feat(sdk): define single-game public contracts

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/game-entry.ts

@@ -0,0 +1,10 @@
+import type { GameModule } from './game-module.ts';
+
+/** The one compile-time game identity and module factory for an app. */
+export interface GameEntry {
+  readonly key: string;
+  readonly gameId: string | number;
+  readonly route: string;
+  resolveSeatCount(roomtype: readonly unknown[]): number;
+  createModule(): GameModule;
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/game-host.ts

@@ -0,0 +1,15 @@
+import type { GameSeatMapper } from './game-seat-mapper.ts';
+import type { PlatformGameSnapshot } from './snapshots.ts';
+
+export type GameHostCommand =
+  | { readonly type: 'room.prepare' }
+  | { readonly type: 'room.exit' };
+
+/** The only platform capability surface available to a game module. */
+export interface GameHost {
+  readonly seat: GameSeatMapper;
+  getSnapshot(): PlatformGameSnapshot;
+  subscribe(listener: (snapshot: PlatformGameSnapshot) => void): () => void;
+  sendGameMessage(rpc: string, data: unknown): void;
+  execute(command: GameHostCommand): void;
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/game-module.ts

@@ -0,0 +1,11 @@
+import type { GameHost } from './game-host.ts';
+import type { GameServerMessage, PlatformToGameEvent } from './platform-events.ts';
+
+/** Per-room game implementation with an explicit lifecycle. */
+export interface GameModule {
+  attach(host: GameHost): void;
+  handlePlatformEvent(event: PlatformToGameEvent): void;
+  handleGameMessage(message: GameServerMessage): void;
+  restore(deskinfo: unknown): void;
+  dispose(): void;
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/game-seat-mapper.ts

@@ -0,0 +1,5 @@
+/** Maps server seat numbers to the current game's view-seat numbers. */
+export interface GameSeatMapper {
+  toView(serverSeat: number): number;
+  toServer(viewSeat: number): number;
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/index.ts

@@ -0,0 +1,6 @@
+export * from './game-entry.ts';
+export * from './game-host.ts';
+export * from './game-module.ts';
+export * from './game-seat-mapper.ts';
+export * from './platform-events.ts';
+export * from './snapshots.ts';

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/platform-events.ts

@@ -0,0 +1,15 @@
+/** Platform lifecycle events delivered to the current game module. */
+export type PlatformToGameEvent =
+  | { readonly type: 'room.entered'; readonly roomtype: readonly unknown[] }
+  | { readonly type: 'room.player-joined'; readonly seat: number }
+  | { readonly type: 'room.player-left'; readonly seat: number }
+  | { readonly type: 'room.player-ready'; readonly seat: number }
+  | { readonly type: 'room.player-offline'; readonly seat: number }
+  | { readonly type: 'room.player-online'; readonly seat: number }
+  | { readonly type: 'room.dissolved' };
+
+/** Opaque game-route server message; only the game interprets its data. */
+export interface GameServerMessage {
+  readonly rpc: string;
+  readonly data: unknown;
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/contracts/snapshots.ts

@@ -0,0 +1,45 @@
+/** Public connection phases available to a game. */
+export type PlatformGameConnectionPhase =
+  | 'connected'
+  | 'logged-in'
+  | 'reconnecting'
+  | 'slow'
+  | 'kicked';
+
+/** Plain public connection projection. */
+export interface PlatformGameAppSnapshot {
+  readonly phase: PlatformGameConnectionPhase;
+}
+
+/** Plain public identity projection for the local player. */
+export interface PlatformGameSelfSnapshot {
+  readonly playerId: number;
+  readonly seat: number;
+}
+
+/** Plain public room projection. `roomtype` remains opaque server data. */
+export interface PlatformGameRoomSnapshot {
+  readonly roomcode: string;
+  readonly roomtype: readonly unknown[];
+  readonly stage: number;
+  readonly needprepare: number;
+  readonly infinite: number;
+}
+
+/** Plain public player projection for one occupied game seat. */
+export interface GameSeatSnapshot {
+  readonly seat: number;
+  readonly playerId: number;
+  readonly nickname: string;
+  readonly avatar: string;
+  readonly online: boolean;
+  readonly ready: boolean;
+}
+
+/** Immutable platform data exposed to a game module. */
+export interface PlatformGameSnapshot {
+  readonly connection: PlatformGameAppSnapshot;
+  readonly self: PlatformGameSelfSnapshot;
+  readonly room: PlatformGameRoomSnapshot;
+  readonly seats: readonly GameSeatSnapshot[];
+}

cocoscreator_projects/YouleNexus/assets/framework/sdk/index.ts

@@ -1,3 +1,5 @@
+export * from './contracts/index.ts';
+
 import type { EventBus } from '../core/events.ts';
 import type { ReadonlyReactive } from '../core/reactive.ts';
 import type { ReadonlyPlayerStore } from '../platform/readonly.ts';
@@ -26,6 +28,8 @@ export interface GameSeat {
 }
 
