diff --git a/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene b/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene
new file mode 100644
index 0000000..2dd3d00
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene
@@ -0,0 +1,1393 @@
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+      "y": -1024,
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+      "y": 1024,
+      "z": 1024
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+    "_sssIntensity": 3
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+    "_showProbe": true,
+    "_showWireframe": true,
+    "_showConvex": false,
+    "_data": null,
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+  {
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+  }
+]
\ No newline at end of file
diff --git a/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene.meta b/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene.meta
new file mode 100644
index 0000000..a88364b
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scenes/LocalPlatformLogin.scene.meta
@@ -0,0 +1,11 @@
+{
+  "ver": "1.1.50",
+  "importer": "scene",
+  "imported": true,
+  "uuid": "67e69aac-9982-4e78-a44c-1d9c42f016ae",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login.meta
new file mode 100644
index 0000000..42f296d
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "1.2.0",
+  "importer": "directory",
+  "imported": true,
+  "uuid": "6072a7f3-9095-4e71-9dbd-c952d89a64a7",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts
new file mode 100644
index 0000000..2f76a7a
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts
@@ -0,0 +1,207 @@
+import { _decorator, Component, Label, Node, Prefab, Sprite, UITransform, instantiate, isValid, sys } from 'cc';
+import { DEBUG } from 'cc/env';
+import { HttpConfigFetcher } from '../../framework/config/remote-config-fetcher.ts';
+import type { NativeHost } from '../../framework/config/sources/native-settings.ts';
+import type { RuntimeConfig } from '../../framework/config/runtime-config.ts';
+import type { PageModel } from '../../framework/presentation/ui-contracts.ts';
+import { createLocalLoginHost, type LocalLoginHost } from './local-login-host.ts';
+import type { LocalLoginEvidence } from './local-login-transport.ts';
+import { CocosLocalLoginView, createCocosFrameScheduler, requireNode } from './local-login-view.ts';
+
+const { ccclass, property } = _decorator;
+const MINIMUM_LOADING_MS = 500;
+
+/** Explicit DEBUG browser scene entry. All business state belongs to its host Runtime. */
+@ccclass('LocalPlatformLogin')
+export class LocalPlatformLogin extends Component {
+  @property(Prefab) loadingPrefab: Prefab | null = null;
+  @property(Prefab) loginPrefab: Prefab | null = null;
+  @property(Node) loadingRoot: Node | null = null;
+  @property(Node) loginRoot: Node | null = null;
+  @property(Node) resultRoot: Node | null = null;
+  @property(Node) statusOverlay: Node | null = null;
+  @property(Label) statusLabel: Label | null = null;
+  @property(Label) resultLabel: Label | null = null;
+  @property(Node) stopButton: Node | null = null;
+
+  private host: LocalLoginHost | null = null;
+  private view: CocosLocalLoginView | null = null;
+  private spinner: Node | null = null;
+  private loginInstance: Node | null = null;
+  private stopped = false;
+  private firstDrawAt: number | null = null;
+  private version: number | null = null;
+  private readonly pending = new Set<() => void>();
+  private readonly evidence: (LocalLoginEvidence & { at: number })[] = [];
+  private pageModel: PageModel | null = null;
+  private readonly stopTouch = () => this.stop();
+
+  async start(): Promise<void> {
+    // This guard precedes reading browser storage, preparing account or creating socket.
