diff --git a/docs/project-memory/plans/【里程碑】游戏分发目录详情与在线游玩-2026-09-18.md b/docs/project-memory/plans/【里程碑】游戏分发目录详情与在线游玩-2026-09-18.md
index e3142fea0..114b35c2d 100644
--- a/docs/project-memory/plans/【里程碑】游戏分发目录详情与在线游玩-2026-09-18.md
+++ b/docs/project-memory/plans/【里程碑】游戏分发目录详情与在线游玩-2026-09-18.md
@@ -163,4 +163,4 @@
   - 第 1 条（owner 不能由请求伪造；其他账号不能读取私有版本、上传、提交或撤销）：领域侧有 `owner_is_required_for_version_and_package_mutations`；接口侧代码在越权时返回 403/404，但**没有跨账号读/写/撤销的接口级用例**——缺的就是这一层。
   - 第 4 条（一份版本只接受一份已确认内容；同 key 同请求幂等、不同请求冲突；同版本并发上传不混写）：前两半已覆盖——`idempotency_replays_same_snapshot_and_rejects_digest_conflict`、`validation_failure_can_retry_same_confirmed_package`、api-server 的 `idempotency_key_requires_a_bounded_non_empty_header`；**本轮新增** `a_version_accepts_only_one_confirmed_package`（不同摘要或字节数的确认被拒为 `PackageMismatch`，重复确认同一份内容返回同一包身份；变异去掉该守卫后只有它变红）。**仍缺**「同版本并发上传不混写」：串行化在 `spacetime-module` / api-server 的 CAS 那一层，领域服务本身是同步的，需要在那一层写用例。
   - 第 5 条（校验可异步恢复；响应丢失、服务进程退出与客户端重试回到原版本；确定失败与未知结果可区分）：只有 api-server 的 `recovery_action_covers_every_version_status` 覆盖"状态 → 恢复动作"的映射；后两句在 game-distribution 链路没有用例。
-  - 第 6 条（状态/私有查询/错误 envelope 的 Rust 与 TS DTO 一致；新增 schema、迁移、表目录与绑定一致）：后半句有门禁（`npm run lint` 内的 SpacetimeDB schema guard 覆盖 85 张表、生成绑定校验通过）；DTO 侧有 `public_payload_exposes_cover_and_screenshot_object_keys`、`version_detail_payload_exposes_frozen_metadata_to_owner`、`package_validation_errors_are_unprocessable`；缺口是 `packages/shared/src/contracts/gameDistribution.ts` 为手写 DTO，**没有任何 Rust↔TS 一致性检查**。
+  - 第 6 条（状态/私有查询/错误 envelope 的 Rust 与 TS DTO 一致；新增 schema、迁移、表目录与绑定一致）：后半句有门禁（`npm run lint` 内的 SpacetimeDB schema guard 覆盖 85 张表、生成绑定校验通过）。**本轮新增** `check:game-distribution-dto-parity`（已接进 `npm run lint`）：按显式映射表逐字段/逐变体比对 14 组 Rust `shared-contracts` DTO 与手写 `packages/shared/src/contracts/gameDistribution.ts`，两个方向都做过变异验证——TS 侧把 `name` 改成 `displayName`、Rust 侧给 `GameDistributionAuthor` 加 `extra_field`，各自都让门禁失败并指出缺哪个字段；脚本同时登记了 7 个「服务端逐字段手拼 JSON、没有 Rust 结构体」的 TS 类型。**缺口**：`GameDistributionGame` / `GameDistributionPrivateVersion` 这两个响应仍有 4 个附加字段（`coverObjectKey` / `screenshots` / `publicationRevision`）不在 Rust 结构体里——`public_game_payload` / `game_payload` 是 `serde_json::json!` 手拼的；要彻底满足这一句，需要先把响应改成结构化类型，届时把脚本里的 `TS_ONLY_FIELDS` 清空即可。
diff --git a/package.json b/package.json
index 4885bc135..fc3be4ecb 100644
--- a/package.json
+++ b/package.json
@@ -72,6 +72,7 @@
     "check:rustfmt": "cargo fmt --all --manifest-path server-rs/Cargo.toml -- --check && cargo fmt --all --manifest-path apps/ai-game-creator-shell/src-tauri/Cargo.toml -- --check && cargo fmt --all --manifest-path plugins/agc-unity-editor/native/unity-editor-bridge/Cargo.toml -- --check && cargo fmt --all --manifest-path plugins/agc-godot-editor/native/godot-editor-bridge/Cargo.toml -- --check",
     "check:spacetime-schema": "node scripts/check-spacetime-schema-guard.mjs",
     "check:generated-bindings": "node scripts/check-generated-bindings.mjs",
