Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

assets/scripts/core/EmbeddedView.ts

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+import { Camera, director, find, view, ResolutionPolicy } from 'cc';
+import { DESIGN_WIDTH, DESIGN_HEIGHT } from './GridConstants';
+
+/**
+ * 编辑器内嵌左栏：先 setFrameSize 铺满容器，再 FIXED_WIDTH 按宽适配（与 test.001code.com 一致）。
+ * 须配合 loader 在 resize 时调用 view.setFrameSize(clientW, clientH)。
+ */
+export function applyEmbeddedDesignResolution(): void {
+    view.resizeWithBrowserSize(true);
+    const frame = view.getFrameSize();
+    if (frame.width <= 0 || frame.height <= 0) {
+        view.setDesignResolutionSize(DESIGN_WIDTH, DESIGN_HEIGHT, ResolutionPolicy.FIXED_WIDTH);
+        syncEmbeddedCamerasOrtho();
+        return;
+    }
+    view.setDesignResolutionSize(DESIGN_WIDTH, DESIGN_HEIGHT, ResolutionPolicy.FIXED_WIDTH);
+    syncEmbeddedCamerasOrtho();
+}
+
+/** 内嵌画布当前可视半高（设计坐标） */
+export function getEmbeddedOrthoHalf(): number {
+    const vis = view.getVisibleSize();
+    return (vis.height > 0 ? vis.height : DESIGN_HEIGHT) / 2;
+}
+
+/** 主相机 / 背景 / HUD 相机正交高度须与可视高度一致，否则关卡与 HUD 错位 */
+export function syncEmbeddedCamerasOrtho(): void {
+    const halfH = getEmbeddedOrthoHalf();
+    const scene = director.getScene();
+    if (!scene) return;
+    for (const camName of ['UICamera', 'BgCamera', 'Main Camera']) {
+        const cam = find(camName, scene)?.getComponent(Camera);
+        if (cam) cam.orthoHeight = halfH;
+    }
+    const mainNode = find('Main Camera', scene);
+    if (mainNode) mainNode.setPosition(0, 0, mainNode.position.z);
+    (globalThis as { __tfrhSyncHudOrtho?: () => void }).__tfrhSyncHudOrtho = syncEmbeddedCamerasOrtho;
+}
+
+/** @deprecated 使用 syncEmbeddedCamerasOrtho */
+export function syncHudCameraOrtho(): void {
+    syncEmbeddedCamerasOrtho();
+}