Merge branch 'dev' into controller_registry_event_has_prog_lifetime

esphome/__main__.py

@@ -741,13 +741,6 @@ def command_vscode(args: ArgsProtocol) -> int | None:
 
 
 def command_compile(args: ArgsProtocol, config: ConfigType) -> int | None:
-    # Set memory analysis options in config
-    if args.analyze_memory:
-        config.setdefault(CONF_ESPHOME, {})["analyze_memory"] = True
-
-    if args.memory_report:
-        config.setdefault(CONF_ESPHOME, {})["memory_report_file"] = args.memory_report
-
     exit_code = write_cpp(config)
     if exit_code != 0:
         return exit_code
@@ -1209,17 +1202,6 @@ def parse_args(argv):
         help="Only generate source code, do not compile.",
         action="store_true",
     )
-    parser_compile.add_argument(
-        "--analyze-memory",
-        help="Analyze and display memory usage by component after compilation.",
-        action="store_true",
-    )
-    parser_compile.add_argument(
-        "--memory-report",
-        help="Save memory analysis report to a file (supports .json or .txt).",
-        type=str,
-        metavar="FILE",
-    )
 
     parser_upload = subparsers.add_parser(
         "upload",

esphome/components/api/api_connection.cpp

@@ -1294,11 +1294,11 @@ void APIConnection::alarm_control_panel_command(const AlarmControlPanelCommandRe
 #endif
 
 #ifdef USE_EVENT
-void APIConnection::send_event(event::Event *event, const std::string &event_type) {
+void APIConnection::send_event(event::Event *event, const char *event_type) {
   this->schedule_message_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE,
                           EventResponse::ESTIMATED_SIZE);
 }
-uint16_t APIConnection::try_send_event_response(event::Event *event, const std::string &event_type, APIConnection *conn,
+uint16_t APIConnection::try_send_event_response(event::Event *event, const char *event_type, APIConnection *conn,
                                                 uint32_t remaining_size, bool is_single) {
   EventResponse resp;
   resp.set_event_type(StringRef(event_type));
@@ -1650,9 +1650,7 @@ void APIConnection::DeferredBatch::add_item(EntityBase *entity, MessageCreator c
   // O(n) but optimized for RAM and not performance.
   for (auto &item : items) {
     if (item.entity == entity && item.message_type == message_type) {
-      // Clean up old creator before replacing
-      item.creator.cleanup(message_type);
-      // Move assign the new creator
+      // Replace with new creator
       item.creator = std::move(creator);
       return;
     }
@@ -1822,7 +1820,7 @@ void APIConnection::process_batch_() {
 
   // Handle remaining items more efficiently
   if (items_processed < this->deferred_batch_.size()) {
-    // Remove processed items from the beginning with proper cleanup
+    // Remove processed items from the beginning
     this->deferred_batch_.remove_front(items_processed);
     // Reschedule for remaining items
     this->schedule_batch_();
@@ -1835,10 +1833,10 @@ void APIConnection::process_batch_() {
 uint16_t APIConnection::MessageCreator::operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                    bool is_single, uint8_t message_type) const {
 #ifdef USE_EVENT
-  // Special case: EventResponse uses string pointer
+  // Special case: EventResponse uses const char * pointer
   if (message_type == EventResponse::MESSAGE_TYPE) {
     auto *e = static_cast<event::Event *>(entity);
-    return APIConnection::try_send_event_response(e, *data_.string_ptr, conn, remaining_size, is_single);
+    return APIConnection::try_send_event_response(e, data_.const_char_ptr, conn, remaining_size, is_single);
   }
 #endif
 

esphome/components/api/api_connection.h

@@ -177,7 +177,7 @@ class APIConnection final : public APIServerConnection {
 #endif
 
 #ifdef USE_EVENT
-  void send_event(event::Event *event, const std::string &event_type);
+  void send_event(event::Event *event, const char *event_type);
 #endif
 
