fix(hub): ship checklist via cph_hub todo_write MCP tool

Native Claude TodoWrite is not registered in headless agent mode even with
--tools default. Add mcp__cph_hub__todo_write (always enabled), mirror the
TodoWrite schema, instruct multi-step runs to use it, and keep the Feishu
progress panel parsing both native and hub tool names.

hub/src/agent/runner.ts

@@ -169,6 +169,7 @@ export async function runAgent(req: RunRequest): Promise<RunResult> {
     const allowedToolsOption = uniqueTools([
       ...toolConfig.allowedTools,
       "TodoWrite",
+      "mcp__cph_hub__todo_write",
       ...skillExtras,
     ]);