feat: 新增工具插件、系统日志、workflow配置及前端优化

1. 新增工具插件(edit_file, python_executor, search_file, shell_executor, write_file)
2. 新增系统事件日志模块和API
3. 新增workflow配置文件和详情API
4. 前端增加SSE、错误边界、设置引导等组件
5. 优化认证加密、速率限制、配置加载等工具模块
6. 删除废弃的cluster和health API
7. 补充单元测试和集成测试

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

kilostar/core/postgres_database/postgres.py

@@ -41,6 +41,7 @@ from kilostar.core.postgres_database.model.system_node import SystemNodeConfigMo
 from kilostar.core.postgres_database.model.mcp_server import MCPServerModel
 from kilostar.core.postgres_database.model.tool_config import ToolConfigModel
 from kilostar.core.postgres_database.model.custom_toolset import CustomToolsetModel
+from kilostar.core.postgres_database.model.system_event_log import SystemEventLog
 
 from .module.individual import IndividualDatabase
 from .module.user import AuthDatabase
@@ -51,6 +52,7 @@ from .module.chat_history import ChatHistoryDatabase
 from .module.mcp_server import MCPServerDatabase
 from .module.tool_config import ToolConfigDatabase
 from .module.custom_toolset import CustomToolsetDatabase
+from .module.system_event_log import SystemEventLogDatabase
 
 
 @ray.remote
@@ -85,6 +87,7 @@ class PostgresDatabase:
         self._mcp_server_database = MCPServerDatabase(self.async_session_maker)
         self._tool_config_database = ToolConfigDatabase(self.async_session_maker)
         self._custom_toolset_database = CustomToolsetDatabase(self.async_session_maker)
+        self._system_event_log_database = SystemEventLogDatabase(self.async_session_maker)
 
         self.ready_event = asyncio.Event()
 
@@ -94,11 +97,10 @@ class PostgresDatabase:
             async with self.async_engine.begin() as conn:
                 await conn.run_sync(BaseDataModel.metadata.create_all)
             print("✅ 数据库表创建/验证完成")
+            self.ready_event.set()
         except Exception as e:
             print(f"❌ 数据库初始化失败: {e}")
             raise
-        finally:
-            self.ready_event.set()
 
     async def ping(self) -> bool:
         """轻量探活：等待 ready 后执行 ``SELECT 1``。"""
@@ -376,3 +378,35 @@ class PostgresDatabase:
         """删除一个自定义工具组。"""
         await self.ready_event.wait()
         return await self._custom_toolset_database.delete(toolset_id)
+
+    # System Event Log Methods
+    async def insert_event_log(
+        self,
+        trace_id: str,
+        event_type: str,
+        level: str,
+        message: str,
+        node_name=None,
+        metadata=None,
+    ):
+        await self.ready_event.wait()
+        return await self._system_event_log_database.insert_event(
+            trace_id=trace_id,
+            event_type=event_type,
+            level=level,
+            message=message,
+            node_name=node_name,
+            metadata=metadata,
+        )
+
+    async def query_event_logs(
+        self, trace_id=None, event_type=None, level=None, limit=100, offset=0
+    ):
+        await self.ready_event.wait()
+        return await self._system_event_log_database.query_events(
+            trace_id=trace_id,
+            event_type=event_type,
+            level=level,
+            limit=limit,
+            offset=offset,
+        )