diff --git a/muse-studio/src/api/mocks/handlers/ai.ts b/muse-studio/src/api/mocks/handlers/ai.ts
index d89f819f..a13de62d 100644
--- a/muse-studio/src/api/mocks/handlers/ai.ts
+++ b/muse-studio/src/api/mocks/handlers/ai.ts
@@ -21,6 +21,7 @@ type CreateAiTaskRequestBody = {
     userInstruction?: string;
   };
   commandId?: string;
+  workId?: string;
 };
 
 type SlotPrecheckRequest = {
@@ -285,6 +286,11 @@ export const aiHandlers = [
     if (!body.commandId) {
       return HttpResponse.json({ code: 40010, msg: '缺少 commandId', data: null }, { status: 400 });
     }
+    // 防假绿：workId 是服务端的上下文与权限边界，真后端缺失时按权限拒绝。
+    // 此前 mock 只校验 commandId，前端不下传上下文也能拿到 taskId（假绿）；这里补上 workId 必填校验复现真实边界。
+    if (!body.workId) {
+      return HttpResponse.json({ code: 40011, msg: '缺少 workId', data: null }, { status: 400 });
+    }
 
     const taskId = crypto.randomUUID();
     mockAiTasks.set(taskId, {
diff --git a/muse-studio/src/features/editor/components/AIPanel.contract.test.tsx b/muse-studio/src/features/editor/components/AIPanel.contract.test.tsx
index f4194f38..dfee9591 100644
--- a/muse-studio/src/features/editor/components/AIPanel.contract.test.tsx
+++ b/muse-studio/src/features/editor/components/AIPanel.contract.test.tsx
@@ -44,7 +44,15 @@ describe('AIPanel task stream contract', () => {
     );
 
     const onCandidateGenerated = vi.fn();
-    render(React.createElement(AIPanel, { onCandidateGenerated }));
+    // 传入真实上下文引用：证明面板把 workId/blockId/agentSlotKey 一并提交给后端，而非残缺 payload。
+    render(
+      React.createElement(AIPanel, {
+        onCandidateGenerated,
+        workId: 'work-abc',
+        blockId: 'block-xyz',
+        agentSlotKey: 'writing.continuation',
+      })
+    );
 
     fireEvent.change(screen.getByPlaceholderText(/在此处输入创作描述/), {
       target: { value: '秘密提示词' },
@@ -55,6 +63,7 @@ describe('AIPanel task stream contract', () => {
     await waitFor(() => expect(onCandidateGenerated).toHaveBeenCalledWith('星海', '6001'));
     expect(createRequests).toHaveLength(1);
     expect(createRequests[0]?.url).not.toContain('秘密提示词');
+    // 收紧契约断言：除 intent/contextScope，还须证明上下文引用真传了、传对了（防"前端不下传上下文仍假绿"）。
     expect(createRequests[0]?.body).toMatchObject({
       intent: {
         kind: 'continuation',
@@ -62,6 +71,9 @@ describe('AIPanel task stream contract', () => {
         outputTarget: 'suggestion',
       },
       contextScope: 'work',
+      workId: 'work-abc',
+      blockId: 'block-xyz',
+      agentSlotKey: 'writing.continuation',
     });
     expect(streamRequests).toEqual(['http://localhost:3000/app-api/muse/ai/tasks/task-123/stream']);
   });
diff --git a/muse-studio/src/features/editor/components/AIPanel.tsx b/muse-studio/src/features/editor/components/AIPanel.tsx
index 3a097d1c..85dd7f7b 100644
--- a/muse-studio/src/features/editor/components/AIPanel.tsx
+++ b/muse-studio/src/features/editor/components/AIPanel.tsx
@@ -3,6 +3,9 @@ import { connectAIStream } from '@/lib/sse';
 import { api } from '@/api/client';
 import type { CreateAiTaskRequest, CreateAiTaskResult } from '@/types/openapi';
 
