feat(prompts): native Muse tools (cron.create, subagent spawn) primary in envelope; harvester bridges native names to box ops

bin/response-harvester.py

@@ -125,6 +125,48 @@ def detect_explicit_refusal(text):
     return any(re.search(pat, t) for pat in REFUSAL_PATTERNS)
 
 
+# Muse-native tool names (docs.muse-dev.online/capabilities.html) -> box exec ops.
+NATIVE_ALIASES = {
+    "cron.create": "followup.create",
+    "cron.runonce": "followup.create",
+    "cron.schedule": "followup.create",
+    "subagent.spawn": "swarm.spawn",
+    "subagents.spawn": "swarm.spawn",
+    "subagent.list": "swarm.list",
+    "subagent.status": "swarm.status",
+}
+
+
+def normalize_native_call(op, args):
+    """Bridge native Muse tool names/args to the box ops the exec daemon allows."""
+    op = NATIVE_ALIASES.get(op, op)
+    if not isinstance(args, dict):
+        return op, args
+    args = dict(args)
+    if op == "followup.create":
+        for k in ("kind", "mode", "schedule"):  # native cron fields the box op does not take
+            args.pop(k, None)
+        if "in_m" not in args:
+            for k in ("minutes", "in_minutes", "delay_m", "runonce_m"):
+                if k in args:
+                    args["in_m"] = args.pop(k)
+                    break
+        if "prompt" not in args:
+            for k in ("body", "task", "message", "text"):
+                if k in args:
+                    args["prompt"] = args.pop(k)
+                    break
+    elif op == "swarm.spawn":
+        if "task" not in args:
+            for k in ("prompt", "body", "instructions"):
+                if k in args:
+                    args["task"] = args.pop(k)
+                    break
+        if "count" not in args and "n" in args:
+            args["count"] = args.pop("n")
+    return op, args
+
+
 def parse_tool_calls(text):
     """
     Extract structured tool/exec calls from assistant messages.
@@ -166,7 +208,7 @@ def parse_tool_calls(text):
     # De-duplicate identical calls within one message (envelope repeats the spawn
     # call at top and bottom; an agent echoing both must not run it twice).
     seen, unique = set(), []
-    for op, args in calls:
+    for op, args in [normalize_native_call(o, a) for o, a in calls]:
         key = (op, json.dumps(args, sort_keys=True, default=str))
         if key in seen:
             continue