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/feishu/card/builder.ts

@@ -43,6 +43,7 @@ const TOOL_ICONS: Record<string, string> = {
   grep: "search-filled",
   edit: "edit-filled",
   todowrite: "todo-filled",
+  todo_write: "todo-filled",
   send_file: "send-filled",
   request_approval: "thumb-up-filled",
   feishu_read_context: "search-filled",
@@ -52,10 +53,20 @@ const TOOL_ICONS: Record<string, string> = {
 };
 
 function toolIcon(toolName: string): string {
-  const normalized = toolName.toLowerCase().replace(/^mcp_/, "");
+  const normalized = toolName.toLowerCase().replace(/^mcp_/, "").replace(/^cph_hub__/, "");
   return TOOL_ICONS[normalized] ?? "tool-filled";
 }
 
+function isTodoToolName(toolName: string): boolean {
+  const lower = toolName.toLowerCase();
+  return (
+    lower === "todowrite" ||
+    lower === "todo_write" ||
+    lower.endsWith("__todo_write") ||
+    lower.endsWith("__todowrite")
+  );
+}
+
 // ---------------------------------------------------------------------------
 // Card builder
 // ---------------------------------------------------------------------------
@@ -80,8 +91,8 @@ export function buildAgentCard(params: {
     elements.push(buildTodoPanel(todos, phase !== "complete"));
   }
 
-  // Tool-use panel (exclude TodoWrite itself — already shown as checklist)
-  const visibleToolSteps = toolUseSteps.filter((step) => step.toolName.toLowerCase() !== "todowrite");
+  // Tool-use panel (exclude todo tools — already shown as checklist)
+  const visibleToolSteps = toolUseSteps.filter((step) => !isTodoToolName(step.toolName));
   if (visibleToolSteps.length > 0) {
     elements.push(buildToolUsePanel(visibleToolSteps, toolUseElapsedMs, phase !== "complete"));
   } else if (