diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index cdeabb5cac..64abcf2e26 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -281,23 +281,34 @@ uint16_t APIConnection::encode_message_to_buffer(ProtoMessage &msg, uint8_t mess
   const uint8_t header_padding = conn->helper_->frame_header_padding();
   const uint8_t footer_size = conn->helper_->frame_footer_size();
 
-  // Calculate total size with padding for buffer allocation
-  size_t total_calculated_size = calculated_size + header_padding + footer_size;
+  // Calculate total size with padding
+  size_t total_size = calculated_size + header_padding + footer_size;
 
   // Check if it fits
-  if (total_calculated_size > remaining_size) {
+  if (total_size > remaining_size) {
     return 0;  // Doesn't fit
   }
 
-  // Allocate buffer space - pass payload size, allocation functions add header/footer space
-  ProtoWriteBuffer buffer = is_single ? conn->allocate_single_message_buffer(calculated_size)
-                                      : conn->allocate_batch_message_buffer(calculated_size);
-
-  // Get buffer size after allocation (which includes header padding)
+  // Get buffer and prepare it inline
   std::vector<uint8_t> &shared_buf = conn->parent_->get_shared_buffer_ref();
-  size_t size_before_encode = shared_buf.size();
+
+  if (is_single || conn->flags_.batch_first_message) {
+    // Single message or first batch message
+    conn->prepare_first_message_buffer(shared_buf, header_padding, total_size);
+    if (conn->flags_.batch_first_message) {
+      conn->flags_.batch_first_message = false;
+    }
+  } else {
+    // Batch message second or later
+    // Add padding for previous message footer + this message header
+    size_t current_size = shared_buf.size();
+    shared_buf.reserve(current_size + total_size);
+    shared_buf.resize(current_size + footer_size + header_padding);
+  }
 
   // Encode directly into buffer
+  ProtoWriteBuffer buffer{&shared_buf};
+  size_t size_before_encode = shared_buf.size();
   msg.encode(buffer);
 
   // Calculate actual encoded size (not including header that was already added)
@@ -1620,14 +1631,6 @@ bool APIConnection::schedule_batch_() {
   return true;
 }
 
-ProtoWriteBuffer APIConnection::allocate_single_message_buffer(uint16_t size) { return this->create_buffer(size); }
-
-ProtoWriteBuffer APIConnection::allocate_batch_message_buffer(uint16_t size) {
-  ProtoWriteBuffer result = this->prepare_message_buffer(size, this->flags_.batch_first_message);
-  this->flags_.batch_first_message = false;
-  return result;
-}
-
 void APIConnection::process_batch_() {
   // Ensure PacketInfo remains trivially destructible for our placement new approach
   static_assert(std::is_trivially_destructible<PacketInfo>::value,
@@ -1735,7 +1738,7 @@ void APIConnection::process_batch_() {
     }
     remaining_size -= payload_size;
     // Calculate where the next message's header padding will start
-    // Current buffer size + footer space (that prepare_message_buffer will add for this message)
+    // Current buffer size + footer space for this message
     current_offset = shared_buf.size() + footer_size;
   }
 
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index f0f308c248..076dccfad7 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -252,44 +252,21 @@ class APIConnection : public APIServerConnection {
 
     // Get header padding size - used for both reserve and insert
     uint8_t header_padding = this->helper_->frame_header_padding();
-
     // Get shared buffer from parent server
     std::vector<uint8_t> &shared_buf = this->parent_->get_shared_buffer_ref();
+    this->prepare_first_message_buffer(shared_buf, header_padding,
+                                       reserve_size + header_padding + this->helper_->frame_footer_size());
+    return {&shared_buf};
+  }
+
+  void prepare_first_message_buffer(std::vector<uint8_t> &shared_buf, size_t header_padding, size_t total_size) {
     shared_buf.clear();
     // Reserve space for header padding + message + footer
     // - Header padding: space for protocol headers (7 bytes for Noise, 6 for Plaintext)
     // - Footer: space for MAC (16 bytes for Noise, 0 for Plaintext)
-    shared_buf.reserve(reserve_size + header_padding + this->helper_->frame_footer_size());
+    shared_buf.reserve(total_size);
     // Resize to add header padding so message encoding starts at the correct position
     shared_buf.resize(header_padding);
-    return {&shared_buf};
-  }
-
-  // Prepare buffer for next message in batch
-  ProtoWriteBuffer prepare_message_buffer(uint16_t message_size, bool is_first_message) {
-    // Get reference to shared buffer (it maintains state between batch messages)
-    std::vector<uint8_t> &shared_buf = this->parent_->get_shared_buffer_ref();
-
-    if (is_first_message) {
-      shared_buf.clear();
-    }
-
-    size_t current_size = shared_buf.size();
-
-    // Calculate padding to add:
-    // - First message: just header padding
-    // - Subsequent messages: footer for previous message + header padding for this message
-    size_t padding_to_add = is_first_message
-                                ? this->helper_->frame_header_padding()
-                                : this->helper_->frame_header_padding() + this->helper_->frame_footer_size();
-
-    // Reserve space for padding + message
-    shared_buf.reserve(current_size + padding_to_add + message_size);
-
-    // Resize to add the padding bytes
-    shared_buf.resize(current_size + padding_to_add);
-
-    return {&shared_buf};
   }
 
   bool try_to_clear_buffer(bool log_out_of_space);
@@ -297,10 +274,6 @@ class APIConnection : public APIServerConnection {
 
   std::string get_client_combined_info() const { return this->client_info_.get_combined_info(); }
 
-  // Buffer allocator methods for batch processing
-  ProtoWriteBuffer allocate_single_message_buffer(uint16_t size);
-  ProtoWriteBuffer allocate_batch_message_buffer(uint16_t size);
-
  protected:
   // Helper function to handle authentication completion
   void complete_authentication_();
diff --git a/esphome/components/espnow/espnow_component.cpp b/esphome/components/espnow/espnow_component.cpp
index 82f8e3230e..b0d5938dba 100644
--- a/esphome/components/espnow/espnow_component.cpp
+++ b/esphome/components/espnow/espnow_component.cpp
@@ -208,11 +208,11 @@ void ESPNowComponent::enable_() {
   esp_wifi_connectionless_module_set_wake_interval(CONFIG_ESPNOW_WAKE_INTERVAL);
 #endif
 
