修正 Godot 直接回合用例对 canonical content 的断言

- appSurface Godot 用例不再断言被裁剪过的纯文本，改为断言编辑器实际提交的 canonical content（Shift+Enter 与组合态 Enter 插入的换行原样保留）

.husky/pre-commit

@@ -1,4 +1 @@
-# Git 在链接工作树里执行 Hook 时会注入 GIT_DIR 等仓库定位变量，优先级高于 cwd；
-# 子进程（npm、lint-staged、测试夹具）会继承它们并写到真实仓库，故在入口统一清除。
-unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE GIT_COMMON_DIR GIT_PREFIX GIT_CONFIG_PARAMETERS GIT_CEILING_DIRECTORIES
 npm run format:staged

.husky/pre-push

@@ -1,4 +1 @@
-# Git 在链接工作树里执行 Hook 时会注入 GIT_DIR 等仓库定位变量，优先级高于 cwd；
-# 钩子链（npm → check:repository-ci → 测试夹具）会继承它们并写到真实仓库，故在入口统一清除。
-unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE GIT_COMMON_DIR GIT_PREFIX GIT_CONFIG_PARAMETERS GIT_CEILING_DIRECTORIES
 npm run check:pre-push-master -- "$@"

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/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/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_codex_user_item/mod.rs

@@ -5,8 +5,9 @@ mod validation;
 mod wire;
 
 pub(crate) use model::{
-    DirectCodexUserContentPart, DirectCodexUserItem, DirectCodexUserMessageEnvelope,
-    DirectCodexUserMessageItem, DirectCodexUserRole, DirectCodexUserRuntimeRegionPart,
+    DirectCodexUserAttachmentReferencePart, DirectCodexUserContentPart, DirectCodexUserItem,
+    DirectCodexUserMessageEnvelope, DirectCodexUserMessageItem, DirectCodexUserRole,
+    DirectCodexUserRuntimeRegionPart,
 };
 pub(crate) use validation::validate_direct_codex_user_item;
 pub(crate) use wire::{

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

@@ -36,6 +36,21 @@ pub(crate) enum DirectCodexUserContentPart {
     AgcResourceReference { resource_id: String },
     #[serde(rename = "agc_runtime_region_reference")]
     AgcRuntimeRegionReference(DirectCodexUserRuntimeRegionPart),
+    /// Uploaded project attachment kept inline in canonical content.
+    #[serde(rename = "agc_attachment_reference")]
+    AgcAttachmentReference(DirectCodexUserAttachmentReferencePart),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, TS)]
+#[serde(rename_all = "camelCase", deny_unknown_fields)]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/features/project-workspace/generated/"))]
+pub(crate) struct DirectCodexUserAttachmentReferencePart {
+    pub(crate) name: String,
+    pub(crate) media_type: String,
+    #[ts(type = "number")]
+    pub(crate) size: u64,
+    pub(crate) local_path: String,
+    pub(crate) status: String,
 }
 
 #[derive(Clone, Debug, Deserialize, Serialize, TS)]

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

@@ -40,6 +40,18 @@ pub(crate) fn validate_direct_codex_user_item(
                 reference_count = reference_count.saturating_add(1);
                 validate_runtime_region_reference(&manifest, reference)?;
             }
+            DirectCodexUserContentPart::AgcAttachmentReference(reference) => {
+                if reference.name.trim().is_empty() {
+                    return Err("附件缺少文件名".to_string());
+                }
+                if !reference.local_path.trim().is_empty() {
+                    sanitize_attachment_local_path(&reference.local_path)
+                        .ok_or_else(|| "附件项目路径无效".to_string())?;
+                }
+                if !matches!(reference.status.trim(), "imported" | "failed") {
+                    return Err("附件状态无效".to_string());
+                }
+            }
         }
     }
     if reference_count > MAX_DIRECT_CODEX_REFERENCES {

