fix(platform): serialize runtime session transitions

cocoscreator_projects/framework-tests/protocol/router.test.ts

@@ -9,6 +9,7 @@ import type {
 } from '../../YouleNexus/assets/framework/sdk/contracts/index.ts';
 import { GameSessionHost } from '../../YouleNexus/assets/framework/sdk/runtime/game-session-host.ts';
 import { Router } from '../../YouleNexus/assets/framework/protocol/router.ts';
+import { FIRST_SLICE_RPC_ROUTE } from '../../YouleNexus/assets/framework/protocol/first-slice-routes.ts';
 
 class LoginGateFixture {
   private pending = false;
@@ -110,6 +111,41 @@ test('Router lets kick_server through the login gate but ignores every other rpc
   assert.deepEqual(calls, [kick]);
 });
 
+test('Router login gate enforces the complete route by rpc cross matrix', () => {
+  const platformRoutes = ['platform', 'agent', 'room'] as const;
+  const routes = [...platformRoutes, 'fixture-game'] as const;
+  const rpcs = [...Object.keys(FIRST_SLICE_RPC_ROUTE), 'unknown_rpc'];
+
+  for (const route of routes) {
+    for (const rpc of rpcs) {
+      const gate = new LoginGateFixture();
+      const platformCalls: InboundMessage[] = [];
+      const gameCalls: InboundMessage[] = [];
+      const router = new Router({
+        session: gate,
+        platform: {
+          dispatch(message: InboundMessage) {
+            platformCalls.push(message);
+            return 'handled-platform' as const;
+          },
+        },
+        gameSession: makeGameSession(gameCalls),
+      });
+      const message: InboundMessage = { route, rpc, data: { marker: `${route}:${rpc}` } };
+      gate.markLoginPending();
+
+      const passes = route === 'agent' && (rpc === 'player_login' || rpc === 'kick_server');
+      assert.equal(
+        router.dispatch(message),
+        passes ? 'handled-platform' : 'ignored-login-gate',
+        `${route}:${rpc}`,
+      );
+      assert.deepEqual(platformCalls, passes ? [message] : [], `${route}:${rpc}`);
+      assert.deepEqual(gameCalls, [], `${route}:${rpc}`);
+    }
+  }
+});
+
 test('Router sends all platform routes to PlatformHandlers exactly once', () => {
   const gate = new LoginGateFixture();
   const calls: InboundMessage[] = [];