+  this->state_ = ESPNOW_STATE_ENABLED;
+
   for (auto peer : this->peers_) {
     this->add_peer(peer.address);
   }
-
-  this->state_ = ESPNOW_STATE_ENABLED;
 }
 
 void ESPNowComponent::disable() {
@@ -407,7 +407,7 @@ esp_err_t ESPNowComponent::add_peer(const uint8_t *peer) {
   }
 
   if (memcmp(peer, this->own_address_, ESP_NOW_ETH_ALEN) == 0) {
-    this->mark_failed();
+    this->status_momentary_warning("peer-add-failed");
     return ESP_ERR_INVALID_MAC;
   }
 
diff --git a/esphome/components/psram/__init__.py b/esphome/components/psram/__init__.py
index fd7e70a055..b5c87ae5a8 100644
--- a/esphome/components/psram/__init__.py
+++ b/esphome/components/psram/__init__.py
@@ -16,6 +16,7 @@ from esphome.components.esp32.const import (
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ADVANCED,
+    CONF_DISABLED,
     CONF_FRAMEWORK,
     CONF_ID,
     CONF_MODE,
@@ -102,6 +103,7 @@ def get_config_schema(config):
             cv.Optional(CONF_MODE, default=modes[0]): cv.one_of(*modes, lower=True),
             cv.Optional(CONF_ENABLE_ECC, default=False): cv.boolean,
             cv.Optional(CONF_SPEED, default=speeds[0]): cv.one_of(*speeds, upper=True),
+            cv.Optional(CONF_DISABLED, default=False): cv.boolean,
         }
     )(config)
 
@@ -112,6 +114,8 @@ FINAL_VALIDATE_SCHEMA = validate_psram_mode
 
 
 async def to_code(config):
+    if config[CONF_DISABLED]:
+        return
     if CORE.using_arduino:
         cg.add_build_flag("-DBOARD_HAS_PSRAM")
         if config[CONF_MODE] == TYPE_OCTAL:
diff --git a/esphome/components/qmp6988/qmp6988.cpp b/esphome/components/qmp6988/qmp6988.cpp
index 6c22150f4f..61fde186d7 100644
--- a/esphome/components/qmp6988/qmp6988.cpp
+++ b/esphome/components/qmp6988/qmp6988.cpp
@@ -18,14 +18,6 @@ static const uint8_t QMP6988_TEMPERATURE_MSB_REG = 0xFA; /* Temperature MSB Reg
 static const uint8_t QMP6988_CALIBRATION_DATA_START = 0xA0; /* QMP6988 compensation coefficients */
 static const uint8_t QMP6988_CALIBRATION_DATA_LENGTH = 25;
 
-static const uint8_t SHIFT_RIGHT_4_POSITION = 4;
-static const uint8_t SHIFT_LEFT_2_POSITION = 2;
-static const uint8_t SHIFT_LEFT_4_POSITION = 4;
-static const uint8_t SHIFT_LEFT_5_POSITION = 5;
-static const uint8_t SHIFT_LEFT_8_POSITION = 8;
-static const uint8_t SHIFT_LEFT_12_POSITION = 12;
-static const uint8_t SHIFT_LEFT_16_POSITION = 16;
-
 /* power mode */
 static const uint8_t QMP6988_SLEEP_MODE = 0x00;
 static const uint8_t QMP6988_FORCED_MODE = 0x01;
@@ -95,64 +87,45 @@ static const char *iir_filter_to_str(QMP6988IIRFilter filter) {
 }
 
 bool QMP6988Component::device_check_() {
-  uint8_t ret = 0;
-
-  ret = this->read_register(QMP6988_CHIP_ID_REG, &(qmp6988_data_.chip_id), 1);
-  if (ret != i2c::ERROR_OK) {
-    ESP_LOGE(TAG, "%s: read chip ID (0xD1) failed", __func__);
+  if (this->read_register(QMP6988_CHIP_ID_REG, &(qmp6988_data_.chip_id), 1) != i2c::ERROR_OK) {
+    ESP_LOGE(TAG, "Read chip ID (0xD1) failed");
+    return false;
   }
-  ESP_LOGD(TAG, "qmp6988 read chip id = 0x%x", qmp6988_data_.chip_id);
+  ESP_LOGV(TAG, "Read chip ID = 0x%x", qmp6988_data_.chip_id);
 
   return qmp6988_data_.chip_id == QMP6988_CHIP_ID;
 }
 
 bool QMP6988Component::get_calibration_data_() {
-  uint8_t status = 0;
   // BITFIELDS temp_COE;
   uint8_t a_data_uint8_tr[QMP6988_CALIBRATION_DATA_LENGTH] = {0};
-  int len;
 
-  for (len = 0; len < QMP6988_CALIBRATION_DATA_LENGTH; len += 1) {
-    status = this->read_register(QMP6988_CALIBRATION_DATA_START + len, &a_data_uint8_tr[len], 1);
-    if (status != i2c::ERROR_OK) {
-      ESP_LOGE(TAG, "qmp6988 read calibration data (0xA0) error!");
+  for (uint8_t len = 0; len < QMP6988_CALIBRATION_DATA_LENGTH; len += 1) {
+    if (this->read_register(QMP6988_CALIBRATION_DATA_START + len, &a_data_uint8_tr[len], 1) != i2c::ERROR_OK) {
+      ESP_LOGE(TAG, "Read calibration data (0xA0) error");
       return false;
     }
   }
 
   qmp6988_data_.qmp6988_cali.COE_a0 =
-      (QMP6988_S32_t) (((a_data_uint8_tr[18] << SHIFT_LEFT_12_POSITION) |
-                        (a_data_uint8_tr[19] << SHIFT_LEFT_4_POSITION) | (a_data_uint8_tr[24] & 0x0f))
-                       << 12);
+      (int32_t) encode_uint32(a_data_uint8_tr[18], a_data_uint8_tr[19], (a_data_uint8_tr[24] & 0x0f) << 4, 0);
   qmp6988_data_.qmp6988_cali.COE_a0 = qmp6988_data_.qmp6988_cali.COE_a0 >> 12;
 