 #ifdef USE_UPDATE
@@ -450,7 +450,7 @@ class APIConnection final : public APIServerConnection {
                                                     bool is_single);
 #endif
 #ifdef USE_EVENT
-  static uint16_t try_send_event_response(event::Event *event, const std::string &event_type, APIConnection *conn,
+  static uint16_t try_send_event_response(event::Event *event, const char *event_type, APIConnection *conn,
                                           uint32_t remaining_size, bool is_single);
   static uint16_t try_send_event_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single);
 #endif
@@ -508,10 +508,8 @@ class APIConnection final : public APIServerConnection {
     // Constructor for function pointer
     MessageCreator(MessageCreatorPtr ptr) { data_.function_ptr = ptr; }
 
-    // Constructor for string state capture
-    explicit MessageCreator(const std::string &str_value) { data_.string_ptr = new std::string(str_value); }
-
-    // No destructor - cleanup must be called explicitly with message_type
+    // Constructor for const char * (Event types - no allocation needed)
+    explicit MessageCreator(const char *str_value) { data_.const_char_ptr = str_value; }
 
     // Delete copy operations - MessageCreator should only be moved
     MessageCreator(const MessageCreator &other) = delete;
@@ -523,8 +521,6 @@ class APIConnection final : public APIServerConnection {
     // Move assignment
     MessageCreator &operator=(MessageCreator &&other) noexcept {
       if (this != &other) {
-        // IMPORTANT: Caller must ensure cleanup() was called if this contains a string!
-        // In our usage, this happens in add_item() deduplication and vector::erase()
         data_ = other.data_;
         other.data_.function_ptr = nullptr;
       }
@@ -535,20 +531,10 @@ class APIConnection final : public APIServerConnection {
     uint16_t operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single,
                         uint8_t message_type) const;
 
-    // Manual cleanup method - must be called before destruction for string types
-    void cleanup(uint8_t message_type) {
-#ifdef USE_EVENT
-      if (message_type == EventResponse::MESSAGE_TYPE && data_.string_ptr != nullptr) {
-        delete data_.string_ptr;
-        data_.string_ptr = nullptr;
-      }
-#endif
-    }
-
    private:
     union Data {
       MessageCreatorPtr function_ptr;
-      std::string *string_ptr;
+      const char *const_char_ptr;
     } data_;  // 4 bytes on 32-bit, 8 bytes on 64-bit - same as before
   };
 
@@ -568,42 +554,24 @@ class APIConnection final : public APIServerConnection {
     std::vector<BatchItem> items;
     uint32_t batch_start_time{0};
 
-   private:
-    // Helper to cleanup items from the beginning
-    void cleanup_items_(size_t count) {
-      for (size_t i = 0; i < count; i++) {
-        items[i].creator.cleanup(items[i].message_type);
-      }
-    }
-
-   public:
     DeferredBatch() {
       // Pre-allocate capacity for typical batch sizes to avoid reallocation
       items.reserve(8);
     }
 
-    ~DeferredBatch() {
-      // Ensure cleanup of any remaining items
-      clear();
-    }
-
     // Add item to the batch
     void add_item(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size);
     // Add item to the front of the batch (for high priority messages like ping)
     void add_item_front(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size);
 
-    // Clear all items with proper cleanup
+    // Clear all items
     void clear() {
-      cleanup_items_(items.size());
       items.clear();
       batch_start_time = 0;
     }
 
-    // Remove processed items from the front with proper cleanup
-    void remove_front(size_t count) {
-      cleanup_items_(count);
-      items.erase(items.begin(), items.begin() + count);
-    }
+    // Remove processed items from the front
+    void remove_front(size_t count) { items.erase(items.begin(), items.begin() + count); }
 
     bool empty() const { return items.empty(); }
     size_t size() const { return items.size(); }

esphome/components/esp32_ble/ble.cpp

@@ -96,10 +96,6 @@ void ESP32BLE::advertising_set_service_data(const std::vector<uint8_t> &data) {
 }
 
 void ESP32BLE::advertising_set_manufacturer_data(const std::vector<uint8_t> &data) {
-  this->advertising_set_manufacturer_data(std::span<const uint8_t>(data));
-}
-
-void ESP32BLE::advertising_set_manufacturer_data(std::span<const uint8_t> data) {
   this->advertising_init_();
   this->advertising_->set_manufacturer_data(data);
   this->advertising_start();

