chore: 后端 agent 和 users 模块代码更新优化

backend/src/v1/users/dependencies.py

@@ -9,7 +9,6 @@ from sqlalchemy.ext.asyncio import AsyncSession
 from core.auth.jwt_verifier import (
     JwtVerifier,
     TokenValidationError,
-    TokenVerifierUnavailableError,
 )
 from core.auth.models import CurrentUser
 from core.config.settings import config
@@ -35,17 +34,19 @@ def get_auth_gateway() -> SupabaseAuthGateway:
 def get_jwt_verifier() -> JwtVerifier:
     global _jwt_verifier
     if _jwt_verifier is None:
-        jwks_url = config.supabase.jwks_url
         issuer = config.supabase.jwt_issuer
-        audience = config.supabase.jwt_audience
-        if not jwks_url or not issuer or not audience:
+        jwt_secret = (
+            config.supabase.jwt_secret.get_secret_value()
+            if config.supabase.jwt_secret is not None
+            else None
+        )
+        if not issuer or not jwt_secret:
             logger.error("JWT validation failed: verifier config not configured")
             raise HTTPException(status_code=503, detail="JWT verifier not configured")
         _jwt_verifier = JwtVerifier(
-            jwks_url=jwks_url,
             issuer=issuer,
-            audience=audience,
-            apikey=config.supabase.anon_key,
+            jwt_secret=jwt_secret,
+            jwt_algorithm=config.supabase.jwt_algorithm,
         )
     return _jwt_verifier
 
@@ -64,9 +65,6 @@ def get_current_user(authorization: str | None = Header(default=None)) -> Curren
         payload = get_jwt_verifier().verify(token)
     except HTTPException:
         raise
-    except TokenVerifierUnavailableError:
-        logger.error("JWT validation failed: verifier unavailable")
-        raise HTTPException(status_code=503, detail="JWT verifier unavailable")
     except TokenValidationError as exc:
         logger.warning(
             "JWT validation failed",