-  qmp6988_data_.qmp6988_cali.COE_a1 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[20]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[21]);
-  qmp6988_data_.qmp6988_cali.COE_a2 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[22]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[23]);
+  qmp6988_data_.qmp6988_cali.COE_a1 = (int16_t) encode_uint16(a_data_uint8_tr[20], a_data_uint8_tr[21]);
+  qmp6988_data_.qmp6988_cali.COE_a2 = (int16_t) encode_uint16(a_data_uint8_tr[22], a_data_uint8_tr[23]);
 
   qmp6988_data_.qmp6988_cali.COE_b00 =
-      (QMP6988_S32_t) (((a_data_uint8_tr[0] << SHIFT_LEFT_12_POSITION) | (a_data_uint8_tr[1] << SHIFT_LEFT_4_POSITION) |
-                        ((a_data_uint8_tr[24] & 0xf0) >> SHIFT_RIGHT_4_POSITION))
-                       << 12);
+      (int32_t) encode_uint32(a_data_uint8_tr[0], a_data_uint8_tr[1], a_data_uint8_tr[24] & 0xf0, 0);
   qmp6988_data_.qmp6988_cali.COE_b00 = qmp6988_data_.qmp6988_cali.COE_b00 >> 12;
 
-  qmp6988_data_.qmp6988_cali.COE_bt1 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[2]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[3]);
-  qmp6988_data_.qmp6988_cali.COE_bt2 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[4]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[5]);
-  qmp6988_data_.qmp6988_cali.COE_bp1 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[6]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[7]);
-  qmp6988_data_.qmp6988_cali.COE_b11 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[8]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[9]);
-  qmp6988_data_.qmp6988_cali.COE_bp2 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[10]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[11]);
-  qmp6988_data_.qmp6988_cali.COE_b12 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[12]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[13]);
-  qmp6988_data_.qmp6988_cali.COE_b21 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[14]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[15]);
-  qmp6988_data_.qmp6988_cali.COE_bp3 =
-      (QMP6988_S16_t) (((a_data_uint8_tr[16]) << SHIFT_LEFT_8_POSITION) | a_data_uint8_tr[17]);
+  qmp6988_data_.qmp6988_cali.COE_bt1 = (int16_t) encode_uint16(a_data_uint8_tr[2], a_data_uint8_tr[3]);
+  qmp6988_data_.qmp6988_cali.COE_bt2 = (int16_t) encode_uint16(a_data_uint8_tr[4], a_data_uint8_tr[5]);
+  qmp6988_data_.qmp6988_cali.COE_bp1 = (int16_t) encode_uint16(a_data_uint8_tr[6], a_data_uint8_tr[7]);
+  qmp6988_data_.qmp6988_cali.COE_b11 = (int16_t) encode_uint16(a_data_uint8_tr[8], a_data_uint8_tr[9]);
+  qmp6988_data_.qmp6988_cali.COE_bp2 = (int16_t) encode_uint16(a_data_uint8_tr[10], a_data_uint8_tr[11]);
+  qmp6988_data_.qmp6988_cali.COE_b12 = (int16_t) encode_uint16(a_data_uint8_tr[12], a_data_uint8_tr[13]);
+  qmp6988_data_.qmp6988_cali.COE_b21 = (int16_t) encode_uint16(a_data_uint8_tr[14], a_data_uint8_tr[15]);
+  qmp6988_data_.qmp6988_cali.COE_bp3 = (int16_t) encode_uint16(a_data_uint8_tr[16], a_data_uint8_tr[17]);
 
   ESP_LOGV(TAG, "<-----------calibration data-------------->\r\n");
   ESP_LOGV(TAG, "COE_a0[%d] COE_a1[%d] COE_a2[%d] COE_b00[%d]\r\n", qmp6988_data_.qmp6988_cali.COE_a0,
@@ -166,17 +139,17 @@ bool QMP6988Component::get_calibration_data_() {
   qmp6988_data_.ik.a0 = qmp6988_data_.qmp6988_cali.COE_a0;    // 20Q4
   qmp6988_data_.ik.b00 = qmp6988_data_.qmp6988_cali.COE_b00;  // 20Q4
 
-  qmp6988_data_.ik.a1 = 3608L * (QMP6988_S32_t) qmp6988_data_.qmp6988_cali.COE_a1 - 1731677965L;  // 31Q23
-  qmp6988_data_.ik.a2 = 16889L * (QMP6988_S32_t) qmp6988_data_.qmp6988_cali.COE_a2 - 87619360L;   // 30Q47
+  qmp6988_data_.ik.a1 = 3608L * (int32_t) qmp6988_data_.qmp6988_cali.COE_a1 - 1731677965L;  // 31Q23
+  qmp6988_data_.ik.a2 = 16889L * (int32_t) qmp6988_data_.qmp6988_cali.COE_a2 - 87619360L;   // 30Q47
 
-  qmp6988_data_.ik.bt1 = 2982L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bt1 + 107370906L;    // 28Q15
-  qmp6988_data_.ik.bt2 = 329854L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bt2 + 108083093L;  // 34Q38
-  qmp6988_data_.ik.bp1 = 19923L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp1 + 1133836764L;  // 31Q20
-  qmp6988_data_.ik.b11 = 2406L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b11 + 118215883L;    // 28Q34
-  qmp6988_data_.ik.bp2 = 3079L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp2 - 181579595L;    // 29Q43
-  qmp6988_data_.ik.b12 = 6846L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b12 + 85590281L;     // 29Q53
-  qmp6988_data_.ik.b21 = 13836L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_b21 + 79333336L;    // 29Q60
-  qmp6988_data_.ik.bp3 = 2915L * (QMP6988_S64_t) qmp6988_data_.qmp6988_cali.COE_bp3 + 157155561L;    // 28Q65
+  qmp6988_data_.ik.bt1 = 2982L * (int64_t) qmp6988_data_.qmp6988_cali.COE_bt1 + 107370906L;    // 28Q15
+  qmp6988_data_.ik.bt2 = 329854L * (int64_t) qmp6988_data_.qmp6988_cali.COE_bt2 + 108083093L;  // 34Q38
+  qmp6988_data_.ik.bp1 = 19923L * (int64_t) qmp6988_data_.qmp6988_cali.COE_bp1 + 1133836764L;  // 31Q20
+  qmp6988_data_.ik.b11 = 2406L * (int64_t) qmp6988_data_.qmp6988_cali.COE_b11 + 118215883L;    // 28Q34
+  qmp6988_data_.ik.bp2 = 3079L * (int64_t) qmp6988_data_.qmp6988_cali.COE_bp2 - 181579595L;    // 29Q43
+  qmp6988_data_.ik.b12 = 6846L * (int64_t) qmp6988_data_.qmp6988_cali.COE_b12 + 85590281L;     // 29Q53
+  qmp6988_data_.ik.b21 = 13836L * (int64_t) qmp6988_data_.qmp6988_cali.COE_b21 + 79333336L;    // 29Q60
+  qmp6988_data_.ik.bp3 = 2915L * (int64_t) qmp6988_data_.qmp6988_cali.COE_bp3 + 157155561L;    // 28Q65
   ESP_LOGV(TAG, "<----------- int calibration data -------------->\r\n");
   ESP_LOGV(TAG, "a0[%d] a1[%d] a2[%d] b00[%d]\r\n", qmp6988_data_.ik.a0, qmp6988_data_.ik.a1, qmp6988_data_.ik.a2,
            qmp6988_data_.ik.b00);
@@ -188,55 +161,55 @@ bool QMP6988Component::get_calibration_data_() {
   return true;
 }
 