esphome/components/esp32_ble/ble.h

@@ -118,7 +118,6 @@ class ESP32BLE : public Component {
   void advertising_start();
   void advertising_set_service_data(const std::vector<uint8_t> &data);
   void advertising_set_manufacturer_data(const std::vector<uint8_t> &data);
-  void advertising_set_manufacturer_data(std::span<const uint8_t> data);
   void advertising_set_appearance(uint16_t appearance) { this->appearance_ = appearance; }
   void advertising_set_service_data_and_name(std::span<const uint8_t> data, bool include_name);
   void advertising_add_service_uuid(ESPBTUUID uuid);

esphome/components/esp32_ble/ble_advertising.cpp

@@ -59,10 +59,6 @@ void BLEAdvertising::set_service_data(const std::vector<uint8_t> &data) {
 }
 
 void BLEAdvertising::set_manufacturer_data(const std::vector<uint8_t> &data) {
-  this->set_manufacturer_data(std::span<const uint8_t>(data));
-}
-
-void BLEAdvertising::set_manufacturer_data(std::span<const uint8_t> data) {
   delete[] this->advertising_data_.p_manufacturer_data;
   this->advertising_data_.p_manufacturer_data = nullptr;
   this->advertising_data_.manufacturer_len = data.size();

esphome/components/esp32_ble/ble_advertising.h

@@ -37,7 +37,6 @@ class BLEAdvertising {
   void set_scan_response(bool scan_response) { this->scan_response_ = scan_response; }
   void set_min_preferred_interval(uint16_t interval) { this->advertising_data_.min_interval = interval; }
   void set_manufacturer_data(const std::vector<uint8_t> &data);
-  void set_manufacturer_data(std::span<const uint8_t> data);
   void set_appearance(uint16_t appearance) { this->advertising_data_.appearance = appearance; }
   void set_service_data(const std::vector<uint8_t> &data);
   void set_service_data(std::span<const uint8_t> data);

esphome/components/esp32_ble_beacon/esp32_ble_beacon.cpp

@@ -1,6 +1,5 @@
 #include "esp32_ble_beacon.h"
 #include "esphome/core/log.h"
-#include "esphome/core/helpers.h"
 
 #ifdef USE_ESP32
 

esphome/components/esp32_ble_client/ble_client_base.cpp

@@ -389,8 +389,7 @@ bool BLEClientBase::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
       if (this->conn_id_ != param->search_res.conn_id)
         return false;
       this->service_count_++;
-      if (this->connection_type_ == espbt::ConnectionType::V3_WITHOUT_CACHE ||
-          this->connection_type_ == espbt::ConnectionType::V3_WITH_CACHE) {
+      if (this->connection_type_ == espbt::ConnectionType::V3_WITHOUT_CACHE) {
         // V3 clients don't need services initialized since
         // as they use the ESP APIs to get services.
         break;

esphome/components/i2c/i2c_bus_esp_idf.cpp

@@ -107,7 +107,7 @@ void IDFI2CBus::dump_config() {
         if (s.second) {
           ESP_LOGCONFIG(TAG, "Found device at address 0x%02X", s.first);
         } else {
-          ESP_LOGCONFIG(TAG, "Unknown error at address 0x%02X", s.first);
+          ESP_LOGE(TAG, "Unknown error at address 0x%02X", s.first);
         }
       }
     }

esphome/components/mcp23016/mcp23016.cpp

@@ -56,7 +56,7 @@ void MCP23016::pin_mode(uint8_t pin, gpio::Flags flags) {
     this->update_reg_(pin, false, iodir);
   }
 }
-float MCP23016::get_setup_priority() const { return setup_priority::IO; }
+float MCP23016::get_setup_priority() const { return setup_priority::HARDWARE; }
 bool MCP23016::read_reg_(uint8_t reg, uint8_t *value) {
   if (this->is_failed())
     return false;

esphome/components/openthread/__init__.py

@@ -174,9 +174,6 @@ FINAL_VALIDATE_SCHEMA = _final_validate
 async def to_code(config):
     cg.add_define("USE_OPENTHREAD")
 