+    "check:game-distribution-dto-parity": "node scripts/check-game-distribution-dto-parity.mjs",
     "check:game-distribution-media-e2e": "node scripts/check-game-distribution-media-e2e.mjs",
     "check:production-ops": "node scripts/check-production-ops-guardrails.mjs",
     "check:preview-deployer": "node scripts/check-preview-deployer.mjs",
@@ -120,7 +121,7 @@
     "check:server-rs-ddd": "npm run check:spacetime-schema && npm run check:spacetime-runtime-access && npm run check:module-runtime-artifact && node scripts/check-server-rs-ddd-boundaries.mjs",
     "lint:eslint": "eslint . --ext .ts,.tsx,.js,.mjs,.cjs --max-warnings 0",
     "typecheck": "tsc -p tsconfig.typecheck-guardrails.json --noEmit",
-    "lint": "npm run check:encoding && npm run check:doc-index && npm run check:npm-workspaces && npm run check:git-hooks && npm run check:rustfmt && npm run check:spacetime-schema && npm run check:generated-bindings && npm run check:production-ops && npm run check:preview-deployer && npm run check:maintenance-page && npm run lint:eslint && npm run typecheck",
+    "lint": "npm run check:encoding && npm run check:doc-index && npm run check:npm-workspaces && npm run check:git-hooks && npm run check:rustfmt && npm run check:spacetime-schema && npm run check:generated-bindings && npm run check:game-distribution-dto-parity && npm run check:production-ops && npm run check:preview-deployer && npm run check:maintenance-page && npm run lint:eslint && npm run typecheck",
     "lint:fix": "eslint . --ext .ts,.tsx,.js,.mjs,.cjs --fix && prettier --write .",
     "format:rust": "cargo fmt --all --manifest-path server-rs/Cargo.toml && cargo fmt --all --manifest-path apps/ai-game-creator-shell/src-tauri/Cargo.toml && cargo fmt --all --manifest-path plugins/agc-unity-editor/native/unity-editor-bridge/Cargo.toml && cargo fmt --all --manifest-path plugins/agc-godot-editor/native/godot-editor-bridge/Cargo.toml",
     "format": "prettier --write . && npm run format:rust",
diff --git a/scripts/check-game-distribution-dto-parity.mjs b/scripts/check-game-distribution-dto-parity.mjs
new file mode 100644
index 000000000..a3d578f22
--- /dev/null
+++ b/scripts/check-game-distribution-dto-parity.mjs
@@ -0,0 +1,195 @@
+#!/usr/bin/env node
+// 检查 game-distribution 的 Rust DTO 与手写 TS DTO 是否一致。
+//
+// 为什么需要它：`packages/shared/src/contracts/gameDistribution.ts` 是手写的，没有生成绑定兜底。
+// Rust 侧加字段而 TS 侧忘改时，只有跑起来才会发现。这里用一张显式映射表逐字段/逐变体比对：
+//   - 映射表同时是「哪些 Rust DTO 必须在 TS 里有对应类型」的清单；
+//   - `TS_ONLY_TYPES` 是「服务端手拼 JSON、没有 Rust 结构体」的说明清单；
+//   - `TS_ONLY_FIELDS` 记录已知的、有原因的响应侧附加字段。
+// 任何一处没有分类的新类型、新字段都会让检查失败，避免静默漂移。
+
+import fs from 'node:fs';
+
+const RUST_FILE = 'server-rs/crates/shared-contracts/src/game_distribution.rs';
+const TS_FILE = 'packages/shared/src/contracts/gameDistribution.ts';
+
+// [Rust 类型名, TS 类型名]
+const PAIRS = [
+  [
+    'GameDistributionPublishMetadataSuggestionRequest',
+    'GameDistributionPublishMetadataSuggestionRequest',