-QMP6988_S16_t QMP6988Component::get_compensated_temperature_(qmp6988_ik_data_t *ik, QMP6988_S32_t dt) {
-  QMP6988_S16_t ret;
-  QMP6988_S64_t wk1, wk2;
+int16_t QMP6988Component::get_compensated_temperature_(qmp6988_ik_data_t *ik, int32_t dt) {
+  int16_t ret;
+  int64_t wk1, wk2;
 
   // wk1: 60Q4 // bit size
-  wk1 = ((QMP6988_S64_t) ik->a1 * (QMP6988_S64_t) dt);        // 31Q23+24-1=54 (54Q23)
-  wk2 = ((QMP6988_S64_t) ik->a2 * (QMP6988_S64_t) dt) >> 14;  // 30Q47+24-1=53 (39Q33)
-  wk2 = (wk2 * (QMP6988_S64_t) dt) >> 10;                     // 39Q33+24-1=62 (52Q23)
-  wk2 = ((wk1 + wk2) / 32767) >> 19;                          // 54,52->55Q23 (20Q04)
-  ret = (QMP6988_S16_t) ((ik->a0 + wk2) >> 4);                // 21Q4 -> 17Q0
+  wk1 = ((int64_t) ik->a1 * (int64_t) dt);        // 31Q23+24-1=54 (54Q23)
+  wk2 = ((int64_t) ik->a2 * (int64_t) dt) >> 14;  // 30Q47+24-1=53 (39Q33)
+  wk2 = (wk2 * (int64_t) dt) >> 10;               // 39Q33+24-1=62 (52Q23)
+  wk2 = ((wk1 + wk2) / 32767) >> 19;              // 54,52->55Q23 (20Q04)
+  ret = (int16_t) ((ik->a0 + wk2) >> 4);          // 21Q4 -> 17Q0
   return ret;
 }
 
-QMP6988_S32_t QMP6988Component::get_compensated_pressure_(qmp6988_ik_data_t *ik, QMP6988_S32_t dp, QMP6988_S16_t tx) {
-  QMP6988_S32_t ret;
-  QMP6988_S64_t wk1, wk2, wk3;
+int32_t QMP6988Component::get_compensated_pressure_(qmp6988_ik_data_t *ik, int32_t dp, int16_t tx) {
+  int32_t ret;
+  int64_t wk1, wk2, wk3;
 
