chore: mark T01/T02 done (measured: $2.33 + $1.68, 46 responses, opus-5)

Both hub events carry measured tokens for the first time in this repo;
--hub-only backfills T01, which was closed in the file before the tool
that closes it existed.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

tools/task-done.py

@@ -264,7 +264,10 @@ def main():
     try:
         path, text, (lo, hi), body = locate(task_id)
         status = block_status(body)
-        if status == "done":
+        # --hub-only exists for tasks closed in the file before this tool
+        # did; without it the only way to give the hub real numbers would
+        # be to type them, which is the defect.
+        if status == "done" and "--hub-only" not in flags:
             raise Fail(f"{task_id} is already done in "
                        f"{os.path.relpath(path, ROOT)} — refusing to re-close")
         uuid = hub_id(body)
@@ -286,6 +289,16 @@ def main():
         print("  dry-run    file unchanged, hub not called")
         return 0
 
+    if "--hub-only" in flags:
+        try:
+            code = push(uuid, detail, task_id)
+            print(f"  hub        {uuid} -> done (HTTP {code}), measured tokens")
+            print("  file       unchanged (--hub-only)")
+            return 0
+        except Fail as e:
+            print(f"ERROR — {e}", file=sys.stderr)
+            return 1
+
     new = text[:lo] + set_status(body, "done") + text[hi:]
     if new == text:
         # Positive control for the exact defect being replaced.

workplans/CB-WP-0004-mechanical-work.md

@@ -85,7 +85,7 @@ its own pass's work within the hour.
 
 ```task
 id: CB-WP-0004-T02
-status: todo
+status: done
 priority: high
 state_hub_task_id: "8a1b59c7-6318-47ba-8cbc-83bb44dd221f"
 ```