diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index 0c9984c75..3d0cdbc39 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -5457,6 +5457,31 @@ iframe.preview-frame {
   visibility: visible;
 }
 
+.game-resource-card-type-badge {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  z-index: 2;
+  display: inline-flex;
+  max-width: calc(100% - 16px);
+  align-items: center;
+  min-width: 0;
+  padding: 4px 8px;
+  overflow: hidden;
+  border: 1px solid rgb(255 255 255 / 72%);
+  border-radius: 999px;
+  background: rgb(75 48 38 / 84%);
+  color: #fff;
+  font-size: 10px;
+  font-weight: 900;
+  line-height: 1;
+  letter-spacing: 0.02em;
+  pointer-events: none;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  box-shadow: 0 8px 18px rgb(96 62 47 / 20%);
+}
+
 .game-resource-card-open {
   position: absolute;
   z-index: 1;
diff --git a/apps/ai-game-creator-shell/src/view/project-development/index.tsx b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
index 272916fa5..0c05b1f79 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
@@ -86,6 +86,7 @@ import {
   RESOURCE_CANVAS_SECTION_MIN_HEIGHT,
   RESOURCE_CANVAS_SECTION_MIN_WIDTH,
   RESOURCE_CANVAS_SECTION_ORDER,
+  RESOURCE_CANVAS_VISIBLE_SECTION_ORDER,
   type ResourceCanvasCardSize,
   resourceCanvasCardSize,
   resourceCanvasContentBounds,
@@ -123,6 +124,7 @@ import {
   type ProjectResource,
   type ProjectResourceCategory,
   projectResourcesFromReadModels,
+  projectResourceTypeLabel,
 } from './resourceProjectionModel';
 import {
   clampProjectResourceSectionZoom,
@@ -393,6 +395,7 @@ export type ProjectDevelopmentViewProps = {
 };
 
 const categoryOrder = RESOURCE_CANVAS_SECTION_ORDER;
+const visibleCategoryOrder = RESOURCE_CANVAS_VISIBLE_SECTION_ORDER;
 
 const categoryLabels: Record<ResourceCategory, string> = {
   code: '游戏代码',
@@ -592,6 +595,7 @@ const ResourceCard = memo(function ResourceCard({
   const [decodedIdentity, setDecodedIdentity] = useState<string | null>(null);
   const Icon = categoryIcons[resource.category];
   const kind = projectResourceCardPreviewKind(resource);
+  const resourceTypeLabel = projectResourceTypeLabel(resource);
   const isMedia = kind === 'video' || kind === 'audio';
   const mediaActive = activeMediaIdentity === previewIdentity;
   const sourceUrl =
@@ -797,6 +801,13 @@ const ResourceCard = memo(function ResourceCard({
       <span className="game-resource-card-visual" aria-hidden="true">
         {visual}
       </span>
+      <span
+        className="game-resource-card-type-badge"
+        data-resource-type={resourceTypeLabel}
+        title={resourceTypeLabel}
+      >
+        {resourceTypeLabel}
+      </span>
       <button
         type="button"
         className="game-resource-card-open"
@@ -1243,6 +1254,10 @@ export default function ProjectDevelopmentView({
       }),
     [manifestTaskById, projectedResources, resourceGraph],
   );
+  const canvasResources = useMemo(
+    () => resources.filter((resource) => resource.category !== 'code'),
+    [resources],
+  );
   // 做方案在拿到第一个产物之前，左边的资源画布是空的（文档 0 项、项目版本 0 项），而澄清
   // 问答、决定卡和 GDD 审批全挤在右边那一列里。这段时间先把画布收掉让对话铺满，一旦有第
   // 一个已登记资源就自动恢复双栏。用 CSS 收而不是不渲染：画布里的页签、缩放和选中状态都
@@ -1288,7 +1303,7 @@ export default function ProjectDevelopmentView({
     projectPath,
     projectId: manifest.projectId,
     mode: sortMode,
-    resources,
+    resources: canvasResources,
     canvasRef: resourceCanvasRef,
     eagerPreviewLimit: 12,
     previewVersionByResourceId: resourcePreviewVersionByResourceId,
@@ -1382,7 +1397,7 @@ export default function ProjectDevelopmentView({
   const normalizedSearch = searchText.trim().toLowerCase();
   const visibleResources = useMemo(
     () =>
-      resources.filter((resource) =>
+      canvasResources.filter((resource) =>
         normalizedSearch
           ? [
               resource.label,
@@ -1392,7 +1407,7 @@ export default function ProjectDevelopmentView({
             ].some((value) => value.toLowerCase().includes(normalizedSearch))
           : true,
       ),
-    [normalizedSearch, resources],
+    [canvasResources, normalizedSearch],
   );
   const visibleResourceIds = useMemo(
     () => new Set(visibleResources.map((resource) => resource.id)),
@@ -1401,7 +1416,7 @@ export default function ProjectDevelopmentView({
   const visibleResourcesByCategory = useMemo(
     () =>
       new Map(
-        categoryOrder.map((category) => [
+        visibleCategoryOrder.map((category) => [
           category,
           visibleResources.filter((resource) => resource.category === category),
         ]),
@@ -1411,17 +1426,17 @@ export default function ProjectDevelopmentView({
   const projectResourcesByCategory = useMemo(
     () =>
       new Map(
-        categoryOrder.map((category) => [
+        visibleCategoryOrder.map((category) => [
           category,
-          resources.filter((resource) => resource.category === category),
+          canvasResources.filter((resource) => resource.category === category),
         ]),
       ),
-    [resources],
+    [canvasResources],
   );
   const resourceIdsByCategory = useMemo(
     () =>
       new Map(
-        categoryOrder.map((category) => [
+        visibleCategoryOrder.map((category) => [
           category,
           new Set(
             (projectResourcesByCategory.get(category) ?? []).map(
@@ -1437,8 +1452,8 @@ export default function ProjectDevelopmentView({
     [manifest.projectId, projectPath],
   );
   const resourcePageCategories = useMemo(
-    () => (resources.length > 0 ? categoryOrder : []),
-    [resources.length],
+    () => (canvasResources.length > 0 ? visibleCategoryOrder : []),
+    [canvasResources.length],
   );
   const activePageCategory =
     resourcePageCategories.find(
@@ -1468,16 +1483,18 @@ export default function ProjectDevelopmentView({
       return;
     }
 
