diff --git a/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts b/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
index 46705025a..d97a6945a 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/chat/controller/useDirectProjectChatController.ts
@@ -35,6 +35,10 @@ import {
   enqueueSystemFailureNoticeText,
   invokeTurnEnqueue,
 } from '../conversation/directTurnEnqueueFailure';
+import {
+  visibleDirectControllerError,
+  visibleDirectFailureDetail,
+} from '../conversation/directTurnFailure';
 import type { HistorySlice } from '../generated/HistorySlice';
 import type { QueueRemovalOutcome } from '../generated/QueueRemovalOutcome';
 import type { ThreadItem } from '../generated/ThreadItem';
@@ -322,9 +326,7 @@ export function useDirectProjectChatController({
     } catch (error) {
       if (projectPathRef.current !== nextProjectPath) return;
       setComposerNotice(
-        `取消待发消息失败：${
-          error instanceof Error ? error.message : String(error)
-        }`,
+        visibleDirectControllerError(error, '取消待发消息失败'),
       );
     }
   }
@@ -394,7 +396,7 @@ export function useDirectProjectChatController({
     } catch (error) {
       if (projectPathRef.current === projectPath) {
         setAttachmentNotice(
-          error instanceof Error ? error.message : String(error),
+          visibleDirectControllerError(error, '文件上传失败'),
         );
       }
       return [];
@@ -491,7 +493,13 @@ export function useDirectProjectChatController({
       // 写权限门等前置步骤抛出时不能只留一个未处理的 rejection：回合会静默失败，
       // 这一轮的任何说明都没有出口。
       if (projectPathRef.current === nextProjectPath) {
-        onRuntimeError(error instanceof Error ? error.message : String(error));
+        onRuntimeError(
+          projectRuntimeVisibleError(
+            error instanceof Error ? error.message : String(error),
+            '陶泥儿智能创作',
+            true,
+          ),
+        );
       }
       draftSafe = true;
     } finally {
@@ -625,9 +633,7 @@ export function useDirectProjectChatController({
         setComposerNotice(message);
       }
     } catch (error) {
-      onRuntimeError(
-        `终止失败：${error instanceof Error ? error.message : String(error)}`,
-      );
+      onRuntimeError(visibleDirectControllerError(error, '终止失败'));
       setComposerNotice('');
     } finally {
       setTurnCancelling(false);
@@ -680,10 +686,10 @@ export function useDirectProjectChatController({
       if (pages.error) throw pages.error;
       setStatusNotice('');
     } catch (error) {
-      const message = error instanceof Error ? error.message : String(error);
       if (projectPathRef.current !== nextProjectPath) return;
+      const message = visibleDirectControllerError(error, '项目对话读取失败');
       onRuntimeError(message);
-      setStatusNotice(`项目对话读取失败：${message}`);
+      setStatusNotice(message);
     }
   }
 
@@ -734,9 +740,12 @@ export function useDirectProjectChatController({
     } catch (error) {
       // 与加载成功路径同样按世代守卫：切项目后在飞的读取失败不能算到新项目头上。
       if (isStaleLoad()) return;
-      const message =
-        (error instanceof Error ? error.message : String(error)) ||
-        DIRECT_HISTORY_LOAD_ERROR_FALLBACK;
+      const detail = visibleDirectFailureDetail(
+        error instanceof Error ? error.message : String(error),
+      );
+      const message = detail
+        ? `读取更早的对话历史失败：${detail}`
+        : DIRECT_HISTORY_LOAD_ERROR_FALLBACK;
       historyErrorRef.current = message;
       setHistoryError(message);
     } finally {
diff --git a/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnFailure.ts b/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnFailure.ts
index 365209038..261cbda9d 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnFailure.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/chat/conversation/directTurnFailure.ts
@@ -65,6 +65,16 @@ export function visibleDirectFailureDetail(
     : safe;
 }
 
+/** 控制器非回合错误的统一可见正文：只替换敏感值，空错误也保留专用未分类提示。 */
+export function visibleDirectControllerError(
+  error: unknown,
+  subject: string,
+): string {
+  const raw = error instanceof Error ? error.message : String(error ?? '');
+  const detail = visibleDirectFailureDetail(raw);
+  return detail ? `${subject}：${detail}` : `${subject}：未提供具体错误正文`;
+}
+
 function withVisibleFailureDetail(
   message: string,
   detail: string | null | undefined,
diff --git a/apps/ai-game-creator-shell/tests/directTurnFailure.test.ts b/apps/ai-game-creator-shell/tests/directTurnFailure.test.ts
index e50cf9335..1533f6999 100644
--- a/apps/ai-game-creator-shell/tests/directTurnFailure.test.ts
+++ b/apps/ai-game-creator-shell/tests/directTurnFailure.test.ts
@@ -1,6 +1,9 @@
 import { describe, expect, it } from 'vitest';
 