+    if (!DEBUG || sys.isNative) throw new Error('LocalPlatformLogin requires DEBUG browser preview');
+    try {
+      const loadingRoot = this.required(this.loadingRoot, 'loadingRoot');
+      const loginRoot = this.required(this.loginRoot, 'loginRoot');
+      const stopButton = this.required(this.stopButton, 'stopButton');
+      this.view = new CocosLocalLoginView({ loadingRoot, loginRoot,
+        resultRoot: this.required(this.resultRoot, 'resultRoot'),
+        statusOverlay: this.required(this.statusOverlay, 'statusOverlay'),
+        statusLabel: this.required(this.statusLabel, 'statusLabel'),
+        resultLabel: this.required(this.resultLabel, 'resultLabel') });
+      this.required(this.loadingPrefab, 'loadingPrefab');
+      this.required(this.loginPrefab, 'loginPrefab');
+      this.spinner = requireNode(loadingRoot, 'Layer614_Loading/group-40/载入动画');
+      this.validateSprites(loadingRoot);
+      if (this.spinner.getComponent(UITransform) === null || this.spinner.getComponent(Sprite) === null) {
+        throw new Error('Loading spinner requires UITransform and Sprite');
+      }
+      stopButton.on(Node.EventType.TOUCH_END, this.stopTouch);
+      this.view.activate('loading');
+      const firstDraw = this.nextDraw().then(() => {
+        this.firstDrawAt = performance.now();
+        this.record({ kind: 'loading-first-draw', data: null });
+      });
+      // A configuration failure can cancel this frame before Runtime consumes its gate.
+      void firstDraw.catch(() => {});
+      const view = this.view;
+      const browser = window as unknown as NativeHost & { returnCitySN?: unknown };
+      this.host = createLocalLoginHost({
+        configOptions: { mode: 'debug', hostKind: 'h5', search: window.location.search,
+          win: browser, fetcher: new HttpConfigFetcher() },
+        storage: window.localStorage, random: Math.random, now: Date.now,
+        sampleHost: () => ({ location: null,
+          ...('returnCitySN' in browser ? { returnCitySN: browser.returnCitySN } : {}) }),
+        view: {
+          render: model => { this.pageModel = model; this.record({ kind: 'page-model', data: model }); view.render(model); },
+          activate: page => { view.activate(page); this.record({ kind: 'page-active', data: page }); },
+          showOverlay: model => view.showOverlay(model),
+        },
+        scheduler: createCocosFrameScheduler(),
+        loadResources: () => this.loadResources(),
+        waitForMinimumDisplay: async () => {
+          await firstDraw;
+          const drawnAt = this.required(this.firstDrawAt, 'loading first draw');
+          await this.delay(Math.max(0, MINIMUM_LOADING_MS - (performance.now() - drawnAt)));
+          this.record({ kind: 'minimum-display-ready', data: performance.now() - drawnAt });
+        },
+        createSocket: url => new WebSocket(url), record: event => this.record(event),
+        onBusy: busy => view.setBusy(busy),
+        onFailure: error => this.fail(error),
+      });
+      await this.host.start();
+    } catch (error) { this.fail(error); }
+  }
+
+  private required<T>(value: T | null, name: string): T {
+    if (value === null || value === undefined) throw new Error(`LocalPlatformLogin missing ${name}`);
+    return value;
+  }
+
+  private record(event: LocalLoginEvidence): void {
+    if (event.kind === 'startup-config') this.version = (event.data as RuntimeConfig).identity.version;
+    this.evidence.push(Object.freeze({ ...event, at: performance.now() }));
+  }
+
+  private validateSprites(root: Node): void {
+    for (const sprite of root.getComponentsInChildren(Sprite)) {
+      if (!sprite.node.activeInHierarchy) continue;
+      const frame = sprite.spriteFrame;
+      if (frame === null || !isValid(frame) || frame.texture === null || !isValid(frame.texture)) {
+        throw new Error(`Invalid SpriteFrame/texture dependency: ${sprite.node.name}`);
+      }
+    }
+  }
+
+  private async loadResources(): Promise<void> {
+    if (this.stopped) throw new Error('Local login resources cancelled');
+    const prefab = this.required(this.loginPrefab, 'loginPrefab');
+    const loading = this.required(this.loadingPrefab, 'loadingPrefab');
+    if (!isValid(prefab) || !isValid(prefab.data) || !isValid(loading) || !isValid(loading.data)) {
+      throw new Error('Local login serialized Prefab dependency is invalid');
+    }
+    const instance = instantiate(prefab);
+    this.loginInstance = instance;
+    instance.parent = this.required(this.loginRoot, 'loginRoot');
+    const view = this.required(this.view, 'view');
+    view.bindLogin(instance, () => {
+      const host = this.required(this.host, 'host');
+      void host.login().catch(error => this.fail(error));
+    });
+    view.setVersion(this.required(this.version, 'resolved identity.version'));
+    // Validate active prefab content before the root is exposed as the login page.
