修复 AGC 开发态监听 Rust 构建目录导致的加载缓慢

在 Vite 中排除 src-tauri/target，保留业务源码与共享组件热更新。
增加实际 Vite watcher 回归，验证构建目录排除及源码变更通知。
同步开发运维文档和共享排障记录，关联 Issue #324。

.gitea/workflows/project-ci.yml

@@ -7,10 +7,6 @@ on:
   pull_request:
   workflow_dispatch:
 
-concurrency:
-  group: project-ci-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
 permissions:
   contents: read
 

apps/admin-web/src/pages/AdminEditorAssetQueryPage.test.tsx

@@ -38,7 +38,6 @@ vi.mock('../api/adminApiClient', () => ({
 
 interface MockIntersectionObserverController {
   enter: (target: Element) => void;
-  enterAll: (targets: Element[]) => void;
   isObserved: (target: Element) => boolean;
 }
 
@@ -107,25 +106,6 @@ function installIntersectionObserverMock(): MockIntersectionObserverController {
         );
       });
     },
-    enterAll(targets) {
-      act(() => {
-        for (const target of targets) {
-          const record = observed.get(target);
-          if (!record) {
-            throw new Error('目标缩略图尚未进入 IntersectionObserver');
-          }
-          record.callback(
-            [
-              {
-                isIntersecting: true,
-                target,
-              } as IntersectionObserverEntry,
-            ],
-            record.observer,
-          );
-        }
-      });
-    },
     isObserved(target) {
       return observed.has(target);
     },
@@ -773,10 +753,10 @@ test('后台素材查询为大量同时可见的缩略图持续错峰换签', as
   const thumbnails = entries.map((entry) =>
     thumbnailElementForLabel(entry.label),
   );
-  for (const thumbnail of thumbnails) {
+  thumbnails.forEach((thumbnail) => {
     expect(observer.isObserved(thumbnail)).toBe(true);
-  }
-  observer.enterAll(thumbnails);
+    observer.enter(thumbnail);
+  });
   await act(async () => {
     await Promise.resolve();
   });
@@ -796,7 +776,7 @@ test('后台素材查询为大量同时可见的缩略图持续错峰换签', as
     await vi.advanceTimersByTimeAsync(200);
   });
   expect(getAdminAssetReadUrl).toHaveBeenCalledTimes(105);
-}, 10_000);
+});
 
 test('后台素材查询读取更多后为新进入可视区域的素材换签', async () => {
   const observer = installIntersectionObserverMock();

apps/ai-game-creator-shell/game-creator.config.json

@@ -2,8 +2,6 @@
   "schemaVersion": "game-creator-config.v2",
   "agentMode": "codex_app_server",
   "llm": {
-    "customEnabled": false,
-    "visibleModels": [],
     "apiKey": "",
     "baseUrl": "https://dev.genarrative.world/gpt/v1",
     "model": "gpt-6-astra",

apps/ai-game-creator-shell/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@genarrative/ai-game-creator-shell",
   "private": true,
-  "version": "0.1.47",
+  "version": "0.1.29",
   "type": "module",
   "scripts": {
     "dev": "node scripts/start-tauri-dev.mjs",

apps/ai-game-creator-shell/scripts/vite-watch.test.mjs

@@ -0,0 +1,113 @@
+import assert from 'node:assert/strict';
+import { mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises';
+import { tmpdir } from 'node:os';
+import { dirname, join } from 'node:path';
+import { test } from 'node:test';
+import { setTimeout as delay } from 'node:timers/promises';
+import { fileURLToPath } from 'node:url';
+
+import { createServer, loadConfigFromFile, normalizePath } from 'vite';
+
+test(
+  'AGC 排除 Rust 构建目录且保留源码与共享组件监听',
+  { timeout: 30_000 },
+  async () => {
+    const loaded = await loadConfigFromFile(
+      { command: 'serve', mode: 'development' },
+      fileURLToPath(new URL('../vite.config.ts', import.meta.url)),
+    );
+    assert.ok(loaded);
+    assert.notEqual(loaded.config.server?.watch, null);
+    assert.notEqual(loaded.config.server?.hmr, false);
+    assert.ok(
+      [loaded.config.server?.watch?.ignored]
+        .flat()
+        .includes('**/src-tauri/target/**'),
+    );
+
+    const fixture = await mkdtemp(join(tmpdir(), 'agc-vite-watch-'));
+    const root = join(fixture, 'apps', 'ai-game-creator-shell');
+    const source = join(root, 'src', 'main.js');
+    const css = join(root, 'src', 'styles.css');
+    const shared = join(fixture, 'packages', 'shared', 'src', 'component.js');
+    const target = join(root, 'src-tauri', 'target');
+    const artifact = join(target, 'debug', 'incremental', 'cache.bin');
+    let server;
+    try {
+      for (const file of [source, css, shared, artifact]) {
+        await mkdir(dirname(file), { recursive: true });
+        await writeFile(
+          file,
+          file === css ? 'body { color: red; }' : 'export default 1;',
+        );
+      }
+      // 使用真实 Vite watcher 和实际配置，仅将扫描根替换为小型夹具；
+      // 不加载业务插件、后端或原生窗口，也不扫描开发机上的大型 target。
+      server = await createServer({
+        configFile: false,
+        envFile: false,
+        root,
+        logLevel: 'silent',
+        server: {
+          watch: loaded.config.server?.watch,
+          middlewareMode: true,
+          hmr: false,
+          fs: { allow: [fixture] },
+        },
+        optimizeDeps: { noDiscovery: true, include: [] },
+      });
+      const waitForWatchedFile = async (file) => {
+        const normalized = normalizePath(file);
+        for (let attempt = 0; attempt < 100; attempt += 1) {
+          if (
+            Object.entries(server.watcher.getWatched()).some(
+              ([directory, names]) =>
+                names.some(
+                  (name) => normalizePath(join(directory, name)) === normalized,
+                ),
+            )
+          )
+            return;
+          await delay(50);
+        }
+        assert.fail(`源码必须仍被监听：${normalized}`);
+      };
+      await waitForWatchedFile(source);
+
+      // 真实模块转换应将 root 外的共享源码加入监听。
+      await server.transformRequest(`/@fs/${normalizePath(shared)}`);
+      for (const file of [source, css, shared]) {
+        const normalized = normalizePath(file);
+        await waitForWatchedFile(file);
+        const changed = new Promise((resolve, reject) => {
+          const timer = setTimeout(() => {
+            server.watcher.off('change', onChange);
+            reject(new Error(`未收到源码变更：${normalized}`));
+          }, 5_000);
+          function onChange(path) {
+            if (normalizePath(path) !== normalized) return;
+            clearTimeout(timer);
+            server.watcher.off('change', onChange);
+            resolve();
+          }
+          server.watcher.on('change', onChange);
+        });
+        await writeFile(
+          file,
+          file === css ? 'body { color: blue; }' : 'export default 2;',
+        );
+        await changed;
+      }
+      const targetPath = normalizePath(target);
+      const targetDirectories = Object.keys(server.watcher.getWatched())
+        .map(normalizePath)
+        .filter(
+          (path) => path === targetPath || path.startsWith(`${targetPath}/`),
+        );
+      assert.deepEqual(targetDirectories, [], 'Rust target 不应创建目录监听器');
+    } finally {
+      await server?.close();
+      await rm(fixture, { recursive: true, force: true });
+    }
+  },
+);

apps/ai-game-creator-shell/src-tauri/Cargo.lock

@@ -1725,7 +1725,7 @@ dependencies = [
 
 [[package]]
 name = "genarrative-ai-game-creator-shell"
-version = "0.1.47"
+version = "0.1.29"
 dependencies = [
  "agent-runtime-core",
  "axum",

apps/ai-game-creator-shell/src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "genarrative-ai-game-creator-shell"
-version = "0.1.47"
+version = "0.1.29"
 edition = "2021"
 publish = false
 

apps/ai-game-creator-shell/src-tauri/design-agent/tools.json

@@ -2,7 +2,7 @@
   {"type":"function","function":{"name":"get_workflow_status","description":"读取当前策划工作流状态，只返回阶段列表、当前阶段、已批准阶段和待审批阶段；不推进阶段、不提交审批、不修改文件。","parameters":{"type":"object","properties":{},"additionalProperties":false}}},
   {"type":"function","function":{"name":"list_resources","description":"列出固定资源的逻辑目录、资源 ID、标题和简介。资源是只读的随包文档；不要猜测物理路径。","parameters":{"type":"object","properties":{},"additionalProperties":false}}},
   {"type":"function","function":{"name":"read_resource","description":"读取一份固定资源文档全文。每次读取一个 resource_id；资源只读。读到未实现占位文档时由你自行判断和处理。","parameters":{"type":"object","properties":{"resource_id":{"type":"string"}},"required":["resource_id"],"additionalProperties":false}}},
-  {"type":"function","function":{"name":"patch_file","description":"局部修改 UTF-8 文件。使用 old_text/new_text，或使用 edits 一次进行多个独立替换；每个 old_text 必须非空且在原文件中唯一。所有 edit 会一次性校验；任何失败都不修改文件，错误会列出各失败项及可唯一匹配的其余项。path 使用相对路径。","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_text":{"type":"string"},"new_text":{"type":"string"},"edits":{"type":"array","items":{"type":"object","properties":{"old_text":{"type":"string"},"new_text":{"type":"string"}},"required":["old_text","new_text"],"additionalProperties":false}}},"required":["path"],"additionalProperties":false}}},
+  {"type":"function","function":{"name":"patch_file","description":"局部修改 UTF-8 文件。使用 old_text/new_text，或使用 edits 一次进行多个独立替换；每个 old_text 必须非空且在原文件中唯一，匹配失败、重复或范围重叠时不修改文件。path 使用相对路径。","parameters":{"type":"object","properties":{"path":{"type":"string"},"old_text":{"type":"string"},"new_text":{"type":"string"},"edits":{"type":"array","items":{"type":"object","properties":{"old_text":{"type":"string"},"new_text":{"type":"string"}},"required":["old_text","new_text"],"additionalProperties":false}}},"required":["path"],"additionalProperties":false}}},
   {"type":"function","function":{"name":"delete_path","description":"谨慎使用；永久删除工作区内的文件或目录；目录会连同全部内容递归删除，不备份。先确认目标及删除范围。path 使用相对路径，不能删除工作区根目录，也不能经过链接。","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"],"additionalProperties":false}}},
   {"type":"function","function":{"name":"list_dir","description":"列出工作目录内的文件和目录。path 使用相对路径。","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"],"additionalProperties":false}}},
   {"type":"function","function":{"name":"read_file","description":"读取工作目录内的 UTF-8 文本文件。path 使用相对路径。","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"],"additionalProperties":false}}},