 /**
+ * @deprecated migration-only. Use GameHost from sdk/contracts instead.
+ *
  * GameContext：子游戏调用框架能力的唯一入口。
  *
  * 只暴露只读 Store + 受限 net.send + 座位工具 + 事件总线。
@@ -47,6 +51,8 @@ export interface GameContext {
 }
 
 /**
+ * @deprecated migration-only. Use GameModule from sdk/contracts instead.
+ *
  * IGameModule：子游戏实现，被框架调用（框架 spec §4）。
  *
  * 子游戏实现这个接口并注册自己；框架 Router 据 route 分发对局包。

cocoscreator_projects/framework-tests/architecture/import-boundaries.test.mjs

@@ -0,0 +1,87 @@
+import { afterEach, test } from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtemp, mkdir, rm, writeFile } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import { dirname, join } from 'node:path';
+import { scanImportBoundaries } from '../../scripts/lib/import-boundaries.mjs';
+
+const roots = [];
+
+afterEach(async () => {
+  await Promise.all(roots.splice(0).map((root) => rm(root, { recursive: true, force: true })));
+});
+
+async function createFixtureRoot() {
+  const root = await mkdtemp(join(tmpdir(), 'youle-import-boundaries-'));
+  roots.push(root);
+  return root;
+}
+
+async function writeFixture(root, relativePath, source) {
+  const file = join(root, relativePath);
+  await mkdir(dirname(file), { recursive: true });
+  await writeFile(file, source, 'utf8');
+}
+
+function scan(root) {
+  return scanImportBoundaries({
+    frameworkDir: join(root, 'framework'),
+    gamesDir: join(root, 'games'),
+  });
+}
+
+test('scanner rejects sdk contracts importing a framework platform path', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'framework/sdk/contracts/bad.ts', "import '../platform/session.ts'\n");
+  assert.match(scan(root)[0].message, /sdk.*platform/);
+});
+
+test('scanner rejects game imports of framework net internals', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'games/a/assets/game/bad.ts', "import '../../../framework/net/net-client.ts'\n");
+  assert.match(scan(root)[0].message, /game.*framework\/net/);
+});
+
+test('scanner permits a game import of the public sdk barrel', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'games/a/assets/game/allowed.ts', "import '../../../../framework/sdk/index.ts'\n");
+  assert.deepEqual(scan(root), []);
+});
+
+test('scanner rejects games importing migration-only sdk declarations', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'games/a/assets/game/bad.ts', "import type { GameContext } from '../../../../framework/sdk/index.ts'\n");
+  assert.match(scan(root)[0].message, /game.*GameContext.*migration-only/);
+});
+
+test('scanner rejects cc imports in sdk contracts', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'framework/sdk/contracts/bad.ts', "import { Node } from 'cc'\n");
+  assert.match(scan(root)[0].message, /sdk\/contracts.*cc/);
+});
+
+test('scanner permits cc imports in game code', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'games/a/assets/game/allowed.ts', "import { Node } from 'cc'\n");
+  assert.deepEqual(scan(root), []);
+});
+
+test('scanner rejects framework imports resolving under games', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'framework/ui/bad.ts', "import '../../games/a/assets/game/entry.ts'\n");
+  assert.match(scan(root)[0].message, /framework.*games/);
+});
+
+test('scanner rejects new production imports of a quarantined legacy runtime', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'framework/application/bad.ts', "import '../net/net-client.ts'\n");
+  const violations = scan(root);
+  assert.equal(violations.length, 1);
+  assert.match(violations[0].message, /new production code.*legacy runtime/);
+});
+
+test('scanner rejects string-literal dynamic imports that cross a boundary', async () => {
+  const root = await createFixtureRoot();
+  await writeFixture(root, 'games/a/assets/game/bad.ts', "await import('../../../framework/net/net-client.ts')\n");
+  assert.match(scan(root)[0].message, /game.*framework\/net/);
+});