-    const categoriesWithNewResources = categoryOrder.filter((category) => {
-      if (category === viewedResourceCategory) {
-        return false;
-      }
-      const previousIds =
-        previousSnapshot.resourceIdsByCategory.get(category) ?? new Set();
-      return Array.from(resourceIdsByCategory.get(category) ?? []).some(
-        (resourceId) => !previousIds.has(resourceId),
-      );
-    });
+    const categoriesWithNewResources = visibleCategoryOrder.filter(
+      (category) => {
+        if (category === viewedResourceCategory) {
+          return false;
+        }
+        const previousIds =
+          previousSnapshot.resourceIdsByCategory.get(category) ?? new Set();
+        return Array.from(resourceIdsByCategory.get(category) ?? []).some(
+          (resourceId) => !previousIds.has(resourceId),
+        );
+      },
+    );
     resourceCategorySnapshotRef.current = {
       scopeKey: resourceCategoryScopeKey,
       resourceIdsByCategory,
@@ -1683,9 +1700,11 @@ export default function ProjectDevelopmentView({
     }
   }, [activePageCategory, activeResourceCanvasViewport]);
   const selectedResource =
-    resources.find((resource) => resource.id === selectedResourceId) ?? null;
+    canvasResources.find((resource) => resource.id === selectedResourceId) ??
+    null;
   const focusedResource =
-    resources.find((resource) => resource.id === focusedResourceId) ?? null;
+    canvasResources.find((resource) => resource.id === focusedResourceId) ??
+    null;
   const focusedResourceDependencyDetails = useMemo(() => {
     if (!focusedResource) {
       return {
@@ -5035,7 +5054,7 @@ export default function ProjectDevelopmentView({
                       </div>
                     ) : (
                       <div className="game-resource-section-stack">
-                        {categoryOrder.map((category) => {
+                        {visibleCategoryOrder.map((category) => {
                           const Icon = categoryIcons[category];
                           const sectionHeight =
                             resourceSectionHeights.sectionStates.get(category);
diff --git a/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasLayoutModel.ts b/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasLayoutModel.ts
index ac8ac9143..5eaf90ca9 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasLayoutModel.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasLayoutModel.ts
@@ -44,6 +44,14 @@ export const RESOURCE_CANVAS_FIT_PADDING = 16;
 export const RESOURCE_CANVAS_SECTION_ORDER: readonly ProjectResourceCanvasSection[] =
   ['document', 'art', 'audio', 'code', 'version'];
 
