Merge branch 'followup/hal-esp8266' into followup/hal-libretiny

esphome/__main__.py

@@ -21,7 +21,7 @@ import argcomplete
 # Note: Do not import modules from esphome.components here, as this would
 # cause them to be loaded before external components are processed, resulting
 # in the built-in version being used instead of the external component one.
-from esphome import const, writer, yaml_util
+from esphome import const
 import esphome.codegen as cg
 from esphome.config import iter_component_configs, read_config, strip_default_ids
 from esphome.const import (
@@ -72,7 +72,12 @@ from esphome.util import (
     run_external_process,
     safe_print,
 )
-from esphome.zeroconf import discover_mdns_devices
+
+# Keep expensive imports (zeroconf, writer, yaml_util, etc.) out of this
+# module's top level. Every `esphome` invocation — including fast paths
+# like `esphome version` — pays the cost of what's imported here before
+# any command runs. Import inside the function that needs it instead.
+# `script/check_import_time.py` enforces a budget in CI.
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -241,6 +246,8 @@ def _discover_mac_suffix_devices() -> list[str] | None:
     """
     if not (has_name_add_mac_suffix() and has_mdns() and has_non_ip_address()):
         return None
+    from esphome.zeroconf import discover_mdns_devices
+
     _LOGGER.info("Discovering devices...")
     if not (discovered := discover_mdns_devices(CORE.name)):
         _LOGGER.warning(
@@ -660,7 +667,7 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
     return 0
 
 
-def wrap_to_code(name, comp):
+def _wrap_to_code(name, comp, yaml_util):
     coro = coroutine(comp.to_code)
 
     @functools.wraps(comp.to_code)
@@ -680,6 +687,8 @@ def wrap_to_code(name, comp):
 
 
 def write_cpp(config: ConfigType, native_idf: bool = False) -> int:
+    from esphome import writer
+
     if not get_bool_env(ENV_NOGITIGNORE):
         writer.write_gitignore()
 
@@ -691,17 +700,21 @@ def write_cpp(config: ConfigType, native_idf: bool = False) -> int:
 
 
 def generate_cpp_contents(config: ConfigType) -> None:
+    from esphome import yaml_util
+
     _LOGGER.info("Generating C++ source...")
 
     for name, component, conf in iter_component_configs(CORE.config):
         if component.to_code is not None:
-            coro = wrap_to_code(name, component)
+            coro = _wrap_to_code(name, component, yaml_util)
             CORE.add_job(coro, conf)
 
     CORE.flush_tasks()
 
 
 def write_cpp_file(native_idf: bool = False) -> int:
+    from esphome import writer
+
     code_s = indent(CORE.cpp_main_section)
     writer.write_cpp(code_s)
 
@@ -1180,6 +1193,8 @@ def command_wizard(args: ArgsProtocol) -> int | None:
 
 
 def command_config(args: ArgsProtocol, config: ConfigType) -> int | None:
+    from esphome import yaml_util
+
     if not CORE.verbose:
         config = strip_default_ids(config)
     output = yaml_util.dump(config, args.show_secrets)
@@ -1321,6 +1336,8 @@ def command_clean_mqtt(args: ArgsProtocol, config: ConfigType) -> int | None:
 
 
 def command_clean_all(args: ArgsProtocol) -> int | None:
+    from esphome import writer
+
     try:
         writer.clean_all(args.configuration)
     except OSError as err:
@@ -1336,6 +1353,8 @@ def command_version(args: ArgsProtocol) -> int | None:
 
 
 def command_clean(args: ArgsProtocol, config: ConfigType) -> int | None:
+    from esphome import writer
+
     try:
         writer.clean_build()
     except OSError as err:
@@ -1538,6 +1557,8 @@ def command_analyze_memory(args: ArgsProtocol, config: ConfigType) -> int:
 
 
 def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
+    from esphome import yaml_util
+
     new_name = args.name
     for c in new_name:
         if c not in ALLOWED_NAME_CHARS:

esphome/components/ens160_base/ens160_base.cpp

@@ -5,6 +5,15 @@
 // Implementation based on:
 //   https://github.com/sciosense/ENS160_driver
 
+// For best performance, the sensor shall be operated in normal indoor air in the range -5 to 60°C
+// (typical: 25°C); relative humidity: 20 to 80%RH (typical: 50%RH), non-condensing with no aggressive
+// or poisonous gases present. Prolonged exposure to environments outside these conditions can affect
+// performance and lifetime of the sensor.
+// The sensor is designed for indoor use and is not waterproof or dustproof. It should be protected from
+// water, condensation, dust, and aggressive gases. Note that the status will only be stored in non-volatile
+// memory after an initial 24 h of continuous operation. If unpowered before the conclusion of that period,
+// the ENS160 will resume "Initial Start-up" mode after re-powering.
+
 #include "ens160_base.h"
 #include "esphome/core/log.h"
 #include "esphome/core/hal.h"
@@ -14,7 +23,9 @@ namespace ens160_base {
 
 static const char *const TAG = "ens160";
 
-static const uint8_t ENS160_BOOTING = 10;
+// Datasheet specifies 10ms, but some users report that 10ms is not sufficient for the
+// sensor to boot and be ready for commands. 11ms seems to be a safe value.
+static const uint8_t ENS160_BOOTING = 11;
 
 static const uint16_t ENS160_PART_ID = 0x0160;
 
@@ -91,6 +102,8 @@ void ENS160Component::setup() {
     this->mark_failed();
     return;
   }
+  delay(ENS160_BOOTING);
+
   // clear command
   if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_NOP)) {
     this->error_code_ = WRITE_FAILED;
@@ -102,6 +115,7 @@ void ENS160Component::setup() {
     this->mark_failed();
     return;
   }
+  delay(ENS160_BOOTING);
 
   // read firmware version
   if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_GET_APPVER)) {
@@ -109,6 +123,8 @@ void ENS160Component::setup() {
     this->mark_failed();
     return;
   }
+  delay(ENS160_BOOTING);
+
   uint8_t version_data[3];
   if (!this->read_bytes(ENS160_REG_GPR_READ_4, version_data, 3)) {
     this->error_code_ = READ_FAILED;
@@ -223,7 +239,6 @@ void ENS160Component::update() {
   if (this->aqi_ != nullptr) {
     // remove reserved bits, just in case they are used in future
     data_aqi = ENS160_DATA_AQI & data_aqi;
-
     this->aqi_->publish_state(data_aqi);
   }
 

esphome/components/espnow/__init__.py

@@ -26,9 +26,9 @@ espnow_ns = cg.esphome_ns.namespace("espnow")
 ESPNowComponent = espnow_ns.class_("ESPNowComponent", cg.Component)
 
 # Handler interfaces that other components can use to register callbacks
-ESPNowReceivedPacketHandler = espnow_ns.class_("ESPNowReceivedPacketHandler")
+ESPNowReceivePacketHandler = espnow_ns.class_("ESPNowReceivePacketHandler")
 ESPNowUnknownPeerHandler = espnow_ns.class_("ESPNowUnknownPeerHandler")
-ESPNowBroadcastedHandler = espnow_ns.class_("ESPNowBroadcastedHandler")
+ESPNowBroadcastHandler = espnow_ns.class_("ESPNowBroadcastHandler")
 
 ESPNowRecvInfo = espnow_ns.class_("ESPNowRecvInfo")
 ESPNowRecvInfoConstRef = ESPNowRecvInfo.operator("const").operator("ref")
@@ -48,10 +48,10 @@ OnUnknownPeerTrigger = espnow_ns.class_(
     "OnUnknownPeerTrigger", ESPNowHandlerTrigger, ESPNowUnknownPeerHandler
 )
 OnReceiveTrigger = espnow_ns.class_(
-    "OnReceiveTrigger", ESPNowHandlerTrigger, ESPNowReceivedPacketHandler
+    "OnReceiveTrigger", ESPNowHandlerTrigger, ESPNowReceivePacketHandler
 )
-OnBroadcastedTrigger = espnow_ns.class_(
-    "OnBroadcastedTrigger", ESPNowHandlerTrigger, ESPNowBroadcastedHandler
+OnBroadcastTrigger = espnow_ns.class_(
+    "OnBroadcastTrigger", ESPNowHandlerTrigger, ESPNowBroadcastHandler
 )
 
 
@@ -94,7 +94,7 @@ CONFIG_SCHEMA = cv.All(
             ),
             cv.Optional(CONF_ON_BROADCAST): automation.validate_automation(
                 {
-                    cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(OnBroadcastedTrigger),
+                    cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(OnBroadcastTrigger),
                     cv.Optional(CONF_ADDRESS): cv.mac_address,
                 }
             ),
@@ -140,11 +140,11 @@ async def to_code(config):
 
     for on_receive in config.get(CONF_ON_RECEIVE, []):
         trigger = await _trigger_to_code(on_receive)
-        cg.add(var.register_received_handler(trigger))
+        cg.add(var.register_receive_handler(trigger))
 
     for on_receive in config.get(CONF_ON_BROADCAST, []):
         trigger = await _trigger_to_code(on_receive)
-        cg.add(var.register_broadcasted_handler(trigger))
+        cg.add(var.register_broadcast_handler(trigger))
 
 
 # ========================================== A C T I O N S ================================================

esphome/components/espnow/automation.h

@@ -67,6 +67,7 @@ template<typename... Ts> class SendAction : public Action<Ts...>, public Parente
     }
   }
 
+ protected:
   void play(const Ts &...x) override { /* ignore - see play_complex */
   }
 
@@ -75,7 +76,6 @@ template<typename... Ts> class SendAction : public Action<Ts...>, public Parente
     this->error_.stop();
   }
 
- protected:
   ActionList<Ts...> sent_;
   ActionList<Ts...> error_;
 
@@ -89,7 +89,7 @@ template<typename... Ts> class SendAction : public Action<Ts...>, public Parente
 template<typename... Ts> class AddPeerAction : public Action<Ts...>, public Parented<ESPNowComponent> {
   TEMPLATABLE_VALUE(peer_address_t, address);
 
- public:
+ protected:
   void play(const Ts &...x) override {
     peer_address_t address = this->address_.value(x...);
     this->parent_->add_peer(address.data());
@@ -99,7 +99,7 @@ template<typename... Ts> class AddPeerAction : public Action<Ts...>, public Pare
 template<typename... Ts> class DeletePeerAction : public Action<Ts...>, public Parented<ESPNowComponent> {
   TEMPLATABLE_VALUE(peer_address_t, address);
 
- public:
+ protected:
   void play(const Ts &...x) override {
     peer_address_t address = this->address_.value(x...);
     this->parent_->del_peer(address.data());
@@ -107,8 +107,9 @@ template<typename... Ts> class DeletePeerAction : public Action<Ts...>, public P
 };
 
 template<typename... Ts> class SetChannelAction : public Action<Ts...>, public Parented<ESPNowComponent> {
- public:
   TEMPLATABLE_VALUE(uint8_t, channel)
+
+ protected:
   void play(const Ts &...x) override {
     if (this->parent_->is_wifi_enabled()) {
       return;
@@ -125,9 +126,9 @@ class OnReceiveTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_t *,
     memcpy(this->address_, address.data(), ESP_NOW_ETH_ALEN);
   }
 
-  explicit OnReceiveTrigger() : has_address_(false) {}
+  explicit OnReceiveTrigger() {}
 
-  bool on_received(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override {
+  bool on_receive(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override {
     bool match = !this->has_address_ || (memcmp(this->address_, info.src_addr, ESP_NOW_ETH_ALEN) == 0);
     if (!match)
       return false;
@@ -138,7 +139,7 @@ class OnReceiveTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_t *,
 
  protected:
   bool has_address_{false};
-  uint8_t address_[ESP_NOW_ETH_ALEN];
+  uint8_t address_[ESP_NOW_ETH_ALEN]{};
 };
 class OnUnknownPeerTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_t *, uint8_t>,
                              public ESPNowUnknownPeerHandler {
@@ -148,15 +149,15 @@ class OnUnknownPeerTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_
     return false;  // Return false to continue processing other internal handlers
   }
 };
-class OnBroadcastedTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_t *, uint8_t>,
-                             public ESPNowBroadcastedHandler {
+class OnBroadcastTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_t *, uint8_t>,
+                           public ESPNowBroadcastHandler {
  public:
-  explicit OnBroadcastedTrigger(std::array<uint8_t, ESP_NOW_ETH_ALEN> address) : has_address_(true) {
+  explicit OnBroadcastTrigger(std::array<uint8_t, ESP_NOW_ETH_ALEN> address) : has_address_(true) {
     memcpy(this->address_, address.data(), ESP_NOW_ETH_ALEN);
   }
-  explicit OnBroadcastedTrigger() : has_address_(false) {}
+  explicit OnBroadcastTrigger() {}
 
-  bool on_broadcasted(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override {
+  bool on_broadcast(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override {
     bool match = !this->has_address_ || (memcmp(this->address_, info.src_addr, ESP_NOW_ETH_ALEN) == 0);
     if (!match)
       return false;
@@ -167,7 +168,7 @@ class OnBroadcastedTrigger : public Trigger<const ESPNowRecvInfo &, const uint8_
 
  protected:
   bool has_address_{false};
-  uint8_t address_[ESP_NOW_ETH_ALEN];
+  uint8_t address_[ESP_NOW_ETH_ALEN]{};
 };
 
 }  // namespace esphome::espnow

esphome/components/espnow/espnow_component.cpp

@@ -299,13 +299,13 @@ void ESPNowComponent::loop() {
                    format_hex_pretty_to(hex_buf, packet->packet_.receive.data, packet->packet_.receive.size));
 #endif
           if (memcmp(info.des_addr, ESPNOW_BROADCAST_ADDR, ESP_NOW_ETH_ALEN) == 0) {
-            for (auto *handler : this->broadcasted_handlers_) {
-              if (handler->on_broadcasted(info, packet->packet_.receive.data, packet->packet_.receive.size))
+            for (auto *handler : this->broadcast_handlers_) {
+              if (handler->on_broadcast(info, packet->packet_.receive.data, packet->packet_.receive.size))
                 break;  // If a handler returns true, stop processing further handlers
             }
           } else {
-            for (auto *handler : this->received_handlers_) {
-              if (handler->on_received(info, packet->packet_.receive.data, packet->packet_.receive.size))
+            for (auto *handler : this->receive_handlers_) {
+              if (handler->on_receive(info, packet->packet_.receive.data, packet->packet_.receive.size))
                 break;  // If a handler returns true, stop processing further handlers
             }
           }

esphome/components/espnow/espnow_component.h

@@ -31,8 +31,8 @@ using peer_address_t = std::array<uint8_t, ESP_NOW_ETH_ALEN>;
 enum class ESPNowTriggers : uint8_t {
   TRIGGER_NONE = 0,
   ON_NEW_PEER = 1,
-  ON_RECEIVED = 2,
-  ON_BROADCASTED = 3,
+  ON_RECEIVE = 2,
+  ON_BROADCAST = 3,
   ON_SUCCEED = 10,
   ON_FAILED = 11,
 };
@@ -74,18 +74,18 @@ class ESPNowReceivedPacketHandler {
   /// @param data Pointer to the received data payload
   /// @param size Size of the received data in bytes
   /// @return true if the packet was handled, false otherwise
-  virtual bool on_received(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) = 0;
+  virtual bool on_receive(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) = 0;
 };
-/// Handler interface for receiving broadcasted ESPNow packets
+/// Handler interface for receiving ESPNow broadcast packets
 /// Components should inherit from this class to handle incoming ESPNow data
-class ESPNowBroadcastedHandler {
+class ESPNowBroadcastHandler {
  public:
-  /// Called when a broadcasted ESPNow packet is received
+  /// Called when an ESPNow broadcast packet is received
   /// @param info Information about the received packet (sender MAC, etc.)
   /// @param data Pointer to the received data payload
   /// @param size Size of the received data in bytes
   /// @return true if the packet was handled, false otherwise
-  virtual bool on_broadcasted(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) = 0;
+  virtual bool on_broadcast(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) = 0;
 };
 
 class ESPNowComponent : public Component {
@@ -136,13 +136,11 @@ class ESPNowComponent : public Component {
   esp_err_t send(const uint8_t *peer_address, const uint8_t *payload, size_t size,
                  const send_callback_t &callback = nullptr);
 
-  void register_received_handler(ESPNowReceivedPacketHandler *handler) { this->received_handlers_.push_back(handler); }
+  void register_receive_handler(ESPNowReceivedPacketHandler *handler) { this->receive_handlers_.push_back(handler); }
   void register_unknown_peer_handler(ESPNowUnknownPeerHandler *handler) {
     this->unknown_peer_handlers_.push_back(handler);
   }
-  void register_broadcasted_handler(ESPNowBroadcastedHandler *handler) {
-    this->broadcasted_handlers_.push_back(handler);
-  }
+  void register_broadcast_handler(ESPNowBroadcastHandler *handler) { this->broadcast_handlers_.push_back(handler); }
 
  protected:
   friend void on_data_received(const esp_now_recv_info_t *info, const uint8_t *data, int size);
@@ -156,8 +154,8 @@ class ESPNowComponent : public Component {
   void send_();
 
   std::vector<ESPNowUnknownPeerHandler *> unknown_peer_handlers_;
-  std::vector<ESPNowReceivedPacketHandler *> received_handlers_;
-  std::vector<ESPNowBroadcastedHandler *> broadcasted_handlers_;
+  std::vector<ESPNowReceivedPacketHandler *> receive_handlers_;
+  std::vector<ESPNowBroadcastHandler *> broadcast_handlers_;
 
   std::vector<ESPNowPeer> peers_{};
 

esphome/components/espnow/packet_transport/espnow_transport.cpp

@@ -26,10 +26,10 @@ void ESPNowTransport::setup() {
            this->peer_address_[5]);
 
   // Register received handler
-  this->parent_->register_received_handler(this);
+  this->parent_->register_receive_handler(this);
 
-  // Register broadcasted handler
-  this->parent_->register_broadcasted_handler(this);
+  // Register broadcast handler
+  this->parent_->register_broadcast_handler(this);
 }
 
 void ESPNowTransport::send_packet(const std::vector<uint8_t> &buf) const {
@@ -56,7 +56,7 @@ void ESPNowTransport::send_packet(const std::vector<uint8_t> &buf) const {
   });
 }
 
-bool ESPNowTransport::on_received(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) {
+bool ESPNowTransport::on_receive(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) {
   ESP_LOGV(TAG, "Received packet of size %u from %02X:%02X:%02X:%02X:%02X:%02X", size, info.src_addr[0],
            info.src_addr[1], info.src_addr[2], info.src_addr[3], info.src_addr[4], info.src_addr[5]);
 
@@ -71,7 +71,7 @@ bool ESPNowTransport::on_received(const ESPNowRecvInfo &info, const uint8_t *dat
   return false;  // Allow other handlers to run
 }
 
-bool ESPNowTransport::on_broadcasted(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) {
+bool ESPNowTransport::on_broadcast(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) {
   ESP_LOGV(TAG, "Received broadcast packet of size %u from %02X:%02X:%02X:%02X:%02X:%02X", size, info.src_addr[0],
            info.src_addr[1], info.src_addr[2], info.src_addr[3], info.src_addr[4], info.src_addr[5]);
 

esphome/components/espnow/packet_transport/espnow_transport.h

@@ -15,7 +15,7 @@ namespace espnow {
 class ESPNowTransport : public packet_transport::PacketTransport,
                         public Parented<ESPNowComponent>,
                         public ESPNowReceivedPacketHandler,
-                        public ESPNowBroadcastedHandler {
+                        public ESPNowBroadcastHandler {
  public:
   void setup() override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
@@ -25,8 +25,8 @@ class ESPNowTransport : public packet_transport::PacketTransport,
   }
 
   // ESPNow handler interface
-  bool on_received(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override;
-  bool on_broadcasted(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override;
+  bool on_receive(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override;
+  bool on_broadcast(const ESPNowRecvInfo &info, const uint8_t *data, uint8_t size) override;
 
  protected:
   void send_packet(const std::vector<uint8_t> &buf) const override;

esphome/components/fan/__init__.py

@@ -31,17 +31,19 @@ from esphome.const import (
     CONF_TRIGGER_ID,
     CONF_WEB_SERVER,
 )
-from esphome.core import CORE, CoroPriority, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, Lambda, coroutine_with_priority
 from esphome.core.entity_helpers import (
     entity_duplicate_validator,
     queue_entity_register,
     setup_entity,
 )
+from esphome.cpp_generator import LambdaExpression
 
 IS_PLATFORM_COMPONENT = True
 
 fan_ns = cg.esphome_ns.namespace("fan")
 Fan = fan_ns.class_("Fan", cg.EntityBase)
+FanCall = fan_ns.class_("FanCall")
 
 FanDirection = fan_ns.enum("FanDirection", is_class=True)
 FAN_DIRECTION_ENUM = {
@@ -347,17 +349,38 @@ async def fan_turn_off_to_code(config, action_id, template_arg, args):
 )
 async def fan_turn_on_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    if (oscillating := config.get(CONF_OSCILLATING)) is not None:
-        template_ = await cg.templatable(oscillating, args, cg.bool_)
-        cg.add(var.set_oscillating(template_))
-    if (speed := config.get(CONF_SPEED)) is not None:
-        template_ = await cg.templatable(speed, args, cg.int_)
-        cg.add(var.set_speed(template_))
-    if (direction := config.get(CONF_DIRECTION)) is not None:
-        template_ = await cg.templatable(direction, args, FanDirection)
-        cg.add(var.set_direction(template_))
-    return var
+
+    # All configured fields are folded into a single stateless lambda whose
+    # constants live in flash; the action stores only a function pointer.
+    FIELDS = (
+        (CONF_OSCILLATING, "set_oscillating", cg.bool_),
+        (CONF_SPEED, "set_speed", cg.int_),
+        (CONF_DIRECTION, "set_direction", FanDirection),
+    )
+
+    fwd_args = ", ".join(name for _, name in args)
+    body_lines: list[str] = []
+    for conf_key, setter, type_ in FIELDS:
+        if (value := config.get(conf_key)) is None:
+            continue
+        if isinstance(value, Lambda):
+            inner = await cg.process_lambda(value, args, return_type=type_)
+            body_lines.append(f"call.{setter}(({inner})({fwd_args}));")
+        else:
+            body_lines.append(f"call.{setter}({cg.safe_exp(value)});")
+
+    # Match TurnOnAction::ApplyFn signature: const Ts &... for trigger args.
+    apply_args = [
+        (FanCall.operator("ref"), "call"),
+        *((t.operator("const").operator("ref"), n) for t, n in args),
+    ]
+    apply_lambda = LambdaExpression(
+        ["\n".join(body_lines)],
+        apply_args,
+        capture="",
+        return_type=cg.void,
+    )
+    return cg.new_Pvariable(action_id, template_arg, paren, apply_lambda)
 
 
 @automation.register_action(

esphome/components/fan/automation.h

@@ -7,29 +7,24 @@
 namespace esphome {
 namespace fan {
 
+// All configured fields are baked into a single stateless lambda whose
+// constants live in flash. The action only stores one function pointer
+// plus one parent pointer, regardless of how many fields the user set.
+// Trigger args are forwarded to the apply function so user lambdas
+// (e.g. `speed: !lambda "return x;"`) keep working.
 template<typename... Ts> class TurnOnAction : public Action<Ts...> {
  public:
-  explicit TurnOnAction(Fan *state) : state_(state) {}
-
-  TEMPLATABLE_VALUE(bool, oscillating)
-  TEMPLATABLE_VALUE(int, speed)
-  TEMPLATABLE_VALUE(FanDirection, direction)
+  using ApplyFn = void (*)(FanCall &, const Ts &...);
+  TurnOnAction(Fan *state, ApplyFn apply) : state_(state), apply_(apply) {}
 
   void play(const Ts &...x) override {
     auto call = this->state_->turn_on();
-    if (this->oscillating_.has_value()) {
-      call.set_oscillating(this->oscillating_.value(x...));
-    }
-    if (this->speed_.has_value()) {
-      call.set_speed(this->speed_.value(x...));
-    }
-    if (this->direction_.has_value()) {
-      call.set_direction(this->direction_.value(x...));
-    }
+    this->apply_(call, x...);
     call.perform();
   }
 
   Fan *state_;
+  ApplyFn apply_;
 };
 
 template<typename... Ts> class TurnOffAction : public Action<Ts...> {

esphome/components/ota/__init__.py

@@ -24,6 +24,8 @@ def AUTO_LOAD() -> list[str]:
     components = ["safe_mode"]
     if not CORE.using_zephyr:
         components.extend(["md5"])
+    if CORE.is_esp32:
+        components.extend(["watchdog"])
     return components
 
 

esphome/components/ota/ota_backend_esp_idf.cpp

@@ -2,6 +2,7 @@
 #include "ota_backend_esp_idf.h"
 
 #include "esphome/components/md5/md5.h"
+#include "esphome/components/watchdog/watchdog.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/log.h"
 
@@ -28,29 +29,9 @@ OTAResponseTypes IDFOTABackend::begin(size_t image_size) {
     return OTA_RESPONSE_ERROR_NO_UPDATE_PARTITION;
   }
 
-#if CONFIG_ESP_TASK_WDT_TIMEOUT_S < 15
-  // The following function takes longer than the 5 seconds timeout of WDT
-  esp_task_wdt_config_t wdtc;
-  wdtc.idle_core_mask = 0;
-#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
-  wdtc.idle_core_mask |= (1 << 0);
-#endif
-#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
-  wdtc.idle_core_mask |= (1 << 1);
-#endif
-  wdtc.timeout_ms = 15000;
-  wdtc.trigger_panic = false;
-  esp_task_wdt_reconfigure(&wdtc);
-#endif
-
+  watchdog::WatchdogManager watchdog(15000);
   esp_err_t err = esp_ota_begin(this->partition_, image_size, &this->update_handle_);
 
-#if CONFIG_ESP_TASK_WDT_TIMEOUT_S < 15
-  // Set the WDT back to the configured timeout
-  wdtc.timeout_ms = CONFIG_ESP_TASK_WDT_TIMEOUT_S * 1000;
-  esp_task_wdt_reconfigure(&wdtc);
-#endif
-
   if (err != ESP_OK) {
     esp_ota_abort(this->update_handle_);
     this->update_handle_ = 0;

esphome/components/valve/__init__.py

@@ -21,14 +21,14 @@ from esphome.const import (
     DEVICE_CLASS_GAS,
     DEVICE_CLASS_WATER,
 )
-from esphome.core import CORE, CoroPriority, coroutine_with_priority
+from esphome.core import CORE, CoroPriority, Lambda, coroutine_with_priority
 from esphome.core.entity_helpers import (
     entity_duplicate_validator,
     queue_entity_register,
     setup_device_class,
     setup_entity,
 )
-from esphome.cpp_generator import MockObjClass
+from esphome.cpp_generator import LambdaExpression, MockObjClass
 
 IS_PLATFORM_COMPONENT = True
 
@@ -43,6 +43,7 @@ DEVICE_CLASSES = [
 valve_ns = cg.esphome_ns.namespace("valve")
 
 Valve = valve_ns.class_("Valve", cg.EntityBase)
+ValveCall = valve_ns.class_("ValveCall")
 
 VALVE_OPEN = valve_ns.VALVE_OPEN
 VALVE_CLOSED = valve_ns.VALVE_CLOSED
@@ -228,17 +229,40 @@ VALVE_CONTROL_ACTION_SCHEMA = cv.Schema(
 )
 async def valve_control_to_code(config, action_id, template_arg, args):
     paren = await cg.get_variable(config[CONF_ID])
-    var = cg.new_Pvariable(action_id, template_arg, paren)
-    if stop_config := config.get(CONF_STOP):
-        template_ = await cg.templatable(stop_config, args, cg.bool_)
-        cg.add(var.set_stop(template_))
-    if state_config := config.get(CONF_STATE):
-        template_ = await cg.templatable(state_config, args, cg.float_)
-        cg.add(var.set_position(template_))
-    if (position_config := config.get(CONF_POSITION)) is not None:
-        template_ = await cg.templatable(position_config, args, cg.float_)
-        cg.add(var.set_position(template_))
-    return var
+
+    # All configured fields are folded into a single stateless lambda whose
+    # constants live in flash; the action stores only a function pointer.
+    # CONF_STATE and CONF_POSITION are cv.Exclusive in the schema, so at most
+    # one is present and both dispatch to set_position.
+    FIELDS = (
+        (CONF_STOP, "set_stop", cg.bool_),
+        (CONF_STATE, "set_position", cg.float_),
+        (CONF_POSITION, "set_position", cg.float_),
+    )
+
+    fwd_args = ", ".join(name for _, name in args)
+    body_lines: list[str] = []
+    for conf_key, setter, type_ in FIELDS:
+        if (value := config.get(conf_key)) is None:
+            continue
+        if isinstance(value, Lambda):
+            inner = await cg.process_lambda(value, args, return_type=type_)
+            body_lines.append(f"call.{setter}(({inner})({fwd_args}));")
+        else:
+            body_lines.append(f"call.{setter}({cg.safe_exp(value)});")
+
+    # Match ControlAction::ApplyFn signature: const Ts &... for trigger args.
+    apply_args = [
+        (ValveCall.operator("ref"), "call"),
+        *((t.operator("const").operator("ref"), n) for t, n in args),
+    ]
+    apply_lambda = LambdaExpression(
+        ["\n".join(body_lines)],
+        apply_args,
+        capture="",
+        return_type=cg.void,
+    )
+    return cg.new_Pvariable(action_id, template_arg, paren, apply_lambda)
 
 
 @coroutine_with_priority(CoroPriority.CORE)

esphome/components/valve/automation.h

@@ -47,24 +47,25 @@ template<typename... Ts> class ToggleAction : public Action<Ts...> {
   Valve *valve_;
 };
 
+// All configured fields are baked into a single stateless lambda whose
+// constants live in flash. The action only stores one function pointer
+// plus one parent pointer, regardless of how many fields the user set.
+// Trigger args are forwarded to the apply function so user lambdas
+// (e.g. `position: !lambda "return x;"`) keep working.
 template<typename... Ts> class ControlAction : public Action<Ts...> {
  public:
-  explicit ControlAction(Valve *valve) : valve_(valve) {}
-
-  TEMPLATABLE_VALUE(bool, stop)
-  TEMPLATABLE_VALUE(float, position)
+  using ApplyFn = void (*)(ValveCall &, const Ts &...);
+  ControlAction(Valve *valve, ApplyFn apply) : valve_(valve), apply_(apply) {}
 
   void play(const Ts &...x) override {
     auto call = this->valve_->make_call();
-    if (this->stop_.has_value())
-      call.set_stop(this->stop_.value(x...));
-    if (this->position_.has_value())
-      call.set_position(this->position_.value(x...));
+    this->apply_(call, x...);
     call.perform();
   }
 
  protected:
   Valve *valve_;
+  ApplyFn apply_;
 };
 
 template<typename... Ts> class ValveIsOpenCondition : public Condition<Ts...> {

esphome/components/watchdog/watchdog.cpp

@@ -39,9 +39,18 @@ void WatchdogManager::set_timeout_(uint32_t timeout_ms) {
 #ifdef USE_ESP32
   esp_task_wdt_config_t wdt_config = {
       .timeout_ms = timeout_ms,
-      .idle_core_mask = (1U << CONFIG_FREERTOS_NUMBER_OF_CORES) - 1U,
-      .trigger_panic = true,
+      .idle_core_mask = 0,
+      .trigger_panic = false,
   };
+#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
+  wdt_config.idle_core_mask |= (1U << 0U);
+#endif
+#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
+  wdt_config.idle_core_mask |= (1U << 1U);
+#endif
+#if CONFIG_ESP_TASK_WDT_PANIC
+  wdt_config.trigger_panic = true;
+#endif
   esp_task_wdt_reconfigure(&wdt_config);
 #endif  // USE_ESP32
 

esphome/config.py

@@ -25,7 +25,10 @@ from esphome.const import (
     CONF_SUBSTITUTIONS,
 )
 from esphome.core import CORE, DocumentRange, EsphomeError
-import esphome.core.config as core_config
+
+# `esphome.core.config` is imported lazily at its two use sites below.
+# It pulls in `esphome.automation` and `esphome.config_validation`, which
+# dominate `esphome.__main__` startup cost when loaded eagerly here.
 import esphome.final_validate as fv
 from esphome.helpers import indent
 from esphome.loader import ComponentManifest, get_component, get_platform
@@ -968,6 +971,8 @@ class CoreFinalValidateStep(ConfigValidationStep):
         if result.errors:
             return
 
+        import esphome.core.config as core_config
+
         token = fv.full_config.set(result)
         with result.catch_error([CONF_ESPHOME]):
             if CONF_ESPHOME in result:
@@ -1073,6 +1078,8 @@ def validate_config(
         return result
 
     # 2. Load partial core config
+    import esphome.core.config as core_config
+
     result[CONF_ESPHOME] = config[CONF_ESPHOME]
     result.add_output_path([CONF_ESPHOME], CONF_ESPHOME)
     try:

esphome/core/hal/hal_esp8266.h

@@ -66,6 +66,8 @@ __attribute__((always_inline)) inline void arch_init() {}
 __attribute__((always_inline)) inline uint32_t arch_get_cpu_cycle_count() { return esp_get_cycle_count(); }
 __attribute__((always_inline)) inline uint32_t arch_get_cpu_freq_hz() { return F_CPU; }
 
+uint32_t arch_get_cpu_cycle_count();
+
 }  // namespace esphome
 
 #endif  // USE_ESP8266

esphome/core/scheduler.cpp

@@ -35,7 +35,9 @@ static constexpr uint32_t MAX_INTERVAL_DELAY = 5000;
 // Uses a stack buffer to avoid heap allocation
 // Uses ESPHOME_snprintf_P/ESPHOME_PSTR for ESP8266 to keep format strings in flash
 struct SchedulerNameLog {
-  char buffer[20];  // Enough for "id:4294967295" or "hash:0xFFFFFFFF" or "(null)"
+  // Sized for the widest formatted output: "self:0x" + 16 hex digits (64-bit pointer) + nul.
+  // Also covers "id:4294967295", "hash:0xFFFFFFFF", "iid:4294967295", "(null)".
+  char buffer[28];
 
   // Format a scheduler item name for logging
   // Returns pointer to formatted string (either static_name or internal buffer)
@@ -53,9 +55,15 @@ struct SchedulerNameLog {
     } else if (name_type == NameType::NUMERIC_ID) {
       ESPHOME_snprintf_P(buffer, sizeof(buffer), ESPHOME_PSTR("id:%" PRIu32), hash_or_id);
       return buffer;
-    } else {  // NUMERIC_ID_INTERNAL
+    } else if (name_type == NameType::NUMERIC_ID_INTERNAL) {
       ESPHOME_snprintf_P(buffer, sizeof(buffer), ESPHOME_PSTR("iid:%" PRIu32), hash_or_id);
       return buffer;
+    } else {  // SELF_POINTER
+      // static_name carries the void* key for SELF_POINTER (pointer-width union slot).
+      // %p is specified as void* (not const void*), so strip const for the varargs call.
+      ESPHOME_snprintf_P(buffer, sizeof(buffer), ESPHOME_PSTR("self:%p"),
+                         const_cast<void *>(static_cast<const void *>(static_name)));
+      return buffer;
     }
   }
 };
@@ -293,6 +301,27 @@ bool HOT Scheduler::cancel_interval(Component *component, uint32_t id) {
   return this->cancel_item_(component, NameType::NUMERIC_ID, nullptr, id, SchedulerItem::INTERVAL);
 }
 
+// Self-keyed scheduler API. The cancellation key is `self` (typically the caller's `this`),
+// passed through the existing static_name pointer slot. Matching is by raw pointer equality
+// (see matches_item_locked_'s SELF_POINTER branch). No Component pointer is stored, so
+// is_failed() skip and component-based log attribution don't apply.
+void HOT Scheduler::set_timeout(const void *self, uint32_t timeout, std::function<void()> &&func) {
+  this->set_timer_common_(nullptr, SchedulerItem::TIMEOUT, NameType::SELF_POINTER, static_cast<const char *>(self), 0,
+                          timeout, std::move(func));
+}
+void HOT Scheduler::set_interval(const void *self, uint32_t interval, std::function<void()> &&func) {
+  this->set_timer_common_(nullptr, SchedulerItem::INTERVAL, NameType::SELF_POINTER, static_cast<const char *>(self), 0,
+                          interval, std::move(func));
+}
+bool HOT Scheduler::cancel_timeout(const void *self) {
+  return this->cancel_item_(nullptr, NameType::SELF_POINTER, static_cast<const char *>(self), 0,
+                            SchedulerItem::TIMEOUT);
+}
+bool HOT Scheduler::cancel_interval(const void *self) {
+  return this->cancel_item_(nullptr, NameType::SELF_POINTER, static_cast<const char *>(self), 0,
+                            SchedulerItem::INTERVAL);
+}
+
 // Suppress deprecation warnings for RetryResult usage in the still-present (but deprecated) retry implementation.
 // Remove before 2026.8.0 along with all retry code.
 #pragma GCC diagnostic push

esphome/core/scheduler.h

@@ -146,22 +146,43 @@ class Scheduler {
   }
 
   // Name storage type discriminator for SchedulerItem
-  // Used to distinguish between static strings, hashed strings, numeric IDs, and internal numeric IDs
+  // Used to distinguish between static strings, hashed strings, numeric IDs, internal numeric IDs,
+  // and self-keyed pointers (caller-supplied `void *`, typically `this`).
   enum class NameType : uint8_t {
-    STATIC_STRING = 0,       // const char* pointer to static/flash storage
-    HASHED_STRING = 1,       // uint32_t FNV-1a hash of a runtime string
-    NUMERIC_ID = 2,          // uint32_t numeric identifier (component-level)
-    NUMERIC_ID_INTERNAL = 3  // uint32_t numeric identifier (core/internal, separate namespace)
+    STATIC_STRING = 0,        // const char* pointer to static/flash storage
+    HASHED_STRING = 1,        // uint32_t FNV-1a hash of a runtime string
+    NUMERIC_ID = 2,           // uint32_t numeric identifier (component-level)
+    NUMERIC_ID_INTERNAL = 3,  // uint32_t numeric identifier (core/internal, separate namespace)
+    SELF_POINTER = 4          // void* caller-supplied key (typically `this`); pointer equality
   };
 
+  /** Self-keyed timeout. The cancellation key is `self` (typically the caller's `this`).
+   *
+   * Use this when the caller schedules at most one timer of a single purpose at a time and
+   * does not need a `Component` for `is_failed()` skip or log source attribution. Lets
+   * small classes drop `Component` inheritance entirely when their only Component dependency
+   * was the per-instance scheduler key.
+   *
+   * NOT applied for self-keyed items:
+   *  - `is_failed()` skip — callbacks always fire (no Component to consult).
+   *  - Log source attribution — logs use a generic "self:0x…" label.
+   *
+   * If you need either of those, use the existing `(Component *, id)` overloads.
+   */
+  void set_timeout(const void *self, uint32_t timeout, std::function<void()> &&func);
+  /// Self-keyed interval. See set_timeout(const void *, ...) for semantics.
+  void set_interval(const void *self, uint32_t interval, std::function<void()> &&func);
+  bool cancel_timeout(const void *self);
+  bool cancel_interval(const void *self);
+
  protected:
   struct SchedulerItem {
     // Ordered by size to minimize padding
     Component *component;
     // Optimized name storage using tagged union - zero heap allocation
     union {
-      const char *static_name;  // For STATIC_STRING (string literals, no allocation)
-      uint32_t hash_or_id;      // For HASHED_STRING or NUMERIC_ID
+      const char *static_name;  // For STATIC_STRING (string literals) and SELF_POINTER (caller's `this`)
+      uint32_t hash_or_id;      // For HASHED_STRING, NUMERIC_ID, and NUMERIC_ID_INTERNAL
     } name_;
     uint32_t interval;
     // Split time to handle millis() rollover. The scheduler combines the 32-bit millis()
@@ -182,19 +203,19 @@ class Scheduler {
     // std::atomic<uint8_t> inlines correctly on all platforms.
     std::atomic<uint8_t> remove{0};
 
-    // Bit-packed fields (4 bits used, 4 bits padding in 1 byte)
-    enum Type : uint8_t { TIMEOUT, INTERVAL } type : 1;
-    NameType name_type_ : 2;  // Discriminator for name_ union (0–3, see NameType enum)
-    bool is_retry : 1;        // True if this is a retry timeout
-                              // 4 bits padding
-#else
-    // Single-threaded or multi-threaded without atomics: can pack all fields together
     // Bit-packed fields (5 bits used, 3 bits padding in 1 byte)
     enum Type : uint8_t { TIMEOUT, INTERVAL } type : 1;
-    bool remove : 1;
-    NameType name_type_ : 2;  // Discriminator for name_ union (0–3, see NameType enum)
+    NameType name_type_ : 3;  // Discriminator for name_ union (0–4, see NameType enum)
     bool is_retry : 1;        // True if this is a retry timeout
                               // 3 bits padding
+#else
+    // Single-threaded or multi-threaded without atomics: can pack all fields together
+    // Bit-packed fields (6 bits used, 2 bits padding in 1 byte)
+    enum Type : uint8_t { TIMEOUT, INTERVAL } type : 1;
+    bool remove : 1;
+    NameType name_type_ : 3;  // Discriminator for name_ union (0–4, see NameType enum)
+    bool is_retry : 1;        // True if this is a retry timeout
+                              // 2 bits padding
 #endif
 
     // Constructor
@@ -228,19 +249,26 @@ class Scheduler {
     SchedulerItem(SchedulerItem &&) = delete;
     SchedulerItem &operator=(SchedulerItem &&) = delete;
 
-    // Helper to get the static name (only valid for STATIC_STRING type)
-    const char *get_name() const { return (name_type_ == NameType::STATIC_STRING) ? name_.static_name : nullptr; }
+    // Helper to get the pointer-slot value (valid for STATIC_STRING and SELF_POINTER types).
+    // Both share the same union member, so callers (e.g. log formatters) can read either uniformly.
+    const char *get_name() const {
+      return (name_type_ == NameType::STATIC_STRING || name_type_ == NameType::SELF_POINTER) ? name_.static_name
+                                                                                             : nullptr;
+    }
 
-    // Helper to get the hash or numeric ID (only valid for HASHED_STRING or NUMERIC_ID types)
-    uint32_t get_name_hash_or_id() const { return (name_type_ != NameType::STATIC_STRING) ? name_.hash_or_id : 0; }
+    // Helper to get the hash or numeric ID (only valid for HASHED_STRING / NUMERIC_ID / NUMERIC_ID_INTERNAL types)
+    uint32_t get_name_hash_or_id() const {
+      return (name_type_ != NameType::STATIC_STRING && name_type_ != NameType::SELF_POINTER) ? name_.hash_or_id : 0;
+    }
 
     // Helper to get the name type
     NameType get_name_type() const { return name_type_; }
 
-    // Set name storage: for STATIC_STRING stores the pointer, for all other types stores hash_or_id.
-    // Both union members occupy the same offset, so only one store is needed.
+    // Set name storage. STATIC_STRING/SELF_POINTER use the static_name pointer slot
+    // (both are pointer-width); other types use hash_or_id. Both union members occupy
+    // the same offset, so only one store is needed.
     void set_name(NameType type, const char *static_name, uint32_t hash_or_id) {
-      if (type == NameType::STATIC_STRING) {
+      if (type == NameType::STATIC_STRING || type == NameType::SELF_POINTER) {
         name_.static_name = static_name;
       } else {
         name_.hash_or_id = hash_or_id;
@@ -367,10 +395,14 @@ class Scheduler {
     // Name type must match
     if (item->get_name_type() != name_type)
       return false;
-    // For static strings, compare the string content; for hash/ID, compare the value
+    // STATIC_STRING: compare string content. SELF_POINTER: raw pointer equality (no strcmp).
+    // Other types: compare hash/ID value.
     if (name_type == NameType::STATIC_STRING) {
       return this->names_match_static_(item->get_name(), static_name);
     }
+    if (name_type == NameType::SELF_POINTER) {
+      return item->name_.static_name == static_name;
+    }
     return item->get_name_hash_or_id() == hash_or_id;
   }
 

esphome/external_files.py

@@ -175,6 +175,11 @@ def download_content(url: str, path: Path, timeout: int = NETWORK_TIMEOUT) -> by
             headers={"User-agent": f"ESPHome/{__version__} (https://esphome.io)"},
         )
         req.raise_for_status()
+        # `.content` reads the body lazily; chunked-decode, gzip-decode,
+        # and mid-stream connection errors all surface here as
+        # RequestException subclasses, so this needs the same fall-back
+        # treatment as the request itself.
+        data = req.content
     except requests.exceptions.RequestException as e:
         if path.exists():
             _LOGGER.warning(
@@ -185,7 +190,6 @@ def download_content(url: str, path: Path, timeout: int = NETWORK_TIMEOUT) -> by
             return path.read_bytes()
         raise cv.Invalid(f"Could not download from {url}: {e}") from e
 
-    data = req.content
     write_file(path, data)
     _write_etag(path, req.headers.get(ETAG))
     return data

esphome/loader.py

@@ -9,14 +9,23 @@ import logging
 from pathlib import Path
 import sys
 from types import ModuleType
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 from esphome.const import SOURCE_FILE_EXTENSIONS
 from esphome.core import CORE
-import esphome.core.config
-from esphome.cpp_generator import MockObjClass
 from esphome.types import ConfigType
 
+if TYPE_CHECKING:
+    from esphome.cpp_generator import MockObjClass
+
+# `esphome.core.config` is imported lazily in `_lookup_module` when the
+# "esphome" pseudo-component is first resolved. It pulls in
+# `esphome.automation` and `esphome.config_validation`, which together
+# dominate `esphome.__main__` startup cost when loaded eagerly.
+# `esphome.cpp_generator` is similarly avoided at module scope; it pulls
+# in `esphome.yaml_util` and is only needed for the `MockObjClass` type
+# annotation, which is resolved lazily via `TYPE_CHECKING`.
+
 _LOGGER = logging.getLogger(__name__)
 
 
@@ -94,7 +103,7 @@ class ComponentManifest:
         return getattr(self.module, "CODEOWNERS", [])
 
     @property
-    def instance_type(self) -> MockObjClass | None:
+    def instance_type(self) -> "MockObjClass | None":
         return getattr(self.module, "INSTANCE_TYPE", None)
 
     @property
@@ -213,6 +222,13 @@ def _lookup_module(domain: str, exception: bool) -> ComponentManifest | None:
     if domain in _COMPONENT_CACHE:
         return _COMPONENT_CACHE[domain]
 
+    if domain == "esphome":
+        import esphome.core.config
+
+        manif = ComponentManifest(esphome.core.config, recursive_sources=True)
+        _COMPONENT_CACHE[domain] = manif
+        return manif
+
     try:
         module = importlib.import_module(f"esphome.components.{domain}")
     except ImportError as e:
@@ -248,9 +264,6 @@ def get_platform(domain: str, platform: str) -> ComponentManifest | None:
 
 _COMPONENT_CACHE: dict[str, ComponentManifest] = {}
 CORE_COMPONENTS_PATH = (Path(__file__).parent / "components").resolve()
-_COMPONENT_CACHE["esphome"] = ComponentManifest(
-    esphome.core.config, recursive_sources=True
-)
 
 
 def _replace_component_manifest(domain: str, manifest: ComponentManifest) -> None: