watch.py reports times in CST

tools/watch.py

@@ -18,6 +18,19 @@ sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
 from harbor import projects  # noqa: E402
 
 
+def cst(iso):
+    """'2026-10-07T23:21:05Z' -> '18:21 CST' (US Central, as the User reads every time)."""
+    import datetime
+    from zoneinfo import ZoneInfo
+    try:
+        when = datetime.datetime.fromisoformat(str(iso).replace("Z", "+00:00"))
+    except ValueError:
+        return str(iso)
+    if when.tzinfo is None:
+        when = when.replace(tzinfo=datetime.timezone.utc)
+    return when.astimezone(ZoneInfo("America/Chicago")).strftime("%H:%M") + " CST"
+
+
 def snapshot(conn, me):
     q = lambda sql, *a: conn.execute(sql, a).fetchall()
     return {
@@ -88,7 +101,7 @@ def main():
         for agent, last in stalled(conn, project, args.me, args.stall):
             if agent in {a.strip() for a in args.ignore.split(",") if a.strip()}:
                 continue
-            found.append(f"stalled: {agent} has made no tool call since {last[11:16]}Z (not stopped) - wake it")
+            found.append(f"stalled: {agent} has made no tool call since {cst(last)} (not stopped) - wake it")
         if found:
             print("\n".join(found))
             return 0
@@ -96,7 +109,7 @@ def main():
     tasks = conn.execute("SELECT state, COUNT(*) FROM tasks GROUP BY state").fetchall()
     last = conn.execute("SELECT agent, MAX(at) FROM activity_log GROUP BY agent").fetchall()
     print(f"quiet for {args.minutes:g} min; open review items {open_items}; tasks {dict(tasks)}; last tool call "
-          + ", ".join(f"{a} {t[11:16]}Z" for a, t in last))
+          + ", ".join(f"{a} {cst(t)}" for a, t in last))
     return 0