--- scripts/watcher.py
+++ scripts/watcher.py
@@ -49,6 +49,7 @@
 BLUE_CLICK_Y = 425
 MASTER_PROFILES_DIR = SYSTEM_DIR / "profiles"  # 只讀 master
 LOGS_DIR = SYSTEM_DIR / "logs"
+LOGS_DIR.mkdir(parents=True, exist_ok=True)   # kit fix v1: 唔經 start-all.sh 起都唔會「第一個 log 就 crash」
 RECALL_MSG = "Continue SESSION 2147483647"
 CHECK_INTERVAL = 30  # 秒
 
@@ -60,7 +61,7 @@
             if not line or line.startswith("#"):
                 continue
             parts = line.split()
-            if len(parts) >= 6:
+            if len(parts) >= 5:                       # kit fix v1: 5 欄都收（原本 >=6 會靜默掉行）
                 sid, profile, vpn, url, account = parts[0], parts[1], parts[2], parts[3], parts[4]
                 status = parts[5] if len(parts) > 5 else "active"
                 seats[sid] = {
@@ -1388,11 +1389,14 @@
                             }
                             ts = int(_t.time())
                             # 經 SSH 寫去 server bus（host inbox）
-                            _sp.run([
+                            _r = _sp.run([
                                 "/home/hatch/workspace/ssh-newserver.sh",
                                 f"cat > /root/muse-mesh/inbox/host/{ts}-watcher-{sid.lower()}.json && chmod 600 /root/muse-mesh/inbox/host/{ts}-watcher-{sid.lower()}.json"
                             ], input=_json.dumps(msg).encode(), timeout=30, capture_output=True)
-                            log(sid, "已寫 bus 訊息去 server：conversation_too_long（host 會掃到）")
+                            if _r.returncode != 0:
+                                log(sid, f"⚠️ bus 寫入失敗 rc={_r.returncode}：{( _r.stderr or b'')[:200]!r}（人手要知）")
+                            else:
+                                log(sid, "已寫 bus 訊息去 server：conversation_too_long（host 會掃到）")
                         except Exception as e:
                             log(sid, f"寫 bus 訊息出錯: {e}")
                         # 停呢個 watcher，等 Muse AI 開新 URL