+  ],
+  [
+    'GameDistributionPublishMetadataSuggestion',
+    'GameDistributionPublishMetadataSuggestion',
+  ],
+  ['GameDistributionVersionStatus', 'GameDistributionVersionStatus'],
+  ['GameDistributionVisibility', 'GameDistributionGameVisibility'],
+  ['GameDistributionInputMode', 'GameDistributionInputMode'],
+  ['GameDistributionOrientation', 'GameDistributionOrientation'],
+  ['GameDistributionDeviceSupport', 'GameDistributionDeviceSupport'],
+  ['GameDistributionAuthor', 'GameDistributionAuthor'],
+  ['GameDistributionVersionSummary', 'GameDistributionVersionSummary'],
+  ['GameDistributionGameSummary', 'GameDistributionGame'],
+  ['GameDistributionListResponse', 'GameDistributionListResponse'],
+  ['GameDistributionCreateGameRequest', 'GameDistributionCreateGameRequest'],
+  [
+    'GameDistributionCreateVersionRequest',
+    'GameDistributionCreateVersionRequest',
+  ],
+  ['GameDistributionPrivateVersion', 'GameDistributionPrivateVersion'],
+];
+
+// 服务端逐字段手拼 JSON 的响应/请求（`public_game_payload` / `game_payload` 等），TS 里这些类型
+// 没有 Rust 结构体可对：要收口得先把响应改成结构化类型，不能靠本脚本检查。
+const TS_ONLY_TYPES = [
+  'GameDistributionCategory',
+  'GameDistributionRecoveryAction',
+  'GameDistributionFrozenScreenshot',
+  'GameDistributionVersionFrozenMetadata',
+  'GameDistributionVersionDetail',
+  'GameDistributionCancelVersionRequest',
+  'GameDistributionCancelVersionResponse',
+];
+
+// 已知的响应侧附加字段：Rust 结构体描述请求侧视图，TS 类型描述响应视图。
+// 只允许「TS 多出」这些字段；Rust 多出字段一律报错（TS 必须跟上）。
+const TS_ONLY_FIELDS = {
+  GameDistributionGame: [
+    'coverObjectKey',
+    'screenshots',
+    'publicationRevision',
+  ],
+  GameDistributionPrivateVersion: ['publicationRevision'],
+};
+
+function camelCase(value) {
+  return value.replace(/_([a-z0-9])/g, (_, char) => char.toUpperCase());
+}
+
+function snakeCase(value) {
+  return value.replace(/([a-z0-9])([A-Z])/g, '$1_$2').toLowerCase();
+}
+
+// Rust 结构体字段本身就是 snake_case，枚举变体是 PascalCase；
+// serde 的 rename_all 决定线上名字。
+function renamedMember(value, kind, rename) {
+  if (kind === 'enum') {
+    if (rename === 'snake_case') return snakeCase(value);
+    if (rename === 'camelCase') return camelCase(snakeCase(value));
+    return value;
+  }
+  return rename === 'camelCase' ? camelCase(value) : value;
+}
+
+function rustDefinitions(source) {
+  const result = new Map();
+  const pattern =
+    /\n(?<attrs>(?:#\[[^\n]*\]\n)*)pub (?<kind>struct|enum) (?<name>GameDistribution\w+)(?<body>[\s\S]*?)\n\}/g;
+  let match;
+  while ((match = pattern.exec(source))) {
+    const { attrs, kind, name, body } = match.groups;
+    const rename = /rename_all = "(?<style>\w+)"/.exec(attrs)?.groups?.style;
+    const members =
+      kind === 'struct'
+        ? [...body.matchAll(/^\s*pub (\w+):/gm)].map((item) =>
+            renamedMember(item[1], kind, rename),
+          )
+        : [...body.matchAll(/^\s{4}([A-Z]\w*)(?:\(|,|\s*\{)/gm)].map((item) =>
+            renamedMember(item[1], kind, rename),