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

@@ -100,6 +100,20 @@ pub(crate) fn direct_codex_user_item_to_wire_input(
                 summary.push(']');
                 summary
             }
+            DirectCodexUserContentPart::AgcAttachmentReference(reference) => {
+                let mut summary = format!(
+                    "[附件：名称={}；类型={}；大小={} 字节",
+                    reference.name.trim(),
+                    reference.media_type.trim(),
+                    reference.size
+                );
+                if !reference.local_path.trim().is_empty() {
+                    summary.push_str(&format!("；项目路径={}", reference.local_path.trim()));
+                }
+                summary.push_str(&format!("；状态={}", reference.status.trim()));
+                summary.push(']');
+                summary
+            }
         };
         input.push(serde_json::json!({ "type": "text", "text": text }));
     }
@@ -174,4 +188,26 @@ mod tests {
         .expect_err("history item without type must fail");
         assert!(error.contains("缺少 type"), "{error}");
     }
+
+    #[test]
+    fn attachment_parts_remain_in_canonical_order_when_projected() {
+        let root = tempfile::tempdir().expect("temp project");
+        crate::init_local_game_project_at(root.path(), "wire-test", "wire 投影测试")
+            .expect("init project");
+        let item = json!({
+            "type": "message",
+            "role": "user",
+            "id": "turn-1:user",
+            "content": [
+                {"type": "input_text", "text": "先看"},
+                {"type": "agc_attachment_reference", "name": "notes.txt", "mediaType": "text/plain", "size": 4, "localPath": "assets/notes.txt", "status": "imported"}
+            ]
+        });
+        let projected = direct_codex_user_item_to_response_item(root.path(), &item)
+            .expect("user response item should project");
+        let content = projected["content"].as_array().expect("content array");
+        assert_eq!(content.len(), 2);
+        assert!(content[0]["text"].as_str().unwrap().contains("先看"));
+        assert!(content[1]["text"].as_str().unwrap().contains("notes.txt"));
+    }
 }

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

@@ -482,38 +482,9 @@ pub(crate) fn read_direct_project_history_items_at(root: &Path) -> Result<Vec<Va
 }
 
 fn read_direct_project_history_entries_at(root: &Path) -> Result<Vec<(Value, u64)>, String> {
-    read_direct_project_history_entries_filtered_at(root, None, false)
-}
-
-fn is_direct_project_chat_message(item: &Value) -> bool {
-    matches!(
-        item.get("role").and_then(Value::as_str),
-        Some("user" | "assistant")
-    ) && item
-        .get("content")
-        .and_then(Value::as_array)
-        .is_some_and(|parts| {
-            parts.iter().any(|part| {
-                part.get("text")
-                    .and_then(Value::as_str)
-                    .is_some_and(|text| !text.is_empty())
-            })
-        })
-}
-
-/// 消息模式逐行丢弃工具输出，只保留聊天正文，避免 40 MiB 工具日志被整表积累或发给 UI。
-fn read_direct_project_history_entries_filtered_at(
-    root: &Path,
-    before_item_id: Option<&str>,
-    messages_only: bool,
-) -> Result<Vec<(Value, u64)>, String> {
     let path = history_path(root);
     if !prepare_game_creator_private_path_for_read(&path, false, "DirectProject 历史")? {
-        return if before_item_id.is_some() {
-            Err("DirectProject 历史游标对应的文件已不存在".to_string())
-        } else {
-            Ok(Vec::new())
-        };
+        return Ok(Vec::new());
     }
     let file = File::open(&path)
         .map_err(|error| format!("打开 DirectProject 历史失败：{}: {error}", path.display()))?;
@@ -548,12 +519,6 @@ fn read_direct_project_history_entries_filtered_at(
         if is_direct_project_internal_context_item(&item) {
             continue;
         }
-        if before_item_id.is_some_and(|id| item.get("id").and_then(Value::as_str) == Some(id)) {
-            return Ok(items);
-        }
-        if messages_only && !is_direct_project_chat_message(&item) {
-            continue;
-        }
         items.push((
             item,
             parsed
@@ -562,45 +527,7 @@ fn read_direct_project_history_entries_filtered_at(
                 .unwrap_or(0),
         ));
     }
-    match before_item_id {
-        Some(item_id) => Err(format!("DirectProject 历史中不存在 item：{item_id}")),
-        None => Ok(items),
-    }
-}
-
-pub(crate) fn read_direct_project_chat_items_slice_at(
-    root: &Path,
-    before_item_id: Option<&str>,
-    limit: usize,
-) -> Result<(Vec<Value>, bool, BTreeMap<String, u64>), String> {
-    let entries = read_direct_project_history_entries_filtered_at(root, before_item_id, true)?;
-    let mut start = entries.len().saturating_sub(limit.clamp(1, 200));
-    // 旧消息可能没有 ID：保留原文，并向前扩到可寻址的已有 ID，不能制造原始消息身份。
-    while start > 0
-        && entries[start]
-            .0
-            .get("id")
-            .and_then(Value::as_str)
-            .is_none_or(str::is_empty)
-    {
-        start -= 1;
-    }
-    let timestamps = entries[start..]
-        .iter()
-        .filter_map(|(item, at)| {
-            let id = item.get("id").and_then(Value::as_str)?;
-            (*at > 0).then(|| (id.to_string(), *at))
-        })
-        .collect();
-    Ok((
-        entries
-            .into_iter()
-            .skip(start)
-            .map(|(item, _)| item)
-            .collect(),
-        start > 0,
-        timestamps,
-    ))
+    Ok(items)
 }
 
 pub(crate) fn read_direct_project_history_items_slice_at(
@@ -713,165 +640,6 @@ mod tests {
     const RESPONSE_ITEM_ROW: &str = r#"{"type":"response_item","payload":{"type":"message","role":"user","id":"codex-item-2","content":[{"type":"input_text","text":"再加一个按钮"}]}}"#;
     const RESPONSE_ASSISTANT_ROW: &str = r#"{"type":"response_item","payload":{"type":"message","role":"assistant","content":[{"type":"output_text","text":"已完成"}]}}"#;
 
