feat: 添加新插件支持及多项功能改进

- 新增磁盘加密、打印审计和剪贴板管控插件支持
- 优化水印插件显示效果，支持中文及更多Unicode字符
- 改进硬件资产收集逻辑，更准确获取磁盘和显卡信息
- 增强API错误处理，添加详细日志记录
- 完善前端界面，新增插件管理页面
- 修复多个UI问题，优化页面过渡效果
- 添加环境变量覆盖配置功能
- 实现插件状态管理API
- 更新文档和变更日志
- 添加安装程序脚本支持

config.toml.example

@@ -0,0 +1,47 @@
+# CSM Server Configuration Template
+# Copy this file to config.toml and edit before starting the server.
+
+[server]
+# HTTP API + WebSocket listener (also serves the web UI)
+http_addr = "0.0.0.0:9998"
+# TCP listener for client agent connections
+tcp_addr = "0.0.0.0:9999"
+# CORS origins (empty = same-origin only; set to ["http://localhost:9997"] for dev proxy)
+cors_origins = []
+
+# [server.tls]  # Uncomment to enable TLS on the TCP listener
+# cert_path = "cert.pem"
+# key_path = "key.pem"
+
+[database]
+# SQLite database path (relative to working directory)
+path = "./csm.db"
+
+[auth]
+# JWT signing secret. Leave empty to auto-generate on first run.
+# Override with CSM_JWT_SECRET environment variable.
+jwt_secret = ""
+access_token_ttl_secs = 1800    # 30 minutes
+refresh_token_ttl_secs = 604800  # 7 days
+
+# Device registration token. Leave empty to auto-generate on first run.
+# Override with CSM_REGISTRATION_TOKEN environment variable.
+# Clients must present this token when registering.
+registration_token = ""
+
+[retention]
+# Data retention periods in days
+status_history_days = 7
+usb_events_days = 90
+asset_changes_days = 365
+alert_records_days = 90
+audit_log_days = 365
+
+# [notify]  # Uncomment to enable notifications
+# [notify.smtp]
+# host = "smtp.example.com"
+# port = 587
+# username = "user@example.com"
+# password = "secret"
+# from = "csm@example.com"
+# webhook_urls = []