apps/ai-game-creator-shell/src-tauri/resources/agc-skills/agc-client-projection/SKILL.md

@@ -14,7 +14,7 @@ Let the client derive projections from real disk changes and trusted tool result
 3. Keep read scopes separate: `asset.list` is the current project manifest, `asset.library.list` is the signed-in account library, and the web project's canvas resource read model is the authoritative canvas list. The account library is not the complete canvas list.
 4. Use `canvas.asset_import` for safe account/canvas asset IDs or project-relative local paths. The client rechecks ownership and validates bytes; host absolute paths require native UI file-picker authorization.
 5. When the user explicitly asks to create or derive video, character animation, sound effect, or background music, call `agc_create_or_derive_resource`. Use `create` only for video/audio without a source and `derive` with a registered `sourceLocalAssetId`; character animation is always derived from an image.
-6. When the user explicitly asks to remove an image background, call `agc_remove_background` with a registered image `sourceLocalAssetId` and `assetName`. Optional `backgroundMode` is `complex` (semantic foreground segmentation; default) or `flat` (solid-colour background removal). Prefer `flat` when the background is known to be solid. Only `flat` accepts optional `screenColor`: `auto`, `#RRGGBB`, or omitted for automatic detection by the service. Do not select a colour on behalf of `auto`. The client requires the signed-in account, owns canvas/folder context and task identity, and returns only bounded queue state.
+6. When the user explicitly asks to remove an image background, call `agc_remove_background` with a registered image `sourceLocalAssetId` and an output name. The client requires the signed-in account, owns canvas/folder context and task identity, and returns only bounded queue state.
 7. Preserve existing relative paths when a small edit is sufficient so client resource identities remain stable.
 8. Do not edit `.agent/manifest.json`, revision counters, version records, resource IDs, canvas identities, source provenance, generation ledgers, or browser receipts by hand.
 9. Do not create a version when no game file changed. The client compares content fingerprints and advances revision only after an actual source change.

apps/ai-game-creator-shell/src-tauri/resources/agc-skills/agc-client-projection/references/projection-contract.md

@@ -14,4 +14,4 @@ Read scopes remain separate: `asset.list` is the current project's local manifes
 
 `agc_create_or_derive_resource` accepts only semantic intent. The client resolves `sourceLocalAssetId`, creates stable request identities, recovers matching pending operations, serializes paid submissions, writes supported media into the current canvas and same-name asset folder, validates downloaded bytes, commits the local manifest transaction, and returns redacted warnings. A tool error or timeout is not permission to generate again with a new identity.
 
-`agc_remove_background` accepts a registered image `sourceLocalAssetId`, `assetName`, and optional `backgroundMode` and `screenColor`. `complex` uses semantic segmentation to identify the foreground; `flat` removes a solid-colour background. Prefer `flat` when the background is known to be solid; omitting the mode selects `complex`. Only `flat` accepts a colour: `auto`, `#RRGGBB`, or omitted for automatic service detection. Never infer a concrete colour for `auto`. Empty or invalid values and colour without `flat` are rejected. The client resolves the formal source resource, canvas/folder context, stable operation identity, idempotency key, and authenticated External v1 `/api/external/v1/editor/images/background-removals` call. Mode and colour are part of request identity. Its result is bounded queue state; Codex must not poll internal workers, construct source URLs, or retry with a new identity after an uncertain response.
+`agc_remove_background` is the semantic image post-processing path. It accepts only a registered image `sourceLocalAssetId` and output name; the client resolves the formal source resource, canvas/folder context, stable operation identity, idempotency key, and authenticated External v1 `/api/external/v1/editor/images/background-removals` call. Its result is bounded queue state; Codex must not poll internal workers, construct source URLs, or retry with a new identity after an uncertain response.

apps/ai-game-creator-shell/src-tauri/resources/agc-skills/manifest.json

@@ -1,6 +1,6 @@
 {
   "schemaVersion": "agc-skill-pack.v1",
-  "version": "2026-08-26.17",
+  "version": "2026-08-26.16",
   "skills": [
     {
       "name": "agc-game-production-workflow",
@@ -123,7 +123,7 @@
         "agents/openai.yaml",
         "references/projection-contract.md"
       ],
-      "sha256": "a929c27bc5b2b0bee0b7935e5c7b04ddbab1eb1804fe196f8c2537ad040ca5b1"
+      "sha256": "96b5bf9e2ed150bbe934a888867c1bb500b214a131f8b36c4830f51ca30267b6"
     }
   ]
 }

apps/ai-game-creator-shell/src-tauri/src/agent/codex_app_server/mod.rs

@@ -131,6 +131,7 @@ impl CodexAppServerCredential {
     ) -> Option<(&'a str, &'a str)> {
         match self {
             Self::PlatformSession { .. } => None,
+            #[cfg(test)]
             Self::AppDataKey { .. } => (!llm.api_key.trim().is_empty())
                 .then_some((llm.base_url.trim_end_matches('/'), llm.api_key.trim())),
             #[cfg(test)]
@@ -138,7 +139,7 @@ impl CodexAppServerCredential {
                 .as_deref()
                 .map(|api_key| (GAME_CREATOR_CODEX_AUTH_BRIDGE_API_BASE_URL, api_key)),
             #[cfg(not(test))]
-            Self::AuthBridge { .. } => None,
+            Self::AppDataKey { .. } | Self::AuthBridge { .. } => None,
         }
     }
 }
@@ -195,20 +196,6 @@ impl CodexAppServerStderrSummary {
     }
 }
 
-/// 派发 app-server 的收尾与中断任务。
-///
-/// 这个入口会被**没有 tokio runtime 上下文的线程**调用：`cancel_direct_codex_turn`
-/// 是同步 Tauri 命令，直接跑在 IPC 回调线程（Windows 上是 WebView2 的 UI 线程）；
-/// [`CodexThreadLease`] 与 [`CodexTurnGuard`] 的 `Drop` 也在调用方线程上执行。
-/// `tokio::spawn` 在那样的线程上会经 `Handle::current()` panic（"there is no reactor
-/// running"），而 panic 跨不过 Tauri 的 IPC 回调边界，整个进程会以 `0xC0000409`
-/// （FAST_FAIL_FATAL_APP_EXIT）abort——现场就是"点终止，App 闪退"（2026-09-16 的 WER
-/// 记录：`genarrative-ai-game-creator-shell.exe`，异常代码 `0xc0000409`，fail-fast
-/// 参数 `7`）。一律走 Tauri 的全局异步 runtime：`main` 已把深栈 runtime 装进去。
-fn spawn_codex_app_server_task(task: impl std::future::Future<Output = ()> + Send + 'static) {
-    tauri::async_runtime::spawn(task);
-}
-
 struct CodexTurnStartCancellation {
     inner: Weak<CodexAppServerInner>,
     thread_id: String,
@@ -270,7 +257,7 @@ impl CodexTurnStartCancellation {
         };
         let connection = CodexAppServerConnection { inner };
         let thread_id = self.thread_id.clone();
-        spawn_codex_app_server_task(async move {
+        tokio::spawn(async move {
             let _ = connection
                 .request(
                     "turn/interrupt",
@@ -2031,13 +2018,7 @@ impl CodexAppServerConnection {
         let codex_cli_version = game_creator_codex_cli_version_identity()
             .map_err(platform_llm::LlmError::InvalidConfig)?;
         let mut effective_llm = llm.clone();
-        let credential = if llm.custom_enabled {
-            crate::config::validate_custom_llm_connection(llm)
-                .map_err(platform_llm::LlmError::InvalidConfig)?;
-            CodexAppServerCredential::AppDataKey {
-                fingerprint: format!("custom-key:{:x}", Sha256::digest(llm.api_key.as_bytes())),
-            }
-        } else if game_creator_official_llm_route_locked() {
+        let credential = if game_creator_official_llm_route_locked() {
             let session = current_platform_session().ok_or_else(|| {
                 platform_llm::LlmError::InvalidConfig(
                     "authentication-required: 请先登录陶泥儿账号".to_string(),
@@ -2205,8 +2186,7 @@ impl CodexAppServerConnection {
                 true,
             ),
             _ => (
-                (llm.custom_enabled
-                    || workspace_mode == CodexAppServerWorkspaceMode::DirectProject)
+                (workspace_mode == CodexAppServerWorkspaceMode::DirectProject)
                     .then(|| credential.direct_provider_route(llm))
                     .flatten()
                     .map(|(base_url, api_key)| (base_url.to_string(), api_key.to_string())),
@@ -3580,7 +3560,7 @@ impl Drop for CodexThreadLease {
         let connection = self.connection.clone();
         let key = self.key.clone();
         let thread_id = self.thread_id.clone();
-        spawn_codex_app_server_task(async move {
+        tokio::spawn(async move {
             let mut threads = connection.inner.threads.lock().await;
             if let Some(entry) = threads.get_mut(&key) {
                 if entry.thread_id == thread_id {
@@ -3607,7 +3587,7 @@ impl Drop for CodexTurnGuard {
         let connection = self.connection.clone();
         let thread_id = self.thread_id.clone();
         let turn_id = self.turn_id.clone();
-        spawn_codex_app_server_task(async move {
+        tokio::spawn(async move {
             connection.inner.turns.lock().await.remove(&turn_id);
             connection.inner.turn_backlog.lock().await.remove(&turn_id);
             let _ = connection
@@ -4503,19 +4483,6 @@ mod tests {
         assert!(table.select(&key, None).is_err());
     }
 
