feat(workflow): enhance HTTP request node with curl debugging support

- Augment HTTP request node capabilities and add generated curl commands for easier debugging.

feat(log): implement workflow execution logs and search functionality

- Add detailed logging for workflow node execution and enable search capabilities within application logs.

feat(auth): introduce middleware to verify application publication status

- Add a check to ensure the application is published before allowing access.

fix(converter): rectify variable handling logic in Dify converter

- Correct issues related to processing variables within the Dify converter module.

refactor(model): remove quota check decorator from model update operations

- Decouple quota validation from the model update process to streamline the logic.

api/app/schemas/app_log_schema.py

@@ -48,6 +48,20 @@ class AppLogConversation(BaseModel):
         return int(dt.timestamp() * 1000) if dt else None
 
 
+class AppLogNodeExecution(BaseModel):
+    """工作流节点执行记录"""
+    node_id: str
+    node_type: str
+    node_name: Optional[str] = None
+    status: str = "pending"
+    error: Optional[str] = None
+    input: Optional[Any] = None
+    output: Optional[Any] = None
+    elapsed_time: Optional[float] = None
+    token_usage: Optional[Dict[str, Any]] = None
+
+
 class AppLogConversationDetail(AppLogConversation):
     """会话详情（包含消息列表）"""
     messages: List[AppLogMessage] = Field(default_factory=list)
+    node_executions_map: Dict[str, List[AppLogNodeExecution]] = Field(default_factory=dict, description="按消息ID分组的节点执行记录")