+    for (const sprite of instance.getComponentsInChildren(Sprite)) {
+      if (!sprite.node.active) continue;
+      const frame = sprite.spriteFrame;
+      if (frame === null || !isValid(frame) || frame.texture === null || !isValid(frame.texture)) {
+        throw new Error(`Invalid login SpriteFrame/texture dependency: ${sprite.node.name}`);
+      }
+    }
+    await this.nextDraw();
+    this.record({ kind: 'resources-ready', data: { login: prefab.uuid, loading: loading.uuid } });
+  }
+
+  private nextDraw(): Promise<void> {
+    return new Promise((resolve, reject) => {
+      if (this.stopped) { reject(new Error('Local login frame cancelled')); return; }
+      const cancelFrame = createCocosFrameScheduler().request(() => {
+        this.pending.delete(cancel); resolve();
+      });
+      const cancel = () => { cancelFrame(); this.pending.delete(cancel); reject(new Error('Local login frame cancelled')); };
+      this.pending.add(cancel);
+    });
+  }
+
+  private delay(milliseconds: number): Promise<void> {
+    return new Promise((resolve, reject) => {
+      if (this.stopped) { reject(new Error('Local login timer cancelled')); return; }
+      const timer = window.setTimeout(() => { this.pending.delete(cancel); resolve(); }, milliseconds);
+      const cancel = () => { window.clearTimeout(timer); this.pending.delete(cancel); reject(new Error('Local login timer cancelled')); };
+      this.pending.add(cancel);
+    });
+  }
+
+  update(deltaSeconds: number): void {
+    if (!this.stopped && this.spinner !== null && this.spinner.activeInHierarchy) this.spinner.angle -= deltaSeconds * 180;
+  }
+
+  private release(): void {
+    this.stopped = true;
+    for (const cancel of [...this.pending]) cancel();
+    this.stopButton?.off(Node.EventType.TOUCH_END, this.stopTouch);
+    this.view?.dispose();
+    this.host?.stop();
+  }
+
+  private fail(error: unknown): void {
+    if (this.stopped) return;
+    this.record({ kind: 'component-failure', data: error });
+    try { this.release(); }
+    catch (cleanup) {
+      this.record({ kind: 'cleanup-failure', data: cleanup });
+      this.view?.showFailure({ error, cleanup });
+      return;
+    }
+    this.view?.showFailure(error);
+    if (this.view === null && this.statusLabel !== null) this.statusLabel.string = `验证失败：${String(error)}`;
+  }
+
+  stop(): void {
+    if (this.stopped) return;
+    this.view?.showStopped();
+    try { this.release(); }
+    catch (error) { this.view?.showFailure(error); }
+    this.record({ kind: 'stopped', data: null });
+  }
+
+  onDestroy(): void {
+    this.stop();
+    if (this.loginInstance !== null && isValid(this.loginInstance)) this.loginInstance.destroy();
+  }
+
+  /** Local memory only: callers must redact raw account/device IDs before sharing. */
+  getDiagnostics() {
+    return Object.freeze({ events: Object.freeze([...this.evidence]), snapshot: this.host?.getSnapshot(),
+      pageModel: this.pageModel, stopped: this.stopped, pendingCount: this.pending.size,
+      firstDrawAt: this.firstDrawAt, spinnerAngle: this.spinner?.angle });
+  }
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts.meta
new file mode 100644
index 0000000..6737380
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "2597060c-ad16-46f1-89ed-42bfaec74ad9",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-game-entry.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-game-entry.ts.meta
new file mode 100644
index 0000000..0f093bc
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-game-entry.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "aea065db-0dfa-4da8-a2cb-f1fe0165d910",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-host.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-host.ts.meta
new file mode 100644
index 0000000..53c7288
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-host.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "2c6ce55f-b5a3-4503-bc65-ca12c5537c8f",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-transport.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-transport.ts.meta