-import { directTurnFailureNoticeText } from '../src/view/project-development/chat/conversation/directTurnFailure';
+import {
+  directTurnFailureNoticeText,
+  visibleDirectControllerError,
+} from '../src/view/project-development/chat/conversation/directTurnFailure';
 
 describe('DirectProject 上游失败文案', () => {
   it.each([401, 403, 408, 429, 500, 502, 503, 504])(
@@ -121,4 +124,23 @@ describe('DirectProject 上游失败文案', () => {
     expect(text).toContain('旧错误事件未记录具体原因');
     expect(text).not.toContain('服务连接');
   });
+
+  it('控制器错误也保留正文并只替换敏感值', () => {
+    const text = visibleDirectControllerError(
+      new Error(
+        'IPC invoke failed: EPIPE；Authorization: Bearer fixture-secret；C:\\Users\\demo\\game',
+      ),
+      '终止失败',
+    );
+    expect(text).toContain('EPIPE');
+    expect(text).toContain('[已隐藏凭据]');
+    expect(text).not.toContain('fixture-secret');
+    expect(text).not.toContain('C:\\Users\\demo');
+  });
+
+  it('空控制器错误使用专用未分类正文提示', () => {
+    expect(visibleDirectControllerError(new Error(''), '读取失败')).toBe(
+      '读取失败：未提供具体错误正文',
+    );
+  });
 });
diff --git a/docs/adr/【ADR】AGC命令错误结构化与错误报告口径-2026-10-01.md b/docs/adr/【ADR】AGC命令错误结构化与错误报告口径-2026-10-01.md
index 5081c7f22..b2028681d 100644
--- a/docs/adr/【ADR】AGC命令错误结构化与错误报告口径-2026-10-01.md
+++ b/docs/adr/【ADR】AGC命令错误结构化与错误报告口径-2026-10-01.md
@@ -109,6 +109,7 @@ DirectProject 已经解决过同一类问题（[`【ADR】DirectProject命令接
 - Claude Code（cc）侧车的非零退出、RPC `error`、stdout JSON/UTF-8 解析失败、stderr 和静默超时也走同一映射；侧车 stderr 只在有界收口窗口内读取并进入同一脱敏 detail，不再只写裸 `eprintln!`。
 - HTTP 409 只有明确包含泥点不足事实时才映射为 `paidCreditsInsufficient`；Claude Code 的普通 409 冲突保留为 `upstreamFailed`。
 - `hostDropped` 携带可选的脱敏 `detail`：panic hook 能取得的负载和位置随原回合占用进入失败事件；普通 Drop 仅记录“退出时未写终态、未观察到 panic”，不推断为网络中断。旧版本无 `detail` 的事件继续可读，界面明确标注旧事件未记录原因。
+- DirectProject 控制器的取消待发、终止、附件上传、项目历史读取和发送前置异常也复用同一份前端精确脱敏出口；这些非回合错误不得直接把 `Error.message` 原文写入状态栏、composer 或历史错误行。
 
 ## 后果与边界
 
diff --git a/docs/project-memory/plans/【实施计划】AGC错误具体文本展示-2026-10-04.md b/docs/project-memory/plans/【实施计划】AGC错误具体文本展示-2026-10-04.md
index 9498c5bde..a59da4db2 100644
--- a/docs/project-memory/plans/【实施计划】AGC错误具体文本展示-2026-10-04.md
+++ b/docs/project-memory/plans/【实施计划】AGC错误具体文本展示-2026-10-04.md
@@ -13,6 +13,7 @@ Parent Milestone: `【里程碑】AGC错误具体文本展示-2026-10-04.md`
 4. 补充 upstream、transport、stream、IPC、内存不足与 HostDropped 边界测试。
 5. 更新 ADR 的当前行为口径。
 6. HostDropped 的可选 detail 由 Rust 单点脱敏；panic hook 把可读负载和位置关联到原回合占用，Drop 与旧无字段事件分别验证，不更改回合排队、重试或计费行为。
+7. DirectProject 控制器的取消、上传、历史读取和前置异常统一复用前端精确脱敏出口，保留 IPC/OS 正文并替换凭据值、URL 与路径。
 
 ## 实现顺序
 
@@ -33,5 +34,6 @@ Parent Milestone: `【里程碑】AGC错误具体文本展示-2026-10-04.md`
 - 真实 AGC dev smoke 复现并定位 `Reached maximum number of turns (8)` → `transport-closed`；修复后客户端已热重编译重启，未再次触发付费 Provider 请求。
 - Rust 应用日志/启动诊断精确脱敏回归：通过。
 - Rust HostDropped panic detail + 旧无字段载荷兼容回归：定向通过。
+- DirectProject 控制器错误正文：新增脱敏与空错误专用提示回归，前端定向测试通过。
 - 真实 Provider、IPC 断链和内存压力尚未执行。
 - 2026-10-05 当前代码真实 `npm run agc` 构建启动通过；客户端与 Runner 已启动，前端/后台/API/worker/数据库健康检查通过，停止本次自有客户端后保留原有后端。