fix(sdk): release lifecycle validation modules

cocoscreator_projects/framework-tests/sdk/game-session-host.test.ts

@@ -40,15 +40,21 @@ function makeEntry(createModule: () => GameModule): GameEntry {
 }
 
 function makeModule(log: string[], onRestore?: (deskinfo: unknown) => void): GameModule {
+  let attached = false;
   return {
-    attach: () => log.push('attach'),
+    attach: () => {
+      attached = true;
+      log.push('attach');
+    },
     handlePlatformEvent: (event) => log.push(`event:${event.type}`),
     handleGameMessage: (message) => log.push(`message:${message.rpc}`),
     restore: (deskinfo) => {
       log.push('restore');
       onRestore?.(deskinfo);
     },
-    dispose: () => log.push('dispose'),
+    dispose: () => {
+      if (attached) log.push('dispose');
+    },
   };
 }
 
@@ -65,6 +71,18 @@ test('assertGameEntry rejects invalid identity, routes, seat counts, and module
   assert.throws(() => assertGameEntry({ ...entry, createModule: () => undefined as never }), /module/);
 });
 
+test('assertGameEntry disposes its validation module exactly once', () => {
+  let disposals = 0;
+  const entry = makeEntry(() => ({
+    ...makeModule([]),
+    dispose: () => { disposals++; },
+  }));
+
+  assert.doesNotThrow(() => assertGameEntry(entry));
+
+  assert.equal(disposals, 1);
+});
+
 test('GameSessionHost delivers room events and deskinfo to one active module in order', () => {
   const log: string[] = [];
   const deskinfo = { turn: 7 };
@@ -120,6 +138,21 @@ test('GameSessionHost rejects illegal state transitions and mismatched game rout
   assert.deepEqual(log, ['attach', 'message:draw']);
 });
 
+test('GameSessionHost disposes a module when attachment throws and returns to idle', () => {
+  let disposals = 0;
+  const sessions = new GameSessionHost(makeEntry(() => ({
+    ...makeModule([]),
+    attach: () => { throw new Error('attach failed'); },
+    dispose: () => { disposals++; },
+  })));
+  disposals = 0;
+
+  assert.throws(() => sessions.open(makeHost()), /attach failed/);
+
+  assert.equal(disposals, 1);
+  assert.equal(sessions.state, 'idle');
+});
+
 test('GameSessionHost disposes a module exactly once and becomes terminal after dispose', () => {
   const log: string[] = [];
   const sessions = new GameSessionHost(makeEntry(() => makeModule(log)));