Raids: alarm at the gates, battle replay and report popup for everyone

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

app.py

@@ -315,6 +315,12 @@ class Handler(BaseHTTPRequestHandler):
                 return "Bad quantity"
         if path == "/api/action":
             return game.start_action(world, player, str(body.get("id")), now, once=bool(body.get("once")))
+        if path == "/api/seen":
+            event_id = body.get("id")
+            if not isinstance(event_id, int):
+                return "Bad event"
+            player["seen_threat"] = max(player.get("seen_threat", 0), event_id)
+            return None
         if path == "/api/stop":
             game.stop(player)
             return None
@@ -472,6 +478,7 @@ class Handler(BaseHTTPRequestHandler):
         now = self.store.now()
         player = world["players"].get(uid)
         upcoming = game.upcoming_event(world)
+        unseen = game.unseen_threat(world, player) if player else None
         history = [
             {"id": e["id"], "kind": e["kind"], "track": e.get("track", "major"), "at": e["resolved"], "report": e.get("report")}
             for e in reversed(world["events"]) if e["status"] == "done"
@@ -485,6 +492,8 @@ class Handler(BaseHTTPRequestHandler):
             "favours": game.favours(world, now),
             "happenings": game.happenings_view(world, now),
             "history": history,
+            "threat_report": unseen and {"id": unseen["id"], "kind": unseen["kind"], "at": unseen["resolved"],
+                                         "report": unseen["report"]},
             "players": roster(world, now),
             "ledger": world["ledger"][-80:],
             "board": world["board"][-80:],