-    /// 终止路径会从同步命令线程和 `Drop` 里派发 app-server 任务：那些线程没有 tokio
-    /// runtime 上下文。`tokio::spawn` 在那里 panic，panic 跨不过 IPC 回调边界就把整个
-    /// 进程 abort（0xC0000409，"点终止就闪退"）。这条用例把派发入口钉在没有 runtime
-    /// 上下文的线程上，回退到 `tokio::spawn` 时它会失败。
-    #[test]
-    fn codex_app_server_task_dispatch_needs_no_tokio_runtime_context() {
-        let joined = std::thread::spawn(|| spawn_codex_app_server_task(async {}));
-        assert!(
-            joined.join().is_ok(),
-            "没有 tokio runtime 上下文的线程也必须能派发 app-server 收尾任务"
-        );
-    }
-
     /// 注册键：前端传的项目路径与回合注册时的路径必须归一化成同一个键（Windows 上
     /// `canonicalize` 会带 `\\?\` 前缀，去掉后两边才相等）。
     #[test]
@@ -4776,8 +4743,6 @@ mod tests {
 
     fn test_llm() -> GameCreatorLlmConfig {
         GameCreatorLlmConfig {
-            custom_enabled: false,
-            visible_models: Vec::new(),
             api_key: "fixture-secret".to_string(),
             base_url: "https://example.invalid/v1".to_string(),
             model: "fixture-model".to_string(),
@@ -5563,59 +5528,6 @@ mod tests {
         assert_ne!(command_token, provider_key);
     }
 
-    #[tokio::test]
-    async fn custom_llm_broker_uses_configured_route_without_exposing_upstream_key() {
-        let mut llm = test_llm();
-        llm.custom_enabled = true;
-        llm.api_key = "custom-upstream-fixture-secret".into();
-        llm.base_url = "http://127.0.0.1:9/v1".into();
-        llm.model = "vendor/model.v1:latest".into();
-        llm.visible_models = vec![llm.model.clone()];
-        let credential = CodexAppServerCredential::AppDataKey {
-            fingerprint: "custom-fixture".into(),
-        };
-        let (base, key) = credential
-            .direct_provider_route(&llm)
-            .expect("custom route");
-        assert_eq!(base, llm.base_url);
-        assert_eq!(key, llm.api_key);
-        let proxy = start_codex_provider_proxy(base, key, false).await.unwrap();
-        for mode in [
-            CodexAppServerWorkspaceMode::DirectProject,
-            CodexAppServerWorkspaceMode::ToolHost,
-        ] {
-            let mut command = tokio::process::Command::new("fixture");
-            configure_game_creator_codex_app_server_command_for_mode(
-                &mut command,
-                &llm,
-                mode,
-                Some(&proxy),
-                None,
-                true,
-            )
-            .unwrap();
-            let arguments = command
-                .as_std()
-                .get_args()
-                .map(|arg| arg.to_string_lossy())
-                .collect::<Vec<_>>()
-                .join("\n");
-            let params = codex_app_server_thread_start_params(
-                &llm.model,
-                std::path::Path::new("fixture-workspace"),
-                mode,
-                String::new(),
-                true,
-            );
-            assert_eq!(params["model"], "vendor/model.v1:latest");
-            assert!(!arguments.contains(&llm.api_key));
-            assert!(!arguments.contains("/api/llm"));
-            for (_, value) in command.as_std().get_envs() {
-                assert!(!value.is_some_and(|value| value.to_string_lossy().contains(&llm.api_key)));
-            }
-        }
-    }
-
     #[cfg(unix)]
     #[tokio::test]
     async fn direct_project_spawn_restores_broker_token_after_environment_isolation() {

apps/ai-game-creator-shell/src-tauri/src/agent/design_runtime.rs

@@ -527,6 +527,10 @@ fn process_design_batch(
         let result = if uncertain {
             Err("进程在工具执行期间中断，执行结果未保存。未重复执行；请读取实际工作区确认结果后再决定下一步。".to_string())
         } else {
+            let _write = acquire_game_creator_agent_runtime_project_write_lock_with_wait(
+                root,
+                "design.tool",
+            )?;
             execute_design_tool(root, resources, session, &call)
         };
         let error = result
@@ -1022,15 +1026,6 @@ pub(crate) async fn continue_design_agent_at(
     finish_design_command(root, resources, session, active, run, emit).await
 }
 
-async fn recover_uncertain_design_batch(
-    root: &Path,
-    resources: &DesignResources,
-    session: DesignSession,
-    active: File,
-) -> Result<DesignView, String> {
-    finish_design_command(root, resources, session, active, true, |_| {}).await
-}
-
 pub(crate) async fn decide_design_phase_at(
     root: &Path,
     resources: &DesignResources,
@@ -1063,8 +1058,7 @@ fn ensure_design_runtime_active(root: &Path) -> Result<(), String> {
 }
 
 #[tauri::command]
-pub(crate) async fn hydrate_design_agent_session(
-    app: tauri::AppHandle,
+pub(crate) fn hydrate_design_agent_session(
     project_path: String,
 ) -> Result<Option<DesignView>, String> {
     let root = Path::new(project_path.trim());
@@ -1090,33 +1084,8 @@ pub(crate) async fn hydrate_design_agent_session(
     if session.project_id != project_id {
         return Err("策划会话与当前项目不匹配".into());
     }
-    let Some(active) =
-        try_open_game_creator_agent_runtime_task_lock_file(root, DESIGN_ACTIVE_LOCK)?
-    else {
-        return Ok(Some(design_view(&session, true)));
-    };
-    if design_session_has_uncertain_batch(&session) {
-        let resources = DesignResources::new(resolve_design_resources_root(&app)?)?;
-        let view = recover_uncertain_design_batch(root, &resources, session, active).await?;
-        return Ok(Some(view));
-    }
-    drop(active);
-    Ok(Some(design_view(&session, false)))
-}
-
-fn design_session_has_uncertain_batch(session: &DesignSession) -> bool {
-    let Some(batch) = session.pending_batch.as_ref() else {
-        return false;
-    };
-    if !batch.executing || batch.cursor >= batch.calls.len() {
-        return false;
-    }
-    let call_id = batch.calls[batch.cursor].id.as_str();
-    session.turn.as_ref().is_some_and(|turn| turn.pending)
-        && !session.history.iter().any(|item| {
-            item.get("type").and_then(Value::as_str) == Some("function_call_output")
-                && item.get("call_id").and_then(Value::as_str) == Some(call_id)
-        })
+    let active = try_open_game_creator_agent_runtime_task_lock_file(root, DESIGN_ACTIVE_LOCK)?;
+    Ok(Some(design_view(&session, active.is_none())))
 }
 
