Activity feed: gate titles and UTC label

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

rtut/activity.py

@@ -11,6 +11,19 @@ def _step_title(run, sid: str) -> str:
         return sid
 
 
+def _gate_title(run, gid: str) -> str:
+    try:
+        return run.pack.data and next(g["title"] for st in _all_stages(run.pack.data["stages"]) for g in st.get("gates", []) if g["id"] == gid)
+    except (StopIteration, KeyError):
+        return gid
+
+
+def _all_stages(stages):
+    for st in stages:
+        yield st
+        yield from _all_stages(st.get("stages", []))
+
+
 def events_for(pack, pack_index: int | None) -> list[dict]:
     out = []
     for rid in R.list_runs(pack):
@@ -34,9 +47,9 @@ def events_for(pack, pack_index: int | None) -> list[dict]:
         for gid, gs in d.get("gates", {}).items():
             when = max([r["at"] for r in gs.get("results", {}).values()] or [""])
             if gs["state"] in ("passed", "failed") and when:
-                ev(when, f"gate “{gid}” {gs['state']}")
+                ev(when, f"gate “{_gate_title(run, gid)}” {gs['state']}")
             if gs["state"] == "waived":
-                ev(gs["waiver"]["at"], f"waived gate “{gid}”: {gs['waiver']['reason']}")
+                ev(gs["waiver"]["at"], f"waived gate “{_gate_title(run, gid)}”: {gs['waiver']['reason']}")
         for dv in d.get("deviations", []):
             if dv["kind"] in ("override", "changed-after-use"):
                 ev(dv["at"], f"{dv['kind'].replace('-', ' ')}: {dv['item']} ({dv['reason']})", dv.get("who", who))