new file mode 100644
index 0000000..dbeb6af
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-transport.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "2bbf94d8-6aa1-4b5f-a94c-c3f12205f46c",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts
new file mode 100644
index 0000000..85fba6c
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts
@@ -0,0 +1,136 @@
+import { Director, Label, Node, Sprite, UITransform, director } from 'cc';
+import type { FrameScheduler, OverlayModel, PageId, PageModel, PlatformViewPort } from '../../framework/presentation/ui-contracts.ts';
+
+interface ViewReferences {
+  loadingRoot: Node; loginRoot: Node; resultRoot: Node;
+  statusOverlay: Node; statusLabel: Label; resultLabel: Label;
+}
+
+export function requireNode(root: Node, path: string): Node {
+  const node = root.getChildByPath(path);
+  if (node === null) throw new Error(`Local login binding missing node: ${path}`);
+  return node;
+}
+
+function describeFailure(error: unknown): string {
+  if (error instanceof Error) {
+    const details = 'errors' in error ? (error as Error & { errors: unknown[] }).errors : [];
+    return [error.message, ...details.map(describeFailure)].join('\n');
+  }
+  if (typeof error === 'string') return error;
+  return JSON.stringify(error, (_key, value: unknown) => value instanceof Error ? describeFailure(value) : value);
+}
+
+/** Projection of Controller models; owns only Cocos bindings and input state. */
+export class CocosLocalLoginView implements PlatformViewPort {
+  private visitor: Node | null = null;
+  private version: Label | null = null;
+  private mask: Node | null = null;
+  private touch: (() => void) | null = null;
+  private canLogin = false;
+  private busy = false;
+  private terminal = false;
+  private page: PageId = 'loading';
+
+  constructor(private readonly refs: ViewReferences) {
+    for (const [name, value] of Object.entries(refs)) {
+      if (value === null || value === undefined) throw new Error(`Local login binding missing ${name}`);
+    }
+  }
+
+  bindLogin(instance: Node, onLogin: () => void): void {
+    if (this.visitor !== null || this.terminal) throw new Error('Local login view cannot bind twice or after disposal');
+    const visitor = requireNode(instance, 'group-2/游客登录');
+    if (visitor.getComponent(Sprite) === null) throw new Error('游客登录 requires Sprite');
+    if (visitor.getComponent(UITransform) === null) throw new Error('游客登录 requires UITransform');
+    const version = requireNode(instance, 'group-2/版本显示').getComponent(Label);
+    if (version === null) throw new Error('版本显示 requires Label');
+    const mask = requireNode(instance, 'group-2/登录中遮罩');
+    const hidden = ['微信登录', '手机登录', 'qq登录', '快速登录', '隐藏快速登录-1', '隐藏快速登录-2',
+      '登录头像背景框', '登录中头像', '登录中昵称', '登录中动画', '登录中头像框']
+      .map(name => requireNode(instance, `group-2/${name}`));
+    hidden.forEach(node => { node.active = false; });
+    this.visitor = visitor; this.version = version; this.mask = mask;
+    this.touch = () => {
+      if (!this.terminal && !this.busy && this.canLogin && this.page === 'login') onLogin();
+    };
+    visitor.on(Node.EventType.TOUCH_END, this.touch);
+    mask.active = this.busy;
+  }
+
+  setVersion(version: number): void {
+    if (this.version === null) throw new Error('Login instance must be bound before version display');
+    this.version.string = String(version);
+  }
+
+  render(model: PageModel): void {
+    if (this.terminal) return;
+    switch (model.page) {
+      case 'loading': this.refs.statusLabel.string = '正在加载资源和连接本地服务…'; break;
+      case 'login': this.canLogin = model.canLogin; break;
+      case 'lobby':
+        this.refs.resultLabel.string = `登录成功\n玩家 ID：${model.self.playerid}\n昵称：${model.self.nickname}\n豆豆：${model.self.bean}`;
+        break;