 fn design_session_error_is_recoverable(error: &str) -> bool {
@@ -1989,94 +1958,4 @@ mod tests {
             .any(|message| message.text.contains("重试后继续")));
         assert!(next.session.last_error.is_none());
     }
-
-    #[tokio::test(flavor = "current_thread")]
-    async fn uncertain_batch_hydrate_continues_the_original_turn_without_replaying_file_tools() {
-        let (_temp, root, resources) = init_design_project();
-        execute_design_file_tool(
-            &root,
-            "write_file",
-            &json!({"path":"project/00_concept/design.md","content":"概念"}),
-        )
-        .expect("write concept");
-        let mut session = new_design_session("design-fake", "quality");
-        let call = platform_llm::LlmToolCall {
-            id: "interrupted-call".into(),
-            name: "patch_file".into(),
-            arguments: json!({
-                "path":"project/00_concept/design.md",
-                "old_text":"概念",
-                "new_text":"概念设计"
-            })
-            .to_string(),
-        };
-        session.history.push(json!({
-            "type":"function_call",
-            "call_id":call.id,
-            "name":call.name,
-            "arguments":call.arguments,
-        }));
-        session.messages = vec![DesignMessage {
-            id: "turn:user".into(),
-            role: "user".into(),
-            text: "继续".into(),
-        }];
-        session.turn = Some(DesignTurn {
-            id: "turn-recovery".into(),
-            pending: true,
-            request_index: 0,
-            attempt: 0,
-        });
-        session.pending_batch = Some(DesignToolBatch {
-            calls: vec![call],
-            cursor: 0,
-            executing: true,
-        });
-        assert!(design_session_has_uncertain_batch(&session));
-        write_design_session(&root, &session).expect("write interrupted session");
-
-        let _fake = fake_provider::install(
-            vec![Ok(fake_response(
-                "recovered-after-uncertain-tool",
-                "已读取文件并确认。",
-                Vec::new(),
-            ))],
-            0,
-        );
-        let view = recover_uncertain_design_batch(&root, &resources, session, {
-            try_open_game_creator_agent_runtime_task_lock_file(
-                &root,
-                ".agent/design-agent/active.lock",
-            )
-            .expect("open active lock")
-            .expect("active lock is free")
-        })
-        .await
-        .expect("recover uncertain batch");
-
-        assert!(!view.running);
-        assert!(view.session.last_error.is_none());
-        let restored = read_design_session(&root)
-            .expect("read restored")
-            .expect("session");
-        assert!(restored.pending_batch.is_none());
-        assert!(!restored.turn.expect("turn").pending);
-        assert!(restored.history.iter().any(|item| {
-            item.get("type").and_then(Value::as_str) == Some("function_call_output")
-                && item.get("call_id").and_then(Value::as_str) == Some("interrupted-call")
-                && item
-                    .get("output")
-                    .and_then(Value::as_str)
-                    .is_some_and(|output| output.contains("执行结果未保存"))
-        }));
-        assert!(restored.history.iter().any(|item| {
-            item.get("role").and_then(Value::as_str) == Some("assistant")
-                && item.get("content").is_some()
-        }));
-        assert!(
-            fs::read_to_string(root.join("design_artifacts/project/00_concept/design.md"))
-                .expect("read target")
-                == "概念"
-        );
-    }
 }

apps/ai-game-creator-shell/src-tauri/src/agent/design_tools.rs

@@ -321,31 +321,15 @@ pub(crate) fn execute_design_file_tool(
                 })
                 .collect::<Vec<_>>();
             let mut matches = Vec::new();
-            let mut edit_errors = Vec::new();
-            let mut valid_edits = 0;
             for (index, (old, new)) in normalized.iter().enumerate() {
-                if old == new {
-                    edit_errors.push(format!(
-                        "edits[{index}] new_text 与 old_text 相同，不会产生修改"
-                    ));
-                    continue;
-                }
                 let count = content.matches(old).count();
                 if count == 0 {
-                    edit_errors.push(format!(
-                        "edits[{index}] 原文未找到：{}{}",
-                        display,
-                        design_patch_location_hint(&content, old)
-                    ));
-                    continue;
+                    return Err(format!("edits[{index}] 原文未找到：{display}"));
                 }
                 if count != 1 {
-                    let start = content.find(old).expect("count checked");
-                    let line = design_patch_line_number(&content, start);
-                    edit_errors.push(format!(
-                        "edits[{index}] 原文匹配 {count} 处，必须唯一；首次位于第 {line} 行"
+                    return Err(format!(
+                        "edits[{index}] 原文匹配 {count} 处，必须唯一：{display}"
                     ));
-                    continue;
                 }
                 let start = content.find(old).expect("count checked");
                 let end = start + old.len();
@@ -353,33 +337,13 @@ pub(crate) fn execute_design_file_tool(
                     .iter()
                     .find(|(_, other_start, other_end)| start < *other_end && *other_start < end)
                 {
-                    edit_errors.push(format!(
-                        "edits[{index}] 与 edits[{other_index}] 修改范围重叠；请合并为一个 edit 或缩短 old_text"
+                    return Err(format!(
+                        "edits[{index}] 与 edits[{other_index}] 修改范围重叠：{display}"
                     ));
-                    continue;
                 }
                 matches.push((index, start, end));
-                valid_edits += 1;
                 let _ = new;
             }
-            if !edit_errors.is_empty() {
-                let shown = edit_errors.len().min(4);
-                let mut details = edit_errors[..shown].to_vec();
-                if shown < edit_errors.len() {
-                    details.push(format!(
-                        "另有 {} 个 edit 校验失败（详情省略）",
-                        edit_errors.len() - shown
-                    ));
-                }
-                if valid_edits > 0 {
-                    details.push(format!(
-                        "其余 {valid_edits} 个 edit 当前可唯一匹配；本次未写入文件"
-                    ));
-                } else {
-                    details.push("本次未写入文件".to_string());
-                }
-                return Err(details.join("\n"));
-            }
             let mut updated = content.clone();
             for (index, start, end) in matches.into_iter().rev() {
                 let (_, new) = &normalized[index];
@@ -432,60 +396,6 @@ pub(crate) fn execute_design_file_tool(
     }
 }
 
-fn design_patch_line_number(content: &str, start: usize) -> usize {
-    1 + content[..start]
-        .bytes()
-        .filter(|byte| *byte == b'\n')
-        .count()
-}
-
-fn design_patch_visible_line(line: &str) -> String {
-    line.replace('\t', "\\t").chars().take(180).collect()
-}
-
-fn design_patch_location_hint(content: &str, old: &str) -> String {
-    let Some(anchor) = old.lines().map(str::trim).find(|line| !line.is_empty()) else {
-        return String::new();
-    };
-
-    let mut candidates = content
-        .lines()
-        .enumerate()
-        .filter(|(_, line)| line.trim() == anchor)
-        .map(|(index, line)| (index + 1, line))
-        .collect::<Vec<_>>();
-    if candidates.is_empty() {
-        let token = anchor.split_whitespace().find(|token| token.len() >= 3);
-        if let Some(token) = token {
-            candidates = content
-                .lines()
-                .enumerate()
-                .filter(|(_, line)| line.trim().contains(token))
-                .map(|(index, line)| (index + 1, line))
-                .collect();
-        }
-    }
-    if candidates.is_empty() {
-        return format!(
-            "；未找到与 old_text 首个非空行相似的行（当前文件约 {} 行）",
-            content.lines().count()
-        );
-    }
-
-    let details = candidates
-        .iter()
-        .take(2)
-        .map(|(line, text)| format!("第 {line} 行：{}", design_patch_visible_line(text)))
-        .collect::<Vec<_>>()
-        .join("；");
-    let suffix = if candidates.len() > 2 {
-        format!("等 {} 处", candidates.len())
-    } else {
-        String::new()
-    };
-    format!("；old_text 首个非空行可能对应 {details}{suffix}（tab 显示为 \\t）")
-}
-
 pub(crate) fn list_design_workspace_files(
     root: &Path,
 ) -> Result<Vec<DesignWorkspaceEntry>, String> {
@@ -783,22 +693,6 @@ mod tests {
         )
         .expect_err("escape");
         assert!(escaped.contains("路径"));
-        let mismatch = execute_design_file_tool(
-            root,
-            "patch_file",
-            &json!({
-                "path":"notes/design.md",
-                "edits":[
-                    {"old_text":"  游戏设计","new_text":"游戏概念"},
-                    {"old_text":"设计","new_text":"方案"}
-                ]
-            }),
-        )
-        .expect_err("report all patch failures");
-        assert!(mismatch.contains("edits[0] 原文未找到"));
-        assert!(mismatch.contains("第 1 行：游戏设计"));
-        assert!(mismatch.contains("其余 1 个 edit 当前可唯一匹配"));
-        assert!(mismatch.contains("本次未写入文件"));
         let patched = execute_design_file_tool(
             root,
             "patch_file",

apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs

@@ -1887,7 +1887,7 @@ async fn bridge_create_or_derive_resource(
 
 async fn bridge_remove_background(state: &DirectToolBridgeState, arguments: &Value) -> Value {
     let result = async {
-        super::direct_tools_mcp::validate_remove_background_arguments(arguments)?;
+        bridge_reject_unknown_fields(arguments, &["sourceLocalAssetId", "assetName"])?;
         enforce_project_permission_policy(&state.root, "canvas.asset_generate")?;
         enforce_project_permission_policy(&state.root, "asset.register")?;
         let source_asset_id = bridge_bounded_string(arguments, "sourceLocalAssetId", 80)?;
@@ -1896,8 +1896,6 @@ async fn bridge_remove_background(state: &DirectToolBridgeState, arguments: &Val
             "assetName",
             DIRECT_TOOL_BRIDGE_MAX_RESOURCE_NAME_CHARS,
         )?;
-        let background_mode = arguments.get("backgroundMode").and_then(Value::as_str);
-        let screen_color = arguments.get("screenColor").and_then(Value::as_str);
         let manifest = read_existing_manifest_for_project(&state.root)?;
         let source_asset = manifest
             .assets
@@ -1922,34 +1920,22 @@ async fn bridge_remove_background(state: &DirectToolBridgeState, arguments: &Val
             .map_err(|_| "创建抠图服务连接失败".to_string())?;
         let context =
             prepare_external_canvas_generation_context(&state.root, &client, &access).await?;
-        let fingerprint = background_removal_request_fingerprint(
-            &source_asset_id,
-            &asset_name,
-            background_mode,
-            screen_color,
-        );
+        let fingerprint = format!("{}\0{}", source_asset_id, asset_name);
         let (_operation_id, idempotency_key) = state.resource_request_ids(&fingerprint)?;
         let route = "/api/external/v1/editor/images/background-removals";
-        let mut request_body = json!({
-            "sourceImageSrc": source_resource_id,
-            "projectId": manifest.project_id,
-            "assetKind": source_asset.kind,
-            "assetFolderId": context.asset_folder_id,
-            "assetLabel": asset_name,
-            "sourceResourceId": source_resource_id,
-        });
-        if background_mode == Some("flat") {
-            request_body["backgroundMode"] = json!("flat");
-        }
-        if let Some(color) = screen_color {
-            request_body["screenColor"] = json!(color);
-        }
         let response = crate::http_client::with_agc_main_site_marker(
             client
                 .post(format!("{}{}", api_base_url, route))
                 .bearer_auth(api_key)
                 .header("Idempotency-Key", idempotency_key)
-                .json(&request_body),
+                .json(&json!({
+                    "sourceImageSrc": source_resource_id,
+                    "projectId": manifest.project_id,
+                    "assetKind": source_asset.kind,
+                    "assetFolderId": context.asset_folder_id,
+                    "assetLabel": asset_name,
+                    "sourceResourceId": source_resource_id,
+                })),
         )
         .send()
         .await
@@ -1986,20 +1972,6 @@ async fn bridge_remove_background(state: &DirectToolBridgeState, arguments: &Val
     }
 }
 