+          );
+    result.set(name, { kind, members });
+  }
+  return result;
+}
+
+function tsDefinitions(source) {
+  const result = new Map();
+  const objectPattern =
+    /export type (GameDistribution\w+) = \{([\s\S]*?)\n\};/g;
+  let match;
+  while ((match = objectPattern.exec(source))) {
+    result.set(match[1], {
+      kind: 'struct',
+      members: [...match[2].matchAll(/^ {2}(\w+)\??:/gm)].map(
+        (item) => item[1],
+      ),
+    });
+  }
+  const unionPattern = /export type (GameDistribution\w+) =\s*([^;]+);/g;
+  while ((match = unionPattern.exec(source))) {
+    if (result.has(match[1])) continue;
+    result.set(match[1], {
+      kind: 'enum',
+      members: [...match[2].matchAll(/'([^']+)'/g)].map((item) => item[1]),
+    });
+  }
+  return result;
+}
+
+function difference(left, right) {
+  const rightSet = new Set(right);
+  return left.filter((value) => !rightSet.has(value));
+}
+
+const rust = rustDefinitions(fs.readFileSync(RUST_FILE, 'utf8'));
+const ts = tsDefinitions(fs.readFileSync(TS_FILE, 'utf8'));
+const failures = [];
+const mappedRust = new Set(PAIRS.map(([rustName]) => rustName));
+const mappedTs = new Set(PAIRS.map(([, tsName]) => tsName));
+
+for (const [rustName, tsName] of PAIRS) {
+  const rustDefinition = rust.get(rustName);
+  const tsDefinition = ts.get(tsName);
+  if (!rustDefinition) {
+    failures.push(`映射表里的 Rust 类型不存在：${rustName}`);
+    continue;
+  }
+  if (!tsDefinition) {
+    failures.push(`映射表里的 TS 类型不存在：${tsName}`);
+    continue;
+  }
+  if (rustDefinition.kind !== tsDefinition.kind) {
+    failures.push(
+      `${rustName} 与 ${tsName} 形状不一致（Rust=${rustDefinition.kind} TS=${tsDefinition.kind}）`,
+    );
+  }
+  const missingInTs = difference(rustDefinition.members, tsDefinition.members);
+  if (missingInTs.length > 0) {
+    failures.push(
+      `${tsName} 缺少字段/变体：${missingInTs.join(', ')}（${rustName} 已有）`,
+    );
+  }
+  const allowlist = new Set(TS_ONLY_FIELDS[tsName] ?? []);
+  const extraInTs = difference(
+    tsDefinition.members,
+    rustDefinition.members,
+  ).filter((value) => !allowlist.has(value));
+  if (extraInTs.length > 0) {
+    failures.push(
+      `${tsName} 多出未登记字段/变体：${extraInTs.join(', ')}（要么补进 TS_ONLY_FIELDS 并写明原因，要么在 Rust 侧补上）`,
+    );
+  }
+}
+
+for (const name of rust.keys()) {
+  if (!mappedRust.has(name)) {
+    failures.push(`Rust 新增 DTO ${name} 没有登记进映射表（TS 侧必须同步）`);
+  }
+}
+for (const name of ts.keys()) {
+  if (!mappedTs.has(name) && !TS_ONLY_TYPES.includes(name)) {
+    failures.push(
+      `TS 新增类型 ${name} 未分类（映射表或 TS_ONLY_TYPES 二者必居其一）`,
+    );
+  }
+}
+
+if (failures.length > 0) {
+  console.error('[check:game-distribution-dto-parity] 不一致：');
+  for (const failure of failures) console.error(`  - ${failure}`);
+  process.exit(1);
+}
+console.log(
+  `[check:game-distribution-dto-parity] OK：${PAIRS.length} 组 Rust/TS 类型一致，${TS_ONLY_TYPES.length} 个手拼响应类型已登记`,
+);