    original_add = entity_helpers.add
+    # Track what gets added
+    added_expressions: list[str] = []
+
+    def mock_add(expression: Any) -> Any:
+        added_expressions.append(str(expression))
+        return original_add(expression)
+
+    # Patch add function in entity_helpers module
+    entity_helpers.add = mock_add
+    yield added_expressions
+    # Clean up
+    entity_helpers.add = original_add
+
+
+def extract_object_id_from_expressions(expressions: list[str]) -> str | None:
+    """Extract the object ID that was set from the generated expressions."""
+    for expr in expressions:
+        # Look for set_object_id calls with regex to handle various formats
+        # Matches: var.set_object_id("temperature_2") or var.set_object_id('temperature_2')
+        if match := OBJECT_ID_PATTERN.search(expr):
+            return match.group(1)
+    return None
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_no_duplicates(setup_test_environment: list[str]) -> None:
+    """Test setup_entity with unique names."""
+
+    added_expressions = setup_test_environment
+
+    # Create mock entities
+    var1 = MockObj("sensor1")
+    var2 = MockObj("sensor2")
+
+    # Set up first entity
+    config1 = {
+        CONF_NAME: "Temperature",
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+    await setup_entity(var1, config1, "sensor")
+
+    # Get object ID from first entity
+    object_id1 = extract_object_id_from_expressions(added_expressions)
+    assert object_id1 == "temperature"
+
+    # Clear for next entity
+    added_expressions.clear()
+
+    # Set up second entity with different name
+    config2 = {
+        CONF_NAME: "Humidity",
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+    await setup_entity(var2, config2, "sensor")
+
+    # Get object ID from second entity
+    object_id2 = extract_object_id_from_expressions(added_expressions)
+    assert object_id2 == "humidity"
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_different_platforms(
+    setup_test_environment: list[str],
+) -> None:
+    """Test that same name on different platforms doesn't conflict."""
+
+    added_expressions = setup_test_environment
+
+    # Create mock entities
+    sensor = MockObj("sensor1")
+    binary_sensor = MockObj("binary_sensor1")
+    text_sensor = MockObj("text_sensor1")
+
+    config = {
+        CONF_NAME: "Status",
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+
+    # Set up entities on different platforms
+    platforms = [
+        (sensor, "sensor"),
+        (binary_sensor, "binary_sensor"),
+        (text_sensor, "text_sensor"),
+    ]
+
+    object_ids: list[str] = []
+    for var, platform in platforms:
+        added_expressions.clear()
+        await setup_entity(var, config, platform)
+        object_id = extract_object_id_from_expressions(added_expressions)
+        object_ids.append(object_id)
+
+    # All should get base object ID without suffix
+    assert all(obj_id == "status" for obj_id in object_ids)
+
+
+@pytest.fixture
+def mock_get_variable() -> Generator[dict[ID, MockObj], None, None]:
+    """Mock get_variable to return test devices."""
+    devices = {}
+    original_get_variable = entity_helpers.get_variable
+
+    async def _mock_get_variable(device_id: ID) -> MockObj:
+        if device_id in devices:
+            return devices[device_id]
+        return await original_get_variable(device_id)
+
+    entity_helpers.get_variable = _mock_get_variable
+    yield devices
+    # Clean up
+    entity_helpers.get_variable = original_get_variable
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_with_devices(
+    setup_test_environment: list[str], mock_get_variable: dict[ID, MockObj]
+) -> None:
+    """Test that same name on different devices doesn't conflict."""
+    added_expressions = setup_test_environment
+
+    # Create mock devices
+    device1_id = ID("device1", type="Device")
+    device2_id = ID("device2", type="Device")
+    device1 = MockObj("device1_obj")
+    device2 = MockObj("device2_obj")
+
+    # Register devices with the mock
+    mock_get_variable[device1_id] = device1
+    mock_get_variable[device2_id] = device2
+
+    # Create sensors with same name on different devices
+    sensor1 = MockObj("sensor1")
+    sensor2 = MockObj("sensor2")
+
+    config1 = {
+        CONF_NAME: "Temperature",
+        CONF_DEVICE_ID: device1_id,
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+
+    config2 = {
+        CONF_NAME: "Temperature",
+        CONF_DEVICE_ID: device2_id,
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+
+    # Get object IDs
+    object_ids: list[str] = []
+    for var, config in [(sensor1, config1), (sensor2, config2)]:
+        added_expressions.clear()
+        await setup_entity(var, config, "sensor")
+        object_id = extract_object_id_from_expressions(added_expressions)
+        object_ids.append(object_id)
+
+    # Both should get base object ID without suffix (different devices)
+    assert object_ids[0] == "temperature"
+    assert object_ids[1] == "temperature"
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_empty_name(setup_test_environment: list[str]) -> None:
+    """Test setup_entity with empty entity name."""
+
+    added_expressions = setup_test_environment
+
+    var = MockObj("sensor1")
+
+    config = {
+        CONF_NAME: "",
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+
+    await setup_entity(var, config, "sensor")
+
+    object_id = extract_object_id_from_expressions(added_expressions)
+    # Should use friendly name
+    assert object_id == "test_device"
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_special_characters(
+    setup_test_environment: list[str],
+) -> None:
+    """Test setup_entity with names containing special characters."""
+
+    added_expressions = setup_test_environment
+
+    var = MockObj("sensor1")
+
+    config = {
+        CONF_NAME: "Temperature Sensor!",
+        CONF_DISABLED_BY_DEFAULT: False,
+    }
+
+    await setup_entity(var, config, "sensor")
+    object_id = extract_object_id_from_expressions(added_expressions)
+
+    # Special characters should be sanitized
+    assert object_id == "temperature_sensor_"
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_with_icon(setup_test_environment: list[str]) -> None:
+    """Test setup_entity sets icon correctly."""
+
+    added_expressions = setup_test_environment
+
+    var = MockObj("sensor1")
+
+    config = {
+        CONF_NAME: "Temperature",
+        CONF_DISABLED_BY_DEFAULT: False,
+        CONF_ICON: "mdi:thermometer",
+    }
+
+    await setup_entity(var, config, "sensor")
+
+    # Check icon was set
+    assert any(
+        'sensor1.set_icon("mdi:thermometer")' in expr for expr in added_expressions
+    )
+
+
+@pytest.mark.asyncio
+async def test_setup_entity_disabled_by_default(
+    setup_test_environment: list[str],
+) -> None:
+    """Test setup_entity sets disabled_by_default correctly."""
+
+    added_expressions = setup_test_environment
+
+    var = MockObj("sensor1")
+
+    config = {
+        CONF_NAME: "Temperature",
+        CONF_DISABLED_BY_DEFAULT: True,
+    }
+
+    await setup_entity(var, config, "sensor")
+
+    # Check disabled_by_default was set
+    assert any(
+        "sensor1.set_disabled_by_default(true)" in expr for expr in added_expressions
+    )
+
+
+def test_entity_duplicate_validator() -> None:
+    """Test the entity_duplicate_validator function."""
+    from esphome.core.entity_helpers import entity_duplicate_validator
+
+    # Reset CORE unique_ids for clean test
+    CORE.unique_ids.clear()
+
+    # Create validator for sensor platform
+    validator = entity_duplicate_validator("sensor")
+
+    # First entity should pass
+    config1 = {CONF_NAME: "Temperature"}
+    validated1 = validator(config1)
+    assert validated1 == config1
+    assert ("", "sensor", "temperature") in CORE.unique_ids
+
+    # Second entity with different name should pass
+    config2 = {CONF_NAME: "Humidity"}
+    validated2 = validator(config2)
+    assert validated2 == config2
+    assert ("", "sensor", "humidity") in CORE.unique_ids
+
+    # Duplicate entity should fail
+    config3 = {CONF_NAME: "Temperature"}
+    with pytest.raises(
+        Invalid, match=r"Duplicate sensor entity with name 'Temperature' found"
+    ):
+        validator(config3)
+
+
+def test_entity_duplicate_validator_with_devices() -> None:
+    """Test entity_duplicate_validator with devices."""
+    from esphome.core.entity_helpers import entity_duplicate_validator
+
+    # Reset CORE unique_ids for clean test
+    CORE.unique_ids.clear()
+
+    # Create validator for sensor platform
+    validator = entity_duplicate_validator("sensor")
+
+    # Create mock device IDs
+    device1 = ID("device1", type="Device")
+    device2 = ID("device2", type="Device")
+
+    # Same name on different devices should pass
+    config1 = {CONF_NAME: "Temperature", CONF_DEVICE_ID: device1}
+    validated1 = validator(config1)
+    assert validated1 == config1
+    assert ("device1", "sensor", "temperature") in CORE.unique_ids
+
+    config2 = {CONF_NAME: "Temperature", CONF_DEVICE_ID: device2}
+    validated2 = validator(config2)
+    assert validated2 == config2
+    assert ("device2", "sensor", "temperature") in CORE.unique_ids
+
+    # Duplicate on same device should fail
+    config3 = {CONF_NAME: "Temperature", CONF_DEVICE_ID: device1}
+    with pytest.raises(
+        Invalid,
+        match=r"Duplicate sensor entity with name 'Temperature' found on device 'device1'",
+    ):
+        validator(config3)
+
+
+def test_duplicate_entity_yaml_validation(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test that duplicate entity names are caught during YAML config validation."""
+    result = load_config_from_fixture(yaml_file, "duplicate_entity.yaml", FIXTURES_DIR)
+    assert result is None
+
+    # Check for the duplicate entity error message
+    captured = capsys.readouterr()
+    assert "Duplicate sensor entity with name 'Temperature' found" in captured.out
+
+
+def test_duplicate_entity_with_devices_yaml_validation(
+    yaml_file: Callable[[str], str], capsys: pytest.CaptureFixture[str]
+) -> None:
+    """Test duplicate entity validation with devices."""
+    result = load_config_from_fixture(
+        yaml_file, "duplicate_entity_with_devices.yaml", FIXTURES_DIR
+    )
+    assert result is None
+
+    # Check for the duplicate entity error message with device
+    captured = capsys.readouterr()
+    assert (
+        "Duplicate sensor entity with name 'Temperature' found on device 'device1'"
+        in captured.out
+    )
+
+
+def test_entity_different_platforms_yaml_validation(
+    yaml_file: Callable[[str], str],
+) -> None:
+    """Test that same entity name on different platforms is allowed."""
+    result = load_config_from_fixture(
+        yaml_file, "entity_different_platforms.yaml", FIXTURES_DIR
+    )
+    # This should succeed
+    assert result is not None
diff --git a/tests/unit_tests/fixtures/core/config/area_id_collision.yaml b/tests/unit_tests/fixtures/core/config/area_id_collision.yaml
new file mode 100644
index 0000000000..fb2e930e61
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/area_id_collision.yaml
@@ -0,0 +1,10 @@
+esphome:
+  name: test-collision
+  area:
+    id: duplicate_id
+    name: Area 1
+  areas:
+    - id: duplicate_id
+      name: Area 2
+
+host:
diff --git a/tests/unit_tests/fixtures/core/config/area_id_hash_collision.yaml b/tests/unit_tests/fixtures/core/config/area_id_hash_collision.yaml
new file mode 100644
index 0000000000..3a2e8ab8a9
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/area_id_hash_collision.yaml
@@ -0,0 +1,10 @@
+esphome:
+  name: test
+  areas:
+    - id: test_2258
+      name: "Area 1"
+    - id: d6ka
+      name: "Area 2"
+
+esp32:
+  board: esp32dev
diff --git a/tests/unit_tests/fixtures/core/config/device_duplicate_id.yaml b/tests/unit_tests/fixtures/core/config/device_duplicate_id.yaml
new file mode 100644
index 0000000000..2aa3055686
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/device_duplicate_id.yaml
@@ -0,0 +1,10 @@
+esphome:
+  name: test
+  devices:
+    - id: duplicate_device
+      name: "Device 1"
+    - id: duplicate_device
+      name: "Device 2"
+
+esp32:
+  board: esp32dev
diff --git a/tests/unit_tests/fixtures/core/config/device_id_collision.yaml b/tests/unit_tests/fixtures/core/config/device_id_collision.yaml
new file mode 100644
index 0000000000..9cf04e0595
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/device_id_collision.yaml
@@ -0,0 +1,10 @@
+esphome:
+  name: test
+  devices:
+    - id: test_2258
+      name: "Device 1"
+    - id: d6ka
+      name: "Device 2"
+
+esp32:
+  board: esp32dev
diff --git a/tests/unit_tests/fixtures/core/config/device_invalid_area.yaml b/tests/unit_tests/fixtures/core/config/device_invalid_area.yaml
new file mode 100644
index 0000000000..9a8ec0a1eb
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/device_invalid_area.yaml
@@ -0,0 +1,12 @@
+esphome:
+  name: test
+  areas:
+    - id: valid_area
+      name: "Valid Area"
+  devices:
+    - id: test_device
+      name: "Test Device"
+      area_id: nonexistent_area
+
+esp32:
+  board: esp32dev
diff --git a/tests/unit_tests/fixtures/core/config/device_without_area.yaml b/tests/unit_tests/fixtures/core/config/device_without_area.yaml
new file mode 100644
index 0000000000..8464cf37df
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/device_without_area.yaml
@@ -0,0 +1,7 @@
+esphome:
+  name: test-device-no-area
+  devices:
+    - id: test_device
+      name: Test Device
+
+host:
diff --git a/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml b/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
new file mode 100644
index 0000000000..fe2dc3db17
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
@@ -0,0 +1,5 @@
+esphome:
+  name: test-legacy-area
+  area: Living Room
+
+host:
diff --git a/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml b/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
new file mode 100644
index 0000000000..ef3b4f6e67
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
@@ -0,0 +1,22 @@
+esphome:
+  name: test-multiple
+  area:
+    id: main_area
+    name: Main Area
+  areas:
+    - id: area1
+      name: Area 1
+    - id: area2
+      name: Area 2
+  devices:
+    - id: device1
+      name: Device 1
+      area_id: main_area
+    - id: device2
+      name: Device 2
+      area_id: area1
+    - id: device3
+      name: Device 3
+      area_id: area2
+
+host:
diff --git a/tests/unit_tests/fixtures/core/config/valid_area_device.yaml b/tests/unit_tests/fixtures/core/config/valid_area_device.yaml
new file mode 100644
index 0000000000..fc97894586
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/config/valid_area_device.yaml
@@ -0,0 +1,11 @@
+esphome:
+  name: test-valid-area
+  areas:
+    - id: bedroom_area
+      name: Bedroom
+  devices:
+    - id: test_device
+      name: Test Device
+      area_id: bedroom_area
+
+host:
diff --git a/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity.yaml b/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity.yaml
new file mode 100644
index 0000000000..2a8dad66c9
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity.yaml
@@ -0,0 +1,13 @@
+esphome:
+  name: test-duplicate
+
+esp32:
+  board: esp32dev
+
+sensor:
+  - platform: template
+    name: "Temperature"
+    lambda: return 21.0;
+  - platform: template
+    name: "Temperature"  # Duplicate - should fail
+    lambda: return 22.0;
diff --git a/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity_with_devices.yaml b/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity_with_devices.yaml
new file mode 100644
index 0000000000..42e16231a5
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/entity_helpers/duplicate_entity_with_devices.yaml
@@ -0,0 +1,26 @@
+esphome:
+  name: test-duplicate-devices
+  devices:
+    - id: device1
+      name: "Device 1"
+    - id: device2
+      name: "Device 2"
+
+esp32:
+  board: esp32dev
+
+sensor:
+  # Same name on different devices - should pass
+  - platform: template
+    device_id: device1
+    name: "Temperature"
+    lambda: return 21.0;
+  - platform: template
+    device_id: device2
+    name: "Temperature"
+    lambda: return 22.0;
+  # Duplicate on same device - should fail
+  - platform: template
+    device_id: device1
+    name: "Temperature"
+    lambda: return 23.0;
diff --git a/tests/unit_tests/fixtures/core/entity_helpers/entity_different_platforms.yaml b/tests/unit_tests/fixtures/core/entity_helpers/entity_different_platforms.yaml
new file mode 100644
index 0000000000..00181c52c4
--- /dev/null
+++ b/tests/unit_tests/fixtures/core/entity_helpers/entity_different_platforms.yaml
@@ -0,0 +1,20 @@
+esphome:
+  name: test-different-platforms
+
+esp32:
+  board: esp32dev
+
+sensor:
+  - platform: template
+    name: "Status"
+    lambda: return 1.0;
+
+binary_sensor:
+  - platform: template
+    name: "Status"  # Same name, different platform - should pass
+    lambda: return true;
+
+text_sensor:
+  - platform: template
+    name: "Status"  # Same name, different platform - should pass
+    lambda: return {"OK"};