-    # OpenThread uses esp_vfs_eventfd which requires VFS select support
-    require_vfs_select()
-
     # OpenThread SRP needs access to mDNS services after setup
     enable_mdns_storage()
 

esphome/components/select/select.h

@@ -77,21 +77,23 @@ class Select : public EntityBase {
 
   void add_on_state_callback(std::function<void(std::string, size_t)> &&callback);
 
-  /** Set the value of the select by index, this is an optional virtual method.
-   *
-   * This method is called by the SelectCall when the index is already known.
-   * Default implementation converts to string and calls control().
-   * Override this to work directly with indices and avoid string conversions.
-   *
-   * @param index The index as validated by the SelectCall.
-   */
-  virtual void control(size_t index) { this->control(this->option_at(index)); }
-
  protected:
   friend class SelectCall;
 
   size_t active_index_{0};
 
+  /** Set the value of the select by index, this is an optional virtual method.
+   *
+   * IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.
+   * Overriding this index-based version is PREFERRED as it avoids string conversions.
+   *
+   * This method is called by the SelectCall when the index is already known.
+   * Default implementation converts to string and calls control(const std::string&).
+   *
+   * @param index The index as validated by the SelectCall.
+   */
+  virtual void control(size_t index) { this->control(this->option_at(index)); }
+
   /** Set the value of the select, this is a virtual method that each select integration can implement.
    *
    * IMPORTANT: At least ONE of the two control() methods must be overridden by derived classes.

esphome/components/sensor/sensor.cpp

@@ -74,9 +74,9 @@ StateClass Sensor::get_state_class() {
 
 void Sensor::publish_state(float state) {
   this->raw_state = state;
-
-  // Call raw callbacks (before filters)
-  this->callbacks_.call_first(this->raw_count_, state);
+  if (this->raw_callback_) {
+    this->raw_callback_->call(state);
+  }
 
   ESP_LOGV(TAG, "'%s': Received new state %f", this->name_.c_str(), state);
 
@@ -87,12 +87,12 @@ void Sensor::publish_state(float state) {
   }
 }
 
-void Sensor::add_on_state_callback(std::function<void(float)> &&callback) {
-  this->callbacks_.add_second(std::move(callback));
-}
-
+void Sensor::add_on_state_callback(std::function<void(float)> &&callback) { this->callback_.add(std::move(callback)); }
 void Sensor::add_on_raw_state_callback(std::function<void(float)> &&callback) {
-  this->callbacks_.add_first(std::move(callback), &this->raw_count_);
+  if (!this->raw_callback_) {
+    this->raw_callback_ = make_unique<CallbackManager<void(float)>>();
+  }
+  this->raw_callback_->add(std::move(callback));
 }
 
 void Sensor::add_filter(Filter *filter) {
@@ -132,10 +132,7 @@ void Sensor::internal_send_state_to_frontend(float state) {
   this->state = state;
   ESP_LOGD(TAG, "'%s': Sending state %.5f %s with %d decimals of accuracy", this->get_name().c_str(), state,
            this->get_unit_of_measurement_ref().c_str(), this->get_accuracy_decimals());
-
-  // Call filtered callbacks (after filters)
-  this->callbacks_.call_second(this->raw_count_, state);
-
+  this->callback_.call(state);
 #if defined(USE_SENSOR) && defined(USE_CONTROLLER_REGISTRY)
   ControllerRegistry::notify_sensor_update(this);
 #endif

esphome/components/sensor/sensor.h

@@ -124,7 +124,8 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
   void internal_send_state_to_frontend(float state);
 
  protected:
-  PartitionedCallbackManager<void(float)> callbacks_;
+  std::unique_ptr<CallbackManager<void(float)>> raw_callback_;  ///< Storage for raw state callbacks (lazy allocated).
+  CallbackManager<void(float)> callback_;                       ///< Storage for filtered state callbacks.
 
