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/todoList.ts

@@ -14,9 +14,15 @@ export interface AgentTodoItem {
 
 const STATUSES = new Set<AgentTodoStatus>(["pending", "in_progress", "completed"]);
 
-/** True when the tool name is the SDK TodoWrite dispatcher. */
+/** True when the tool name is SDK TodoWrite or hub mcp todo_write. */
 export function isTodoWriteTool(toolName: string): boolean {
-  return toolName === "TodoWrite" || toolName.endsWith("__TodoWrite");
+  const lower = toolName.toLowerCase();
+  return (
+    toolName === "TodoWrite" ||
+    toolName.endsWith("__TodoWrite") ||
+    lower === "todo_write" ||
+    lower.endsWith("__todo_write")
+  );
 }
 
 /**