+      case 'room': throw new Error('Local login view cannot present room');
+    }
+  }
+
+  activate(page: PageId): void {
+    if (this.terminal) return;
+    if (page === 'room') throw new Error('Local login view cannot activate room');
+    this.page = page;
+    this.refs.loadingRoot.active = page === 'loading';
+    this.refs.loginRoot.active = page === 'login';
+    this.refs.resultRoot.active = page === 'lobby';
+    this.refs.statusOverlay.active = page === 'loading' || this.busy;
+  }
+
+  setBusy(busy: boolean): void {
+    if (this.terminal) return;
+    this.busy = busy;
+    if (this.mask !== null) this.mask.active = busy;
+    this.refs.statusOverlay.active = busy || this.page === 'loading';
+    if (busy) this.refs.statusLabel.string = '正在登录，请稍候…';
+  }
+
+  showOverlay(model: OverlayModel): void {
+    if (this.terminal) return;
+    switch (model.kind) {
+      case 'none': this.refs.statusOverlay.active = this.busy || this.page === 'loading'; break;
+      case 'reconnect':
+        this.refs.statusOverlay.active = true;
+        this.refs.statusLabel.string = '连接中断，正在重连…'; break;
+      case 'denial': this.showFailure(model.outcome.data); break;
+      case 'kicked': this.showFailure(model.data); break;
+      case 'fatal': this.showFailure(model.error); break;
+    }
+  }
+
+  showFailure(error: unknown): void {
+    this.dispose();
+    this.refs.statusOverlay.active = true;
+    this.refs.statusLabel.string = `验证失败：${describeFailure(error)}`;
+  }
+
+  showStopped(): void {
+    if (this.terminal) return;
+    this.dispose();
+    this.refs.statusOverlay.active = true;
+    this.refs.statusLabel.string = '已停止本次验证';
+  }
+
+  dispose(): void {
+    this.terminal = true; this.canLogin = false; this.busy = false;
+    if (this.visitor !== null && this.touch !== null) this.visitor.off(Node.EventType.TOUCH_END, this.touch);
+    this.touch = null;
+    if (this.mask !== null) this.mask.active = false;
+  }
+}
+
+export function createCocosFrameScheduler(): FrameScheduler {
+  return { request(callback) {
+    const onDraw = () => { director.off(Director.EVENT_AFTER_DRAW, onDraw); callback(); };
+    director.on(Director.EVENT_AFTER_DRAW, onDraw);
+    return () => { director.off(Director.EVENT_AFTER_DRAW, onDraw); };
+  } };
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts.meta
new file mode 100644
index 0000000..3eb9eab
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-view.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "5af2497c-15f2-4493-be9b-a6391d25b878",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-wire.ts.meta b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-wire.ts.meta
new file mode 100644
index 0000000..5db90f4
--- /dev/null
+++ b/cocoscreator_projects/YouleNexus/assets/scripts/local-platform-login/local-login-wire.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.24",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "96a339e3-f954-4e96-b07f-9fe124d457f0",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/cocoscreator_projects/framework-tests/local-platform-login/view.test.ts b/cocoscreator_projects/framework-tests/local-platform-login/view.test.ts
new file mode 100644
index 0000000..3b7320b
--- /dev/null
+++ b/cocoscreator_projects/framework-tests/local-platform-login/view.test.ts
@@ -0,0 +1,145 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync, existsSync } from 'node:fs';
+import { runInNewContext } from 'node:vm';
+import ts from 'typescript';
+import { EventEmitter } from 'node:events';
+
+class Sprite {}
+class UITransform {}
+class Label { string = ''; }
+class Node extends EventEmitter {
+  static EventType = { TOUCH_END: 'touch-end' };
+  active = true;
+  children: Node[] = [];
+  components = new Map<unknown, unknown>();
+  constructor(public name = '') { super(); }
+  getComponent(type: unknown) { return this.components.get(type) ?? null; }
+  getChildByPath(path: string): Node | null {
+    const [head, ...tail] = path.split('/');