   Filter *filter_list_{nullptr};  ///< Store all active filters.
 
@@ -139,8 +140,6 @@ class Sensor : public EntityBase, public EntityBase_DeviceClass, public EntityBa
     uint8_t force_update : 1;
     uint8_t reserved : 5;  // Reserved for future use
   } sensor_flags_{};
-
-  uint8_t raw_count_{0};  ///< Number of raw callbacks (partition point in callbacks_ vector)
 };
 
 }  // namespace sensor

esphome/components/text_sensor/text_sensor.cpp

@@ -26,9 +26,9 @@ void log_text_sensor(const char *tag, const char *prefix, const char *type, Text
 
 void TextSensor::publish_state(const std::string &state) {
   this->raw_state = state;
-
-  // Call raw callbacks (before filters)
-  this->callbacks_.call_first(this->raw_count_, state);
+  if (this->raw_callback_) {
+    this->raw_callback_->call(state);
+  }
 
   ESP_LOGV(TAG, "'%s': Received new state %s", this->name_.c_str(), state.c_str());
 
@@ -70,11 +70,13 @@ void TextSensor::clear_filters() {
 }
 
 void TextSensor::add_on_state_callback(std::function<void(std::string)> callback) {
-  this->callbacks_.add_second(std::move(callback));
+  this->callback_.add(std::move(callback));
 }
-
 void TextSensor::add_on_raw_state_callback(std::function<void(std::string)> callback) {
-  this->callbacks_.add_first(std::move(callback), &this->raw_count_);
+  if (!this->raw_callback_) {
+    this->raw_callback_ = make_unique<CallbackManager<void(std::string)>>();
+  }
+  this->raw_callback_->add(std::move(callback));
 }
 
 std::string TextSensor::get_state() const { return this->state; }
@@ -83,10 +85,7 @@ void TextSensor::internal_send_state_to_frontend(const std::string &state) {
   this->state = state;
   this->set_has_state(true);
   ESP_LOGD(TAG, "'%s': Sending state '%s'", this->name_.c_str(), state.c_str());
-
-  // Call filtered callbacks (after filters)
-  this->callbacks_.call_second(this->raw_count_, state);
-
+  this->callback_.call(state);
 #if defined(USE_TEXT_SENSOR) && defined(USE_CONTROLLER_REGISTRY)
   ControllerRegistry::notify_text_sensor_update(this);
 #endif

esphome/components/text_sensor/text_sensor.h

@@ -58,11 +58,11 @@ class TextSensor : public EntityBase, public EntityBase_DeviceClass {
   void internal_send_state_to_frontend(const std::string &state);
 
  protected:
-  PartitionedCallbackManager<void(std::string)> callbacks_;
+  std::unique_ptr<CallbackManager<void(std::string)>>
+      raw_callback_;                             ///< Storage for raw state callbacks (lazy allocated).
+  CallbackManager<void(std::string)> callback_;  ///< Storage for filtered state callbacks.
 
   Filter *filter_list_{nullptr};  ///< Store all active filters.
-
-  uint8_t raw_count_{0};  ///< Number of raw callbacks (partition point in callbacks_ vector)
 };
 
 }  // namespace text_sensor

esphome/components/web_server_idf/web_server_idf.cpp

@@ -353,9 +353,8 @@ void AsyncWebServerResponse::addHeader(const char *name, const char *value) {
 void AsyncResponseStream::print(float value) {
   // Use stack buffer to avoid temporary string allocation
   // Size: sign (1) + digits (10) + decimal (1) + precision (6) + exponent (5) + null (1) = 24, use 32 for safety
-  constexpr size_t float_buf_size = 32;
-  char buf[float_buf_size];
-  int len = snprintf(buf, float_buf_size, "%f", value);
+  char buf[32];
+  int len = snprintf(buf, sizeof(buf), "%f", value);
   this->content_.append(buf, len);
 }
 

esphome/core/__init__.py

@@ -710,15 +710,6 @@ class EsphomeCore:
     def relative_piolibdeps_path(self, *path: str | Path) -> Path:
         return self.relative_build_path(".piolibdeps", *path)
 