   // wk1 = 48Q16 // bit size
-  wk1 = ((QMP6988_S64_t) ik->bt1 * (QMP6988_S64_t) tx);        // 28Q15+16-1=43 (43Q15)
-  wk2 = ((QMP6988_S64_t) ik->bp1 * (QMP6988_S64_t) dp) >> 5;   // 31Q20+24-1=54 (49Q15)
-  wk1 += wk2;                                                  // 43,49->50Q15
-  wk2 = ((QMP6988_S64_t) ik->bt2 * (QMP6988_S64_t) tx) >> 1;   // 34Q38+16-1=49 (48Q37)
-  wk2 = (wk2 * (QMP6988_S64_t) tx) >> 8;                       // 48Q37+16-1=63 (55Q29)
-  wk3 = wk2;                                                   // 55Q29
-  wk2 = ((QMP6988_S64_t) ik->b11 * (QMP6988_S64_t) tx) >> 4;   // 28Q34+16-1=43 (39Q30)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1;                       // 39Q30+24-1=62 (61Q29)
-  wk3 += wk2;                                                  // 55,61->62Q29
-  wk2 = ((QMP6988_S64_t) ik->bp2 * (QMP6988_S64_t) dp) >> 13;  // 29Q43+24-1=52 (39Q30)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1;                       // 39Q30+24-1=62 (61Q29)
-  wk3 += wk2;                                                  // 62,61->63Q29
-  wk1 += wk3 >> 14;                                            // Q29 >> 14 -> Q15
-  wk2 = ((QMP6988_S64_t) ik->b12 * (QMP6988_S64_t) tx);        // 29Q53+16-1=45 (45Q53)
-  wk2 = (wk2 * (QMP6988_S64_t) tx) >> 22;                      // 45Q53+16-1=61 (39Q31)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1;                       // 39Q31+24-1=62 (61Q30)
-  wk3 = wk2;                                                   // 61Q30
-  wk2 = ((QMP6988_S64_t) ik->b21 * (QMP6988_S64_t) tx) >> 6;   // 29Q60+16-1=45 (39Q54)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 23;                      // 39Q54+24-1=62 (39Q31)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 1;                       // 39Q31+24-1=62 (61Q20)
-  wk3 += wk2;                                                  // 61,61->62Q30
-  wk2 = ((QMP6988_S64_t) ik->bp3 * (QMP6988_S64_t) dp) >> 12;  // 28Q65+24-1=51 (39Q53)
-  wk2 = (wk2 * (QMP6988_S64_t) dp) >> 23;                      // 39Q53+24-1=62 (39Q30)
-  wk2 = (wk2 * (QMP6988_S64_t) dp);                            // 39Q30+24-1=62 (62Q30)
-  wk3 += wk2;                                                  // 62,62->63Q30
-  wk1 += wk3 >> 15;                                            // Q30 >> 15 = Q15
+  wk1 = ((int64_t) ik->bt1 * (int64_t) tx);        // 28Q15+16-1=43 (43Q15)
+  wk2 = ((int64_t) ik->bp1 * (int64_t) dp) >> 5;   // 31Q20+24-1=54 (49Q15)
+  wk1 += wk2;                                      // 43,49->50Q15
+  wk2 = ((int64_t) ik->bt2 * (int64_t) tx) >> 1;   // 34Q38+16-1=49 (48Q37)
+  wk2 = (wk2 * (int64_t) tx) >> 8;                 // 48Q37+16-1=63 (55Q29)
+  wk3 = wk2;                                       // 55Q29
+  wk2 = ((int64_t) ik->b11 * (int64_t) tx) >> 4;   // 28Q34+16-1=43 (39Q30)
+  wk2 = (wk2 * (int64_t) dp) >> 1;                 // 39Q30+24-1=62 (61Q29)
+  wk3 += wk2;                                      // 55,61->62Q29
+  wk2 = ((int64_t) ik->bp2 * (int64_t) dp) >> 13;  // 29Q43+24-1=52 (39Q30)
+  wk2 = (wk2 * (int64_t) dp) >> 1;                 // 39Q30+24-1=62 (61Q29)
+  wk3 += wk2;                                      // 62,61->63Q29
+  wk1 += wk3 >> 14;                                // Q29 >> 14 -> Q15
+  wk2 = ((int64_t) ik->b12 * (int64_t) tx);        // 29Q53+16-1=45 (45Q53)
+  wk2 = (wk2 * (int64_t) tx) >> 22;                // 45Q53+16-1=61 (39Q31)
+  wk2 = (wk2 * (int64_t) dp) >> 1;                 // 39Q31+24-1=62 (61Q30)
+  wk3 = wk2;                                       // 61Q30
+  wk2 = ((int64_t) ik->b21 * (int64_t) tx) >> 6;   // 29Q60+16-1=45 (39Q54)
+  wk2 = (wk2 * (int64_t) dp) >> 23;                // 39Q54+24-1=62 (39Q31)
+  wk2 = (wk2 * (int64_t) dp) >> 1;                 // 39Q31+24-1=62 (61Q20)
+  wk3 += wk2;                                      // 61,61->62Q30
+  wk2 = ((int64_t) ik->bp3 * (int64_t) dp) >> 12;  // 28Q65+24-1=51 (39Q53)
+  wk2 = (wk2 * (int64_t) dp) >> 23;                // 39Q53+24-1=62 (39Q30)
+  wk2 = (wk2 * (int64_t) dp);                      // 39Q30+24-1=62 (62Q30)
+  wk3 += wk2;                                      // 62,62->63Q30
+  wk1 += wk3 >> 15;                                // Q30 >> 15 = Q15
   wk1 /= 32767L;
   wk1 >>= 11;      // Q15 >> 7 = Q4
   wk1 += ik->b00;  // Q4 + 20Q4
   // wk1 >>= 4; // 28Q4 -> 24Q0
-  ret = (QMP6988_S32_t) wk1;
+  ret = (int32_t) wk1;
   return ret;
 }
 
@@ -274,7 +247,7 @@ void QMP6988Component::set_power_mode_(uint8_t power_mode) {
   delay(10);
 }
 
-void QMP6988Component::write_filter_(unsigned char filter) {
+void QMP6988Component::write_filter_(QMP6988IIRFilter filter) {
   uint8_t data;
 
   data = (filter & 0x03);
@@ -282,7 +255,7 @@ void QMP6988Component::write_filter_(unsigned char filter) {
   delay(10);
 }
 
-void QMP6988Component::write_oversampling_pressure_(unsigned char oversampling_p) {
+void QMP6988Component::write_oversampling_pressure_(QMP6988Oversampling oversampling_p) {
   uint8_t data;
 
   this->read_register(QMP6988_CTRLMEAS_REG, &data, 1);
@@ -292,7 +265,7 @@ void QMP6988Component::write_oversampling_pressure_(unsigned char oversampling_p
   delay(10);
 }
 
-void QMP6988Component::write_oversampling_temperature_(unsigned char oversampling_t) {
+void QMP6988Component::write_oversampling_temperature_(QMP6988Oversampling oversampling_t) {
   uint8_t data;
 
   this->read_register(QMP6988_CTRLMEAS_REG, &data, 1);
@@ -302,16 +275,6 @@ void QMP6988Component::write_oversampling_temperature_(unsigned char oversamplin
   delay(10);
 }
 
-void QMP6988Component::set_temperature_oversampling(QMP6988Oversampling oversampling_t) {
-  this->temperature_oversampling_ = oversampling_t;
-}
-
-void QMP6988Component::set_pressure_oversampling(QMP6988Oversampling oversampling_p) {
-  this->pressure_oversampling_ = oversampling_p;
-}
-
-void QMP6988Component::set_iir_filter(QMP6988IIRFilter iirfilter) { this->iir_filter_ = iirfilter; }
-
 void QMP6988Component::calculate_altitude_(float pressure, float temp) {
   float altitude;
   altitude = (pow((101325 / pressure), 1 / 5.257) - 1) * (temp + 273.15) / 0.0065;
@@ -320,10 +283,10 @@ void QMP6988Component::calculate_altitude_(float pressure, float temp) {
 
 void QMP6988Component::calculate_pressure_() {
   uint8_t err = 0;
-  QMP6988_U32_t p_read, t_read;
-  QMP6988_S32_t p_raw, t_raw;
+  uint32_t p_read, t_read;
+  int32_t p_raw, t_raw;
   uint8_t a_data_uint8_tr[6] = {0};
-  QMP6988_S32_t t_int, p_int;
+  int32_t t_int, p_int;
   this->qmp6988_data_.temperature = 0;
   this->qmp6988_data_.pressure = 0;
 