+/** 续写场景默认绑定的智能体槽位 key（由 Agent BC 解析为具体 Agent 版本）。 */
+const DEFAULT_AGENT_SLOT_KEY = 'writing.continuation';
+
 /** AI 面板 Props 定义 */
 interface AIPanelProps {
   /**
@@ -11,13 +14,27 @@ interface AIPanelProps {
    * @param suggestionId 后端 done 事件回传的候选 ID；用户采纳写入 Canonical 时必须携带，缺失时为 null（无法采纳，仅可预览）
    */
   onCandidateGenerated: (content: string, suggestionId: string | null) => void;
+  /** 目标作品 ID：服务端据此作为上下文与权限边界，必传（缺失时后端按权限拒绝）。 */
+  workId: string;
+  /** 目标 Block 引用：续写/正文生成场景所需，服务端校验其归属 workId。 */
+  blockId?: string;
+  /** 目标章节引用：服务端校验其归属 workId。 */
+  chapterId?: string;
+  /** 作品内智能体槽位 key；未传时默认续写槽位 writing.continuation。 */
+  agentSlotKey?: string;
 }
 
 /**
  * AI 辅助创作面板
  * 发起流式续写或优化指令，展示 Token 级增量打字机视口，支持安全中止和网络重试
  */
-export default function AIPanel({ onCandidateGenerated }: AIPanelProps) {
+export default function AIPanel({
+  onCandidateGenerated,
+  workId,
+  blockId,
+  chapterId,
+  agentSlotKey,
+}: AIPanelProps) {
   const [prompt, setPrompt] = React.useState('');
   const [isGenerating, setIsGenerating] = React.useState(false);
   const [streamContent, setStreamContent] = React.useState('');
@@ -47,6 +64,14 @@ export default function AIPanel({ onCandidateGenerated }: AIPanelProps) {
           userInstruction: prompt.trim(),
           outputTarget: 'suggestion',
         },
+        // 下传真实上下文引用：服务端以 workId 作为权限边界，并校验 block/chapter 归属该作品。
+        // 此前只传 commandId/intent/contextScope，残缺上下文被宽松 mock 掩盖；这里补全以贴合真后端契约。
+        workId,
+        // blockId/chapterId 仅在有值时带键（exactOptionalPropertyTypes 下不允许显式赋 undefined）。
+        ...(blockId ? { blockId } : {}),
+        ...(chapterId ? { chapterId } : {}),
+        // 槽位 key 缺省回退到续写槽位，确保后端总能解析出具体 Agent 版本。
+        agentSlotKey: agentSlotKey ?? DEFAULT_AGENT_SLOT_KEY,
         contextScope: 'work',
       };
       const task = await api.post<CreateAiTaskResult>('/ai/tasks', taskRequest);
diff --git a/muse-studio/src/pages/EditorPage.tsx b/muse-studio/src/pages/EditorPage.tsx
index b8c9a388..6f4a5672 100644
--- a/muse-studio/src/pages/EditorPage.tsx
+++ b/muse-studio/src/pages/EditorPage.tsx
@@ -134,7 +134,12 @@ export default function EditorPage() {
             onReject={handleRejectDiff}
           />
         ) : (
-          <AIPanel onCandidateGenerated={handleCandidateGenerated} />
+          <AIPanel
+            onCandidateGenerated={handleCandidateGenerated}
+            workId="demo-work"
+            blockId={`b-${selectedChapterId}`}
+            chapterId={selectedChapterId}
+          />
         )}
       </div>
     </div>
diff --git a/muse-studio/src/pages/WorkspacePage.tsx b/muse-studio/src/pages/WorkspacePage.tsx
index e57b42b5..38ad1b29 100644
--- a/muse-studio/src/pages/WorkspacePage.tsx
+++ b/muse-studio/src/pages/WorkspacePage.tsx
@@ -308,7 +308,14 @@ export default function WorkspacePage() {
                   isSubmitting={acceptSuggestion.isPending}
                 />
               ) : (
-                <AIPanel onCandidateGenerated={handleCandidateGenerated} />
+                <AIPanel
+                  onCandidateGenerated={handleCandidateGenerated}
+                  workId={workId}
+                  blockId={activeBlock.id}
+                  // chapterId 仅在有值时传（exactOptionalPropertyTypes 下可选 prop 不接受显式 undefined）。
+                  {...(activeChapterId ? { chapterId: activeChapterId } : {})}
+                  agentSlotKey="writing.continuation"
+                />
               )
             ) : (
               <div className="p-6 text-sm text-slate-400">请在左侧大纲选择章节，以使用 AI 创作助手。</div>