-    @property
-    def platformio_cache_dir(self) -> str:
-        """Get the PlatformIO cache directory path."""
-        # Check if running in Docker/HA addon with custom cache dir
-        if (cache_dir := os.environ.get("PLATFORMIO_CACHE_DIR")) and cache_dir.strip():
-            return cache_dir
-        # Default PlatformIO cache location
-        return os.path.expanduser("~/.platformio/.cache")
-
     @property
     def firmware_bin(self) -> Path:
         if self.is_libretiny:

esphome/core/helpers.cpp

@@ -414,8 +414,10 @@ int8_t step_to_accuracy_decimals(float step) {
   return str.length() - dot_pos - 1;
 }
 
-// Store BASE64 characters as array - automatically placed in flash/ROM on embedded platforms
-static const char BASE64_CHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+// Use C-style string constant to store in ROM instead of RAM (saves 24 bytes)
+static constexpr const char *BASE64_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                            "abcdefghijklmnopqrstuvwxyz"
+                                            "0123456789+/";
 
 // Helper function to find the index of a base64 character in the lookup table.
 // Returns the character's position (0-63) if found, or 0 if not found.
@@ -425,8 +427,8 @@ static const char BASE64_CHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqr
 // stops processing at the first invalid character due to the is_base64() check in its
 // while loop condition, making this edge case harmless in practice.
 static inline uint8_t base64_find_char(char c) {
-  const void *ptr = memchr(BASE64_CHARS, c, sizeof(BASE64_CHARS));
-  return ptr ? (static_cast<const char *>(ptr) - BASE64_CHARS) : 0;
+  const char *pos = strchr(BASE64_CHARS, c);
+  return pos ? (pos - BASE64_CHARS) : 0;
 }
 
 static inline bool is_base64(char c) { return (isalnum(c) || (c == '+') || (c == '/')); }

esphome/core/helpers.h

@@ -145,9 +145,6 @@ template<typename T, size_t N> class StaticVector {
   size_t size() const { return count_; }
   bool empty() const { return count_ == 0; }
 
-  // Direct access to size counter for efficient in-place construction
-  size_t &count() { return count_; }
-
   T &operator[](size_t i) { return data_[i]; }
   const T &operator[](size_t i) const { return data_[i]; }
 
@@ -872,73 +869,6 @@ template<typename... Ts> class CallbackManager<void(Ts...)> {
   std::vector<std::function<void(Ts...)>> callbacks_;
 };
 
-template<typename... X> class PartitionedCallbackManager;
-
-/** Helper class for callbacks partitioned into two sections.
- *
- * Uses a single vector partitioned into two sections: [first_0, ..., first_m-1, second_0, ..., second_n-1]
- * The partition point is tracked externally by the caller (typically stored in the entity class for optimal alignment).
- *
- * Memory efficient: Only stores a single pointer (4 bytes on 32-bit platforms, 8 bytes on 64-bit platforms).
- * The partition count lives in the entity class where it can be packed with other small fields to avoid padding waste.
- *
- * Design rationale: The asymmetric API (add_first takes first_count*, while call_first/call_second take it by value)
- * is intentional - add_first must increment the count, while call methods only read it. This avoids storing first_count
- * internally, saving memory per instance.
- *
- * @tparam Ts The arguments for the callbacks, wrapped in void().
- */
-template<typename... Ts> class PartitionedCallbackManager<void(Ts...)> {
- public:
-  /// Add a callback to the first partition.
-  void add_first(std::function<void(Ts...)> &&callback, uint8_t *first_count) {
-    if (!this->callbacks_) {
-      this->callbacks_ = make_unique<std::vector<std::function<void(Ts...)>>>();
-    }
-
-    // Add to first partition: append then rotate into position
-    this->callbacks_->push_back(std::move(callback));
-    // Avoid potential underflow: rewrite comparison to not subtract from size()
-    if (*first_count + 1 < this->callbacks_->size()) {
-      // Use std::rotate to maintain registration order in second partition
-      std::rotate(this->callbacks_->begin() + *first_count, this->callbacks_->end() - 1, this->callbacks_->end());
-    }
-    (*first_count)++;
-  }
-
-  /// Add a callback to the second partition.
-  void add_second(std::function<void(Ts...)> &&callback) {
-    if (!this->callbacks_) {
-      this->callbacks_ = make_unique<std::vector<std::function<void(Ts...)>>>();
-    }
-
-    // Add to second partition: just append (already at end after first partition)
-    this->callbacks_->push_back(std::move(callback));
-  }
-
-  /// Call all callbacks in the first partition.
-  void call_first(uint8_t first_count, Ts... args) {
-    if (this->callbacks_) {
-      for (size_t i = 0; i < first_count; i++) {
-        (*this->callbacks_)[i](args...);
-      }
-    }
-  }
-
-  /// Call all callbacks in the second partition.
-  void call_second(uint8_t first_count, Ts... args) {
-    if (this->callbacks_) {
-      for (size_t i = first_count; i < this->callbacks_->size(); i++) {
-        (*this->callbacks_)[i](args...);
-      }
-    }
-  }
-
- protected:
-  /// Partitioned callback storage: [first_0, ..., first_m-1, second_0, ..., second_n-1]
-  std::unique_ptr<std::vector<std::function<void(Ts...)>>> callbacks_;
-};
-
 /// Helper class to deduplicate items in a series of values.
 template<typename T> class Deduplicator {
  public:

esphome/platformio_api.py

@@ -145,16 +145,7 @@ def run_compile(config, verbose):
     args = []
     if CONF_COMPILE_PROCESS_LIMIT in config[CONF_ESPHOME]:
         args += [f"-j{config[CONF_ESPHOME][CONF_COMPILE_PROCESS_LIMIT]}"]
-    result = run_platformio_cli_run(config, verbose, *args)
-
-    # Run memory analysis if enabled
-    if config.get(CONF_ESPHOME, {}).get("analyze_memory", False):
-        try:
-            analyze_memory_usage(config)
-        except Exception as e:
-            _LOGGER.warning("Failed to analyze memory usage: %s", e)
-
-    return result
+    return run_platformio_cli_run(config, verbose, *args)
 
 
 def _run_idedata(config):
@@ -403,73 +394,3 @@ class IDEData:
             if path.endswith(".exe")
             else f"{path[:-3]}readelf"
         )
-
-
-def analyze_memory_usage(config: dict[str, Any]) -> None:
-    """Analyze memory usage by component after compilation."""
-    # Lazy import to avoid overhead when not needed
-    from esphome.analyze_memory import MemoryAnalyzer
-
-    idedata = get_idedata(config)
-
-    # Get paths to tools
-    elf_path = idedata.firmware_elf_path
-    objdump_path = idedata.objdump_path
-    readelf_path = idedata.readelf_path
-
-    # Debug logging
-    _LOGGER.debug("ELF path from idedata: %s", elf_path)
-
-    # Check if file exists
-    if not Path(elf_path).exists():
-        # Try alternate path
-        alt_path = Path(CORE.relative_build_path(".pioenvs", CORE.name, "firmware.elf"))
-        if alt_path.exists():
-            elf_path = str(alt_path)
-            _LOGGER.debug("Using alternate ELF path: %s", elf_path)
-        else:
-            _LOGGER.warning("ELF file not found at %s or %s", elf_path, alt_path)
-            return
-
-    # Extract external components from config
-    external_components = set()
-
-    # Get the list of built-in ESPHome components
-    from esphome.analyze_memory import get_esphome_components
-
-    builtin_components = get_esphome_components()
-
-    # Special non-component keys that appear in configs
-    NON_COMPONENT_KEYS = {
-        CONF_ESPHOME,
-        "substitutions",
-        "packages",
-        "globals",
-        "<<",
-    }
-
-    # Check all top-level keys in config
-    for key in config:
-        if key not in builtin_components and key not in NON_COMPONENT_KEYS:
-            # This is an external component
-            external_components.add(key)
-
-    _LOGGER.debug("Detected external components: %s", external_components)
-
-    # Create analyzer and run analysis
-    analyzer = MemoryAnalyzer(elf_path, objdump_path, readelf_path, external_components)
-    analyzer.analyze()
-
-    # Generate and print report
-    report = analyzer.generate_report()
-    _LOGGER.info("\n%s", report)
-
-    # Optionally save to file
-    if config.get(CONF_ESPHOME, {}).get("memory_report_file"):
-        report_file = Path(config[CONF_ESPHOME]["memory_report_file"])
-        if report_file.suffix == ".json":
-            report_file.write_text(analyzer.to_json())
-            _LOGGER.info("Memory report saved to %s", report_file)
-        else:
-            report_file.write_text(report)
-            _LOGGER.info("Memory report saved to %s", report_file)

