refactor(gameplay): move scoreboard phase events into cartridge payloads

fupogfakta/payloads.py

@@ -102,15 +102,34 @@ def build_start_next_round_response(
     }
 
 
-def build_finish_game_response(session: GameSession) -> dict:
+def build_start_next_round_phase_event(
+    session: GameSession,
+    round_config: RoundConfig,
+    round_question: RoundQuestion,
+) -> dict:
+    return {
+        "name": "phase.lie_started",
+        "payload": build_lie_started_payload(session, round_config, round_question),
+    }
+
+
+def build_finish_game_phase_event(session: GameSession) -> dict:
     leaderboard = build_leaderboard(session)
     winner = leaderboard[0] if leaderboard else None
+    return {
+        "name": "phase.game_over",
+        "payload": {"winner": winner, "leaderboard": leaderboard},
+    }
+
+
+def build_finish_game_response(session: GameSession) -> dict:
+    finish_event = build_finish_game_phase_event(session)
     return {
         "session": {
             "code": session.code,
             "status": GameSession.Status.FINISHED,
             "current_round": session.current_round,
         },
-        "winner": winner,
-        "leaderboard": leaderboard,
+        "winner": finish_event["payload"]["winner"],
+        "leaderboard": finish_event["payload"]["leaderboard"],
     }