fixed unref enum tracking

esphome/components/api/api.proto

@@ -422,7 +422,9 @@ message ListEntitiesFanResponse {
   repeated string supported_preset_modes = 12;
   uint32 device_id = 13 [(field_ifdef) = "USE_DEVICES"];
 }
+// Deprecated in API version 1.6 - only used in deprecated fields
 enum FanSpeed {
+  option deprecated = true;
   FAN_SPEED_LOW = 0;
   FAN_SPEED_MEDIUM = 1;
   FAN_SPEED_HIGH = 2;
@@ -585,6 +587,7 @@ enum SensorStateClass {
 
 // Deprecated in API version 1.5
 enum SensorLastResetType {
+  option deprecated = true;
   LAST_RESET_NONE = 0;
   LAST_RESET_NEVER = 1;
   LAST_RESET_AUTO = 2;

esphome/components/api/api_pb2.h

@@ -185,6 +185,15 @@ enum BluetoothScannerMode : uint32_t {
   BLUETOOTH_SCANNER_MODE_ACTIVE = 1,
 };
 #endif
+enum VoiceAssistantSubscribeFlag : uint32_t {
+  VOICE_ASSISTANT_SUBSCRIBE_NONE = 0,
+  VOICE_ASSISTANT_SUBSCRIBE_API_AUDIO = 1,
+};
+enum VoiceAssistantRequestFlag : uint32_t {
+  VOICE_ASSISTANT_REQUEST_NONE = 0,
+  VOICE_ASSISTANT_REQUEST_USE_VAD = 1,
+  VOICE_ASSISTANT_REQUEST_USE_WAKE_WORD = 2,
+};
 #ifdef USE_VOICE_ASSISTANT
 enum VoiceAssistantEvent : uint32_t {
   VOICE_ASSISTANT_ERROR = 0,

esphome/components/api/api_pb2_dump.cpp

@@ -381,6 +381,29 @@ template<> const char *proto_enum_to_string<enums::BluetoothScannerMode>(enums::
   }
 }
 #endif
+template<>
+const char *proto_enum_to_string<enums::VoiceAssistantSubscribeFlag>(enums::VoiceAssistantSubscribeFlag value) {
+  switch (value) {
+    case enums::VOICE_ASSISTANT_SUBSCRIBE_NONE:
+      return "VOICE_ASSISTANT_SUBSCRIBE_NONE";
+    case enums::VOICE_ASSISTANT_SUBSCRIBE_API_AUDIO:
+      return "VOICE_ASSISTANT_SUBSCRIBE_API_AUDIO";
+    default:
+      return "UNKNOWN";
+  }
+}
+template<> const char *proto_enum_to_string<enums::VoiceAssistantRequestFlag>(enums::VoiceAssistantRequestFlag value) {
+  switch (value) {
+    case enums::VOICE_ASSISTANT_REQUEST_NONE:
+      return "VOICE_ASSISTANT_REQUEST_NONE";
+    case enums::VOICE_ASSISTANT_REQUEST_USE_VAD:
+      return "VOICE_ASSISTANT_REQUEST_USE_VAD";
+    case enums::VOICE_ASSISTANT_REQUEST_USE_WAKE_WORD:
+      return "VOICE_ASSISTANT_REQUEST_USE_WAKE_WORD";
+    default:
+      return "UNKNOWN";
+  }
+}
 #ifdef USE_VOICE_ASSISTANT
 template<> const char *proto_enum_to_string<enums::VoiceAssistantEvent>(enums::VoiceAssistantEvent value) {
   switch (value) {

script/api_protobuf/api_protobuf.py

@@ -971,13 +971,11 @@ class RepeatedTypeInfo(TypeInfo):
 
 def build_type_usage_map(
     file_desc: descriptor.FileDescriptorProto,
-) -> tuple[
+) -> tuple[dict[str, str | None], dict[str, str | None], dict[str, int], set[str]]:
-    dict[str, str | None], dict[str, str | None], dict[str, int], set[str], set[str]
-]:
     """Build mappings for both enums and messages to their ifdefs based on usage.
 
     Returns:
-        tuple: (enum_ifdef_map, message_ifdef_map, message_source_map, used_enums, used_messages)
+        tuple: (enum_ifdef_map, message_ifdef_map, message_source_map, used_messages)
     """
     enum_ifdef_map: dict[str, str | None] = {}
     message_ifdef_map: dict[str, str | None] = {}
@@ -990,9 +988,6 @@ def build_type_usage_map(
     message_usage: dict[
         str, set[str]
     ] = {}  # message_name -> set of message names that use it
-    used_enums: set[str] = (
-        set()
-    )  # Track which enums are actually used by non-deprecated fields
     used_messages: set[str] = set()  # Track which messages are actually used
 
     # Build message name to ifdef mapping for quick lookup
@@ -1018,7 +1013,6 @@ def build_type_usage_map(
             # Track enum usage (only from non-deprecated fields)
             if field.type == 14:  # TYPE_ENUM
                 enum_usage.setdefault(type_name, set()).add(message.name)
-                used_enums.add(type_name)
             # Track message usage
             elif field.type == 11:  # TYPE_MESSAGE
                 message_usage.setdefault(type_name, set()).add(message.name)
@@ -1129,7 +1123,6 @@ def build_type_usage_map(
         enum_ifdef_map,
         message_ifdef_map,
         message_source_map,
-        used_enums,
         used_messages,
     )
 
@@ -1718,7 +1711,7 @@ namespace api {
     content += "namespace enums {\n\n"
 
     # Build dynamic ifdef mappings for both enums and messages
-    enum_ifdef_map, message_ifdef_map, message_source_map, used_enums, used_messages = (
+    enum_ifdef_map, message_ifdef_map, message_source_map, used_messages = (
         build_type_usage_map(file)
     )
 
@@ -1730,10 +1723,6 @@ namespace api {
         if enum.options.deprecated:
             continue
 
-        # Skip enums that aren't used by any non-deprecated fields
-        if enum.name not in used_enums:
-            continue
-
         s, c, dc = build_enum_type(enum, enum_ifdef_map)
         enum_ifdef = enum_ifdef_map.get(enum.name)