tests/component_tests/text/test_text.py

@@ -66,6 +66,5 @@ def test_text_config_lamda_is_set(generate_main):
     main_cpp = generate_main("tests/component_tests/text/test_text.yaml")
 
     # Then
-    # Stateless lambda optimization: empty capture list allows function pointer conversion
     assert "it_4->set_template([]() -> esphome::optional<std::string> {" in main_cpp
     assert 'return std::string{"Hello"};' in main_cpp

tests/unit_tests/test_core.py

@@ -670,45 +670,3 @@ class TestEsphomeCore:
             os.environ.pop("ESPHOME_IS_HA_ADDON", None)
             os.environ.pop("ESPHOME_DATA_DIR", None)
             assert target.data_dir == Path(expected_default)
-
-    def test_platformio_cache_dir_with_env_var(self):
-        """Test platformio_cache_dir when PLATFORMIO_CACHE_DIR env var is set."""
-        target = core.EsphomeCore()
-        test_cache_dir = "/custom/cache/dir"
-
-        with patch.dict(os.environ, {"PLATFORMIO_CACHE_DIR": test_cache_dir}):
-            assert target.platformio_cache_dir == test_cache_dir
-
-    def test_platformio_cache_dir_without_env_var(self):
-        """Test platformio_cache_dir defaults to ~/.platformio/.cache."""
-        target = core.EsphomeCore()
-
-        with patch.dict(os.environ, {}, clear=True):
-            # Ensure env var is not set
-            os.environ.pop("PLATFORMIO_CACHE_DIR", None)
-            expected = os.path.expanduser("~/.platformio/.cache")
-            assert target.platformio_cache_dir == expected
-
-    def test_platformio_cache_dir_empty_env_var(self):
-        """Test platformio_cache_dir with empty env var falls back to default."""
-        target = core.EsphomeCore()
-
-        with patch.dict(os.environ, {"PLATFORMIO_CACHE_DIR": ""}):
-            expected = os.path.expanduser("~/.platformio/.cache")
-            assert target.platformio_cache_dir == expected
-
-    def test_platformio_cache_dir_whitespace_env_var(self):
-        """Test platformio_cache_dir with whitespace-only env var falls back to default."""
-        target = core.EsphomeCore()
-
-        with patch.dict(os.environ, {"PLATFORMIO_CACHE_DIR": "   "}):
-            expected = os.path.expanduser("~/.platformio/.cache")
-            assert target.platformio_cache_dir == expected
-
-    def test_platformio_cache_dir_docker_addon_path(self):
-        """Test platformio_cache_dir in Docker/HA addon environment."""
-        target = core.EsphomeCore()
-        addon_cache = "/data/cache/platformio"
-
-        with patch.dict(os.environ, {"PLATFORMIO_CACHE_DIR": addon_cache}):
-            assert target.platformio_cache_dir == addon_cache

tests/unit_tests/test_writer.py

@@ -355,7 +355,6 @@ def test_clean_build(
     mock_core.relative_pioenvs_path.return_value = pioenvs_dir
     mock_core.relative_piolibdeps_path.return_value = piolibdeps_dir
     mock_core.relative_build_path.return_value = dependencies_lock
-    mock_core.platformio_cache_dir = str(platformio_cache_dir)
 
     # Verify all exist before
     assert pioenvs_dir.exists()