-fn background_removal_request_fingerprint(
-    source: &str,
-    name: &str,
-    mode: Option<&str>,
-    color: Option<&str>,
-) -> String {
-    let mode = mode.unwrap_or("complex");
-    if mode == "complex" && color.is_none() {
-        format!("{source}\0{name}")
-    } else {
-        format!("{source}\0{name}\0{mode}\0{}", color.unwrap_or(""))
-    }
-}
-
 fn bridge_safe_queue_state(value: Value) -> Value {
     let object = value.as_object();
     json!({
@@ -2731,29 +2703,6 @@ pub(crate) async fn start_direct_tool_bridge(
 
 #[cfg(test)]
 mod tests {
-    #[test]
-    fn remove_background_identity_preserves_default_and_distinguishes_options() {
-        let legacy = "asset-1\0透明图";
-        assert_eq!(
-            background_removal_request_fingerprint("asset-1", "透明图", None, None),
-            legacy
-        );
-        assert_eq!(
-            background_removal_request_fingerprint("asset-1", "透明图", Some("complex"), None),
-            legacy
-        );
-        let mut identities = std::collections::HashSet::new();
-        identities.insert(legacy.to_string());
-        for color in [None, Some("auto"), Some("#CFEFFF"), Some("#112233")] {
-            let id =
-                background_removal_request_fingerprint("asset-1", "透明图", Some("flat"), color);
-            assert_eq!(
-                id,
-                background_removal_request_fingerprint("asset-1", "透明图", Some("flat"), color)
-            );
-            assert!(identities.insert(id));
-        }
-    }
     use super::*;
     use std::io::{Cursor, Read, Write};
 

apps/ai-game-creator-shell/src-tauri/src/agent/direct_tools_mcp.rs

@@ -49,7 +49,7 @@ struct ExternalMcpHttpState {
     root: PathBuf,
     token: String,
     session_user_id: String,
-    session_identity_generation: u64,
+    session_generation: u64,
 }
 
 pub(crate) fn direct_tools_mcp_mode_requested(args: &[String]) -> bool {
@@ -435,7 +435,7 @@ fn direct_tools_mcp_specs_for(controlled_web_search: bool, _cocos_editor_availab
         }),
         json!({
                 "name": "agc_remove_background",
-                "description": "为当前项目已登记的图片资源去除背景。complex 通过语义分割识别前景；flat 用于纯色背景抠图，确定背景为纯色时优先选择 flat。提供资源身份、结果名称及可选模式和背景色；客户端管理登录、项目画布和素材目录，不返回 Token、内部路由、宿主路径或临时签名 URL。",
+                "description": "为当前项目已登记的图片资源去除背景。客户端使用当前登录账号的抠图服务、项目画布和素材目录，模型只能提供已登记资源身份与结果名称；不会返回 Token、内部路由、宿主路径或临时签名 URL。",
                 "inputSchema": {
                     "type": "object",
                     "properties": {
@@ -449,16 +449,6 @@ fn direct_tools_mcp_specs_for(controlled_web_search: bool, _cocos_editor_availab
                             "type": "string",
                             "minLength": 1,
                             "maxLength": DIRECT_TOOLS_MCP_MAX_RESOURCE_NAME_CHARS
-                        },
-                        "backgroundMode": {
-                            "type": "string",
-                            "enum": ["complex", "flat"],
-                            "description": "可选抠图模式：complex 用语义分割识别前景，flat 用纯色背景抠图；确定背景为纯色时优先使用 flat。省略时使用 complex"
-                        },
-                        "screenColor": {
-                            "type": "string",
-                            "pattern": "^(auto|#[0-9A-Fa-f]{6})$",
-                            "description": "flat 模式可选背景色；传 auto 或 #RRGGBB，省略时由服务自动检测"
                         }
                     },
                     "required": ["sourceLocalAssetId", "assetName"],
@@ -891,46 +881,14 @@ fn validate_resource_generation_arguments(arguments: &Value) -> Result<(), Strin
     }
 }
 
-pub(super) fn validate_remove_background_arguments(arguments: &Value) -> Result<(), String> {
-    validate_tool_object_fields(
-        arguments,
-        &[
-            "sourceLocalAssetId",
-            "assetName",
-            "backgroundMode",
-            "screenColor",
-        ],
-    )?;
+fn validate_remove_background_arguments(arguments: &Value) -> Result<(), String> {
+    validate_tool_object_fields(arguments, &["sourceLocalAssetId", "assetName"])?;
     bounded_tool_string(arguments, "sourceLocalAssetId", 80)?;
     bounded_tool_string(
         arguments,
         "assetName",
         DIRECT_TOOLS_MCP_MAX_RESOURCE_NAME_CHARS,
     )?;
-    if let Some(mode) = arguments.get("backgroundMode") {
-        let mode = mode
-            .as_str()
-            .ok_or_else(|| "backgroundMode 必须是 complex 或 flat".to_string())?;
-        if mode != "complex" && mode != "flat" {
-            return Err("backgroundMode 必须是 complex 或 flat".to_string());
-        }
-    }
-    if let Some(color) = arguments.get("screenColor") {
-        let color = color
-            .as_str()
-            .ok_or_else(|| "screenColor 必须是 auto 或 #RRGGBB".to_string())?;
-        let valid_hex = color.len() == 7
-            && color.starts_with('#')
-            && color[1..]
-                .chars()
-                .all(|character| character.is_ascii_hexdigit());
-        if color != "auto" && !valid_hex {
-            return Err("screenColor 必须是 auto 或 #RRGGBB".to_string());
-        }
-        if arguments.get("backgroundMode").and_then(Value::as_str) != Some("flat") {
-            return Err("complex 模式不能传 screenColor".to_string());
-        }
-    }
     Ok(())
 }
 
@@ -1283,8 +1241,7 @@ fn external_mcp_session_id(root: &Path) -> String {
         material.push('\0');
         material.push_str(&session.user_id);
         material.push('\0');
-        // 用身份代次而不是 token：同一账号续期不得让 MCP 会话身份漂移。
-        material.push_str(&session.identity_generation.to_string());
+        material.push_str(&session.generation.to_string());
     }
     format!("mcp-{:x}", Sha256::digest(material.as_bytes()))
 }
@@ -1802,9 +1759,7 @@ async fn handle_external_mcp_http_request(
     let Some(session) = current_platform_session() else {
         return Err(StatusCode::UNAUTHORIZED);
     };
-    if session.user_id != state.session_user_id
-        || session.identity_generation != state.session_identity_generation
-    {
+    if session.user_id != state.session_user_id || session.generation != state.session_generation {
         return Err(StatusCode::UNAUTHORIZED);
     }
     let response = EXTERNAL_MCP_BRIDGE_URL
@@ -1839,7 +1794,7 @@ pub(crate) async fn start_external_mcp_loopback(
         root,
         token: token.clone(),
         session_user_id: session.user_id,
-        session_identity_generation: session.identity_generation,
+        session_generation: session.generation,
     };
     let app = Router::new()
         .route(&route, post(handle_external_mcp_http_request))
@@ -1891,51 +1846,6 @@ pub(crate) fn stop_game_creator_external_mcp() -> Result<(), String> {
 mod tests {
     use super::*;
 
