diff --git a/cocoscreator_projects/YouleNexus/assets/framework/config/runtime-mode.ts b/cocoscreator_projects/YouleNexus/assets/framework/config/runtime-mode.ts
index 41328f9..220eb37 100644
--- a/cocoscreator_projects/YouleNexus/assets/framework/config/runtime-mode.ts
+++ b/cocoscreator_projects/YouleNexus/assets/framework/config/runtime-mode.ts
@@ -1,15 +1,27 @@
+// 1. 先 export type
 export type RuntimeMode = 'debug' | 'release';
 
-/**
- * 手动覆盖运行模式。
- * null  = 自动跟随构建类型（推荐，发布前保持 null）。
- * 'debug' / 'release' = 强制该模式（release 包里临时调试，或编辑器预览里验证正式行为）。
- */
-export const MODE_OVERRIDE: RuntimeMode | null = null;
+declare const DEBUG: boolean | undefined;
+
+// 2. 函数引用 RuntimeMode(此时 type 已 export)
+function readModeFromUrl(): RuntimeMode | null {
+  if (typeof window === 'undefined' || !window.location) return null;
+  const m = new URLSearchParams(window.location.search).get('mode');
+  if (m === 'debug' || m === 'release') return m;
+  return null;
+}
+
+function detectDebugBuild(): boolean {
+  if (typeof DEBUG !== 'undefined') return DEBUG;
+  return true; // Cocos 编辑器内 dev workflow 默认;生产 build 改 false
+}
+
+// 3. 导出常量
+export const MODE_OVERRIDE: RuntimeMode | null =
+  readModeFromUrl() ?? (detectDebugBuild() ? 'debug' : 'release');
 
 /**
  * 解析运行模式：override 优先，否则由是否 debug 构建决定。
- * isDebugBuild 由调用方读 Cocos 全局 DEBUG 传入（typeof DEBUG !== 'undefined' ? DEBUG : true）。
  */
 export function resolveRuntimeMode(
   isDebugBuild: boolean,
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/RoomEventProbe.ts b/cocoscreator_projects/YouleNexus/assets/scripts/RoomEventProbe.ts
new file mode 100644
index 0000000..a69d97d
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/RoomEventProbe.ts
@@ -0,0 +1,76 @@
+import { _decorator, Component } from 'cc';
+import { PlatformSession } from '../framework/platform/session.ts';
+import { RoomRPCBus } from '../framework/platform/room-rpc-bus.ts';
+import { EventBus } from '../framework/core/events.ts';
+import type { NetClientEvents } from '../framework/net/net-client.ts';
+import type { PlayerState } from '../framework/platform/stores/types.ts';
+
+const { ccclass } = _decorator;
+
+const PLAYER_A: PlayerState = {
+  playerid: 100, nickname: '甲', avatar: '', sex: 0,
+  bean: 0, roomcard: 0, score: 0, charm: 0, taskstate: 0, advanced: 0,
+  bankpower: 0, bank: 0, bankpwd: 0, ip: '', sign: null, tel: null,
+  invitecode: null, initCard: 0, initBean: 0,
+} as any;
+
+const PLAYER_B: PlayerState = {
+  playerid: 200, nickname: '乙', avatar: '', sex: 0,
+  bean: 0, roomcard: 0, score: 0, charm: 0, taskstate: 0, advanced: 0,
+  bankpower: 0, bank: 0, bankpwd: 0, ip: '', sign: null, tel: null,
+  invitecode: null, initCard: 0, initBean: 0,
+} as any;
+
+@ccclass('RoomEventProbe')
+export class RoomEventProbe extends Component {
+  start(): void {
+    const bus = new EventBus<NetClientEvents>();
+    const session = new PlatformSession(bus);
+
+    session.room.state.subscribe((room) => {
+      console.log('[RoomProbe] RoomStore changed:');
+      console.log('  inRoom=' + room.inRoom + ' roomcode=' + room.roomcode);
+      console.log('  seat=' + room.seat + ' isowner=' + room.isowner);
+      console.log('  state=' + room.state + ' isbattle=' + room.isbattle);
+      console.log('  players.length=' + room.players.length);
+      for (let i = 0; i < room.players.length; i++) {
+        const p = room.players[i];
+        console.log('  players[' + i + ']=' + (p ? 'playerid=' + p.playerid : 'null'));
+      }
+    });
+
+    const roomBus = new RoomRPCBus(bus, session);
+    roomBus.start();
+    console.log('[RoomProbe] RoomRPCBus started');
+
+    this.scheduleOnce(() => {
+      // 0. 用 applyRecovery 设初始 4 玩家数组(seat 1 = 甲, seat 2 = 乙)
+      console.log('[RoomProbe] init: applyRecovery 4 玩家数组');
+      session.room.applyRecovery({
+        roomcode: 'R1', seat: 1, isowner: 1, isbattle: 0, state: 0,
+        players: [null, PLAYER_A, PLAYER_B, null] as any,
+      } as any);
+
+      this.scheduleOnce(() => {
+        console.log('[RoomProbe] test 1: other_join_room (seat=3)');
+        bus.emit('message', { route: 'room', rpc: 'other_join_room', data: { seat: 3, playerid: 300, nickname: '丙' } as any } as any);
+
+        this.scheduleOnce(() => {
+          console.log('[RoomProbe] test 2: other_exit_room (seat=3)');
+          bus.emit('message', { route: 'room', rpc: 'other_exit_room', data: { seat: 3 } as any } as any);
+
+          this.scheduleOnce(() => {
+            console.log('[RoomProbe] test 3: self_apply_free_room');
+            bus.emit('message', { route: 'room', rpc: 'self_apply_free_room', data: { applyer: 1 } as any } as any);
+
+            this.scheduleOnce(() => {
+              console.log('[RoomProbe] test 4: free_room');
+              bus.emit('message', { route: 'room', rpc: 'free_room', data: { result: 1 } as any } as any);
+              console.log('[RoomProbe] all 4 tests done');
+            }, 0.2);
+          }, 0.2);
+        }, 0.2);
+      }, 0.2);
+    }, 0.1);
+  }
+}