From f35be6b5ccae002e1b839cbc7d1bf386fe24dada Mon Sep 17 00:00:00 2001
From: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
Date: Wed, 25 Jun 2025 22:09:43 +1000
Subject: [PATCH 12/12] [binary_sensor] Add timeout filter (#9198)

---
 esphome/components/binary_sensor/__init__.py | 14 +++++++++++
 esphome/components/binary_sensor/filter.cpp  |  6 +++++
 esphome/components/binary_sensor/filter.h    | 12 +++++++++-
 tests/components/binary_sensor/common.yaml   | 25 ++++++++++++++++++++
 4 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/esphome/components/binary_sensor/__init__.py b/esphome/components/binary_sensor/__init__.py
index fd9551b850..c97de6d5e5 100644
--- a/esphome/components/binary_sensor/__init__.py
+++ b/esphome/components/binary_sensor/__init__.py
@@ -148,6 +148,7 @@ BinarySensorCondition = binary_sensor_ns.class_("BinarySensorCondition", Conditi
 
 # Filters
 Filter = binary_sensor_ns.class_("Filter")
+TimeoutFilter = binary_sensor_ns.class_("TimeoutFilter", Filter, cg.Component)
 DelayedOnOffFilter = binary_sensor_ns.class_("DelayedOnOffFilter", Filter, cg.Component)
 DelayedOnFilter = binary_sensor_ns.class_("DelayedOnFilter", Filter, cg.Component)
 DelayedOffFilter = binary_sensor_ns.class_("DelayedOffFilter", Filter, cg.Component)
@@ -171,6 +172,19 @@ async def invert_filter_to_code(config, filter_id):
     return cg.new_Pvariable(filter_id)
 
