添加赛马实时进度播报

将比赛循环从race_engine移到commands中，每回合发送进度条：
  马匹名  |████████░░░░░░| 45.2m
race_engine改为提供tick/determine_champion/format_progress方法

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

danding_bot/plugins/group_horse_racing/commands.py

@@ -97,40 +97,55 @@ async def settle_race(room: Room):
     room_store.save_race_result(result)
 
 
-async def run_race_with_settlement(bot: Bot, room: Room, scope: str):
-    """Run race and handle settlement + cleanup."""
-    task = await race_engine.start_race(room)
-
-    # Send start message
-    horse_list = "\n".join(f"  {h.name} (主人: {h.owner_id})" for h in room.horses.values())
+async def _send_to_scope(bot: Bot, scope: str, message: str):
+    """Send message to group or private chat based on scope."""
     try:
         await bot.send_msg(
             message_type="group" if scope.startswith("group_") else "private",
             group_id=int(scope.split("_", 1)[1]) if scope.startswith("group_") else None,
             user_id=int(scope.split("_", 1)[1]) if scope.startswith("test_") else None,
-            message=f"比赛开始！参赛马匹：\n{horse_list}",
+            message=message,
         )
     except Exception:
         pass
 
-    # Wait for race to finish
+
+async def run_race_with_settlement(bot: Bot, room: Room, scope: str):
+    """Run race with live progress updates and settlement."""
+    room.state = RoomState.RUNNING
+
+    # Send start message with horse list
+    horse_list = "\n".join(f"  {h.name}" for h in room.horses.values())
+    await _send_to_scope(bot, scope, f"比赛开始！\n{horse_list}")
+
+    # Race loop with progress updates
     try:
-        await task
+        while room.state == RoomState.RUNNING:
+            await asyncio.sleep(config.RACE_TICK_INTERVAL)
+
+            finished = race_engine.tick(room)
+            progress = race_engine.format_progress(room)
+            await _send_to_scope(bot, scope, progress)
+
+            if finished:
+                champion = race_engine.determine_champion(finished)
+                room.champion_name = champion.name
+                room.state = RoomState.FINISHED
+                break
     except asyncio.CancelledError:
         room.state = RoomState.INTERRUPTED
-        # Refund all bets on interruption
         for bet in room.bets:
             await points_service.refund_bet_points(bet.user_id, bet.amount, "比赛中断退还")
         return
 
-    # Race finished - settle
+    # Settle
     await settle_race(room)
 
     # Build result message
     odds = calculate_odds(room)
     champion = room.horses.get(room.champion_name)
     result_lines = [
-        f"比赛结束！冠军：{room.champion_name} 🏆",
+        f"比赛结束！冠军：{room.champion_name}",
         f"马主 {champion.owner_id if champion else '?'} 获得 {config.CHAMPION_REWARD} 积分",
     ]
     winning_bets = [b for b in room.bets if b.horse_name == room.champion_name]
@@ -138,17 +153,9 @@ async def run_race_with_settlement(bot: Bot, room: Room, scope: str):
         result_lines.append("下注中奖：")
         for b in winning_bets:
             payout = int(b.amount * odds.get(b.horse_name, config.MIN_ODDS))
-            result_lines.append(f"  {b.user_id} 下注 {b.amount} → 获得 {payout}")
+            result_lines.append(f"  {b.user_id} 下注 {b.amount} -> 获得 {payout}")
 
-    try:
-        await bot.send_msg(
-            message_type="group" if scope.startswith("group_") else "private",
-            group_id=int(scope.split("_", 1)[1]) if scope.startswith("group_") else None,
-            user_id=int(scope.split("_", 1)[1]) if scope.startswith("test_") else None,
-            message="\n".join(result_lines),
-        )
-    except Exception:
-        pass
+    await _send_to_scope(bot, scope, "\n".join(result_lines))
 
     # Cleanup
     race_engine.stop_race(scope)
@@ -391,7 +398,8 @@ async def handle_start(bot: Bot, event: Event):
     await start_cmd.finish("比赛开始！")
 
     # Run race in background (outside command handler)
-    asyncio.create_task(run_race_with_settlement(bot, room, scope))
+    task = asyncio.create_task(run_race_with_settlement(bot, room, scope))
+    race_engine.register_task(scope, task)
 
 
 help_cmd = on_command("赛马帮助", priority=5)