feat/tts (#15)

Co-authored-by: Kevin <kevin@brighteng.org>

api/app/core/config.py

@@ -62,6 +62,11 @@ class Settings(BaseSettings):
     # ── OpenAI (TTS) ─────────────────────────────────────────
     openai_api_key: str = ""
 
+    # ── TTS ─────────────────────────────────────────────────
+    tts_provider: str = "openai"
+    tts_voice_type: int = 1001
+    tts_codec: str = "mp3"
+
     # ── WeChat Pay ───────────────────────────────────────────
     wechat_pay_app_id: str = ""
     wechat_pay_mch_id: str = ""

api/app/core/dependencies.py

@@ -60,6 +60,15 @@ def get_llm_provider() -> LLMProvider:
 
 @lru_cache
 def get_tts_provider() -> TTSProvider:
+    if settings.tts_provider == "tencent":
+        from app.adapters.tts.tencent_tts import TencentTTSProvider
+
+        return TencentTTSProvider(
+            secret_id=settings.tencent_secret_id,
+            secret_key=settings.tencent_secret_key,
+            voice_type=settings.tts_voice_type,
+            codec=settings.tts_codec,
+        )
     from app.adapters.tts.openai_tts import OpenAITTSProvider
 
     return OpenAITTSProvider(api_key=settings.openai_api_key)