Reduce binary size with field-level conditional compilation for protobuf messages

esphome/components/api/api.proto

@@ -222,37 +222,37 @@ message DeviceInfoResponse {
   // The model of the board. For example NodeMCU
   string model = 6;
 
-  bool has_deep_sleep = 7;
+  bool has_deep_sleep = 7 [(field_ifdef) = "USE_DEEP_SLEEP"];
 
   // The esphome project details if set
-  string project_name = 8;
+  string project_name = 8 [(field_ifdef) = "ESPHOME_PROJECT_NAME"];
-  string project_version = 9;
+  string project_version = 9 [(field_ifdef) = "ESPHOME_PROJECT_NAME"];
 
-  uint32 webserver_port = 10;
+  uint32 webserver_port = 10 [(field_ifdef) = "USE_WEBSERVER"];
 
-  uint32 legacy_bluetooth_proxy_version = 11;
+  uint32 legacy_bluetooth_proxy_version = 11 [(field_ifdef) = "USE_BLUETOOTH_PROXY"];
-  uint32 bluetooth_proxy_feature_flags = 15;
+  uint32 bluetooth_proxy_feature_flags = 15 [(field_ifdef) = "USE_BLUETOOTH_PROXY"];
 
   string manufacturer = 12;
 
   string friendly_name = 13;
 
-  uint32 legacy_voice_assistant_version = 14;
+  uint32 legacy_voice_assistant_version = 14 [(field_ifdef) = "USE_VOICE_ASSISTANT"];
-  uint32 voice_assistant_feature_flags = 17;
+  uint32 voice_assistant_feature_flags = 17 [(field_ifdef) = "USE_VOICE_ASSISTANT"];
 
-  string suggested_area = 16;
+  string suggested_area = 16 [(field_ifdef) = "USE_AREAS"];
 
   // The Bluetooth mac address of the device. For example "AC:BC:32:89:0E:AA"
-  string bluetooth_mac_address = 18;
+  string bluetooth_mac_address = 18 [(field_ifdef) = "USE_BLUETOOTH_PROXY"];
 
   // Supports receiving and saving api encryption key
-  bool api_encryption_supported = 19;
+  bool api_encryption_supported = 19 [(field_ifdef) = "USE_API_NOISE"];
 
-  repeated DeviceInfo devices = 20;
+  repeated DeviceInfo devices = 20 [(field_ifdef) = "USE_DEVICES"];
-  repeated AreaInfo areas = 21;
+  repeated AreaInfo areas = 21 [(field_ifdef) = "USE_AREAS"];
 
   // Top-level area info to phase out suggested_area
-  AreaInfo area = 22;
+  AreaInfo area = 22 [(field_ifdef) = "USE_AREAS"];
 }
 
 message ListEntitiesRequest {
@@ -295,9 +295,9 @@ message ListEntitiesBinarySensorResponse {
   string device_class = 5;
   bool is_status_binary_sensor = 6;
   bool disabled_by_default = 7;
-  string icon = 8;
+  string icon = 8 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 9;
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 message BinarySensorStateResponse {
   option (id) = 21;
@@ -331,10 +331,10 @@ message ListEntitiesCoverResponse {
   bool supports_tilt = 7;
   string device_class = 8;
   bool disabled_by_default = 9;
-  string icon = 10;
+  string icon = 10 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 11;
   bool supports_stop = 12;
-  uint32 device_id = 13;
+  uint32 device_id = 13 [(field_ifdef) = "USE_DEVICES"];
 }
 
 enum LegacyCoverState {
@@ -388,7 +388,7 @@ message CoverCommandRequest {
   bool has_tilt = 6;
   float tilt = 7;
   bool stop = 8;
-  uint32 device_id = 9;
+  uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];
 }
 
 // ==================== FAN ====================
@@ -408,10 +408,10 @@ message ListEntitiesFanResponse {
   bool supports_direction = 7;
   int32 supported_speed_count = 8;
   bool disabled_by_default = 9;
-  string icon = 10;
+  string icon = 10 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 11;
   repeated string supported_preset_modes = 12;
-  uint32 device_id = 13;
+  uint32 device_id = 13 [(field_ifdef) = "USE_DEVICES"];
 }
 enum FanSpeed {
   FAN_SPEED_LOW = 0;
@@ -436,7 +436,7 @@ message FanStateResponse {
   FanDirection direction = 5;
   int32 speed_level = 6;
   string preset_mode = 7;
-  uint32 device_id = 8;
+  uint32 device_id = 8 [(field_ifdef) = "USE_DEVICES"];
 }
 message FanCommandRequest {
   option (id) = 31;
@@ -496,9 +496,9 @@ message ListEntitiesLightResponse {
   float max_mireds = 10;
   repeated string effects = 11;
   bool disabled_by_default = 13;
-  string icon = 14;
+  string icon = 14 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 15;
-  uint32 device_id = 16;
+  uint32 device_id = 16 [(field_ifdef) = "USE_DEVICES"];
 }
 message LightStateResponse {
   option (id) = 24;
@@ -584,7 +584,7 @@ message ListEntitiesSensorResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   string unit_of_measurement = 6;
   int32 accuracy_decimals = 7;
   bool force_update = 8;
@@ -623,12 +623,12 @@ message ListEntitiesSwitchResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool assumed_state = 6;
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
   string device_class = 9;
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 message SwitchStateResponse {
   option (id) = 26;
@@ -665,11 +665,11 @@ message ListEntitiesTextSensorResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
-  uint32 device_id = 9;
+  uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];
 }
 message TextSensorStateResponse {
   option (id) = 27;
@@ -855,9 +855,9 @@ message ListEntitiesCameraResponse {
   string name = 3;
   string unique_id = 4;
   bool disabled_by_default = 5;
-  string icon = 6;
+  string icon = 6 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 7;
-  uint32 device_id = 8;
+  uint32 device_id = 8 [(field_ifdef) = "USE_DEVICES"];
 }
 
 message CameraImageResponse {
@@ -955,14 +955,14 @@ message ListEntitiesClimateResponse {
   repeated ClimatePreset supported_presets = 16;
   repeated string supported_custom_presets = 17;
   bool disabled_by_default = 18;
-  string icon = 19;
+  string icon = 19 [(field_ifdef) = "USE_ENTITY_ICON"];
   EntityCategory entity_category = 20;
   float visual_current_temperature_step = 21;
   bool supports_current_humidity = 22;
   bool supports_target_humidity = 23;
   float visual_min_humidity = 24;
   float visual_max_humidity = 25;
-  uint32 device_id = 26;
+  uint32 device_id = 26 [(field_ifdef) = "USE_DEVICES"];
 }
 message ClimateStateResponse {
   option (id) = 47;
@@ -987,7 +987,7 @@ message ClimateStateResponse {
   string custom_preset = 13;
   float current_humidity = 14;
   float target_humidity = 15;
-  uint32 device_id = 16;
+  uint32 device_id = 16 [(field_ifdef) = "USE_DEVICES"];
 }
 message ClimateCommandRequest {
   option (id) = 48;
@@ -1040,7 +1040,7 @@ message ListEntitiesNumberResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   float min_value = 6;
   float max_value = 7;
   float step = 8;
@@ -1089,11 +1089,11 @@ message ListEntitiesSelectResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   repeated string options = 6;
   bool disabled_by_default = 7;
   EntityCategory entity_category = 8;
-  uint32 device_id = 9;
+  uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];
 }
 message SelectStateResponse {
   option (id) = 53;
@@ -1133,13 +1133,13 @@ message ListEntitiesSirenResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   repeated string tones = 7;
   bool supports_duration = 8;
   bool supports_volume = 9;
   EntityCategory entity_category = 10;
-  uint32 device_id = 11;
+  uint32 device_id = 11 [(field_ifdef) = "USE_DEVICES"];
 }
 message SirenStateResponse {
   option (id) = 56;
@@ -1168,7 +1168,7 @@ message SirenCommandRequest {
   uint32 duration = 7;
   bool has_volume = 8;
   float volume = 9;
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 
 // ==================== LOCK ====================
@@ -1196,7 +1196,7 @@ message ListEntitiesLockResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   bool assumed_state = 8;
@@ -1206,7 +1206,7 @@ message ListEntitiesLockResponse {
 
   // Not yet implemented:
   string code_format = 11;
-  uint32 device_id = 12;
+  uint32 device_id = 12 [(field_ifdef) = "USE_DEVICES"];
 }
 message LockStateResponse {
   option (id) = 59;
@@ -1245,11 +1245,11 @@ message ListEntitiesButtonResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
-  uint32 device_id = 9;
+  uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];
 }
 message ButtonCommandRequest {
   option (id) = 62;
@@ -1300,7 +1300,7 @@ message ListEntitiesMediaPlayerResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
 
@@ -1308,7 +1308,7 @@ message ListEntitiesMediaPlayerResponse {
 
   repeated MediaPlayerSupportedFormat supported_formats = 9;
 
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 message MediaPlayerStateResponse {
   option (id) = 64;
@@ -1342,7 +1342,7 @@ message MediaPlayerCommandRequest {
 
   bool has_announcement = 8;
   bool announcement = 9;
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 
 // ==================== BLUETOOTH ====================
@@ -1846,13 +1846,13 @@ message ListEntitiesAlarmControlPanelResponse {
   fixed32 key = 2;
   string name = 3;
   string unique_id = 4;
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   uint32 supported_features = 8;
   bool requires_code = 9;
   bool requires_code_to_arm = 10;
-  uint32 device_id = 11;
+  uint32 device_id = 11 [(field_ifdef) = "USE_DEVICES"];
 }
 
 message AlarmControlPanelStateResponse {
@@ -1893,7 +1893,7 @@ message ListEntitiesTextResponse {
   fixed32 key = 2;
   string name = 3;
   string unique_id = 4;
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
 
@@ -1901,7 +1901,7 @@ message ListEntitiesTextResponse {
   uint32 max_length = 9;
   string pattern = 10;
   TextMode mode = 11;
-  uint32 device_id = 12;
+  uint32 device_id = 12 [(field_ifdef) = "USE_DEVICES"];
 }
 message TextStateResponse {
   option (id) = 98;
@@ -1942,10 +1942,10 @@ message ListEntitiesDateResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
-  uint32 device_id = 8;
+  uint32 device_id = 8 [(field_ifdef) = "USE_DEVICES"];
 }
 message DateStateResponse {
   option (id) = 101;
@@ -1989,10 +1989,10 @@ message ListEntitiesTimeResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
-  uint32 device_id = 8;
+  uint32 device_id = 8 [(field_ifdef) = "USE_DEVICES"];
 }
 message TimeStateResponse {
   option (id) = 104;
@@ -2036,13 +2036,13 @@ message ListEntitiesEventResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
 
   repeated string event_types = 9;
-  uint32 device_id = 10;
+  uint32 device_id = 10 [(field_ifdef) = "USE_DEVICES"];
 }
 message EventResponse {
   option (id) = 108;
@@ -2067,7 +2067,7 @@ message ListEntitiesValveResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
@@ -2075,7 +2075,7 @@ message ListEntitiesValveResponse {
   bool assumed_state = 9;
   bool supports_position = 10;
   bool supports_stop = 11;
-  uint32 device_id = 12;
+  uint32 device_id = 12 [(field_ifdef) = "USE_DEVICES"];
 }
 
 enum ValveOperation {
@@ -2122,10 +2122,10 @@ message ListEntitiesDateTimeResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
-  uint32 device_id = 8;
+  uint32 device_id = 8 [(field_ifdef) = "USE_DEVICES"];
 }
 message DateTimeStateResponse {
   option (id) = 113;
@@ -2165,11 +2165,11 @@ message ListEntitiesUpdateResponse {
   string name = 3;
   string unique_id = 4;
 
-  string icon = 5;
+  string icon = 5 [(field_ifdef) = "USE_ENTITY_ICON"];
   bool disabled_by_default = 6;
   EntityCategory entity_category = 7;
   string device_class = 8;
-  uint32 device_id = 9;
+  uint32 device_id = 9 [(field_ifdef) = "USE_DEVICES"];
 }
 message UpdateStateResponse {
   option (id) = 117;
@@ -2188,7 +2188,7 @@ message UpdateStateResponse {
   string title = 8;
   string release_summary = 9;
   string release_url = 10;
-  uint32 device_id = 11;
+  uint32 device_id = 11 [(field_ifdef) = "USE_DEVICES"];
 }
 enum UpdateCommand {
   UPDATE_COMMAND_NONE = 0;

esphome/components/api/api_connection.cpp

@@ -1485,7 +1485,9 @@ DeviceInfoResponse APIConnection::device_info(const DeviceInfoRequest &msg) {
 #endif
   resp.name = App.get_name();
   resp.friendly_name = App.get_friendly_name();
+#ifdef USE_AREAS
   resp.suggested_area = App.get_area();
+#endif
   resp.mac_address = get_mac_address_pretty();
   resp.esphome_version = ESPHOME_VERSION;
   resp.compilation_time = App.get_compilation_time();

esphome/components/api/api_connection.h

@@ -282,8 +282,10 @@ class APIConnection : public APIServerConnection {
     if (entity->has_own_name())
       response.name = entity->get_name();
 
-    // Set common EntityBase properties
+      // Set common EntityBase properties
+#ifdef USE_ENTITY_ICON
     response.icon = entity->get_icon();
+#endif
     response.disabled_by_default = entity->is_disabled_by_default();
     response.entity_category = static_cast<enums::EntityCategory>(entity->get_entity_category());
 #ifdef USE_DEVICES

esphome/components/api/api_options.proto

@@ -23,3 +23,7 @@ extend google.protobuf.MessageOptions {
     optional bool no_delay = 1040 [default=false];
     optional string base_class = 1041;
 }
+
+extend google.protobuf.FieldOptions {
+    optional string field_ifdef = 1042;
+}

esphome/components/api/api_pb2.cpp

@@ -126,26 +126,54 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(4, this->esphome_version);
   buffer.encode_string(5, this->compilation_time);
   buffer.encode_string(6, this->model);
+#ifdef USE_DEEP_SLEEP
   buffer.encode_bool(7, this->has_deep_sleep);
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   buffer.encode_string(8, this->project_name);
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   buffer.encode_string(9, this->project_version);
+#endif
+#ifdef USE_WEBSERVER
   buffer.encode_uint32(10, this->webserver_port);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   buffer.encode_uint32(11, this->legacy_bluetooth_proxy_version);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   buffer.encode_uint32(15, this->bluetooth_proxy_feature_flags);
+#endif
   buffer.encode_string(12, this->manufacturer);
   buffer.encode_string(13, this->friendly_name);
+#ifdef USE_VOICE_ASSISTANT
   buffer.encode_uint32(14, this->legacy_voice_assistant_version);
+#endif
+#ifdef USE_VOICE_ASSISTANT
   buffer.encode_uint32(17, this->voice_assistant_feature_flags);
+#endif
+#ifdef USE_AREAS
   buffer.encode_string(16, this->suggested_area);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   buffer.encode_string(18, this->bluetooth_mac_address);
+#endif
+#ifdef USE_API_NOISE
   buffer.encode_bool(19, this->api_encryption_supported);
+#endif
+#ifdef USE_DEVICES
   for (auto &it : this->devices) {
     buffer.encode_message(20, it, true);
   }
+#endif
+#ifdef USE_AREAS
   for (auto &it : this->areas) {
     buffer.encode_message(21, it, true);
   }
+#endif
+#ifdef USE_AREAS
   buffer.encode_message(22, this->area);
+#endif
 }
 void DeviceInfoResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->uses_password);
@@ -154,22 +182,50 @@ void DeviceInfoResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->esphome_version);
   ProtoSize::add_string_field(total_size, 1, this->compilation_time);
   ProtoSize::add_string_field(total_size, 1, this->model);
+#ifdef USE_DEEP_SLEEP
   ProtoSize::add_bool_field(total_size, 1, this->has_deep_sleep);
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   ProtoSize::add_string_field(total_size, 1, this->project_name);
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   ProtoSize::add_string_field(total_size, 1, this->project_version);
+#endif
+#ifdef USE_WEBSERVER
   ProtoSize::add_uint32_field(total_size, 1, this->webserver_port);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   ProtoSize::add_uint32_field(total_size, 1, this->legacy_bluetooth_proxy_version);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   ProtoSize::add_uint32_field(total_size, 1, this->bluetooth_proxy_feature_flags);
+#endif
   ProtoSize::add_string_field(total_size, 1, this->manufacturer);
   ProtoSize::add_string_field(total_size, 1, this->friendly_name);
+#ifdef USE_VOICE_ASSISTANT
   ProtoSize::add_uint32_field(total_size, 1, this->legacy_voice_assistant_version);
+#endif
+#ifdef USE_VOICE_ASSISTANT
   ProtoSize::add_uint32_field(total_size, 2, this->voice_assistant_feature_flags);
+#endif
+#ifdef USE_AREAS
   ProtoSize::add_string_field(total_size, 2, this->suggested_area);
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   ProtoSize::add_string_field(total_size, 2, this->bluetooth_mac_address);
+#endif
+#ifdef USE_API_NOISE
   ProtoSize::add_bool_field(total_size, 2, this->api_encryption_supported);
+#endif
+#ifdef USE_DEVICES
   ProtoSize::add_repeated_message(total_size, 2, this->devices);
+#endif
+#ifdef USE_AREAS
   ProtoSize::add_repeated_message(total_size, 2, this->areas);
+#endif
+#ifdef USE_AREAS
   ProtoSize::add_message_object(total_size, 2, this->area);
+#endif
 }
 #ifdef USE_BINARY_SENSOR
 void ListEntitiesBinarySensorResponse::encode(ProtoWriteBuffer buffer) const {
@@ -180,9 +236,13 @@ void ListEntitiesBinarySensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(5, this->device_class);
   buffer.encode_bool(6, this->is_status_binary_sensor);
   buffer.encode_bool(7, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(8, this->icon);
+#endif
   buffer.encode_uint32(9, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(10, this->device_id);
+#endif
 }
 void ListEntitiesBinarySensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -192,9 +252,13 @@ void ListEntitiesBinarySensorResponse::calculate_size(uint32_t &total_size) cons
   ProtoSize::add_string_field(total_size, 1, this->device_class);
   ProtoSize::add_bool_field(total_size, 1, this->is_status_binary_sensor);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void BinarySensorStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -220,10 +284,14 @@ void ListEntitiesCoverResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(7, this->supports_tilt);
   buffer.encode_string(8, this->device_class);
   buffer.encode_bool(9, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(10, this->icon);
+#endif
   buffer.encode_uint32(11, static_cast<uint32_t>(this->entity_category));
   buffer.encode_bool(12, this->supports_stop);
+#ifdef USE_DEVICES
   buffer.encode_uint32(13, this->device_id);
+#endif
 }
 void ListEntitiesCoverResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -235,10 +303,14 @@ void ListEntitiesCoverResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->supports_tilt);
   ProtoSize::add_string_field(total_size, 1, this->device_class);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_bool_field(total_size, 1, this->supports_stop);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void CoverStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -278,10 +350,12 @@ bool CoverCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
       this->stop = value.as_bool();
       return true;
     }
+#ifdef USE_DEVICES
     case 9: {
       this->device_id = value.as_uint32();
       return true;
     }
+#endif
     default:
       return false;
   }
@@ -316,12 +390,16 @@ void ListEntitiesFanResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(7, this->supports_direction);
   buffer.encode_int32(8, this->supported_speed_count);
   buffer.encode_bool(9, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(10, this->icon);
+#endif
   buffer.encode_uint32(11, static_cast<uint32_t>(this->entity_category));
   for (auto &it : this->supported_preset_modes) {
     buffer.encode_string(12, it, true);
   }
+#ifdef USE_DEVICES
   buffer.encode_uint32(13, this->device_id);
+#endif
 }
 void ListEntitiesFanResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -333,14 +411,18 @@ void ListEntitiesFanResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->supports_direction);
   ProtoSize::add_int32_field(total_size, 1, this->supported_speed_count);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   if (!this->supported_preset_modes.empty()) {
     for (const auto &it : this->supported_preset_modes) {
       ProtoSize::add_string_field_repeated(total_size, 1, it);
     }
   }
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void FanStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -350,7 +432,9 @@ void FanStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(5, static_cast<uint32_t>(this->direction));
   buffer.encode_int32(6, this->speed_level);
   buffer.encode_string(7, this->preset_mode);
+#ifdef USE_DEVICES
   buffer.encode_uint32(8, this->device_id);
+#endif
 }
 void FanStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
@@ -360,7 +444,9 @@ void FanStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->direction));
   ProtoSize::add_int32_field(total_size, 1, this->speed_level);
   ProtoSize::add_string_field(total_size, 1, this->preset_mode);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 bool FanCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {
@@ -456,9 +542,13 @@ void ListEntitiesLightResponse::encode(ProtoWriteBuffer buffer) const {
     buffer.encode_string(11, it, true);
   }
   buffer.encode_bool(13, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(14, this->icon);
+#endif
   buffer.encode_uint32(15, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(16, this->device_id);
+#endif
 }
 void ListEntitiesLightResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -482,9 +572,13 @@ void ListEntitiesLightResponse::calculate_size(uint32_t &total_size) const {
     }
   }
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 2, this->device_id);
+#endif
 }
 void LightStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -655,7 +749,9 @@ void ListEntitiesSensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_string(6, this->unit_of_measurement);
   buffer.encode_int32(7, this->accuracy_decimals);
   buffer.encode_bool(8, this->force_update);
@@ -671,7 +767,9 @@ void ListEntitiesSensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_string_field(total_size, 1, this->unit_of_measurement);
   ProtoSize::add_int32_field(total_size, 1, this->accuracy_decimals);
   ProtoSize::add_bool_field(total_size, 1, this->force_update);
@@ -701,24 +799,32 @@ void ListEntitiesSwitchResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->assumed_state);
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_uint32(8, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(9, this->device_class);
+#ifdef USE_DEVICES
   buffer.encode_uint32(10, this->device_id);
+#endif
 }
 void ListEntitiesSwitchResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->assumed_state);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void SwitchStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -761,22 +867,30 @@ void ListEntitiesTextSensorResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(8, this->device_class);
+#ifdef USE_DEVICES
   buffer.encode_uint32(9, this->device_id);
+#endif
 }
 void ListEntitiesTextSensorResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void TextSensorStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1083,9 +1197,13 @@ void ListEntitiesCameraResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
   buffer.encode_bool(5, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(6, this->icon);
+#endif
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(8, this->device_id);
+#endif
 }
 void ListEntitiesCameraResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -1093,9 +1211,13 @@ void ListEntitiesCameraResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void CameraImageResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1156,14 +1278,18 @@ void ListEntitiesClimateResponse::encode(ProtoWriteBuffer buffer) const {
     buffer.encode_string(17, it, true);
   }
   buffer.encode_bool(18, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(19, this->icon);
+#endif
   buffer.encode_uint32(20, static_cast<uint32_t>(this->entity_category));
   buffer.encode_float(21, this->visual_current_temperature_step);
   buffer.encode_bool(22, this->supports_current_humidity);
   buffer.encode_bool(23, this->supports_target_humidity);
   buffer.encode_float(24, this->visual_min_humidity);
   buffer.encode_float(25, this->visual_max_humidity);
+#ifdef USE_DEVICES
   buffer.encode_uint32(26, this->device_id);
+#endif
 }
 void ListEntitiesClimateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
@@ -1208,14 +1334,18 @@ void ListEntitiesClimateResponse::calculate_size(uint32_t &total_size) const {
     }
   }
   ProtoSize::add_bool_field(total_size, 2, this->disabled_by_default);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 2, this->icon);
+#endif
   ProtoSize::add_enum_field(total_size, 2, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_fixed_field<4>(total_size, 2, this->visual_current_temperature_step != 0.0f);
   ProtoSize::add_bool_field(total_size, 2, this->supports_current_humidity);
   ProtoSize::add_bool_field(total_size, 2, this->supports_target_humidity);
   ProtoSize::add_fixed_field<4>(total_size, 2, this->visual_min_humidity != 0.0f);
   ProtoSize::add_fixed_field<4>(total_size, 2, this->visual_max_humidity != 0.0f);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 2, this->device_id);
+#endif
 }
 void ClimateStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1233,7 +1363,9 @@ void ClimateStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(13, this->custom_preset);
   buffer.encode_float(14, this->current_humidity);
   buffer.encode_float(15, this->target_humidity);
+#ifdef USE_DEVICES
   buffer.encode_uint32(16, this->device_id);
+#endif
 }
 void ClimateStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
@@ -1251,7 +1383,9 @@ void ClimateStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->custom_preset);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->current_humidity != 0.0f);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->target_humidity != 0.0f);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 2, this->device_id);
+#endif
 }
 bool ClimateCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {
@@ -1374,7 +1508,9 @@ void ListEntitiesNumberResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_float(6, this->min_value);
   buffer.encode_float(7, this->max_value);
   buffer.encode_float(8, this->step);
@@ -1390,7 +1526,9 @@ void ListEntitiesNumberResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_fixed_field<4>(total_size, 1, this->min_value != 0.0f);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->max_value != 0.0f);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->step != 0.0f);
@@ -1444,20 +1582,26 @@ void ListEntitiesSelectResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   for (auto &it : this->options) {
     buffer.encode_string(6, it, true);
   }
   buffer.encode_bool(7, this->disabled_by_default);
   buffer.encode_uint32(8, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(9, this->device_id);
+#endif
 }
 void ListEntitiesSelectResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   if (!this->options.empty()) {
     for (const auto &it : this->options) {
       ProtoSize::add_string_field_repeated(total_size, 1, it);
@@ -1465,7 +1609,9 @@ void ListEntitiesSelectResponse::calculate_size(uint32_t &total_size) const {
   }
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void SelectStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1516,7 +1662,9 @@ void ListEntitiesSirenResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   for (auto &it : this->tones) {
     buffer.encode_string(7, it, true);
@@ -1524,14 +1672,18 @@ void ListEntitiesSirenResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_bool(8, this->supports_duration);
   buffer.encode_bool(9, this->supports_volume);
   buffer.encode_uint32(10, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(11, this->device_id);
+#endif
 }
 void ListEntitiesSirenResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   if (!this->tones.empty()) {
     for (const auto &it : this->tones) {
@@ -1541,7 +1693,9 @@ void ListEntitiesSirenResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_bool_field(total_size, 1, this->supports_duration);
   ProtoSize::add_bool_field(total_size, 1, this->supports_volume);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void SirenStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1579,10 +1733,12 @@ bool SirenCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
       this->has_volume = value.as_bool();
       return true;
     }
+#ifdef USE_DEVICES
     case 10: {
       this->device_id = value.as_uint32();
       return true;
     }
+#endif
     default:
       return false;
   }
@@ -1618,28 +1774,36 @@ void ListEntitiesLockResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_bool(8, this->assumed_state);
   buffer.encode_bool(9, this->supports_open);
   buffer.encode_bool(10, this->requires_code);
   buffer.encode_string(11, this->code_format);
+#ifdef USE_DEVICES
   buffer.encode_uint32(12, this->device_id);
+#endif
 }
 void ListEntitiesLockResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_bool_field(total_size, 1, this->assumed_state);
   ProtoSize::add_bool_field(total_size, 1, this->supports_open);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code);
   ProtoSize::add_string_field(total_size, 1, this->code_format);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void LockStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1696,22 +1860,30 @@ void ListEntitiesButtonResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(8, this->device_class);
+#ifdef USE_DEVICES
   buffer.encode_uint32(9, this->device_id);
+#endif
 }
 void ListEntitiesButtonResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 bool ButtonCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {
@@ -1786,26 +1958,34 @@ void ListEntitiesMediaPlayerResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_bool(8, this->supports_pause);
   for (auto &it : this->supported_formats) {
     buffer.encode_message(9, it, true);
   }
+#ifdef USE_DEVICES
   buffer.encode_uint32(10, this->device_id);
+#endif
 }
 void ListEntitiesMediaPlayerResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_bool_field(total_size, 1, this->supports_pause);
   ProtoSize::add_repeated_message(total_size, 1, this->supported_formats);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void MediaPlayerStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -1847,10 +2027,12 @@ bool MediaPlayerCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt val
       this->announcement = value.as_bool();
       return true;
     }
+#ifdef USE_DEVICES
     case 10: {
       this->device_id = value.as_uint32();
       return true;
     }
+#endif
     default:
       return false;
   }
@@ -2681,26 +2863,34 @@ void ListEntitiesAlarmControlPanelResponse::encode(ProtoWriteBuffer buffer) cons
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_uint32(8, this->supported_features);
   buffer.encode_bool(9, this->requires_code);
   buffer.encode_bool(10, this->requires_code_to_arm);
+#ifdef USE_DEVICES
   buffer.encode_uint32(11, this->device_id);
+#endif
 }
 void ListEntitiesAlarmControlPanelResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_uint32_field(total_size, 1, this->supported_features);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code);
   ProtoSize::add_bool_field(total_size, 1, this->requires_code_to_arm);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void AlarmControlPanelStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -2753,28 +2943,36 @@ void ListEntitiesTextResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_uint32(8, this->min_length);
   buffer.encode_uint32(9, this->max_length);
   buffer.encode_string(10, this->pattern);
   buffer.encode_uint32(11, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
   buffer.encode_uint32(12, this->device_id);
+#endif
 }
 void ListEntitiesTextResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_uint32_field(total_size, 1, this->min_length);
   ProtoSize::add_uint32_field(total_size, 1, this->max_length);
   ProtoSize::add_string_field(total_size, 1, this->pattern);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->mode));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void TextStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -2825,20 +3023,28 @@ void ListEntitiesDateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(8, this->device_id);
+#endif
 }
 void ListEntitiesDateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void DateStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -2895,20 +3101,28 @@ void ListEntitiesTimeResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(8, this->device_id);
+#endif
 }
 void ListEntitiesTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void TimeStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -2965,21 +3179,27 @@ void ListEntitiesEventResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(8, this->device_class);
   for (auto &it : this->event_types) {
     buffer.encode_string(9, it, true);
   }
+#ifdef USE_DEVICES
   buffer.encode_uint32(10, this->device_id);
+#endif
 }
 void ListEntitiesEventResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
@@ -2988,7 +3208,9 @@ void ListEntitiesEventResponse::calculate_size(uint32_t &total_size) const {
       ProtoSize::add_string_field_repeated(total_size, 1, it);
     }
   }
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void EventResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -3007,28 +3229,36 @@ void ListEntitiesValveResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(8, this->device_class);
   buffer.encode_bool(9, this->assumed_state);
   buffer.encode_bool(10, this->supports_position);
   buffer.encode_bool(11, this->supports_stop);
+#ifdef USE_DEVICES
   buffer.encode_uint32(12, this->device_id);
+#endif
 }
 void ListEntitiesValveResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
   ProtoSize::add_bool_field(total_size, 1, this->assumed_state);
   ProtoSize::add_bool_field(total_size, 1, this->supports_position);
   ProtoSize::add_bool_field(total_size, 1, this->supports_stop);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void ValveStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -3081,20 +3311,28 @@ void ListEntitiesDateTimeResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   buffer.encode_uint32(8, this->device_id);
+#endif
 }
 void ListEntitiesDateTimeResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void DateTimeStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -3139,22 +3377,30 @@ void ListEntitiesUpdateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(2, this->key);
   buffer.encode_string(3, this->name);
   buffer.encode_string(4, this->unique_id);
+#ifdef USE_ENTITY_ICON
   buffer.encode_string(5, this->icon);
+#endif
   buffer.encode_bool(6, this->disabled_by_default);
   buffer.encode_uint32(7, static_cast<uint32_t>(this->entity_category));
   buffer.encode_string(8, this->device_class);
+#ifdef USE_DEVICES
   buffer.encode_uint32(9, this->device_id);
+#endif
 }
 void ListEntitiesUpdateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->object_id);
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
   ProtoSize::add_string_field(total_size, 1, this->name);
   ProtoSize::add_string_field(total_size, 1, this->unique_id);
+#ifdef USE_ENTITY_ICON
   ProtoSize::add_string_field(total_size, 1, this->icon);
+#endif
   ProtoSize::add_bool_field(total_size, 1, this->disabled_by_default);
   ProtoSize::add_enum_field(total_size, 1, static_cast<uint32_t>(this->entity_category));
   ProtoSize::add_string_field(total_size, 1, this->device_class);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 void UpdateStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_fixed32(1, this->key);
@@ -3167,7 +3413,9 @@ void UpdateStateResponse::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(8, this->title);
   buffer.encode_string(9, this->release_summary);
   buffer.encode_string(10, this->release_url);
+#ifdef USE_DEVICES
   buffer.encode_uint32(11, this->device_id);
+#endif
 }
 void UpdateStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_fixed_field<4>(total_size, 1, this->key != 0);
@@ -3180,7 +3428,9 @@ void UpdateStateResponse::calculate_size(uint32_t &total_size) const {
   ProtoSize::add_string_field(total_size, 1, this->title);
   ProtoSize::add_string_field(total_size, 1, this->release_summary);
   ProtoSize::add_string_field(total_size, 1, this->release_url);
+#ifdef USE_DEVICES
   ProtoSize::add_uint32_field(total_size, 1, this->device_id);
+#endif
 }
 bool UpdateCommandRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
   switch (field_id) {

esphome/components/api/api_pb2.h

@@ -492,22 +492,50 @@ class DeviceInfoResponse : public ProtoMessage {
   std::string esphome_version{};
   std::string compilation_time{};
   std::string model{};
+#ifdef USE_DEEP_SLEEP
   bool has_deep_sleep{false};
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   std::string project_name{};
+#endif
+#ifdef ESPHOME_PROJECT_NAME
   std::string project_version{};
+#endif
+#ifdef USE_WEBSERVER
   uint32_t webserver_port{0};
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   uint32_t legacy_bluetooth_proxy_version{0};
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   uint32_t bluetooth_proxy_feature_flags{0};
+#endif
   std::string manufacturer{};
   std::string friendly_name{};
+#ifdef USE_VOICE_ASSISTANT
   uint32_t legacy_voice_assistant_version{0};
+#endif
+#ifdef USE_VOICE_ASSISTANT
   uint32_t voice_assistant_feature_flags{0};
+#endif
+#ifdef USE_AREAS
   std::string suggested_area{};
+#endif
+#ifdef USE_BLUETOOTH_PROXY
   std::string bluetooth_mac_address{};
+#endif
+#ifdef USE_API_NOISE
   bool api_encryption_supported{false};
+#endif
+#ifdef USE_DEVICES
   std::vector<DeviceInfo> devices{};
+#endif
+#ifdef USE_AREAS
   std::vector<AreaInfo> areas{};
+#endif
+#ifdef USE_AREAS
   AreaInfo area{};
+#endif
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(uint32_t &total_size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP

script/api_protobuf/api_protobuf.py

@@ -76,6 +76,30 @@ def indent(text: str, padding: str = "  ") -> str:
     return "\n".join(indent_list(text, padding))
 
 
+def wrap_with_ifdef(content: str | list[str], ifdef: str | None) -> list[str]:
+    """Wrap content with #ifdef directives if ifdef is provided.
+
+    Args:
+        content: Single string or list of strings to wrap
+        ifdef: The ifdef condition, or None to skip wrapping
+
+    Returns:
+        List of strings with ifdef wrapping if needed
+    """
+    if not ifdef:
+        if isinstance(content, str):
+            return [content]
+        return content
+
+    result = [f"#ifdef {ifdef}"]
+    if isinstance(content, str):
+        result.append(content)
+    else:
+        result.extend(content)
+    result.append("#endif")
+    return result
+
+
 def camel_to_snake(name: str) -> str:
     # https://stackoverflow.com/a/1176023
     s1 = re.sub("(.)([A-Z][a-z]+)", r"\1_\2", name)
@@ -1103,24 +1127,55 @@ def build_message_type(
         # Skip field declarations for fields that are in the base class
         # but include their encode/decode logic
         if field.name not in common_field_names:
-            protected_content.extend(ti.protected_content)
+            # Check for field_ifdef option
-            public_content.extend(ti.public_content)
+            field_ifdef = None
+            if field.options.HasExtension(pb.field_ifdef):
+                field_ifdef = field.options.Extensions[pb.field_ifdef]
+
+            if ti.protected_content:
+                protected_content.extend(
+                    wrap_with_ifdef(ti.protected_content, field_ifdef)
+                )
+            if ti.public_content:
+                public_content.extend(wrap_with_ifdef(ti.public_content, field_ifdef))
 
         # Only collect encode logic if this message needs it
         if needs_encode:
-            encode.append(ti.encode_content)
+            # Check for field_ifdef option
-            size_calc.append(ti.get_size_calculation(f"this->{ti.field_name}"))
+            field_ifdef = None
+            if field.options.HasExtension(pb.field_ifdef):
+                field_ifdef = field.options.Extensions[pb.field_ifdef]
+
+            encode.extend(wrap_with_ifdef(ti.encode_content, field_ifdef))
+            size_calc.extend(
+                wrap_with_ifdef(
+                    ti.get_size_calculation(f"this->{ti.field_name}"), field_ifdef
+                )
+            )
 
         # Only collect decode methods if this message needs them
         if needs_decode:
+            # Check for field_ifdef option for decode as well
+            field_ifdef = None
+            if field.options.HasExtension(pb.field_ifdef):
+                field_ifdef = field.options.Extensions[pb.field_ifdef]
+
             if ti.decode_varint_content:
-                decode_varint.append(ti.decode_varint_content)
+                decode_varint.extend(
+                    wrap_with_ifdef(ti.decode_varint_content, field_ifdef)
+                )
             if ti.decode_length_content:
-                decode_length.append(ti.decode_length_content)
+                decode_length.extend(
+                    wrap_with_ifdef(ti.decode_length_content, field_ifdef)
+                )
             if ti.decode_32bit_content:
-                decode_32bit.append(ti.decode_32bit_content)
+                decode_32bit.extend(
+                    wrap_with_ifdef(ti.decode_32bit_content, field_ifdef)
+                )
             if ti.decode_64bit_content:
-                decode_64bit.append(ti.decode_64bit_content)
+                decode_64bit.extend(
+                    wrap_with_ifdef(ti.decode_64bit_content, field_ifdef)
+                )
         if ti.dump_content:
             dump.append(ti.dump_content)