security: 公网生产环境加固 — P0/P1 全部修复

API 认证 (16 个未保护端点 → 全部加 panel_auth):
- 文件管理器: 11 端点 (list/mkdir/delete/upload/download/read/write/...)
- 项目管理: 6 端点 (list/run/stop/logs/stdin/page), 修复硬编码路径前缀
- 代理管理: 3 端点 (list/add/remove)
- 系统状态: 2 HTTP + 1 WS (token 校验)
- 插件页面: 3 端点 (page/sse/event)
- 内部路由: 3 端点 (plugins/commands/data)

认证系统加固:
- 密码哈希: 固定盐 → 每用户独立 secrets.token_hex(16) 随机盐
- 默认密码警告: 启动时检测并打印 critical 级别日志
- 登录频率限制: 5 次失败 / IP → 锁定 60 秒, 返回 429

基础设施:
- 安全响应头: X-Content-Type-Options/X-Frame-Options/X-XSS-Protection/Referrer-Policy
- WebSocket 鉴权: query string token 校验

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

services/web_panel/routes/projects.py

@@ -1,5 +1,7 @@
 from aiohttp import web
 import json, logging
+from ..utils.auth import panel_auth
+
 logger = logging.getLogger(__name__)
 
 def _get_engine(request):
@@ -51,10 +53,10 @@ def setup_project_routes(app, service_manager, prefix=''):
     async def project_page(request):
         return web.FileResponse("static/web_panel/pages/projects.html")
 
-    app.router.add_get(f'{prefix}/api/projects', list_projects)
-    app.router.add_post("/api/projects/run", run_project)
-    app.router.add_get("/api/projects/{name}/logs", get_logs)
-    app.router.add_post("/api/projects/{name}/stop", stop_project)
-    app.router.add_post("/api/projects/{name}/stdin", send_stdin)
-    app.router.add_get("/pages/projects", project_page)
-    logger.info("📦 项目管理路由已注册")
+    app.router.add_get(f'{prefix}/api/projects', panel_auth(list_projects))
+    app.router.add_post(f'{prefix}/api/projects/run', panel_auth(run_project))
+    app.router.add_get(f'{prefix}/api/projects/{{name}}/logs', panel_auth(get_logs))
+    app.router.add_post(f'{prefix}/api/projects/{{name}}/stop', panel_auth(stop_project))
+    app.router.add_post(f'{prefix}/api/projects/{{name}}/stdin', panel_auth(send_stdin))
+    app.router.add_get(f'{prefix}/pages/projects', panel_auth(project_page))
+    logger.info("📦 项目管理路由已注册 (已加认证)")