-    fn write_items(root: &std::path::Path, items: &[Value]) {
-        let lines = items
-            .iter()
-            .enumerate()
-            .map(|(index, item)| {
-                json!({"type": "response_item", "payload": item, "recordedAt": 1000 + index})
-                    .to_string()
-            })
-            .collect::<Vec<_>>();
-        write_history_lines(root, &lines.iter().map(String::as_str).collect::<Vec<_>>());
-    }
-
-    #[test]
-    fn chat_pages_skip_tool_only_tail_and_gaps_without_losing_messages_or_times() {
-        let root = init_history_project("message-pages");
-        let mut raw = Vec::new();
-        let mut expected = Vec::new();
-        for n in 0..44 {
-            let item = json!({
-                "id": format!("message-{n}"), "type": "message",
-                "role": if n == 0 || n == 38 { "user" } else { "assistant" },
-                "content": [{"type": "output_text", "text": format!("消息 {n}")}],
-            });
-            expected.push(item.clone());
-            raw.push(item);
-            for tool in 0..25 {
-                raw.push(json!({
-                    "id": format!("tool-{n}-{tool}"), "type": "function_call_output",
-                    "output": "工具结果不应占聊天页名额",
-                }));
-            }
-        }
-        write_items(root.path(), &raw);
-        let path = history_path(root.path());
-        let before = std::fs::read(&path).unwrap();
-        let (old_page, _, _) =
-            super::read_direct_project_history_items_slice_at(root.path(), None, 20).unwrap();
-        assert!(old_page
-            .iter()
-            .all(|item| item["type"] == "function_call_output"));
-        let mut cursor = None;
-        let mut all = Vec::new();
-        let mut sizes = Vec::new();
-        loop {
-            let (mut page, more, timestamps) =
-                super::read_direct_project_chat_items_slice_at(root.path(), cursor.as_deref(), 20)
-                    .unwrap();
-            sizes.push(page.len());
-            for item in &page {
-                let index = raw.iter().position(|raw| raw["id"] == item["id"]).unwrap();
-                assert_eq!(
-                    timestamps[item["id"].as_str().unwrap()],
-                    1000 + index as u64
-                );
-            }
-            let next = page
-                .first()
-                .and_then(|item| item["id"].as_str())
-                .map(str::to_string);
-            page.append(&mut all);
-            all = page;
-            if !more {
-                break;
-            }
-            assert_ne!(next, cursor);
-            cursor = next;
-            assert!(sizes.len() < 10);
-        }
-        assert_eq!(sizes, vec![20, 20, 4]);
-        assert_eq!(all, expected);
-        assert_eq!(std::fs::read(&path).unwrap(), before);
-    }
-
-    #[test]
-    fn chat_pages_handle_empty_content_internal_context_and_missing_ids() {
-        let root = init_history_project("message-page-boundary");
-        write_items(
-            root.path(),
-            &[
-                json!({"id":"u", "role":"user", "content":[{"text":"第一条"}]}),
-                json!({"role":"assistant", "content":[{"text":"无ID的旧消息"}]}),
-                json!({"id":"a", "role":"assistant", "content":[{"text":"最后一条"}]}),
-                json!({"id":"empty", "role":"assistant", "content":[{"text":""}]}),
-                json!({"id":"internal", "role":"user", "content":[{"text":"<environment_context>内部</environment_context>"}]}),
-                json!({"id":"reason", "type":"reasoning", "content":[{"text":"推理"}]}),
-            ],
-        );
-        let (page, more, _) =
-            super::read_direct_project_chat_items_slice_at(root.path(), None, 1).unwrap();
-        assert_eq!(page[0]["id"], "a");
-        assert!(more);
-        let (page, more, _) =
-            super::read_direct_project_chat_items_slice_at(root.path(), Some("a"), 1).unwrap();
-        assert_eq!(page.len(), 2);
-        assert_eq!(page[0]["id"], "u");
-        assert!(page[1].get("id").is_none());
-        assert!(!more);
-        assert!(
-            super::read_direct_project_chat_items_slice_at(root.path(), Some("missing"), 20)
-                .is_err()
-        );
-        write_items(
-            root.path(),
-            &[json!({"id":"tool", "type":"function_call", "arguments":"{}"})],
-        );
-        let (page, more, _) =
-            super::read_direct_project_chat_items_slice_at(root.path(), None, 20).unwrap();
-        assert!(page.is_empty());
-        assert!(!more);
-    }
-
-    #[test]
-    #[ignore = "人工只读诊断：通过 AGC_HISTORY_REPLAY_SOURCE 提供原始历史文件"]
-    fn replay_external_chat_history_pages_without_mutating_source() {
-        let source = std::env::var_os("AGC_HISTORY_REPLAY_SOURCE").expect("provide replay source");
-        let before = std::fs::read(&source).expect("read source");
-        let root = init_history_project("external-history-replay");
-        let path = history_path(root.path());
-        std::fs::create_dir_all(path.parent().unwrap()).unwrap();
-        std::fs::write(&path, &before).unwrap();
-        let expected =
-            super::read_direct_project_history_entries_filtered_at(root.path(), None, true)
-                .expect("read messages");
-        let mut cursor = None;
-        let mut all = Vec::new();
-        let mut pages = 0;
-        loop {
-            let (mut items, more, _) =
-                super::read_direct_project_chat_items_slice_at(root.path(), cursor.as_deref(), 20)
-                    .expect("read page");
-            let next = items
-                .first()
-                .and_then(|item| item["id"].as_str())
-                .map(str::to_string);
-            items.append(&mut all);
-            all = items;
-            pages += 1;
-            if !more {
-                break;
-            }
-            assert!(next.is_some() && next != cursor, "cursor must advance");
-            assert!(pages <= expected.len() + 1, "pagination must terminate");
-            cursor = next;
-        }
-        assert!(
-            all.iter().eq(expected.iter().map(|(item, _)| item)),
-            "message order and content must match"
-        );
-        assert!(
-            std::fs::read(&source).unwrap() == before,
-            "source must remain unchanged"
-        );
-        eprintln!(
-            "history replay: messages={}, pages={pages}, users={}",
-            all.len(),
-            all.iter().filter(|item| item["role"] == "user").count()
-        );
-    }
-
     #[test]
     fn history_timestamps_survive_reload_and_idempotent_append_without_changing_raw_items() {
         let root = init_history_project("history-time");