@@ -332,13 +295,11 @@ void QMP6988Component::calculate_pressure_() {
     ESP_LOGE(TAG, "Error reading raw pressure/temp values");
     return;
   }
-  p_read = (QMP6988_U32_t) ((((QMP6988_U32_t) (a_data_uint8_tr[0])) << SHIFT_LEFT_16_POSITION) |
-                            (((QMP6988_U16_t) (a_data_uint8_tr[1])) << SHIFT_LEFT_8_POSITION) | (a_data_uint8_tr[2]));
-  p_raw = (QMP6988_S32_t) (p_read - SUBTRACTOR);
+  p_read = encode_uint24(a_data_uint8_tr[0], a_data_uint8_tr[1], a_data_uint8_tr[2]);
+  p_raw = (int32_t) (p_read - SUBTRACTOR);
 
-  t_read = (QMP6988_U32_t) ((((QMP6988_U32_t) (a_data_uint8_tr[3])) << SHIFT_LEFT_16_POSITION) |
-                            (((QMP6988_U16_t) (a_data_uint8_tr[4])) << SHIFT_LEFT_8_POSITION) | (a_data_uint8_tr[5]));
-  t_raw = (QMP6988_S32_t) (t_read - SUBTRACTOR);
+  t_read = encode_uint24(a_data_uint8_tr[3], a_data_uint8_tr[4], a_data_uint8_tr[5]);
+  t_raw = (int32_t) (t_read - SUBTRACTOR);
 
   t_int = this->get_compensated_temperature_(&(qmp6988_data_.ik), t_raw);
   p_int = this->get_compensated_pressure_(&(qmp6988_data_.ik), p_raw, t_int);
@@ -348,10 +309,9 @@ void QMP6988Component::calculate_pressure_() {
 }
 
 void QMP6988Component::setup() {
-  bool ret;
-  ret = this->device_check_();
-  if (!ret) {
-    ESP_LOGCONFIG(TAG, "Setup failed - device not found");
+  if (!this->device_check_()) {
+    this->mark_failed(ESP_LOG_MSG_COMM_FAIL);
+    return;
   }
 
   this->software_reset_();
@@ -365,9 +325,6 @@ void QMP6988Component::setup() {
 void QMP6988Component::dump_config() {
   ESP_LOGCONFIG(TAG, "QMP6988:");
   LOG_I2C_DEVICE(this);
-  if (this->is_failed()) {
-    ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
-  }
   LOG_UPDATE_INTERVAL(this);
 
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
@@ -377,8 +334,6 @@ void QMP6988Component::dump_config() {
   ESP_LOGCONFIG(TAG, "  IIR Filter: %s", iir_filter_to_str(this->iir_filter_));
 }
 
-float QMP6988Component::get_setup_priority() const { return setup_priority::DATA; }
-
 void QMP6988Component::update() {
   this->calculate_pressure_();
   float pressurehectopascals = this->qmp6988_data_.pressure / 100;
diff --git a/esphome/components/qmp6988/qmp6988.h b/esphome/components/qmp6988/qmp6988.h
index 61b46a4189..5b0f80c77e 100644
--- a/esphome/components/qmp6988/qmp6988.h
+++ b/esphome/components/qmp6988/qmp6988.h
@@ -1,24 +1,17 @@
 #pragma once
 
+#include "esphome/components/i2c/i2c.h"
+#include "esphome/components/sensor/sensor.h"
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include "esphome/components/sensor/sensor.h"
-#include "esphome/components/i2c/i2c.h"
 
 namespace esphome {
 namespace qmp6988 {
 
-#define QMP6988_U16_t unsigned short
-#define QMP6988_S16_t short
-#define QMP6988_U32_t unsigned int
-#define QMP6988_S32_t int
-#define QMP6988_U64_t unsigned long long
-#define QMP6988_S64_t long long
-
 /* oversampling */
-enum QMP6988Oversampling {
+enum QMP6988Oversampling : uint8_t {
   QMP6988_OVERSAMPLING_SKIPPED = 0x00,
   QMP6988_OVERSAMPLING_1X = 0x01,
   QMP6988_OVERSAMPLING_2X = 0x02,
@@ -30,7 +23,7 @@ enum QMP6988Oversampling {
 };
 
 /* filter */
-enum QMP6988IIRFilter {
+enum QMP6988IIRFilter : uint8_t {
   QMP6988_IIR_FILTER_OFF = 0x00,
   QMP6988_IIR_FILTER_2X = 0x01,
   QMP6988_IIR_FILTER_4X = 0x02,
@@ -40,18 +33,18 @@ enum QMP6988IIRFilter {
 };
 
 using qmp6988_cali_data_t = struct Qmp6988CaliData {
-  QMP6988_S32_t COE_a0;
-  QMP6988_S16_t COE_a1;
-  QMP6988_S16_t COE_a2;
-  QMP6988_S32_t COE_b00;
-  QMP6988_S16_t COE_bt1;
-  QMP6988_S16_t COE_bt2;
-  QMP6988_S16_t COE_bp1;
-  QMP6988_S16_t COE_b11;
-  QMP6988_S16_t COE_bp2;
-  QMP6988_S16_t COE_b12;
-  QMP6988_S16_t COE_b21;
-  QMP6988_S16_t COE_bp3;
+  int32_t COE_a0;
+  int16_t COE_a1;
+  int16_t COE_a2;
+  int32_t COE_b00;
+  int16_t COE_bt1;
+  int16_t COE_bt2;
+  int16_t COE_bp1;
+  int16_t COE_b11;
+  int16_t COE_bp2;
+  int16_t COE_b12;
+  int16_t COE_b21;
+  int16_t COE_bp3;
 };
 
 using qmp6988_fk_data_t = struct Qmp6988FkData {
@@ -60,9 +53,9 @@ using qmp6988_fk_data_t = struct Qmp6988FkData {
 };
 
 using qmp6988_ik_data_t = struct Qmp6988IkData {
-  QMP6988_S32_t a0, b00;
-  QMP6988_S32_t a1, a2;
-  QMP6988_S64_t bt1, bt2, bp1, b11, bp2, b12, b21, bp3;
+  int32_t a0, b00;
+  int32_t a1, a2;
+  int64_t bt1, bt2, bp1, b11, bp2, b12, b21, bp3;
 };
 
 using qmp6988_data_t = struct Qmp6988Data {
@@ -77,17 +70,18 @@ using qmp6988_data_t = struct Qmp6988Data {
 
 class QMP6988Component : public PollingComponent, public i2c::I2CDevice {
  public:
-  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { temperature_sensor_ = temperature_sensor; }
-  void set_pressure_sensor(sensor::Sensor *pressure_sensor) { pressure_sensor_ = pressure_sensor; }
+  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { this->temperature_sensor_ = temperature_sensor; }
+  void set_pressure_sensor(sensor::Sensor *pressure_sensor) { this->pressure_sensor_ = pressure_sensor; }
 
   void setup() override;
   void dump_config() override;
-  float get_setup_priority() const override;
   void update() override;
 
