feat: integrate room framework and isolated subgame bundles

Complete room UI and protocol integration, move game definitions and resources behind bundle entries, publish authoritative version XML, and document single-game builds. Include all current resource changes and experiment artifacts.

cocoscreator_projects/YouleNexus/out/legacy-migration/BackHall_Layer.prefab

@@ -196,7 +196,7 @@
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   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "KmCbPcyLuSAnPSb4Ao1ZbH"
+    "fileId": "wEEpmyZPSH2XMYQe8zXdGs"
   },
   {
     "__type__": "cc.ProgressBar",
@@ -234,7 +234,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "1w6LAU60abbZ653JG2MhQY"
+    "fileId": "unaHRZ9hxvybanRUD4p9mf"
   },
   {
     "__type__": "cc.Widget",
@@ -266,7 +266,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "6sH0fhb7cSe3CagtT31MHh"
+    "fileId": "T4SwVrPI958agHy0YANF12"
   },
   {
     "__type__": "cc.PrefabInfo",
@@ -276,7 +276,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "NguEjs0OMrEiDszJkUp68U",
+    "fileId": "VTH1doZDeSzk4yQp17w3mv",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
@@ -307,7 +307,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "nWg4388SGHDRGLuhjT8OuJ"
+    "fileId": "rupI2zWgzw6qk295WkKoWp"
   },
   {
     "__type__": "cc.Widget",
@@ -343,7 +343,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "hcCQOygYzxbGZ8BWFuNw8a"
+    "fileId": "mp32cZLLPOmdhetqqFLnzs"
   },
   {
     "__type__": "cc.PrefabInfo",
@@ -353,7 +353,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "jxRFiWtNSo2m42T7OBLQUK",
+    "fileId": "pewWomBOVajuwXgXb1KjZI",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
@@ -384,7 +384,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "sGRA19LNm3KNKj8v8Iu2MI"
+    "fileId": "7sQpDp7hAsadkZNOkwEH05"
   },
   {
     "__type__": "cc.Widget",
@@ -420,7 +420,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "MOcjiata5iz4gBYQ9VKk7r"
+    "fileId": "tzzPYEtiRQ0bgvB46TwGTW"
   },
   {
     "__type__": "cc.PrefabInfo",
@@ -430,7 +430,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "uwhtXKAkXjgGj7x4Lkyif5",
+    "fileId": "FKFBkTciPSQNGidKgKllxs",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null