feat: Pro 买断门禁、SFTP 精简与批量多机改造

新增 entitlement/license IPC 与 Waffo 一次性结账服务骨架，挂载 AI/转发/代理/串口/广播/批量导入导出门禁；批量执行改为结果矩阵并复用连接池，SFTP 工具栏图标化并去掉已连接条，同时完善跨平台本地终端与窗口配置。

Co-authored-by: Cursor <cursoragent@cursor.com>

src-tauri/Cargo.toml

@@ -27,8 +27,9 @@ ssh2 = { version = "0.9", features = ["vendored-openssl"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 sha2 = "0.10"
+hmac = "0.12"
 portable-pty = "0.9"
-serialport = { version = "4.8", default-features = false }
+serialport = { version = "4.8", default-features = false, features = ["libudev"] }
 tauri = { version = "2.8", features = [] }
 tauri-plugin-deep-link = "2"
 tauri-plugin-single-instance = "2"