Initial commit: SenSu Alpha 0.2.0

- 13-service async plugin framework
- Textual TUI with CLI fallback
- Plugin hot-reload + permission system
- Web management panel (aiohttp)
- Bridge-based inter-module communication
- 10 regression tests

Fixes applied:
- PBKDF2-SHA256 auth (was plain SHA256)
- Auth bypass removed (was allow-all on fail)
- Bare excepts replaced with logged errors
- CatFramework/DreamSu -> SenSu naming unified
- ServiceManager: health checks + startup_order
- Env var credentials (SENSU_ADMIN_PASSWORD etc)

service_manager.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import logging
+from typing import Dict, Any, List, Optional
+import asyncio
+
+logger = logging.getLogger(__name__)
+
+class ServiceManager:
+    """服务管理器 - 管理所有框架服务的生命周期"""
+
+    def __init__(self):
+        self.services: Dict[str, Any] = {}
+        self._startup_order: List[str] = []
+        self._health_checks: Dict[str, Any] = {}
+        logger.debug("ServiceManager初始化完成")
+
+    def register_service(self, name: str, service_instance,
+                         depends_on: Optional[List[str]] = None,
+                         health_check=None):
+        """注册服务"""
+        if name in self.services:
+            logger.warning(f"服务 {name} 已存在，将被覆盖")
+        self.services[name] = service_instance
+        self._startup_order.append(name)
+        if health_check:
+            self._health_checks[name] = health_check
+        logger.debug(f"服务 {name} 注册成功")
+
+    def get_service(self, name: str):
+        """获取服务"""
+        service = self.services.get(name)
+        if not service:
+            raise ValueError(f"服务 {name} 未找到。可用: {list(self.services.keys())}")
+        return service
+
+    def has_service(self, name: str) -> bool:
+        """检查服务是否已注册"""
+        return name in self.services
+
+    async def check_health(self, name: str = None) -> Dict[str, bool]:
+        """健康检查"""
+        results = {}
+        names = [name] if name else list(self._health_checks.keys())
+        for n in names:
+            if n in self._health_checks:
+                try:
+                    r = self._health_checks[n]()
+                    if asyncio.iscoroutine(r): r = await r
+                    results[n] = bool(r)
+                except Exception as e:
+                    logger.warning(f"服务 {n} 健康检查失败: {e}")
+                    results[n] = False
+        return results
+
+    @property
+    def startup_order(self) -> List[str]:
+        return list(self._startup_order)
+
+    def shutdown_all(self):
+        """关闭所有服务"""
+        logger.info("开始关闭所有服务")
+        for name in reversed(self._startup_order):
+            service = self.services.get(name)
+            if service and hasattr(service, 'shutdown'):
+                try:
+                    if asyncio.iscoroutinefunction(service.shutdown):
+                        try:
+                            loop = asyncio.get_running_loop()
+                            loop.create_task(service.shutdown())
+                        except RuntimeError:
+                            service.shutdown()
+                    else:
+                        service.shutdown()
+                    logger.debug(f"服务 {name} 关闭成功")
+                except Exception as e:
+                    logger.error(f"关闭服务 {name} 时出错: {e}")
+        logger.info("所有服务关闭完成")