cocoscreator_projects/framework-tests/sdk/contracts.test.ts

@@ -0,0 +1,28 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import type {
+  GameEntry, GameHost, GameModule, GameServerMessage,
+  PlatformGameSnapshot, PlatformToGameEvent,
+} from '../../YouleNexus/assets/framework/sdk/contracts/index.ts';
+
+test('single GameEntry contract has no registry or runtime version member', () => {
+  const module: GameModule = {
+    attach(_host: GameHost) {},
+    handlePlatformEvent(_event: PlatformToGameEvent) {},
+    handleGameMessage(_message: GameServerMessage) {},
+    restore(_deskinfo: unknown) {},
+    dispose() {},
+  };
+  const entry: GameEntry = {
+    key: 'fixture', gameId: 41, route: 'fixture-route',
+    resolveSeatCount: () => 4,
+    createModule: () => module,
+  };
+  assert.equal(entry.route, 'fixture-route');
+  assert.equal('apiVersion' in entry, false);
+});
+
+test('public snapshot is plain readonly data', () => {
+  const value = {} as PlatformGameSnapshot;
+  assert.equal('state' in value, false);
+});

cocoscreator_projects/package.json

@@ -14,7 +14,8 @@
     "convert-ui": "node scripts/convert-ui.mjs",
     "verify-frames": "node scripts/verify-frames.mjs",
     "test:framework": "node scripts/run-framework-tests.mjs",
-    "typecheck:framework": "tsc -p tsconfig.framework.json --noEmit"
+    "typecheck:framework": "tsc -p tsconfig.framework.json --noEmit",
+    "check-boundaries": "node scripts/check-import-boundaries.mjs"
   },
   "devDependencies": {
     "@types/node": "^26.0.1",

cocoscreator_projects/scripts/check-import-boundaries.mjs

@@ -0,0 +1,18 @@
+import { resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { scanImportBoundaries } from './lib/import-boundaries.mjs';
+
+const projectDir = resolve(fileURLToPath(new URL('..', import.meta.url)));
+const violations = scanImportBoundaries({
+  frameworkDir: resolve(projectDir, 'YouleNexus/assets/framework'),
+  gamesDir: resolve(projectDir, 'games'),
+});
+
+if (violations.length > 0) {
+  for (const { file, specifier, message } of violations) {
+    console.error(`[import-boundaries] ${file}: ${specifier} — ${message}`);
+  }
+  process.exitCode = 1;
+} else {
+  console.log('[import-boundaries] OK');
+}