+    const child = this.children.find(node => node.name === head);
+    return child ? (tail.length ? child.getChildByPath(tail.join('/')) : child) : null;
+  }
+}
+const director = new EventEmitter();
+const source = new URL('../../YouleNexus/assets/scripts/local-platform-login/local-login-view.ts', import.meta.url);
+function load() {
+  assert.ok(existsSync(source), 'Cocos local login view implementation must exist');
+  const exports = {};
+  runInNewContext(ts.transpileModule(readFileSync(source, 'utf8'), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
+  }).outputText, { exports, require: (name: string) => {
+    assert.equal(name, 'cc');
+    return { Node, Sprite, UITransform, Label, director, Director: { EVENT_AFTER_DRAW: 'draw' } };
+  }, Error });
+  return exports as any;
+}
+function fixture() {
+  const refs = { loadingRoot: new Node(), loginRoot: new Node(), resultRoot: new Node(),
+    statusOverlay: new Node(), statusLabel: new Label(), resultLabel: new Label() };
+  const instance = new Node(); const group = new Node('group-2'); instance.children.push(group);
+  for (const name of ['游客登录', '版本显示', '微信登录', '手机登录', 'qq登录', '快速登录',
+    '隐藏快速登录-1', '隐藏快速登录-2', '登录中遮罩', '登录头像背景框', '登录中头像',
+    '登录中昵称', '登录中动画', '登录中头像框']) {
+    const node = new Node(name); group.children.push(node);
+    node.components.set(Sprite, new Sprite()); node.components.set(UITransform, new UITransform());
+    node.components.set(Label, new Label());
+  }
+  return { refs, instance, group, visitor: instance.getChildByPath('group-2/游客登录')! };
+}
+test('required binding fails explicitly, including missing Sprite', () => {
+  const { CocosLocalLoginView } = load(); const f = fixture();
+  const view = new CocosLocalLoginView(f.refs);
+  assert.throws(() => view.bindLogin(new Node(), () => {}), /游客登录/);
+  f.visitor.components.delete(Sprite);
+  assert.throws(() => view.bindLogin(f.instance, () => {}), /Sprite/);
+});
+test('PageModel drives result labels and blocks room presentation', () => {
+  const { CocosLocalLoginView } = load(); const f = fixture(); const view = new CocosLocalLoginView(f.refs);
+  view.render({ page: 'lobby', self: { playerid: 19, nickname: '测试玩家', bean: 72, avatar: 'unused' } });
+  view.activate('lobby');
+  assert.equal(f.refs.resultLabel.string, '登录成功\n玩家 ID：19\n昵称：测试玩家\n豆豆：72');
+  assert.equal(f.refs.resultRoot.active, true); assert.equal(f.refs.loginRoot.active, false);
+  assert.throws(() => view.activate('room'), /room/);
+});
+test('busy mask and readiness gate touch, terminal disposal removes ownership', () => {
+  const { CocosLocalLoginView } = load(); const f = fixture(); const view = new CocosLocalLoginView(f.refs);
+  let clicks = 0; view.bindLogin(f.instance, () => clicks++); view.setVersion(123);
+  assert.equal((f.instance.getChildByPath('group-2/版本显示')!.getComponent(Label) as Label).string, '123');
+  assert.equal(f.instance.getChildByPath('group-2/微信登录')!.active, false);
+  view.render({ page: 'login', canLogin: false }); view.activate('login'); f.visitor.emit('touch-end');
+  assert.equal(clicks, 0);
+  view.render({ page: 'login', canLogin: true }); view.setBusy(true); f.visitor.emit('touch-end');
+  assert.equal(clicks, 0); assert.equal(f.instance.getChildByPath('group-2/登录中遮罩')!.active, true);
+  view.setBusy(false); f.visitor.emit('touch-end'); assert.equal(clicks, 1);
+  view.showFailure({ state: 7, msg: '服务器拒绝' }); view.showOverlay({ kind: 'none' });
+  assert.match(f.refs.statusLabel.string, /服务器拒绝/);
+  f.visitor.emit('touch-end'); assert.equal(clicks, 1);
+  view.dispose(); assert.equal(f.visitor.listenerCount('touch-end'), 0);
+});
+test('frame request is one shot and real cancellation removes pending draw callback', () => {
+  const { createCocosFrameScheduler } = load(); const scheduler = createCocosFrameScheduler(); let calls = 0;
+  const cancel = scheduler.request(() => calls++); cancel(); director.emit('draw'); assert.equal(calls, 0);