-    #[test]
-    fn remove_background_arguments_enforce_mode_color_contract() {
-        for fields in [
-            json!({}),
-            json!({"backgroundMode":"complex"}),
-            json!({"backgroundMode":"flat"}),
-            json!({"backgroundMode":"flat","screenColor":"auto"}),
-            json!({"backgroundMode":"flat","screenColor":"#Ab12EF"}),
-        ] {
-            let mut arguments = json!({"sourceLocalAssetId":"asset-1","assetName":"透明图"});
-            arguments
-                .as_object_mut()
-                .unwrap()
-                .extend(fields.as_object().unwrap().clone());
-            assert!(
-                validate_remove_background_arguments(&arguments).is_ok(),
-                "{fields}"
-            );
-        }
-        for fields in [
-            json!({"screenColor":"auto"}),
-            json!({"backgroundMode":"complex","screenColor":"auto"}),
-            json!({"backgroundMode":"flat","screenColor":""}),
-            json!({"backgroundMode":"flat","screenColor":" auto "}),
-            json!({"backgroundMode":"flat","screenColor":"AUTO"}),
-            json!({"backgroundMode":"flat","screenColor":"#GGGGGG"}),
-            json!({"backgroundMode":"flat","screenColor":null}),
-            json!({"backgroundMode":"flat","screenColor":12}),
-            json!({"backgroundMode":""}),
-            json!({"backgroundMode":"FLAT"}),
-            json!({"backgroundMode":" flat "}),
-            json!({"backgroundMode":null}),
-        ] {
-            let mut arguments = json!({"sourceLocalAssetId":"asset-1","assetName":"透明图"});
-            arguments
-                .as_object_mut()
-                .unwrap()
-                .extend(fields.as_object().unwrap().clone());
-            assert!(
-                validate_remove_background_arguments(&arguments).is_err(),
-                "{fields}"
-            );
-        }
-    }
-
     #[cfg(all(windows, feature = "cocos-editor-execute"))]
     #[test]
     fn builtin_mcp_process_probe() {

apps/ai-game-creator-shell/src-tauri/src/agent/generation/canvas_generation.rs

@@ -11,10 +11,6 @@ use super::external_generation_state::{
     retain_platform_art_generation_runtime_accepted_result, PlatformArtGenerationRuntimeState,
 };
 use super::*;
-use crate::platform_session::{
-    acquire_platform_session_identity_lease, validate_platform_session_identity,
-    PlatformSessionIdentity,
-};
 use reqwest::multipart::{Form, Part};
 
 const EXTERNAL_GENERATION_POLL_TIMEOUT: Duration = Duration::from_secs(35 * 60);
@@ -1514,7 +1510,10 @@ struct PreparedPlatformArtAssetSlice {
 
 #[derive(Clone)]
 struct PreparedPlatformSessionFence {
-    identity: PlatformSessionIdentity,
+    user_id: String,
+    api_base_url: String,
+    generation: u64,
+    access_token_sha256: String,
 }
 
 impl PreparedPlatformSessionFence {
@@ -1522,17 +1521,41 @@ impl PreparedPlatformSessionFence {
         access
             .frozen_platform_session()
             .map(|session| PreparedPlatformSessionFence {
-                identity: session.identity(),
+                user_id: session.user_id.clone(),
+                api_base_url: session.api_base_url.clone(),
+                generation: session.generation,
+                access_token_sha256: format!(
+                    "{:x}",
+                    Sha256::digest(session.access_token.as_bytes())
+                ),
             })
     }
 
     fn validate(&self) -> Result<(), String> {
-        // 只比较身份：同一账号的 access token 轮换不得让在途生成 operation 失败。
-        validate_platform_session_identity(&self.identity)
+        let matches = current_platform_session().is_some_and(|session| {
+            session.user_id == self.user_id
+                && session.api_base_url == self.api_base_url
+                && session.generation == self.generation
+                && format!("{:x}", Sha256::digest(session.access_token.as_bytes()))
+                    == self.access_token_sha256
+        });
+        if matches {
+            Ok(())
+        } else {
+            Err(
+                "authentication-required: 陶泥儿登录态已变化，旧账号请求已停止，请使用当前账号重试"
+                    .to_string(),
+            )
+        }
     }
 
     fn acquire_lease(&self) -> Result<ValidatedPlatformSessionLease, String> {
-        acquire_platform_session_identity_lease(&self.identity)
+        acquire_validated_platform_session_fingerprint(
+            &self.user_id,
+            &self.api_base_url,
+            self.generation,
+            &self.access_token_sha256,
+        )
     }
 }
 
@@ -10613,7 +10636,7 @@ mod canvas_generation_tests {
         }
         drop(owner_a_access);
         drop(frozen_owner_a);
-        install_platform_session("durable-owner-b", "durable-owner-b-token", &base_url, 2, 2)
+        install_platform_session("durable-owner-b", "durable-owner-b-token", &base_url, 2)
             .expect("switch to owner B");
 
         let error = match request_platform_art_asset_with_runtime_options_at(
@@ -10738,14 +10761,8 @@ mod canvas_generation_tests {
                 .recv_timeout(Duration::from_secs(3))
                 .expect("wait for accepted response");
             std::thread::sleep(Duration::from_millis(50));
-            install_platform_session(
-                "post-202-user-b",
-                "post-202-token-b",
-                &switch_base_url,
-                2,
-                2,
-            )
-            .expect("switch platform account after accepted response");
+            install_platform_session("post-202-user-b", "post-202-token-b", &switch_base_url, 2)
+                .expect("switch platform account after accepted response");
         });
         let runtime_context = PlatformArtGenerationRuntimeContext {
             agent_id: "art-director".to_string(),

apps/ai-game-creator-shell/src-tauri/src/agent/generation/external_generation_state.rs

@@ -1431,13 +1431,12 @@ mod external_generation_state_tests {
             base_url,
         );
         let frozen_a = current_platform_session().expect("freeze owner A");
-        validate_frozen_platform_session(&frozen_a).expect("owner A is current before switch");
+        validate_platform_session_snapshot(&frozen_a).expect("owner A is current before switch");
         replace_platform_session_for_gui_owner(
             "fingerprint-owner-b",
             "fingerprint-token-b",
             base_url,
             2,
-            2,
         )
         .expect("switch global session to owner B");
         let current_b = current_platform_session().expect("owner B is current after switch");

apps/ai-game-creator-shell/src-tauri/src/agent/runtime_actions/response_stream_tests.rs

@@ -605,8 +605,6 @@ fn finalization_cleanup_closes_entire_tool_plan_repair_chain_before_removal() {
         response_stream_fixture("finalization-tool-plan-repair-chain-run");
     let root = project.path();
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "finalization-tool-plan-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "finalization-tool-plan-model".to_string(),
@@ -970,8 +968,6 @@ async fn provider_handoff_identity_drift_closes_lifecycle_without_leaking_respon
     let root = project.path();
     let request = LlmRunRequest::new(vec![LlmMessage::user("验证 handoff 身份漂移")]);
     let old_llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "old-provider-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "old-provider-model".to_string(),
@@ -1077,8 +1073,6 @@ async fn tool_plan_handoff_identity_drift_closes_entire_repair_chain_before_remo
         LlmMessage::user("修复格式"),
     ]);
     let old_llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "old-tool-plan-provider-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "old-tool-plan-model".to_string(),
@@ -1198,8 +1192,6 @@ async fn generic_retry_identity_drift_closes_tool_plan_repair_chain_before_remov
         response_stream_fixture("generic-retry-drift-tool-plan-chain-run");
     let root = project.path();
     let old_llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "old-generic-retry-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "old-generic-retry-model".to_string(),
@@ -1285,8 +1277,6 @@ async fn tool_plan_capacity_gate_runs_before_provider_lifecycle_and_network() {
         response_stream_fixture("tool-plan-capacity-preflight-run");
     let root = project.path();
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "tool-plan-capacity-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "tool-plan-capacity-model".to_string(),
@@ -1410,8 +1400,6 @@ async fn tool_plan_handoff_durable_control_closes_entire_repair_chain_before_rem
         LlmMessage::user("修复格式"),
     ]);
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "durable-control-tool-plan-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "durable-control-tool-plan-model".to_string(),
@@ -1537,8 +1525,6 @@ fn provider_recovery_cleanup_closes_tool_plan_lifecycle_before_removing_handoff(
     snapshot.request_slot = "loop-0-repair-0".to_string();
     let request = LlmRunRequest::new(vec![LlmMessage::user("等待 steer 或 cancel")]);
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "tool-plan-cleanup-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "tool-plan-cleanup-model".to_string(),
@@ -1611,8 +1597,6 @@ fn runtime_resume_scans_and_cleans_terminal_tool_plan_handoff() {
     snapshot.request_slot = "loop-0-repair-0".to_string();
     let request = LlmRunRequest::new(vec![LlmMessage::user("终态遗留 handoff")]);
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "terminal-handoff-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "terminal-handoff-model".to_string(),
@@ -1709,8 +1693,6 @@ async fn provider_handoff_retry_conflict_preserves_both_sidecars_for_reconciliat
     let root = project.path();
     let request = LlmRunRequest::new(vec![LlmMessage::user("验证 handoff/retry 冲突")]);
     let llm = GameCreatorLlmConfig {
-        custom_enabled: false,
-        visible_models: Vec::new(),
         api_key: "provider-key".to_string(),
         base_url: "http://127.0.0.1:1/v1".to_string(),
         model: "provider-model".to_string(),

apps/ai-game-creator-shell/src-tauri/src/agent/runtime_driver.rs

@@ -2,9 +2,8 @@ use super::*;
 
 pub(super) static GAME_CREATOR_AGENT_RUNTIME_UPDATE_APP_HANDLE: OnceLock<tauri::AppHandle> =
     OnceLock::new();
-/// 同一 AppData 允许多个界面窗口同时挂载事件接收端，因此这里是按 token 去重的注册表。
-pub(super) static GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINKS: OnceLock<
-    std::sync::Mutex<Vec<GameCreatorManifestInvalidationEventSink>>,
+pub(super) static GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK: OnceLock<
+    std::sync::Mutex<Option<GameCreatorManifestInvalidationEventSink>>,
 > = OnceLock::new();
 #[cfg(test)]
 pub(super) static GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK_TEST_LOCK: std::sync::Mutex<()> =
@@ -294,8 +293,8 @@ pub(crate) use entrypoints::{
     configure_game_creator_manifest_invalidation_event_sink, emit_direct_game_creator_progress,
     emit_game_creator_agent_runtime_update, emit_game_creator_manifest_invalidated,
     game_creator_agent_runtime_update_event, generate_local_game_draft_at,
-    read_game_creator_agent_runtime_at, read_game_creator_agent_runtime_for_session_at,
-    read_game_creator_agent_runtimes_at, register_game_creator_manifest_invalidation_event_sink,
+    install_game_creator_manifest_invalidation_event_sink, read_game_creator_agent_runtime_at,
+    read_game_creator_agent_runtime_for_session_at, read_game_creator_agent_runtimes_at,
     set_game_creator_agent_runtime_update_app_handle,
     start_game_creator_manifest_invalidation_event_sink,
     validate_game_creator_manifest_invalidation_event_sink,

apps/ai-game-creator-shell/src-tauri/src/agent/runtime_driver/entrypoints.rs

@@ -1,12 +1,11 @@
 use super::*;
 
 const GAME_CREATOR_MANIFEST_INVALIDATION_RELAY_MAX_BYTES: u64 = 64 * 1024;
-const GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK_MAX: usize = 16;
 
