修复Celery递归调用错误

- 移除Django应用配置中的手动任务注册
- 使用Celery的imports配置确保任务模块被导入
- 避免在ready()方法中访问Celery应用
- 使用Celery的自动发现机制处理任务注册

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/knowledge/apps.py

@@ -6,34 +6,7 @@ class KnowledgeConfig(AppConfig):
     name = 'knowledge'
     
     def ready(self):
-        """在Django应用准备好后注册Celery任务"""
-        try:
-            # 导入Celery应用
-            from ops import celery_app
-            
-            # 注册高级学习任务
-            try:
-                from knowledge.tasks.advanced_learning import (
-                    advanced_learning_by_document,
-                    batch_advanced_learning
-                )
-                celery_app.register_task(advanced_learning_by_document)
-                celery_app.register_task(batch_advanced_learning)
-                print("✅ Advanced learning tasks registered via app config")
-            except ImportError as e:
-                print(f"❌ Failed to register advanced learning tasks: {e}")
-            
-            # 注册媒体学习任务
-            try:
-                from knowledge.tasks.media_learning import (
-                    media_learning_by_document,
-                    media_learning_batch
-                )
-                celery_app.register_task(media_learning_by_document)
-                celery_app.register_task(media_learning_batch)
-                print("✅ Media learning tasks registered via app config")
-            except ImportError as e:
-                print(f"❌ Failed to register media learning tasks: {e}")
-                
-        except Exception as e:
-            print(f"⚠️  Failed to register tasks via app config: {e}")
+        """在Django应用准备好后，确保Celery任务能被发现"""
+        # 不在这里手动注册任务，让Celery的自动发现机制处理
+        # 这样可以避免递归调用问题
+        pass

apps/ops/celery/__init__.py

@@ -30,4 +30,16 @@ app.conf.update(
         key) for
         key
         in configs.keys()})
+# 配置任务自动发现
 app.autodiscover_tasks(lambda: [app_config.split('.')[0] for app_config in settings.INSTALLED_APPS])
+
+# 确保任务模块被导入
+app.conf.update(
+    imports=[
+        'knowledge.tasks.advanced_learning',
+        'knowledge.tasks.media_learning',
+        'knowledge.tasks.embedding',
+        'knowledge.tasks.generate',
+        'knowledge.tasks.sync'
+    ]
+)