定时任务细化，签到成功页结果展示

backend/task_scheduler/app/config.py

@@ -9,9 +9,9 @@ from typing import List
 class Settings(BaseSettings):
     """Task Scheduler settings"""
     
-    # Celery settings
-    CELERY_BROKER_URL: str = os.getenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
-    CELERY_RESULT_BACKEND: str = os.getenv("CELERY_RESULT_BACKEND", "redis://localhost:6379/0")
+    # Celery settings — 从环境变量 REDIS_URL 派生
+    CELERY_BROKER_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")
+    CELERY_RESULT_BACKEND: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")
     
     # Task execution settings
     MAX_CONCURRENT_TASKS: int = int(os.getenv("MAX_CONCURRENT_TASKS", "10"))
@@ -40,5 +40,6 @@ class Settings(BaseSettings):
     class Config:
         case_sensitive = True
         env_file = ".env"
+        extra = "ignore"
 
 settings = Settings()