-fn lock_game_creator_manifest_invalidation_event_sinks(
-) -> std::sync::MutexGuard<'static, Vec<GameCreatorManifestInvalidationEventSink>> {
-    GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINKS
-        .get_or_init(|| Mutex::new(Vec::new()))
+fn lock_game_creator_manifest_invalidation_event_sink(
+) -> std::sync::MutexGuard<'static, Option<GameCreatorManifestInvalidationEventSink>> {
+    GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK
+        .get_or_init(|| Mutex::new(None))
         .lock()
         .unwrap_or_else(|poisoned| poisoned.into_inner())
 }
@@ -220,7 +219,7 @@ pub(crate) fn configure_game_creator_manifest_invalidation_event_sink(
     token: &str,
 ) -> Result<(), String> {
     let sink = validate_game_creator_manifest_invalidation_event_sink(port, token)?;
-    register_game_creator_manifest_invalidation_event_sink(sink);
+    install_game_creator_manifest_invalidation_event_sink(sink);
     Ok(())
 }
 
@@ -241,29 +240,10 @@ pub(crate) fn validate_game_creator_manifest_invalidation_event_sink(
     })
 }
 
-/// 登记一个界面窗口的事件接收端。
-///
-/// 同一窗口重复 attach 用同一个 token，按 token 覆盖旧登记；不同窗口各自持有
-/// 自己的 token，注册表按登记顺序保留，最多 `GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK_MAX` 个。
-pub(crate) fn register_game_creator_manifest_invalidation_event_sink(
+pub(crate) fn install_game_creator_manifest_invalidation_event_sink(
     sink: GameCreatorManifestInvalidationEventSink,
 ) {
-    let mut sinks = lock_game_creator_manifest_invalidation_event_sinks();
-    if let Some(existing) = sinks
-        .iter_mut()
-        .find(|existing| existing.token == sink.token)
-    {
-        *existing = sink;
-        return;
-    }
-    if sinks.len() >= GAME_CREATOR_MANIFEST_INVALIDATION_EVENT_SINK_MAX {
-        sinks.remove(0);
-    }
-    sinks.push(sink);
-}
-
-fn remove_game_creator_manifest_invalidation_event_sink(token: &str) {
-    lock_game_creator_manifest_invalidation_event_sinks().retain(|sink| sink.token != token);
+    *lock_game_creator_manifest_invalidation_event_sink() = Some(sink);
 }
 
 #[cfg(test)]
@@ -278,20 +258,14 @@ impl GameCreatorManifestInvalidationEventSinkTestGuard {
     }
 
     pub(crate) fn configured_sink(&self) -> Option<GameCreatorManifestInvalidationEventSink> {
-        lock_game_creator_manifest_invalidation_event_sinks()
-            .first()
-            .cloned()
-    }
-
-    pub(crate) fn configured_sinks(&self) -> Vec<GameCreatorManifestInvalidationEventSink> {
-        lock_game_creator_manifest_invalidation_event_sinks().clone()
+        lock_game_creator_manifest_invalidation_event_sink().clone()
     }
 }
 
 #[cfg(test)]
 impl Drop for GameCreatorManifestInvalidationEventSinkTestGuard {
     fn drop(&mut self) {
-        lock_game_creator_manifest_invalidation_event_sinks().clear();
+        *lock_game_creator_manifest_invalidation_event_sink() = None;
     }
 }
 
@@ -307,43 +281,16 @@ pub(crate) fn acquire_game_creator_manifest_invalidation_event_sink_test_guard(
 }
 
 fn relay_game_creator_manifest_invalidation(root: &Path, agent_id: &str) -> Result<(), String> {
-    let sinks = lock_game_creator_manifest_invalidation_event_sinks().clone();
-    if sinks.is_empty() {
+    let sink = lock_game_creator_manifest_invalidation_event_sink().clone();
+    let Some(sink) = sink else {
         return Ok(());
-    }
-    let event = GameCreatorManifestInvalidatedEvent {
-        project_path: root.to_string_lossy().into_owned(),
-        agent_id: agent_id.to_string(),
     };
-    let mut failed_tokens = Vec::new();
-    let mut last_error = None;
-    for sink in &sinks {
-        match relay_game_creator_manifest_invalidation_to_sink(sink, &event) {
-            Ok(()) => {}
-            Err(error) => {
-                // 窗口已退出或接收端已释放时只淘汰该接收端，不能影响其它窗口。
-                failed_tokens.push(sink.token.clone());
-                last_error = Some(error);
-            }
-        }
-    }
-    if !failed_tokens.is_empty() {
-        lock_game_creator_manifest_invalidation_event_sinks()
-            .retain(|sink| !failed_tokens.contains(&sink.token));
-    }
-    match last_error {
-        Some(error) => Err(error),
-        None => Ok(()),
-    }
-}
-
-fn relay_game_creator_manifest_invalidation_to_sink(
-    sink: &GameCreatorManifestInvalidationEventSink,
-    event: &GameCreatorManifestInvalidatedEvent,
-) -> Result<(), String> {
     let envelope = GameCreatorManifestInvalidationRelayEnvelope {
-        token: sink.token.clone(),
-        event: event.clone(),
+        token: sink.token,
+        event: GameCreatorManifestInvalidatedEvent {
+            project_path: root.to_string_lossy().into_owned(),
+            agent_id: agent_id.to_string(),
+        },
     };
     let payload = serde_json::to_vec(&envelope)
         .map_err(|error| format!("序列化 manifest 失效事件失败：{error}"))?;

apps/ai-game-creator-shell/src-tauri/src/commands.rs

@@ -1939,9 +1939,8 @@ pub(crate) async fn polish_local_project_prompt(
 }
 
 #[tauri::command]
-pub(crate) fn read_platform_account_session_state(
-) -> crate::platform_session::PlatformSessionWriteState {
-    crate::platform_session::current_platform_session_write_state()
+pub(crate) fn read_platform_account_session_generation() -> u64 {
+    current_platform_session_generation()
 }
 
 #[tauri::command]
@@ -1949,45 +1948,28 @@ pub(crate) async fn install_platform_account_session(
     user_id: String,
     access_token: String,
     api_base_url: String,
-    identity_generation: u64,
-    revision: u64,
+    generation: u64,
 ) -> Result<(), String> {
     tokio::task::spawn_blocking(move || {
-        validate_platform_session_input(
-            &user_id,
-            &access_token,
-            &api_base_url,
-            identity_generation,
-            revision,
-        )?;
+        validate_platform_session_input(&user_id, &access_token, &api_base_url, generation)?;
         install_external_agent_runner_platform_session(
             &user_id,
             &access_token,
             &api_base_url,
-            identity_generation,
-            revision,
+            generation,
         )?;
-        install_platform_session(
-            &user_id,
-            &access_token,
-            &api_base_url,
-            identity_generation,
-            revision,
-        )
+        install_platform_session(&user_id, &access_token, &api_base_url, generation)
     })
     .await
     .map_err(|error| format!("安装本地运行时会话任务意外终止：{error}"))?
 }
 
 #[tauri::command]
-pub(crate) async fn clear_platform_account_session(
-    identity_generation: u64,
-    revision: u64,
-) -> Result<(), String> {
+pub(crate) async fn clear_platform_account_session(generation: u64) -> Result<(), String> {
     tokio::task::spawn_blocking(move || {
         shutdown_game_creator_codex_app_servers()?;
-        clear_external_agent_runner_platform_session(identity_generation, revision)?;
-        clear_platform_session(identity_generation, revision);
+        clear_external_agent_runner_platform_session(generation)?;
+        clear_platform_session(generation);
         Ok(())
     })
     .await
@@ -2009,8 +1991,6 @@ pub(crate) fn write_game_creator_app_config(
         .lock()
         .map_err(|_| "配置写入锁不可用")?;
     let (current, overlays) = load_game_creator_app_config_for_write()?;
-    // 自定义开关只能从本地配置文件开启，不能由渲染层越过配置门禁。
-    config.llm.custom_enabled = current.llm.custom_enabled;
     config.selected_model_id = current.selected_model_id;
     config.selected_model_is_default = current.selected_model_is_default;
     persist_game_creator_app_config(config, overlays, false)
@@ -2047,12 +2027,7 @@ pub(crate) fn select_game_creator_model(
     let _guard = GAME_CREATOR_CONFIG_WRITE_LOCK
         .lock()
         .map_err(|_| "配置写入锁不可用")?;
-    let (mut config, overlays) = load_game_creator_app_config_for_write()?;
-    if config.llm.custom_enabled {
-        if !config.llm.visible_models.contains(&model_id) {
-            return Err("所选模型未勾选或已移除，请刷新模型列表".into());
-        }
-    } else if model_id.is_empty()
+    if model_id.is_empty()
         || model_id.len() > 64
         || !model_id
             .bytes()
@@ -2060,21 +2035,12 @@ pub(crate) fn select_game_creator_model(
     {
         return Err("模型标识无效".into());
     }
+    let (mut config, overlays) = load_game_creator_app_config_for_write()?;
     config.selected_model_id = model_id;
     config.selected_model_is_default = is_default;
     persist_game_creator_app_config(config, overlays, true)
 }
 
-#[tauri::command]
-pub(crate) async fn discover_game_creator_llm_models(
-    llm: GameCreatorLlmConfig,
-) -> Result<Vec<String>, String> {
-    if !load_game_creator_app_config()?.llm.custom_enabled {
-        return Err("请先在本地配置中开启 llm.customEnabled".to_string());
-    }
-    fetch_custom_llm_models(&llm).await
-}
-
 fn persist_game_creator_app_config(
     config: GameCreatorAppConfig,
     overlays: Vec<(PathBuf, serde_json::Value)>,
@@ -2090,8 +2056,8 @@ fn persist_game_creator_app_config(
         let previous = overlay.clone();
         if let Some(fields) = overlay.as_object_mut() {
             for (key, value) in fields.iter_mut() {
-                if !model_only
-                    || matches!(key.as_str(), "selectedModelId" | "selectedModelIsDefault")
+                if matches!(key.as_str(), "selectedModelId" | "selectedModelIsDefault")
+                    == model_only
                 {
                     if let Some(saved_value) = saved.get(key) {
                         // 仅同步已有覆盖项；其它字段继续保留原有覆盖语义。
@@ -4265,7 +4231,14 @@ pub(crate) async fn import_account_editor_assets_for_agent(
     access.validate_frozen_session()?;
     let _platform_session_lease = frozen_session
         .as_ref()
-        .map(|session| acquire_platform_session_identity_lease(&session.identity()))
+        .map(|session| {
+            acquire_validated_platform_session_fingerprint(
+                &session.user_id,
+                &session.api_base_url,
+                session.generation,
+                &format!("{:x}", Sha256::digest(session.access_token.as_bytes())),
+            )
+        })
         .transpose()?;
     let _lock = acquire_project_write_lock(root, "canvas.asset_import")?;
     access.validate_frozen_session()?;

apps/ai-game-creator-shell/src-tauri/src/main.rs

@@ -1084,10 +1084,6 @@ struct GameCreatorAppConfigFile {
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
 struct GameCreatorLlmConfigFile {
-    #[serde(skip_serializing_if = "Option::is_none")]
-    custom_enabled: Option<bool>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    visible_models: Option<Vec<String>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     api_key: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -1143,10 +1139,6 @@ struct GameCreatorAppConfig {
 #[derive(Clone, Debug, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
 struct GameCreatorLlmConfig {
-    #[serde(default)]
-    custom_enabled: bool,
-    #[serde(default)]
-    visible_models: Vec<String>,
     api_key: String,
     base_url: String,
     model: String,
@@ -1663,8 +1655,6 @@ impl Default for GameCreatorAppConfig {
 impl Default for GameCreatorLlmConfig {
     fn default() -> Self {
         Self {
-            custom_enabled: false,
-            visible_models: Vec::new(),
             api_key: String::new(),
             base_url: DEFAULT_GAME_CREATOR_LLM_BASE_URL.to_string(),
             model: DEFAULT_GAME_CREATOR_LLM_MODEL.to_string(),
@@ -2219,8 +2209,6 @@ fn game_creator_gui_run_event_requests_runner_shutdown(event: &tauri::RunEvent)
 enum GameCreatorGuiRunnerShutdownOutcome {
     NotRequested,
     Requested,
-    /// 仍有其它界面窗口持有参与锁，Runner 必须保留给它们。
-    Retained,
     Failed(GameCreatorGuiRunnerShutdownFailure),
 }
 
@@ -2258,8 +2246,7 @@ fn classify_game_creator_gui_runner_shutdown_error(
         GameCreatorGuiRunnerShutdownFailure::ProcessIdentity
     } else if error.contains("当前平台不支持") || error.contains("macOS 不提供") {
         GameCreatorGuiRunnerShutdownFailure::PlatformUnsupported
-    } else if error.contains("实例锁") || error.contains("参与锁") || error.contains("owner 锁")
-    {
+    } else if error.contains("实例锁") || error.contains("owner 锁") {
         GameCreatorGuiRunnerShutdownFailure::LockTimeout
     } else if error.contains("endpoint") {
         GameCreatorGuiRunnerShutdownFailure::EndpointUnavailable
@@ -2275,14 +2262,13 @@ fn resolve_game_creator_gui_runner_shutdown<F>(
     shutdown: F,
 ) -> GameCreatorGuiRunnerShutdownOutcome
 where
-    F: FnOnce() -> Result<bool, String>,
+    F: FnOnce() -> Result<(), String>,
 {
     if !game_creator_gui_run_event_requests_runner_shutdown(event) {
         return GameCreatorGuiRunnerShutdownOutcome::NotRequested;
     }
     match shutdown() {
-        Ok(true) => GameCreatorGuiRunnerShutdownOutcome::Requested,
-        Ok(false) => GameCreatorGuiRunnerShutdownOutcome::Retained,
+        Ok(()) => GameCreatorGuiRunnerShutdownOutcome::Requested,
         Err(error) => GameCreatorGuiRunnerShutdownOutcome::Failed(
             classify_game_creator_gui_runner_shutdown_error(&error),
         ),
@@ -2302,17 +2288,11 @@ fn handle_game_creator_gui_run_event(event: &tauri::RunEvent) {
             app_log!("agent.direct_codex.gui_exit.shutdown_failed: {error}");
         }
     }
-    match resolve_game_creator_gui_runner_shutdown(
-        event,
-        shutdown_external_agent_runner_for_gui_exit,
-    ) {
+    match resolve_game_creator_gui_runner_shutdown(event, shutdown_external_agent_runner) {
         GameCreatorGuiRunnerShutdownOutcome::NotRequested => {}
         GameCreatorGuiRunnerShutdownOutcome::Requested => {
             app_log!("agent.runner.gui_exit.shutdown_requested")
         }
-        GameCreatorGuiRunnerShutdownOutcome::Retained => {
-            app_log!("agent.runner.gui_exit.retained_for_other_windows")
-        }
         GameCreatorGuiRunnerShutdownOutcome::Failed(failure) => {
             app_log!("agent.runner.gui_exit.shutdown_failed.{}", failure.code())
         }
@@ -2621,25 +2601,27 @@ fn main() {
                     )
                 })?;
             setup_log.append("startup.runner.configure.complete");
-            hold_external_agent_runner_gui_participant_lock(&config_dir)
+            let gui_owner_lock = acquire_external_agent_runner_gui_owner_lock(&config_dir)
                 .inspect_err(|error| {
                     let details = sanitize_diagnostic_message(error, Some(config_dir.as_path()));
                     setup_log.fail(&format!(
-                        "startup.runner.participant-lock.failed details={details}"
+                        "startup.runner.owner-lock.failed details={details}"
                     ));
                 })
                 .map_err(|error| {
                     std::io::Error::new(
                         std::io::ErrorKind::AlreadyExists,
-                        format!("建立 AGC 界面参与锁失败：{error}"),
+                        format!("获取 GUI owner 锁失败：{error}"),
                     )
                 })?;
+            let gui_owner_epoch = gui_owner_lock.owner_epoch().to_string();
+            app.manage(gui_owner_lock);
             setup_log.append("startup.runner.start.begin");
             set_game_creator_agent_runtime_update_app_handle(app.handle().clone());
             set_direct_thread_manager_app_handle(app.handle().clone());
             let manifest_event_sink =
                 start_game_creator_manifest_invalidation_event_sink(app.handle().clone())?;
-            attach_external_agent_runner_gui_owner(&manifest_event_sink)
+            attach_external_agent_runner_gui_owner(&manifest_event_sink, &gui_owner_epoch)
                 .inspect_err(|error| {
                     let details = sanitize_diagnostic_message(error, Some(config_dir.as_path()));
                     setup_log.fail(&format!(
@@ -2733,13 +2715,12 @@ fn main() {
             confirm_resume_game_creator_agent_runtime_tasks,
             schedule_game_creator_agent_ready_tasks,
             check_game_creator_llm_config,
-            read_platform_account_session_state,
+            read_platform_account_session_generation,
             install_platform_account_session,
             clear_platform_account_session,
             read_game_creator_app_config,
             write_game_creator_app_config,
             select_game_creator_model,
-            discover_game_creator_llm_models,
             upload_local_asset,
             register_local_asset,
             create_ui_design_resource,