+/**
+ * Ordinary resource-canvas navigation intentionally omits game code. The
+ * complete five-section order above remains the internal layout/sidecar
+ * contract so existing code-resource coordinates are not rewritten.
+ */
+export const RESOURCE_CANVAS_VISIBLE_SECTION_ORDER: readonly ProjectResourceCanvasSection[] =
+  ['document', 'art', 'audio', 'version'];
+
 export type ResourceCanvasCardSize = {
   width: number;
   height: number;
diff --git a/apps/ai-game-creator-shell/src/view/project-development/resourceProjectionModel.ts b/apps/ai-game-creator-shell/src/view/project-development/resourceProjectionModel.ts
index 6151887d7..b43bf1352 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/resourceProjectionModel.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/resourceProjectionModel.ts
@@ -55,6 +55,18 @@ export type ProjectResource = {
   imageSequenceDurationMs?: number | null;
 };
 
+export type ProjectResourceTypeLabel =
+  | '图片'
+  | 'SVG'
+  | '视频'
+  | '音频'
+  | '文档'
+  | '任务产物'
+  | 'Agent 回执'
+  | '项目版本'
+  | '游戏代码'
+  | '未知';
+
 const documentExtension =
   /\.(md|markdown|mdx|txt|json|ya?ml|toml|csv|ini|conf|xml)$/iu;
 const gameCodeExtension =
@@ -116,6 +128,55 @@ export function classifyProjectedResource(input: {
   return null;
 }
 
+/**
+ * Converts an already projected resource into short user-facing type text.
+ * This is deliberately display-only: it derives from existing projection
+ * fields and does not add a backend/read-model attribute.
+ */
+export function projectResourceTypeLabel(
+  resource: Pick<
+    ProjectResource,
+    'category' | 'subtype' | 'path' | 'mediaType'
+  >,
+): ProjectResourceTypeLabel {
+  const subtype = resource.subtype.trim().toLowerCase();
+  const path = resource.path.trim().toLowerCase();
+  const mediaType = resource.mediaType.trim().toLowerCase();
+
+  if (resource.category === 'version' || subtype === 'project-version') {
+    return '项目版本';
+  }
+  if (subtype === 'agent-result') {
+    return 'Agent 回执';
+  }
+  if (resource.category === 'code') {
+    return '游戏代码';
+  }
+  if (mediaType === 'image/svg+xml' || /\.svg$/iu.test(path)) {
+    return 'SVG';
+  }
+  if (
+    resource.category === 'audio' ||
+    mediaType.startsWith('audio/') ||
+    audioExtension.test(path)
+  ) {
+    return '音频';
+  }
+  if (mediaType.startsWith('video/') || /\.(mp4|webm|mov)$/iu.test(path)) {
+    return '视频';
+  }
+  if (resource.category === 'document' || mediaType.startsWith('text/')) {
+    return '文档';
+  }
+  if (resource.category === 'art' || mediaType.startsWith('image/')) {
+    return '图片';
+  }
+  if (subtype === 'task-artifact') {
+    return '任务产物';
+  }
+  return '未知';
+}
+
 function resourcePriority(resource: ProjectResource) {
   if (resource.manifestAssetId) {
     return 4;
diff --git a/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
index e6fb313ba..7578260b7 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
@@ -429,6 +429,13 @@ export function registerProjectWorkbenchFoundationTests() {
           localPath: 'assets/section.mp3',
           source: { kind: 'generated', taskId: 'audio-asset-plan' },
         },
+        {
+          id: 'section-code',
+          kind: 'game-code',
+          mediaType: 'text/javascript',
+          localPath: 'game/section.js',
+          source: { kind: 'generated', taskId: 'code-prototype' },
+        },
       ];
       manifest.versions = [
         {
@@ -448,9 +455,13 @@ export function registerProjectWorkbenchFoundationTests() {
     );
     addSectionResources(manifest);
     let layoutRevision = 0;
+    let graphResourceIds: string[] = [];
     const invoke = vi.fn(
       async (command: string, args?: Record<string, unknown>) => {
         if (command === 'read_local_project_resource_graph') {
+          graphResourceIds = (
+            (args?.resources as Array<{ resourceId: string }> | undefined) ?? []
+          ).map(({ resourceId }) => resourceId);
           return resourceGraphForInputs(args);
         }
         if (command === 'read_local_project_resource_canvas_layout') {
@@ -529,7 +540,12 @@ export function registerProjectWorkbenchFoundationTests() {
       Array.from(outline.querySelectorAll('strong')).map(
         (item) => item.textContent,
       ),
-    ).toEqual(['设计文档', '美术资源', '音乐音效', '游戏代码', '项目版本']);
+    ).toEqual(['设计文档', '美术资源', '音乐音效', '项目版本']);
+    expect(graphResourceIds).toContain('asset:section-code');
+    expect(screen.queryByRole('button', { name: /section\.js/ })).toBeNull();
+    expect(
+      screen.queryByRole('region', { name: '游戏代码资源画布' }),
+    ).toBeNull();
     expect(outline.querySelectorAll('small')).toHaveLength(0);
     expect(
       screen.getByRole('region', { name: '设计文档资源画布' }),
@@ -541,11 +557,12 @@ export function registerProjectWorkbenchFoundationTests() {
       screen.getByRole('button', { name: /下一页\s*美术资源/ }),
     ).not.toBeNull();
 