-  void set_iir_filter(QMP6988IIRFilter iirfilter);
-  void set_temperature_oversampling(QMP6988Oversampling oversampling_t);
-  void set_pressure_oversampling(QMP6988Oversampling oversampling_p);
+  void set_iir_filter(QMP6988IIRFilter iirfilter) { this->iir_filter_ = iirfilter; }
+  void set_temperature_oversampling(QMP6988Oversampling oversampling_t) {
+    this->temperature_oversampling_ = oversampling_t;
+  }
+  void set_pressure_oversampling(QMP6988Oversampling oversampling_p) { this->pressure_oversampling_ = oversampling_p; }
 
  protected:
   qmp6988_data_t qmp6988_data_;
@@ -102,14 +96,14 @@ class QMP6988Component : public PollingComponent, public i2c::I2CDevice {
   bool get_calibration_data_();
   bool device_check_();
   void set_power_mode_(uint8_t power_mode);
-  void write_oversampling_temperature_(unsigned char oversampling_t);
-  void write_oversampling_pressure_(unsigned char oversampling_p);
-  void write_filter_(unsigned char filter);
+  void write_oversampling_temperature_(QMP6988Oversampling oversampling_t);
+  void write_oversampling_pressure_(QMP6988Oversampling oversampling_p);
+  void write_filter_(QMP6988IIRFilter filter);
   void calculate_pressure_();
   void calculate_altitude_(float pressure, float temp);
 
-  QMP6988_S32_t get_compensated_pressure_(qmp6988_ik_data_t *ik, QMP6988_S32_t dp, QMP6988_S16_t tx);
-  QMP6988_S16_t get_compensated_temperature_(qmp6988_ik_data_t *ik, QMP6988_S32_t dt);
+  int32_t get_compensated_pressure_(qmp6988_ik_data_t *ik, int32_t dp, int16_t tx);
+  int16_t get_compensated_temperature_(qmp6988_ik_data_t *ik, int32_t dt);
 };
 
 }  // namespace qmp6988
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 9aaeb9f9e8..f811fbf7c2 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -393,10 +393,13 @@ def icon(value):
     )
 
 
-def sub_device_id(value: str | None) -> core.ID:
+def sub_device_id(value: str | None) -> core.ID | None:
     # Lazy import to avoid circular imports
     from esphome.core.config import Device
 
+    if not value:
+        return None
+
     return use_id(Device)(value)
 
 
diff --git a/esphome/core/entity_helpers.py b/esphome/core/entity_helpers.py
index 107b9fd739..1ccc3e2683 100644
--- a/esphome/core/entity_helpers.py
+++ b/esphome/core/entity_helpers.py
@@ -77,8 +77,8 @@ async def setup_entity(var: MockObj, config: ConfigType, platform: str) -> None:
     """
     # Get device info
     device_name: str | None = None
-    if CONF_DEVICE_ID in config:
-        device_id_obj: ID = config[CONF_DEVICE_ID]
+    device_id_obj: ID | None
+    if device_id_obj := config.get(CONF_DEVICE_ID):
         device: MockObj = await get_variable(device_id_obj)
         add(var.set_device(device))
         # Get device name for object ID calculation
@@ -199,8 +199,8 @@ def entity_duplicate_validator(platform: str) -> Callable[[ConfigType], ConfigTy
         # Get device name if entity is on a sub-device
         device_name = None
         device_id = ""  # Empty string for main device
-        if CONF_DEVICE_ID in config:
-            device_id_obj = config[CONF_DEVICE_ID]
+        device_id_obj: ID | None
+        if device_id_obj := config.get(CONF_DEVICE_ID):
             device_name = device_id_obj.id
             # Use the device ID string directly for uniqueness
             device_id = device_id_obj.id
diff --git a/requirements.txt b/requirements.txt
index 9793336cf3..0675115c02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,8 +11,8 @@ pyserial==3.5
 platformio==6.1.18  # When updating platformio, also update /docker/Dockerfile
 esptool==5.0.2
 click==8.1.7
-esphome-dashboard==20250514.0
-aioesphomeapi==38.2.1
+esphome-dashboard==20250814.0
+aioesphomeapi==39.0.0
 zeroconf==0.147.0
 puremagic==1.30
 ruamel.yaml==0.18.14 # dashboard_import
diff --git a/script/helpers.py b/script/helpers.py
index b346f3a461..2c2f44a513 100644
--- a/script/helpers.py
+++ b/script/helpers.py
@@ -139,9 +139,24 @@ def _get_changed_files_github_actions() -> list[str] | None:
     if event_name == "pull_request":
         pr_number = _get_pr_number_from_github_env()
         if pr_number:
-            # Use GitHub CLI to get changed files directly
+            # Try gh pr diff first (faster for small PRs)
             cmd = ["gh", "pr", "diff", pr_number, "--name-only"]
-            return _get_changed_files_from_command(cmd)
+            try:
+                return _get_changed_files_from_command(cmd)
+            except Exception as e:
+                # If it fails due to the 300 file limit, use the API method
+                if "maximum" in str(e) and "files" in str(e):
+                    cmd = [
+                        "gh",
+                        "api",
+                        f"repos/esphome/esphome/pulls/{pr_number}/files",
+                        "--paginate",
+                        "--jq",
+                        ".[].filename",
+                    ]
+                    return _get_changed_files_from_command(cmd)
+                # Re-raise for other errors
+                raise
 
     # For pushes (including squash-and-merge)
     elif event_name == "push":
diff --git a/tests/integration/fixtures/areas_and_devices.yaml b/tests/integration/fixtures/areas_and_devices.yaml
index 12ab070e55..08b02e6e1e 100644
--- a/tests/integration/fixtures/areas_and_devices.yaml
+++ b/tests/integration/fixtures/areas_and_devices.yaml
@@ -55,6 +55,12 @@ sensor:
     lambda: return 4.0;
     update_interval: 0.1s
 