 
+@register_filter(
+    "timeout",
+    TimeoutFilter,
+    cv.templatable(cv.positive_time_period_milliseconds),
+)
+async def timeout_filter_to_code(config, filter_id):
+    var = cg.new_Pvariable(filter_id)
+    await cg.register_component(var, {})
+    template_ = await cg.templatable(config, [], cg.uint32)
+    cg.add(var.set_timeout_value(template_))
+    return var
+
+
 @register_filter(
     "delayed_on_off",
     DelayedOnOffFilter,
diff --git a/esphome/components/binary_sensor/filter.cpp b/esphome/components/binary_sensor/filter.cpp
index 41d0553b35..3567e9c72b 100644
--- a/esphome/components/binary_sensor/filter.cpp
+++ b/esphome/components/binary_sensor/filter.cpp
@@ -25,6 +25,12 @@ void Filter::input(bool value) {
   }
 }
 
+void TimeoutFilter::input(bool value) {
+  this->set_timeout("timeout", this->timeout_delay_.value(), [this]() { this->parent_->invalidate_state(); });
+  // we do not de-dup here otherwise changes from invalid to valid state will not be output
+  this->output(value);
+}
+
 optional<bool> DelayedOnOffFilter::new_value(bool value) {
   if (value) {
     this->set_timeout("ON_OFF", this->on_delay_.value(), [this]() { this->output(true); });
diff --git a/esphome/components/binary_sensor/filter.h b/esphome/components/binary_sensor/filter.h
index 65838da49d..16f44aa5fe 100644
--- a/esphome/components/binary_sensor/filter.h
+++ b/esphome/components/binary_sensor/filter.h
@@ -16,7 +16,7 @@ class Filter {
  public:
   virtual optional<bool> new_value(bool value) = 0;
 
-  void input(bool value);
+  virtual void input(bool value);
 
   void output(bool value);
 
@@ -28,6 +28,16 @@ class Filter {
   Deduplicator<bool> dedup_;
 };
 
+class TimeoutFilter : public Filter, public Component {
+ public:
+  optional<bool> new_value(bool value) override { return value; }
+  void input(bool value) override;
+  template<typename T> void set_timeout_value(T timeout) { this->timeout_delay_ = timeout; }
+
+ protected:
+  TemplatableValue<uint32_t> timeout_delay_{};
+};
+
 class DelayedOnOffFilter : public Filter, public Component {
  public:
   optional<bool> new_value(bool value) override;
diff --git a/tests/components/binary_sensor/common.yaml b/tests/components/binary_sensor/common.yaml
index 148b7d2405..2b4a006352 100644
--- a/tests/components/binary_sensor/common.yaml
+++ b/tests/components/binary_sensor/common.yaml
@@ -4,6 +4,31 @@ binary_sensor:
     id: some_binary_sensor
     name: "Random binary"
     lambda: return (random_uint32() & 1) == 0;
+    filters:
+      - invert:
+      - delayed_on: 100ms
+      - delayed_off: 100ms
+      # Templated, delays for 1s (1000ms) only if a reed switch is active
+      - delayed_on_off: !lambda "return 1000;"
+      - delayed_on_off:
+          time_on: 10s
+          time_off: !lambda "return 1000;"
+      - autorepeat:
+          - delay: 1s
+            time_off: 100ms
+            time_on: 900ms
+          - delay: 5s
+            time_off: 100ms
+            time_on: 400ms
+      - lambda: |-
+          if (id(some_binary_sensor).state) {
+            return x;
+          } else {
+            return {};
+          }
+      - settle: 100ms
+      - timeout: 10s
+
     on_state_change:
       then:
         - logger.log: