根据官网代码规范优化结构，精简代码。使用reconfigure模式支持重设参数。增加多实例支持。去掉debug信息。

custom_components/baidu_voice/config_flow.py

@@ -1,4 +1,4 @@
-"""Config flow for Baidu TTS integration."""
+"""Config flow for Baidu Voice integration."""
 
 from __future__ import annotations
 
@@ -7,13 +7,12 @@ from typing import Any
 
 import voluptuous as vol
 
-from homeassistant.config_entries import (
-    ConfigEntry,
-    ConfigFlow,
-    ConfigFlowResult,
-    OptionsFlow,
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.helpers.selector import (
+    SelectSelector,
+    SelectSelectorConfig,
+    SelectSelectorMode,
 )
-from homeassistant.core import callback
 
 from .const import (
     CONF_API_KEY,
@@ -62,6 +61,9 @@ STEP_USER_DATA_SCHEMA = vol.Schema(
         vol.Optional(TTS_CONF_VOICE, default=TTS_DEFAULT_VOICE): vol.In(
             TTS_SUPPORTED_VOICES
         ),
+        vol.Optional(TTS_CONF_FILEFORMAT, default=TTS_DEFAULT_FILEFORMAT): vol.In(
+            TTS_FILEFORMAT_MAP
+        ),
         vol.Optional(STT_CONF_LANGUAGE, default=STT_DEFAULT_LANGUAGE): vol.In(
             STT_LANGUAGES
         ),
@@ -69,102 +71,46 @@ STEP_USER_DATA_SCHEMA = vol.Schema(
 )
 
 
-class BaiduTTSConfigFlow(ConfigFlow, domain=DOMAIN):
-    """Handle a config flow for Baidu TTS."""
+class BaiduVoiceConfigFlow(ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Baidu Voice."""
 
     VERSION = 1
 
+    async def async_step_reconfigure(self, user_input: dict[str, Any] | None = None):
+        """Handle reconfiguration of the integration."""
+        if user_input is not None:
+            return self.async_update_reload_and_abort(
+                self._get_reconfigure_entry(),
+                data_updates=user_input,
+            )
+
+        schema = self.add_suggested_values_to_schema(
+            STEP_USER_DATA_SCHEMA, self._get_reconfigure_entry().data
+        )
+        schema = schema.extend(
+            {
+                vol.Required(CONF_APP_ID): SelectSelector(
+                    SelectSelectorConfig(
+                        options=[self._get_reconfigure_entry().data[CONF_APP_ID]],
+                        mode=SelectSelectorMode.DROPDOWN,
+                    )
+                )
+            }
+        )
+
+        return self.async_show_form(
+            step_id="reconfigure",
+            data_schema=schema,
+        )
+
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Handle the initial step."""
         if user_input is not None:
-            # Provide unique ID to prevent duplicate entries
             app_id = user_input[CONF_APP_ID]
-            await self.async_set_unique_id(f"baidu_tts_{app_id}")
+            await self.async_set_unique_id(f"baidu_voice_{app_id}")
             self._abort_if_unique_id_configured()
-
-            return self.async_create_entry(title="百度语音合成", data=user_input)
+            return self.async_create_entry(title="Baidu Voice", data=user_input)
 
         return self.async_show_form(step_id="user", data_schema=STEP_USER_DATA_SCHEMA)
-
-    @classmethod
-    @callback
-    def async_get_options_flow(cls, config_entry: ConfigEntry) -> BaiduTTSOptionsFlow:
-        """Get the options flow for this handler."""
-        return BaiduTTSOptionsFlow()
-
-
-class BaiduTTSOptionsFlow(OptionsFlow):
-    """Baidu TTS integration options handler."""
-
-    async def async_step_init(
-        self, user_input: dict[str, Any] | None = None
-    ) -> ConfigFlowResult:
-        """Manage the options."""
-        if user_input is not None:
-            return self.async_create_entry(title="", data=user_input)
-
-        options = self.config_entry.options
-        data = self.config_entry.data
-
-        schema = {
-            vol.Required(
-                CONF_APP_ID,
-                default=options.get(CONF_APP_ID, data.get(CONF_APP_ID)),
-            ): str,
-            vol.Required(
-                CONF_API_KEY,
-                default=options.get(CONF_API_KEY, data.get(CONF_API_KEY)),
-            ): str,
-            vol.Required(
-                CONF_SECRET_KEY,
-                default=options.get(CONF_SECRET_KEY, data.get(CONF_SECRET_KEY)),
-            ): str,
-            vol.Required(
-                TTS_CONF_LANGUAGE,
-                default=options.get(TTS_CONF_LANGUAGE, data.get(TTS_CONF_LANGUAGE)),
-            ): vol.In(TTS_LANGUAGES),
-            vol.Optional(
-                TTS_CONF_SPEED,
-                default=options.get(
-                    TTS_CONF_SPEED, data.get(TTS_CONF_SPEED, TTS_DEFAULT_SPEED)
-                ),
-            ): vol.All(vol.Coerce(int), vol.Range(min=0, max=9)),
-            vol.Optional(
-                TTS_CONF_PITCH,
-                default=options.get(
-                    TTS_CONF_PITCH, data.get(TTS_CONF_PITCH, TTS_DEFAULT_PITCH)
-                ),
-            ): vol.All(vol.Coerce(int), vol.Range(min=0, max=9)),
-            vol.Optional(
-                TTS_CONF_VOLUME,
-                default=options.get(
-                    TTS_CONF_VOLUME, data.get(TTS_CONF_VOLUME, TTS_DEFAULT_VOLUME)
-                ),
-            ): vol.All(vol.Coerce(int), vol.Range(min=0, max=15)),
-            vol.Optional(
-                TTS_CONF_VOICE,
-                default=options.get(
-                    TTS_CONF_VOICE, data.get(TTS_CONF_VOICE, TTS_DEFAULT_VOICE)
-                ),
-            ): vol.In(TTS_SUPPORTED_VOICES),
-            vol.Optional(
-                TTS_CONF_FILEFORMAT,
-                default=options.get(
-                    TTS_CONF_FILEFORMAT,
-                    data.get(TTS_CONF_FILEFORMAT, TTS_DEFAULT_FILEFORMAT),
-                ),
-            ): vol.In(TTS_FILEFORMAT_MAP),
-            vol.Optional(
-                STT_CONF_LANGUAGE,
-                default=options.get(
-                    STT_CONF_LANGUAGE, data.get(STT_CONF_LANGUAGE, STT_DEFAULT_LANGUAGE)
-                ),
-            ): vol.In(STT_LANGUAGES),
-        }
-
-        return self.async_show_form(
-            step_id="init",
-            data_schema=vol.Schema(schema),
-        )