chore: 提交所有工作进度 — SaaS 后端增强、Admin UI、桌面端集成

包含大量 SaaS 平台改进、Admin 管理后台更新、桌面端集成完善、
文档同步、测试文件重构等内容。为 QA 测试准备干净工作树。

crates/zclaw-runtime/src/lib.rs

@@ -3,8 +3,10 @@
 //! LLM drivers, tool system, and agent loop implementation.
 
 /// Default User-Agent header sent with all outgoing HTTP requests.
-/// Some LLM providers (e.g. Moonshot, Qwen, DashScope Coding Plan) reject requests without one.
-pub const USER_AGENT: &str = "ZCLAW/0.1.0";
+/// Coding Plan providers (Kimi, Bailian/DashScope, Zhipu) validate the User-Agent against a
+/// whitelist of known Coding Agents (e.g. claude-code, kimi-cli, roo-code, kilo-code).
+/// Must use the exact lowercase format to pass validation.
+pub const USER_AGENT: &str = "claude-code/0.1.0";
 
 pub mod driver;
 pub mod tool;