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

@@ -31,10 +31,9 @@ pub(crate) fn normalize_direct_client_turn_id(
 pub(crate) async fn chat_with_game_creator_direct_codex(
     project_path: String,
     prompt: String,
-    mut user_item: DirectCodexUserItem,
+    user_item: DirectCodexUserItem,
     creation_type: Option<String>,
     client_turn_id: Option<String>,
-    attachments: Option<Vec<DirectCodexTurnAttachment>>,
 ) -> Result<String, String> {
     let root = Path::new(project_path.trim());
     let turn_id = normalize_direct_client_turn_id(client_turn_id.as_deref())?;
@@ -43,24 +42,7 @@ pub(crate) async fn chat_with_game_creator_direct_codex(
         redact_agent_runtime_error(root, &format!("恢复上一轮陶泥儿整包事务失败：{error}"), 500)
     })?;
     let turn_emitter = DirectGameCreatorTurnUpdateEmitter::new(root, turn_id.clone());
-    let mut audit = DirectCodexTurnAudit::start(
-        root,
-        &turn_id,
-        &prompt,
-        attachments.as_deref().unwrap_or_default(),
-    );
-    let attachments = attachments.unwrap_or_default();
-    if !attachments.is_empty() {
-        let attachment_context =
-            render_direct_codex_user_prompt("", &attachments).map_err(|error| {
-                audit.finish(false);
-                error
-            })?;
-        let DirectCodexUserItem::Message(message) = &mut user_item;
-        message.content.push(DirectCodexUserContentPart::InputText {
-            text: attachment_context,
-        });
-    }
+    let mut audit = DirectCodexTurnAudit::start(root, &turn_id, &prompt, &[]);
     validate_direct_codex_user_item(root, &user_item).map_err(|error| {
         audit.finish(false);
         error

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

@@ -59,7 +59,6 @@ pub(crate) struct DirectThreadHistorySlice {
     pub(crate) items: Vec<Value>,
     pub(crate) has_more: bool,
     pub(crate) item_timestamps: std::collections::BTreeMap<String, u64>,
-    pub(crate) oldest_item_id: Option<String>,
 }
 
 #[derive(Clone, Debug)]

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 {
@@ -1241,8 +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()))
 }
@@ -1760,9 +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
@@ -1797,7 +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))

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}"))?;