+  - platform: template
+    name: Living Room Sensor
+    device_id: ""
+    lambda: return 5.0;
+    update_interval: 0.1s
+
 # Switches with the same name on different devices to test device_id lookup
 switch:
   # Switch with no device_id (defaults to 0)
@@ -96,3 +102,23 @@ switch:
       - logger.log: "Turning on Test Switch on Motion Detector"
     turn_off_action:
       - logger.log: "Turning off Test Switch on Motion Detector"
+
+  - platform: template
+    name: Living Room Blank Switch
+    device_id: ""
+    id: test_switch_blank_living_room
+    optimistic: true
+    turn_on_action:
+      - logger.log: "Turning on Living Room Blank Switch"
+    turn_off_action:
+      - logger.log: "Turning off Living Room Blank Switch"
+
+  - platform: template
+    name: Living Room None Switch
+    device_id:
+    id: test_switch_none_living_room
+    optimistic: true
+    turn_on_action:
+      - logger.log: "Turning on Living Room None Switch"
+    turn_off_action:
+      - logger.log: "Turning off Living Room None Switch"
diff --git a/tests/integration/test_areas_and_devices.py b/tests/integration/test_areas_and_devices.py
index 1af16c87e8..93326de0a9 100644
--- a/tests/integration/test_areas_and_devices.py
+++ b/tests/integration/test_areas_and_devices.py
@@ -132,6 +132,7 @@ async def test_areas_and_devices(
             "Temperature Sensor Reading": temp_sensor.device_id,
             "Motion Detector Status": motion_detector.device_id,
             "Smart Switch Power": smart_switch.device_id,
+            "Living Room Sensor": 0,  # Main device
         }
 
         for entity in sensor_entities:
@@ -160,6 +161,18 @@ async def test_areas_and_devices(
             "Should have a switch with device_id 0 (main device)"
         )
 
+        # Verify extra switches with blank and none device_id are correctly available
+        extra_switches = [
+            e for e in switch_entities if e.name.startswith("Living Room")
+        ]
+        assert len(extra_switches) == 2, (
+            f"Expected 2 extra switches for Living Room, got {len(extra_switches)}"
+        )
+        extra_switch_device_ids = [e.device_id for e in extra_switches]
+        assert all(d == 0 for d in extra_switch_device_ids), (
+            "All extra switches should have device_id 0 (main device)"
+        )
+
         # Wait for initial states to be received for all switches
         await asyncio.wait_for(initial_states_future, timeout=2.0)
 
diff --git a/tests/script/test_helpers.py b/tests/script/test_helpers.py
index 9730efd366..63f1f0e600 100644
--- a/tests/script/test_helpers.py
+++ b/tests/script/test_helpers.py
@@ -183,6 +183,61 @@ def test_get_changed_files_github_actions_pull_request(
         assert result == expected_files
 
 
+def test_get_changed_files_github_actions_pull_request_large_pr(
+    monkeypatch: MonkeyPatch,
+) -> None:
+    """Test _get_changed_files_github_actions fallback for PRs with >300 files."""
+    monkeypatch.setenv("GITHUB_EVENT_NAME", "pull_request")
+
+    expected_files = ["file1.py", "file2.cpp"]
+
+    with (
+        patch("helpers._get_pr_number_from_github_env", return_value="10214"),
+        patch("helpers._get_changed_files_from_command") as mock_get,
+    ):
+        # First call fails with too many files error, second succeeds with API method
+        mock_get.side_effect = [
+            Exception("Sorry, the diff exceeded the maximum number of files (300)"),
+            expected_files,
+        ]
+
+        result = _get_changed_files_github_actions()
+
+        assert mock_get.call_count == 2
+        mock_get.assert_any_call(["gh", "pr", "diff", "10214", "--name-only"])
+        mock_get.assert_any_call(
+            [
+                "gh",
+                "api",
+                "repos/esphome/esphome/pulls/10214/files",
+                "--paginate",
+                "--jq",
+                ".[].filename",
+            ]
+        )
+        assert result == expected_files
+
+
+def test_get_changed_files_github_actions_pull_request_other_error(
+    monkeypatch: MonkeyPatch,
+) -> None:
+    """Test _get_changed_files_github_actions re-raises non-file-limit errors."""
+    monkeypatch.setenv("GITHUB_EVENT_NAME", "pull_request")
+
+    with (
+        patch("helpers._get_pr_number_from_github_env", return_value="1234"),
+        patch("helpers._get_changed_files_from_command") as mock_get,
+    ):
+        # Error that is not about file limit
+        mock_get.side_effect = Exception("Command failed: authentication required")
+
+        with pytest.raises(Exception, match="authentication required"):
+            _get_changed_files_github_actions()
+
+        # Should only be called once (no retry with API)
+        mock_get.assert_called_once_with(["gh", "pr", "diff", "1234", "--name-only"])
+
+
 def test_get_changed_files_github_actions_pull_request_no_pr_number(
     monkeypatch: MonkeyPatch,
 ) -> None:
diff --git a/tests/unit_tests/core/test_entity_helpers.py b/tests/unit_tests/core/test_entity_helpers.py
index 2157bc20a9..db99243a1a 100644
--- a/tests/unit_tests/core/test_entity_helpers.py
+++ b/tests/unit_tests/core/test_entity_helpers.py
@@ -689,3 +689,19 @@ def test_entity_duplicate_validator_internal_entities() -> None:
         Invalid, match=r"Duplicate sensor entity with name 'Temperature' found"
     ):
         validator(config4)
+
+
+def test_empty_or_null_device_id_on_entity() -> None:
+    """Test that empty or null device IDs are handled correctly."""
+    # Create validator for sensor platform
+    validator = entity_duplicate_validator("sensor")
+
+    # Entity with empty device_id should pass
+    config1 = {CONF_NAME: "Battery", CONF_DEVICE_ID: ""}
+    validated1 = validator(config1)
+    assert validated1 == config1
+
+    # Entity with None device_id should pass
+    config2 = {CONF_NAME: "Temperature", CONF_DEVICE_ID: None}
+    validated2 = validator(config2)
+    assert validated2 == config2