-    fireEvent.click(within(outline).getByRole('button', { name: /游戏代码/ }));
     expect(
-      screen.getByRole('region', { name: '游戏代码资源画布' }),
-    ).not.toBeNull();
-    expect(screen.getByText('没有匹配资源')).not.toBeNull();
+      within(outline).queryByRole('button', { name: /游戏代码/ }),
+    ).toBeNull();
+    expect(
+      screen.queryByRole('region', { name: '游戏代码资源画布' }),
+    ).toBeNull();
     fireEvent.click(within(outline).getByRole('button', { name: /文档/ }));
 
     const dispatchPageWheel = (target: Element, deltaY = 160) => {
@@ -1051,10 +1068,16 @@ export function registerProjectWorkbenchFoundationTests() {
       }),
     );
     await waitFor(() => {
+      expect(screen.queryByLabelText('资源栏目大纲')).toBeNull();
+      expect(screen.getAllByText('暂无已登记资源')).toHaveLength(4);
       expect(
-        within(screen.getByLabelText('资源栏目大纲')).queryByRole('button', {
-          name: /有新资源/,
-        }),
+        screen
+          .getByLabelText(/资源(?:依赖|类型)视图/)
+          .classList.contains('game-resource-canvas--paged'),
+      ).toBe(false);
+      expect(screen.queryByRole('button', { name: /game\.js/ })).toBeNull();
+      expect(
+        screen.queryByRole('region', { name: '游戏代码资源画布' }),
       ).toBeNull();
     });
   });
@@ -1224,14 +1247,8 @@ export function registerProjectWorkbenchFoundationTests() {
           .getByLabelText(/资源(?:依赖|类型)视图/)
           .classList.contains('game-resource-canvas--dependency'),
       ).toBe(false);
-      expect(screen.getAllByText('暂无已登记资源')).toHaveLength(5);
-      for (const label of [
-        '设计文档',
-        '美术资源',
-        '音乐音效',
-        '游戏代码',
-        '项目版本',
-      ]) {
+      expect(screen.getAllByText('暂无已登记资源')).toHaveLength(4);
+      for (const label of ['设计文档', '美术资源', '音乐音效', '项目版本']) {
         expect(screen.getByRole('region', { name: label })).not.toBeNull();
       }
     };
@@ -1394,6 +1411,9 @@ export function registerProjectWorkbenchFoundationTests() {
     expect(heroCard?.textContent).not.toContain('hero.png');
     expect(heroCard?.textContent).not.toContain('assets/hero.png');
     expect(heroCard?.textContent).not.toContain('Agent 生成');
+    expect(
+      heroCard?.querySelector('[data-resource-type="图片"]')?.textContent,
+    ).toBe('图片');
     expect(
       heroCard?.querySelector('.game-resource-card-open button'),
     ).toBeNull();
@@ -1411,7 +1431,12 @@ export function registerProjectWorkbenchFoundationTests() {
     });
     showResourcePage('设计文档');
     act(() => observer.triggerVisible());
-    await screen.findByText(/这是安全的卡片正文摘要。/);
+    const documentSummary = await screen.findByText(/这是安全的卡片正文摘要。/);
+    expect(
+      documentSummary
+        .closest('.game-resource-card')
+        ?.querySelector('[data-resource-type="文档"]'),
+    ).not.toBeNull();
     showResourcePage('美术资源');
     expect(
       invoke.mock.calls.some(
@@ -1425,6 +1450,9 @@ export function registerProjectWorkbenchFoundationTests() {
       name: '播放 intro.mp4',
     });
     const videoCard = videoControl.closest('.game-resource-card');
+    expect(
+      videoCard?.querySelector('[data-resource-type="视频"]'),
+    ).not.toBeNull();
     const video = videoCard?.querySelector('video');
     expect(video).not.toBeNull();
     expect(video?.preload).toBe('auto');
@@ -1475,7 +1503,13 @@ export function registerProjectWorkbenchFoundationTests() {
     expect(document.activeElement).toBe(stableVideoControl);
 
