feat: stabilize rag chat conversations and auto title sync

fastapi_admin/config/__init__.py

@@ -13,7 +13,7 @@ from ._loader import load_config as _load_config
 # 优先加载 TOML → os.environ（必须在 Settings 实例化之前）
 _load_config()
 
-from ._settings import app, jwt, db, redis, oss, llm, vlm, ocr, leaudit as _leaudit  # noqa: E402
+from ._settings import app, jwt, db, redis, oss, llm, vlm, embedding, ocr, leaudit as _leaudit  # noqa: E402
 
 
 def _export_settings(instance: object, prefix: str = "") -> dict[str, object]:
@@ -48,6 +48,7 @@ _REDIS = _export_settings(redis)
 _OSS = _export_settings(oss)
 _LLM = _export_settings(llm)
 _VLM = _export_settings(vlm)
+_EMBEDDING = _export_settings(embedding)
 _OCR = _export_settings(ocr)
 _LEAUDIT = _export_settings(_leaudit)
 
@@ -60,6 +61,7 @@ _ALL.update(_REDIS)
 _ALL.update(_OSS)
 _ALL.update(_LLM)
 _ALL.update(_VLM)
+_ALL.update(_EMBEDDING)
 _ALL.update(_OCR)
 _ALL.update(_LEAUDIT)