feat: enhance agent orchestration, knowledge flow and UI refinements

backend/app/config.py

@@ -15,7 +15,9 @@ def _resolve_path(value: str) -> str:
 
 
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(env_file=str(ENV_FILE), env_file_encoding="utf-8", extra="ignore")
+    model_config = SettingsConfigDict(
+        env_file=str(ENV_FILE), env_file_encoding="utf-8", extra="ignore"
+    )
 
     # === 应用基础 ===
     APP_NAME: str = "Jarvis"
@@ -75,6 +77,8 @@ class Settings(BaseSettings):
 
     # === 向量化 ===
     EMBEDDING_MODEL: str = "text-embedding-3-small"
+    EMBEDDING_BASE_URL: str = "https://api.openai.com/v1"
+    EMBEDDING_API_KEY: str = ""
     CHUNK_SIZE: int = 500
     CHUNK_OVERLAP: int = 50
 
@@ -86,6 +90,17 @@ class Settings(BaseSettings):
     # === NAS 部署 ===
     NAS_DATA_ROOT: str = "/data/jarvis"
 
+    # === Web Search / SearxNG ===
+    WEB_SEARCH_ENABLED: bool = False
+    WEB_SEARCH_PROVIDER: str = "searxng"
+    SEARXNG_BASE_URL: str = ""
+    SEARXNG_AUTH_TYPE: Literal["none", "bearer", "basic"] = "none"
+    SEARXNG_AUTH_TOKEN: str = ""
+    SEARXNG_BASIC_USER: str = ""
+    SEARXNG_BASIC_PASSWORD: str = ""
+    WEB_SEARCH_DEFAULT_LIMIT: int = 5
+    WEB_SEARCH_TIMEOUT_SECONDS: int = 10
+
 
 settings = Settings()
 settings.DATABASE_URL = settings.DATABASE_URL.replace("./data", _resolve_path("./data"), 1)