+  scheduler.request(() => calls++); director.emit('draw'); director.emit('draw'); assert.equal(calls, 1);
+  assert.equal(director.listenerCount('draw'), 0);
+});
+
+test('failure display preserves nested server and cleanup errors', () => {
+  const { CocosLocalLoginView } = load(); const f = fixture();
+  const view = new CocosLocalLoginView(f.refs);
+  view.showFailure({ error: { state: 8, msg: '版本拒绝' }, cleanup: new Error('socket close failed') });
+  assert.match(f.refs.statusLabel.string, /版本拒绝/);
+  assert.match(f.refs.statusLabel.string, /socket close failed/);
+});
+
+test('component rejects non-debug/native before creating host or writing browser storage', async () => {
+  const path = new URL('../../YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts', import.meta.url);
+  assert.ok(existsSync(path), 'LocalPlatformLogin component must exist');
+  for (const [debug, native] of [[false, false], [true, true]]) {
+    let hosts = 0; const exports: any = {};
+    class Component {}
+    const decorator = (..._args: unknown[]) => (target: unknown) => target;
+    runInNewContext(ts.transpileModule(readFileSync(path, 'utf8'), {
+      compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020, experimentalDecorators: true },
+    }).outputText, { exports, require: (name: string) => {
+      if (name === 'cc/env') return { DEBUG: debug };
+      if (name === 'cc') return { Component, Node, Label, Prefab: class {}, sys: { isNative: native },
+        _decorator: { ccclass: decorator, property: () => () => {} } };
+      if (name.endsWith('local-login-host.ts')) return { createLocalLoginHost: () => { hosts++; } };
+      if (name.endsWith('local-login-view.ts')) return load();
+      if (name.endsWith('remote-config-fetcher.ts')) return { HttpConfigFetcher: class {} };
+      throw new Error(`Unexpected dependency ${name}`);
+    }, Error });
+    const component = new exports.LocalPlatformLogin();
+    await assert.rejects(async () => component.start(), /DEBUG.*browser/);
+    assert.equal(hosts, 0);
+  }
+});
+
+test('component stop cancels pending draw and timer work and disables spinner updates', async () => {
+  const path = new URL('../../YouleNexus/assets/scripts/local-platform-login/LocalPlatformLogin.ts', import.meta.url);
+  const exports: any = {}; const timers = new Map<number, () => void>(); let timerId = 0;
+  runInNewContext(ts.transpileModule(readFileSync(path, 'utf8'), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020, experimentalDecorators: true },
+  }).outputText, { exports, require: (name: string) => {
+    if (name === 'cc/env') return { DEBUG: true };
+    if (name === 'cc') return { Component: class {}, Node, Label, Prefab: class {}, sys: { isNative: false },
+      _decorator: { ccclass: () => (target: unknown) => target, property: () => () => {} } };
+    if (name.endsWith('local-login-host.ts')) return {};
+    if (name.endsWith('local-login-view.ts')) return load();
+    if (name.endsWith('remote-config-fetcher.ts')) return {};
+    throw new Error(`Unexpected dependency ${name}`);
+  }, Error, performance: { now: () => 123 }, window: {
+    setTimeout: (callback: () => void) => { timers.set(++timerId, callback); return timerId; },
+    clearTimeout: (id: number) => timers.delete(id),
+  } });
+  const component = new exports.LocalPlatformLogin();
+  const draw = component.nextDraw(); const timer = component.delay(900);
+  const drawRejection = assert.rejects(draw, /cancelled/); const timerRejection = assert.rejects(timer, /cancelled/);
+  component.spinner = { angle: 50, activeInHierarchy: true };
+  component.update(0.5); assert.equal(component.spinner.angle, -40);
+  component.stop(); await Promise.all([drawRejection, timerRejection]);
+  component.update(0.5); assert.equal(component.spinner.angle, -40);
+  assert.equal(timers.size, 0); assert.equal(director.listenerCount('draw'), 0);
+  assert.equal(component.getDiagnostics().pendingCount, 0);
+});