fix(endpoints): point curl tool instruction to live https://exec.muse-dev.online/exec

bin/response-harvester.py

@@ -727,7 +727,7 @@ def process_messages(raw_messages, agent, thread_id, thread_name, last_wm, follo
                             thread_url = f"https://box.muse-dev.online/thread/{thread_id}"
                             tool_hint = (
                                 f"[Runtime Context: {thread_url}]\n"
-                                f"Tools available: [TOOL <op> <args>] or curl -sk -X POST https://box.muse-dev.online/exec\n"
+                                f"Tools available: [TOOL <op> <args>] or curl -sk -X POST https://exec.muse-dev.online/exec\n"
                                 f"  • [TOOL followup.create {{\"in_m\": 5, \"prompt\": \"<reminder>\"}}]\n"
                                 f"  • [TOOL swarm.spawn {{\"count\": 1, \"task\": \"<task>\"}}]\n"
                                 f"  • [TOOL health.check {{}}]\n\n"
@@ -1226,7 +1226,7 @@ def maybe_nudge_untagged_sidechat(agent, thread_id, thread_name, mid, text, dry_
             f"{_spawn}\n"
             f"[STRICT ENFORCEMENT: Conversational commentary is rejected. Work requires active execution.]\n"
             f"Thread Console: {thread_url}\n"
-            f"Emit executable tool calls now: [TOOL <op> <args>] or curl against https://box.muse-dev.online/exec\n"
+            f"Emit executable tool calls now: [TOOL <op> <args>] or curl against https://exec.muse-dev.online/exec\n"
             f"When all operations are finished, close strictly with [RESULT {matching_job_id}] <outcome>.\n"
             f"{_spawn}"
         )