cocoscreator_projects/scripts/lib/import-boundaries.mjs

@@ -0,0 +1,136 @@
+import { readdirSync, readFileSync, statSync } from 'node:fs';
+import { dirname, isAbsolute, relative, resolve } from 'node:path';
+
+const SDK_ALLOWED = /framework[\\/]sdk(?:[\\/]|$)/;
+const FRAMEWORK_INTERNAL = /framework[\\/](?:net|protocol|platform|application|domain|presentation|ui|core|compat)(?:[\\/]|$)/;
+const LEGACY_RUNTIME = /framework[\\/](?:net[\\/]net-client|platform[\\/](?:session|startup|room-rpc-bus|readonly|stores[\\/](?:app-store|player-store|room-store|types))|protocol[\\/]room-handlers)\.ts$/;
+const CONTRACTS_PATH = /framework[\\/]sdk[\\/]contracts(?:[\\/]|$)/;
+const MIGRATION_ONLY_NAMES = new Set(['GameContext', 'IGameModule']);
+
+/**
+ * Recursively scans TypeScript imports for framework/game layering violations.
+ * Paths in violations are normalized for useful, cross-platform diagnostics.
+ */
+export function scanImportBoundaries(options) {
+  const frameworkDir = resolve(options.frameworkDir);
+  const gamesDir = resolve(options.gamesDir);
+  const violations = [];
+
+  for (const file of [...typescriptFiles(frameworkDir), ...typescriptFiles(gamesDir)]) {
+    const source = readFileSync(file, 'utf8');
+    for (const imported of extractImports(source)) {
+      const resolved = imported.specifier.startsWith('.')
+        ? resolve(dirname(file), imported.specifier)
+        : null;
+      const violation = findViolation({
+        file,
+        specifier: imported.specifier,
+        bindings: imported.bindings,
+        resolved,
+        frameworkDir,
+        gamesDir,
+      });
+      if (violation) violations.push(violation);
+    }
+  }
+
+  return violations;
+}
+
+function* typescriptFiles(directory) {
+  let entries;
+  try {
+    entries = readdirSync(directory);
+  } catch (error) {
+    if (error && error.code === 'ENOENT') return;
+    throw error;
+  }
+  for (const entry of entries) {
+    const file = resolve(directory, entry);
+    if (statSync(file).isDirectory()) yield* typescriptFiles(file);
+    else if (file.endsWith('.ts')) yield file;
+  }
+}
+
+function extractImports(source) {
+  const imports = [];
+  const staticImport = /\bimport\s+(?!\()(?:(?:type\s+)?([^;\n]+?)\s+from\s+)?(['"])([^'"\n]+)\2/g;
+  for (const match of source.matchAll(staticImport)) {
+    imports.push({ specifier: match[3], bindings: match[1] ?? '' });
+  }
+  const dynamicImport = /\bimport\s*\(\s*(['"])([^'"\n]+)\1\s*\)/g;
+  for (const match of source.matchAll(dynamicImport)) {
+    imports.push({ specifier: match[2], bindings: '' });
+  }
+  return imports;
+}
+
+function findViolation(context) {
+  const { file, specifier, bindings, resolved, frameworkDir, gamesDir } = context;
+  const filePath = displayPath(file);
+  const resolvedPath = resolved ? displayPath(resolved) : specifier;
+  const isContract = CONTRACTS_PATH.test(filePath);
+  const isGame = isInside(file, gamesDir);
+  const isFramework = isInside(file, frameworkDir);
+
+  if (isContract && specifier === 'cc') {
+    return violation(filePath, specifier, `sdk/contracts cannot import cc (${filePath})`);
+  }
+
+  if (isContract && resolved && dirname(resolved) !== dirname(file)) {
+    return violation(filePath, specifier, `sdk/contracts may import only sibling contracts; sdk path resolved to ${resolvedPath}`);
+  }
+
+  if (isGame && resolved && isFrameworkReference(resolved, frameworkDir) && !SDK_ALLOWED.test(resolvedPath)) {
+    return violation(filePath, specifier, `game code may import only framework/sdk; game import resolved to ${resolvedPath}`);
+  }
+
+  if (isGame && resolved && SDK_ALLOWED.test(resolvedPath) && importsMigrationOnlyName(bindings)) {
+    return violation(filePath, specifier, `game code cannot import ${migrationOnlyName(bindings)}; it is migration-only`);
+  }
+
+  if (isFramework && resolved && isInside(resolved, gamesDir)) {
+    return violation(filePath, specifier, `framework code cannot import games; framework import resolved to ${resolvedPath}`);
+  }
+
+  if (resolved && LEGACY_RUNTIME.test(resolvedPath) && !isLegacyRuntimeImporter(filePath, frameworkDir)) {
+    return violation(filePath, specifier, `new production code cannot import quarantined legacy runtime ${resolvedPath}`);
+  }
+
+  return null;
+}
+
+function isFrameworkReference(path, frameworkDir) {
+  return isInside(path, frameworkDir)
+    || SDK_ALLOWED.test(path)
+    || FRAMEWORK_INTERNAL.test(path)
+    || /(?:^|[\\/])framework(?:[\\/]|$)/.test(path);
+}
+
+function isLegacyRuntimeImporter(filePath, frameworkDir) {
+  const normalizedFrameworkDir = displayPath(frameworkDir);
+  return filePath === `${normalizedFrameworkDir}/sdk/index.ts` || LEGACY_RUNTIME.test(filePath);
+}
+
+function importsMigrationOnlyName(bindings) {
+  return [...MIGRATION_ONLY_NAMES].some((name) => new RegExp(`\\b${name}\\b`).test(bindings));
+}
+
+function migrationOnlyName(bindings) {
+  return [...MIGRATION_ONLY_NAMES].find((name) => new RegExp(`\\b${name}\\b`).test(bindings));
+}
+
+function isInside(file, directory) {
+  const pathFromDirectory = relative(directory, file);
+  return pathFromDirectory !== '' && !pathFromDirectory.startsWith('..') && !isAbsolute(pathFromDirectory);
+}
+
+function displayPath(file) {
+  return file.replaceAll('\\', '/');
+}
+
+function violation(file, specifier, message) {
+  return { file, specifier, message };
+}
+
+export { FRAMEWORK_INTERNAL, LEGACY_RUNTIME, SDK_ALLOWED };