     showResourcePage('音乐音效');
-    fireEvent.click(screen.getByRole('button', { name: '播放 theme.mp3' }));
+    const audioControl = screen.getByRole('button', { name: '播放 theme.mp3' });
+    expect(
+      audioControl
+        .closest('.game-resource-card')
+        ?.querySelector('[data-resource-type="音频"]'),
+    ).not.toBeNull();
+    fireEvent.click(audioControl);
     await waitFor(() => {
       expect(
         invoke.mock.calls.some(
@@ -2800,6 +2834,82 @@ export function registerProjectWorkbenchFoundationTests() {
     });
   });
 
+  it('hides dependency edges whose code endpoint is not visible while preserving visible edges', async () => {
+    const visibleEdgeId = 'asset-reference:["art-a","art-b"]';
+    const hiddenEdgeId = 'asset-reference:["code","art-a"]';
+    const graph = normalizeProjectResourceGraph({
+      resourceIds: ['code', 'art-a', 'art-b'],
+      referenceEdges: [
+        {
+          id: visibleEdgeId,
+          kind: 'asset-reference',
+          sourceResourceId: 'art-a',
+          targetResourceId: 'art-b',
+          cyclic: false,
+        },
+        {
+          id: hiddenEdgeId,
+          kind: 'asset-reference',
+          sourceResourceId: 'code',
+          targetResourceId: 'art-a',
+          cyclic: false,
+        },
+      ],
+      taskFlows: [],
+      connectionIndex: [],
+      producerAssignments: [],
+      dependencyDepths: [],
+      unresolvedReferenceResourceIds: [],
+      cyclicResourceIds: [],
+      cyclicTaskIds: [],
+      producerMappingTruncated: false,
+    });
+    const positions: ProjectResourceCanvasPosition[] = [
+      {
+        resourceId: 'code',
+        section: 'code',
+        x: 0,
+        y: 0,
+        manuallyPlaced: false,
+      },
+      {
+        resourceId: 'art-a',
+        section: 'art',
+        x: 0,
+        y: 0,
+        manuallyPlaced: false,
+      },
+      {
+        resourceId: 'art-b',
+        section: 'art',
+        x: 0,
+        y: 144,
+        manuallyPlaced: false,
+      },
+    ];
+
+    render(
+      React.createElement(ResourceDependencyOverlay, {
+        graph,
+        positions,
+        section: 'art',
+        visibleResourceIds: new Set(['art-a', 'art-b']),
+      }),
+    );
+
+    const overlay = await screen.findByTestId(
+      'resource-dependency-overlay-art',
+    );
+    await waitFor(() => {
+      const edgeById = (edgeId: string) =>
+        Array.from(
+          overlay.querySelectorAll<SVGPathElement>('[data-edge-id]'),
+        ).find((edge) => edge.getAttribute('data-edge-id') === edgeId);
+      expect(edgeById(visibleEdgeId)).not.toBeNull();
+      expect(edgeById(hiddenEdgeId)).toBeUndefined();
+    });
+  });
+
   it('coalesces section scroll geometry, keeps partial endpoints stable, and cleans one dependency observer', async () => {
     const referenceId = 'asset-reference:["resource-a","resource-b"]';
     const graph = normalizeProjectResourceGraph({
diff --git a/apps/ai-game-creator-shell/tests/projectResourceProjectionModel.test.ts b/apps/ai-game-creator-shell/tests/projectResourceProjectionModel.test.ts
index 92ef7f361..7ff71b3da 100644
--- a/apps/ai-game-creator-shell/tests/projectResourceProjectionModel.test.ts
+++ b/apps/ai-game-creator-shell/tests/projectResourceProjectionModel.test.ts
@@ -1,7 +1,10 @@
 import { describe, expect, it } from 'vitest';
 
