prepare backend-only fastapi deployment

backend/app/core/config.py

@@ -82,12 +82,11 @@ class Settings(BaseModel):
     report_storage_dir: str = Field(default_factory=lambda: os.getenv("REPORT_STORAGE_DIR", "./storage/reports"))
     runtime_memory_ttl_seconds: int = Field(default_factory=lambda: int(os.getenv("RUNTIME_MEMORY_TTL_SECONDS", "7200")))
     runtime_memory_backend: str = Field(default_factory=lambda: os.getenv("RUNTIME_MEMORY_BACKEND", "memory"))
-    redis_url: str = Field(default_factory=lambda: os.getenv("REDIS_URL", "redis://127.0.0.1:6379/0"))
-    auth_validate_enabled: bool = Field(default_factory=lambda: os.getenv("AUTH_VALIDATE_ENABLED", "false").lower() == "true")
+    redis_url: str = Field(default_factory=lambda: os.getenv("REDIS_URL", "redis://redis:6379/0"))
+    auth_validate_enabled: bool = Field(default_factory=lambda: os.getenv("AUTH_VALIDATE_ENABLED", "true").lower() == "true")
     auth_user_me_url: str = Field(default_factory=lambda: os.getenv("AUTH_USER_ME_URL", ""))
     auth_timeout_seconds: int = Field(default_factory=lambda: int(os.getenv("AUTH_TIMEOUT_SECONDS", "5")))
     auth_cache_ttl_seconds: int = Field(default_factory=lambda: int(os.getenv("AUTH_CACHE_TTL_SECONDS", "300")))
-    auth_allow_demo_user_id: bool = Field(default_factory=lambda: os.getenv("AUTH_ALLOW_DEMO_USER_ID", "true").lower() == "true")
 
     def as_public_dict(self) -> dict[str, Any]:
         """配置展示：返回允许暴露给 Demo 前端的功能开关。"""
@@ -107,8 +106,8 @@ class Settings(BaseModel):
             "llm_reasoning_effort": self.llm_reasoning_effort,
             "llm_fast_max_tokens": self.llm_fast_max_tokens,
             "runtime_memory_backend": self.runtime_memory_backend,
-            "auth_validate_enabled": self.auth_validate_enabled,
-            "auth_source": "django_user_center" if self.auth_validate_enabled else "demo_header",
+            "auth_validate_enabled": True,
+            "auth_source": "django_user_center",
         }