 import { createGameCreationAppManifest } from '../../../packages/shared/src/contracts/gameCreationApp';
-import { projectResourcesFromReadModels } from '../src/view/project-development/resourceProjectionModel';
+import {
+  projectResourcesFromReadModels,
+  projectResourceTypeLabel,
+} from '../src/view/project-development/resourceProjectionModel';
 
 describe('项目资源投影', () => {
   it('只把明确资源投影到固定分类，未知任务产物不会伪装成项目版本', () => {
@@ -225,4 +228,119 @@ describe('项目资源投影', () => {
     expect(versions[0]?.version?.childVersionIds).toEqual(['version-child']);
     expect(versions[1]?.version?.parentVersionId).toBe('version-root');
   });
+
+  it('按稳定优先级推导资源卡类型标识并为未知类型兜底', () => {
+    expect(
+      projectResourceTypeLabel({
+        category: 'version',
+        subtype: 'project-version',
+        path: 'versions/v1',
+        mediaType: '正式项目版本',
+      }),
+    ).toBe('项目版本');
+    expect(
+      projectResourceTypeLabel({
+        category: 'document',
+        subtype: 'agent-result',
+        path: '专业 Agent 文本回执',
+        mediaType: 'Agent 历史文本回执',
+      }),
+    ).toBe('Agent 回执');
+    expect(
+      projectResourceTypeLabel({
+        category: 'document',
+        subtype: 'task-artifact',
+        path: 'memory/plan.md',
+        mediaType: '项目文档',
+      }),
+    ).toBe('文档');
+    expect(
+      projectResourceTypeLabel({
+        category: 'audio',
+        subtype: 'task-artifact',
+        path: 'audio/theme.wav',
+        mediaType: '音乐音效产物',
+      }),
+    ).toBe('音频');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'task-artifact',
+        path: 'assets/hero.svg',
+        mediaType: '美术产物',
+      }),
+    ).toBe('SVG');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'task-artifact',
+        path: 'assets/unknown',
+        mediaType: '美术产物',
+      }),
+    ).toBe('图片');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'character',
+        path: 'assets/hero.svg',
+        mediaType: 'image/svg+xml',
+      }),
+    ).toBe('SVG');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'video',
+        path: 'assets/intro.mp4',
+        mediaType: 'video/mp4',
+      }),
+    ).toBe('视频');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'character',
+        path: 'assets/hero.png',
+        mediaType: 'image/png',
+      }),
+    ).toBe('图片');
+    expect(
+      projectResourceTypeLabel({
+        category: 'document',
+        subtype: 'attachment',
+        path: 'docs/rules.yaml',
+        mediaType: 'application/yaml',
+      }),
+    ).toBe('文档');
+    expect(
+      projectResourceTypeLabel({
+        category: 'document',
+        subtype: 'unknown',
+        path: 'data/blob',
+        mediaType: 'application/octet-stream',
+      }),
+    ).toBe('文档');
+    expect(
+      projectResourceTypeLabel({
+        category: 'code',
+        subtype: 'source',
+        path: 'game/main.ts',
+        mediaType: 'text/typescript',
+      }),
+    ).toBe('游戏代码');
+    expect(
+      projectResourceTypeLabel({
+        category: 'art',
+        subtype: 'unknown',
+        path: 'assets/blob',
+        mediaType: 'application/octet-stream',
+      }),
+    ).toBe('图片');
+    expect(
+      projectResourceTypeLabel({
+        category: 'unsupported' as never,
+        subtype: 'unknown',
+        path: 'data/blob',
+        mediaType: 'application/octet-stream',
+      }),
+    ).toBe('未知');
+  });
 });
diff --git a/docs/prd/【AI游戏创作】项目开发工作台PRD-2026-07-20.md b/docs/prd/【AI游戏创作】项目开发工作台PRD-2026-07-20.md
index 5ff2dee1f..4ae5a4fc8 100644
--- a/docs/prd/【AI游戏创作】项目开发工作台PRD-2026-07-20.md
+++ b/docs/prd/【AI游戏创作】项目开发工作台PRD-2026-07-20.md
@@ -322,7 +322,7 @@ type UpdateProjectResourceCanvasLayoutResult =
 - type 模式资源集合变化时保留全部仍存在的坐标，只为新 ID 计算默认位置，并删除已确认失效的旧 ID。dependency 模式只永久保留 `manuallyPlaced=true` 的历史坐标；`manuallyPlaced=false` 属于可派生自动位置，在 Rust 关系图首次就绪、`dependencyDepth` 或资源拓扑身份签名（精确引用端点和聚合 task-flow 成员）变化后按最终拓扑确定性重算。签名以稳定资源 ID 的规范端点 / 成员序列生成固定大小摘要，不使用显示名称或浏览器测量值；自动重算不得移动手动坐标，协调结果与持久布局逐项一致时不得产生 CAS 写入。
 - 搜索或筛选只隐藏卡片，不删除、压缩或重排其坐标；清空搜索后恢复原位置。
 - 窗口尺寸变化只改变当前栏目的可视范围，不回写或裁切持久坐标，也不因资源 extent 或 resize 把已平移的 viewport 拉回内容边界。当前客户端继续以 `1280×800` 横屏合同验收。
-- 任一栏目出现资源后，资源管理固定使用 `设计文档 -> 美术资源 -> 音乐音效 -> 游戏代码 -> 项目版本` 五栏目分页画布；每个栏目按 `projectId + mode + category` 保留独立 viewport。普通 wheel 切换栏目，`Ctrl/Cmd + wheel` 以指针位置为锚点缩放当前无限画布，空白拖动只平移当前栏目；非空状态不提供分区高度、分区内部滚动或分区内容倍率。搜索和详情开关不得重置 viewport，项目、mode 或栏目切换只恢复各自会话状态，显式复位才重新适配当前栏目内容。
+- 任一可见资源出现后，普通用户资源管理固定使用 `设计文档 -> 美术资源 -> 音乐音效 -> 项目版本` 四栏目分页画布；游戏代码仍保留在内部资源、布局和依赖事实中，但不进入普通资源画布的导航、分页、卡片、搜索或详情入口。每个可见栏目按 `projectId + mode + category` 保留独立 viewport，普通 wheel 切换栏目，`Ctrl/Cmd + wheel` 以指针位置为锚点缩放当前无限画布，空白拖动只平移当前栏目；非空状态不提供分区高度、分区内部滚动或分区内容倍率。搜索和详情开关不得重置 viewport，项目、mode 或栏目切换只恢复各自会话状态，显式复位才重新适配当前栏目内容。
 - 首次载入项目中的既有资源不显示未读标识。当前会话内，非当前栏目出现稳定 ID 的新资源时，在对应栏目名称右上角显示红点；当前栏目新增资源不显示红点，用户通过点击、滚轮或程序跳转进入该栏目后立即清除。未读状态只属于当前前端会话，并按 `projectPath + projectId` 隔离，切换项目时清空，不写入 manifest、布局 sidecar 或后端。
 - 打开项目、切换 mode 或当前 mode 首次出现新资源时执行“读取 -> 协调 -> 必要时 CAS 写入”；dependency 模式必须先等待与当前 `projectPath + projectId + resource inputs` 匹配的 Rust 图进入 `ready` 或 `failed` 终态，等待期间不得创建 fallback、读取 sidecar、协调资源或入队保存。`failed` 只允许以空图降级初始化一次。项目或 mode 已切换后返回的旧异步结果必须丢弃。
 - 同一 `projectPath + projectId + mode` 的首次读取与资源集合协调必须分开：资源集合变化不得取消已经发出的读取或保存。当前 scope 内资源自动协调写入使用单写者 FIFO，任一时刻最多一个 CAS 在途，后一笔必须使用前一笔成功返回的 revision。切换项目或 mode 后，旧 scope 的在途请求不能阻塞新 scope 队列；前端放弃旧请求槽位并丢弃其迟到响应，后端继续依靠 `expectedProjectId + expectedRevision + 系统锁` 仲裁已发出的请求。
@@ -355,7 +355,7 @@ type UpdateProjectResourceCanvasLayoutResult =
 
 ### 5.3 资源类型与替换兼容性（P1）
 
-实现状态（2026-08-23）：当前资源投影与栏目页顺序收口为“设计文档 -> 美术资源 -> 音乐音效 -> 游戏代码 -> 项目版本”。设计文档接收受支持的 UTF-8 文档、代码资产中的文档类型和合法 Agent 文本回执；项目版本只接收显式 `ProjectVersionResourceSummary` read model，未知任务产物不得兜底为版本；美术资源接收图片、SVG、动画和视频类产物；音乐音效接收 manifest 资产、上传登记资产和已完成任务 `artifacts` 明确声明的音频产物；游戏代码接收 Direct Codex / 任务产物登记的 HTML、CSS 和 JavaScript。无法识别的二进制任务产物和附件不进入资源画布。受控读取、中央聚焦、失败空态与媒体播放不改变 manifest 真相；编辑成功后只追加新的 asset 或版本子记录。
+实现状态（2026-08-29）：内部资源投影仍识别“设计文档、美术资源、音乐音效、游戏代码、项目版本”五类事实，但普通用户资源画布只展示“设计文档 -> 美术资源 -> 音乐音效 -> 项目版本”四个栏目；游戏代码不进入画布导航、分页、卡片、搜索或详情入口。设计文档接收受支持的 UTF-8 文档、代码资产中的文档类型和合法 Agent 文本回执；项目版本只接收显式 `ProjectVersionResourceSummary` read model，未知任务产物不得兜底为版本；美术资源接收图片、SVG、动画和视频类产物；音乐音效接收 manifest 资产、上传登记资产和已完成任务 `artifacts` 明确声明的音频产物；游戏代码继续接收 Direct Codex / 任务产物登记的 HTML、CSS 和 JavaScript，底层文件、manifest 事实、生成/编辑/运行能力、项目版本引用与依赖关系不变。无法识别的二进制任务产物和附件不进入资源画布。受控读取、中央聚焦、失败空态与媒体播放不改变 manifest 真相；编辑成功后只追加新的 asset 或版本子记录。
 
 资源身份固定使用 manifest asset ID、正式 version ID、Agent ID + run ID 或已导入资源稳定路径；显示标题、来源文案变化不得改变 `resourceId`，从而避免布局、依赖边、选择和聚焦状态因改名失效。
 
@@ -533,12 +533,12 @@ type ProjectAgentMudPointAttribution = {
 
 ### 7.5 资源栏目分页无限画布验收
 
-1. 完全空项目继续显示全部栏目的分区展览；任一栏目出现资源后，dependency / type 都切换为固定五栏目分页画布，悬浮 Dock、底部下一页标题和普通 wheel 可访问全部栏目，空栏目也可打开空画布。
-2. 每个 `projectId + dependency|type + document|art|audio|code|version` 组合保留独立 viewport；切换栏目、模式、项目和打开 / 关闭详情后恢复对应平移与缩放，窗口 resize、媒体测量和资源 extent 变化不得重置用户 viewport。
+1. 完全空项目继续显示四个可见栏目的分区展览；任一可见栏目出现资源后，dependency / type 都切换为固定四栏目分页画布，悬浮 Dock、底部下一页标题和普通 wheel 可访问全部可见栏目，空栏目也可打开空画布；游戏代码栏目和代码卡片不出现。
+2. 每个 `projectId + dependency|type + document|art|audio|version` 组合保留独立 viewport；隐藏代码资源的历史内部坐标和 sidecar 会话状态不被删除或重写，切换栏目、模式、项目和打开 / 关闭详情后恢复对应可见栏目平移与缩放，窗口 resize、媒体测量和资源 extent 变化不得重置用户 viewport。
 3. 当前栏目允许空白拖动无限平移；`Ctrl/Cmd + wheel` 以指针为锚点缩放，显式复位按包含负坐标资源在内的完整 bounds 适配内容。非空状态不显示分区高度、分区内部滚动或分区内容倍率操作。
 4. 资源卡超过 `5px` 阈值后进入拖动，预览和 dependency 线同步移动；成功释放只提交一次 `manuallyPlaced=true` CAS，取消、移出释放、媒体控制点击和未超过阈值均不写布局。
 5. dependency 引导线消费当前栏目的同类型精确引用，并与卡片共享同一 viewport transform；平移、缩放、拖动预览、搜索和 resize 后端点保持对齐，type 模式不渲染引导线。
-6. 栏目分页、viewport 和资源卡拖动只修改工作台会话状态或资源布局 sidecar，不改 manifest、项目 mutation revision、Runtime verification、Agent 权限和预览状态；图片、视频、音频、文档、代码、版本卡片及非模态详情回归全部通过。
+6. 栏目分页、viewport 和资源卡拖动只修改工作台会话状态或资源布局 sidecar，不改 manifest、项目 mutation revision、Runtime verification、Agent 权限和预览状态；图片、SVG、视频、音频、文档、任务产物、Agent 回执、项目版本卡片及非模态详情回归全部通过，游戏代码仅保留内部事实而不进入普通资源画布。
 
 ### 7.6 阶段七完整验收