diff --git a/package.json b/package.json
index 87c2d3280..0136a88a0 100644
--- a/package.json
+++ b/package.json
@@ -150,7 +150,8 @@
     "react-native-safe-area-context": "^5.8.0",
     "react-native-webview": "^13.16.1",
     "three": "^0.184.0",
-    "vite": "^6.2.0"
+    "vite": "^6.2.0",
+    "zustand": "^5.0.14"
   },
   "devDependencies": {
     "@colbymchenry/codegraph": "^0.8.0",
diff --git a/src/components/image-editor/EditorAgentConversationPanelView.test.tsx b/src/components/image-editor/EditorAgentConversationPanelView.test.tsx
index c6b7dc8b1..25108f430 100644
--- a/src/components/image-editor/EditorAgentConversationPanelView.test.tsx
+++ b/src/components/image-editor/EditorAgentConversationPanelView.test.tsx
@@ -8,9 +8,10 @@ import {
   waitFor,
   within,
 } from '@testing-library/react';
-import { describe, expect, it, vi } from 'vitest';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import { EditorAgentConversationPanelView } from './EditorAgentConversationPanelView';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 import type { EditorAgentConversationClient } from './useEditorAgentConversation';
 
 function createClient(): EditorAgentConversationClient {
@@ -85,12 +86,15 @@ function createClient(): EditorAgentConversationClient {
 }
 
 describe('EditorAgentConversationPanelView', () => {
+  beforeEach(() => {
+    useImageCanvasContextStore.getState().setProjectId('project-1');
+  });
+
   it('manages conversations, attachments and message sending inside the panel', async () => {
     const client = createClient();
 
     render(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         client={client}
@@ -196,7 +200,6 @@ describe('EditorAgentConversationPanelView', () => {
 
     render(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         client={client}
@@ -292,7 +295,6 @@ describe('EditorAgentConversationPanelView', () => {
 
     const { rerender } = render(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         client={client}
@@ -316,7 +318,6 @@ describe('EditorAgentConversationPanelView', () => {
 
     rerender(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open={false}
         onToggleOpen={vi.fn()}
         client={client}
@@ -326,7 +327,6 @@ describe('EditorAgentConversationPanelView', () => {
 
     rerender(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         client={client}
@@ -349,7 +349,6 @@ describe('EditorAgentConversationPanelView', () => {
     render(
       <div onWheel={parentWheel}>
         <EditorAgentConversationPanelView
-          projectId="project-1"
           open
           onToggleOpen={vi.fn()}
           client={client}
@@ -387,7 +386,6 @@ describe('EditorAgentConversationPanelView', () => {
     const client = createClient();
     render(
       <EditorAgentConversationPanelView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         client={client}
diff --git a/src/components/image-editor/EditorAgentConversationPanelView.tsx b/src/components/image-editor/EditorAgentConversationPanelView.tsx
index db719bbc6..bbe08ea64 100644
--- a/src/components/image-editor/EditorAgentConversationPanelView.tsx
+++ b/src/components/image-editor/EditorAgentConversationPanelView.tsx
@@ -45,7 +45,6 @@ type EditorAgentAttachmentOption = {
 };
 
 type EditorAgentConversationPanelViewProps = {
-  projectId?: string | null;
   open: boolean;
   onToggleOpen: () => void;
   layers?: CanvasLayer[];
@@ -404,7 +403,6 @@ function AttachmentPickerModal({
 }
 
 export function EditorAgentConversationPanelView({
-  projectId,
   open,
   onToggleOpen,
   layers = [],
@@ -418,6 +416,9 @@ export function EditorAgentConversationPanelView({
       setHasConversationMounted(true);
     }
   }, [open]);
+  const projectId = useImageCanvasContextStore(
+    (state) => state.projectId,
+  );
   const effectiveProjectId = hasConversationMounted ? projectId : null;
   const {
     conversations,
diff --git a/src/components/image-editor/ImageCanvasEditorShellView.test.tsx b/src/components/image-editor/ImageCanvasEditorShellView.test.tsx
index dc5fa045a..bbfb494b6 100644
--- a/src/components/image-editor/ImageCanvasEditorShellView.test.tsx
+++ b/src/components/image-editor/ImageCanvasEditorShellView.test.tsx
@@ -93,7 +93,6 @@ function createSidebarProps(): ImageCanvasSidebarViewProps {
 
 function createTopbarProps(): ImageCanvasTopbarViewProps {
   return {
-    projectId: 'project-1',
     projectTitle: '默认项目',
     projectRenameValue: '默认项目',
     isRenamingProject: false,
@@ -119,7 +118,6 @@ function createTopbarProps(): ImageCanvasTopbarViewProps {
 
 function createStageProps(): ImageCanvasStageViewProps {
   return {
-    projectId: 'project-1',
     canvasViewportRef: createRef<HTMLDivElement>(),
     specToolWrapRef: createRef<HTMLSpanElement>(),
     musicToolWrapRef: createRef<HTMLSpanElement>(),
diff --git a/src/components/image-editor/ImageCanvasEditorView.tsx b/src/components/image-editor/ImageCanvasEditorView.tsx
index 504334bf5..b15077d26 100644
--- a/src/components/image-editor/ImageCanvasEditorView.tsx
+++ b/src/components/image-editor/ImageCanvasEditorView.tsx
@@ -81,6 +81,7 @@ import { useImageCanvasEditorChrome } from './useImageCanvasEditorChrome';
 import { useImageCanvasGenerationSurface } from './useImageCanvasGenerationSurface';
 import { useImageCanvasKeyboardShortcuts } from './useImageCanvasKeyboardShortcuts';
 import { useImageCanvasLayerCommands } from './useImageCanvasLayerCommands';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 import { useImageCanvasProjectPersistence } from './useImageCanvasProjectPersistence';
 import { useImageCanvasStageController } from './useImageCanvasStageController';
 import { useImageCanvasStageInteractions } from './useImageCanvasStageInteractions';
@@ -1015,6 +1016,12 @@ export function ImageCanvasEditorView({
     openEditorLoginModal,
     onProjectAccessLost,
   });
+  const setEditorProjectContextId = useImageCanvasContextStore(
+    (state) => state.setProjectId,
+  );
+  useEffect(() => {
+    setEditorProjectContextId(projectId);
+  }, [projectId, setEditorProjectContextId]);
   const applyGeneratedProjectSnapshot = useCallback(
     (project: EditorProjectSnapshot) => {
       applyProjectSnapshot(project);
@@ -1890,7 +1897,6 @@ export function ImageCanvasEditorView({
     getCanvasPointFromClient,
   };
   const topbarProps = {
-    projectId,
     projectTitle,
     projectRenameValue,
     isRenamingProject,
@@ -1919,7 +1925,6 @@ export function ImageCanvasEditorView({
     },
   };
   const stageProps = {
-    projectId,
     canvasViewportRef,
     specToolWrapRef,
     musicToolWrapRef,
diff --git a/src/components/image-editor/ImageCanvasStageView.tsx b/src/components/image-editor/ImageCanvasStageView.tsx
index 68ba896b0..3867fb717 100644
--- a/src/components/image-editor/ImageCanvasStageView.tsx
+++ b/src/components/image-editor/ImageCanvasStageView.tsx
@@ -41,7 +41,6 @@ import { ImageCanvasUiAssetExtractionOverlayView } from './ImageCanvasUiAssetExt
 import { ImageCanvasWorldView } from './ImageCanvasWorldView';
 
 export type ImageCanvasStageViewProps = {
-  projectId?: string | null;
   canvasViewportRef: RefObject<HTMLDivElement | null>;
   specToolWrapRef: RefObject<HTMLSpanElement | null>;
   musicToolWrapRef: RefObject<HTMLSpanElement | null>;
@@ -192,7 +191,6 @@ export type ImageCanvasStageViewProps = {
 };
 
 export function ImageCanvasStageView({
-  projectId,
   canvasViewportRef,
   specToolWrapRef,
   musicToolWrapRef,
@@ -463,7 +461,6 @@ export function ImageCanvasStageView({
       />
 
       <ImageCanvasTaskSidebarView
-        projectId={projectId}
         refreshKey={taskListRefreshKey}
         open={isTaskSidebarOpen}
         onToggleOpen={onToggleTaskSidebar}
@@ -472,7 +469,6 @@ export function ImageCanvasStageView({
 
       {isAgentConversationEnabled ? (
         <EditorAgentConversationPanelView
-          projectId={projectId}
           open={isAgentConversationOpen}
           onToggleOpen={onToggleAgentConversation}
           layers={layers}
diff --git a/src/components/image-editor/ImageCanvasTaskSidebarView.test.tsx b/src/components/image-editor/ImageCanvasTaskSidebarView.test.tsx
index e3ffc43e5..41fed163c 100644
--- a/src/components/image-editor/ImageCanvasTaskSidebarView.test.tsx
+++ b/src/components/image-editor/ImageCanvasTaskSidebarView.test.tsx
@@ -6,6 +6,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';
 import type { ExternalGenerationTaskRecord } from '../../../packages/shared/src/contracts/externalGeneration';
 import { listExternalGenerationTasks } from '../../services/external-generation';
 import { ImageCanvasTaskSidebarView } from './ImageCanvasTaskSidebarView';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 
 vi.mock('../../services/external-generation', () => ({
   listExternalGenerationTasks: vi.fn().mockResolvedValue({
@@ -22,6 +23,7 @@ vi.mock('../../services/external-generation', () => ({
 const listExternalGenerationTasksMock = vi.mocked(listExternalGenerationTasks);
 
 beforeEach(() => {
+  useImageCanvasContextStore.getState().setProjectId('project-1');
   listExternalGenerationTasksMock.mockClear();
   listExternalGenerationTasksMock.mockResolvedValue({
     overview: {
@@ -115,7 +117,6 @@ describe('ImageCanvasTaskSidebarView', () => {
     render(
       <div onWheel={parentWheel}>
         <ImageCanvasTaskSidebarView
-          projectId="project-1"
           open
           onToggleOpen={vi.fn()}
           onFocusExternalTask={focusExternalTask}
@@ -230,7 +231,6 @@ describe('ImageCanvasTaskSidebarView', () => {
 
     render(
       <ImageCanvasTaskSidebarView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         onFocusExternalTask={vi.fn()}
@@ -287,7 +287,6 @@ describe('ImageCanvasTaskSidebarView', () => {
 
     render(
       <ImageCanvasTaskSidebarView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         onFocusExternalTask={vi.fn()}
@@ -325,7 +324,6 @@ describe('ImageCanvasTaskSidebarView', () => {
 
     const { rerender } = render(
       <ImageCanvasTaskSidebarView
-        projectId="project-1"
         refreshKey={0}
         open
         onToggleOpen={vi.fn()}
@@ -347,7 +345,6 @@ describe('ImageCanvasTaskSidebarView', () => {
     ];
     rerender(
       <ImageCanvasTaskSidebarView
-        projectId="project-1"
         refreshKey={1}
         open
         onToggleOpen={vi.fn()}
@@ -388,7 +385,6 @@ describe('ImageCanvasTaskSidebarView', () => {
 
     render(
       <ImageCanvasTaskSidebarView
-        projectId="project-1"
         open
         onToggleOpen={vi.fn()}
         onFocusExternalTask={vi.fn()}
diff --git a/src/components/image-editor/ImageCanvasTaskSidebarView.tsx b/src/components/image-editor/ImageCanvasTaskSidebarView.tsx
index 08228595f..a63b12682 100644
--- a/src/components/image-editor/ImageCanvasTaskSidebarView.tsx
+++ b/src/components/image-editor/ImageCanvasTaskSidebarView.tsx
@@ -19,6 +19,7 @@ import type { ExternalGenerationTaskRecord } from '../../../packages/shared/src/
 import { listExternalGenerationTasks } from '../../services/external-generation';
 import { EditorIconButton } from './ImageCanvasEditorPrimitives';
 import type { CanvasTaskStatus } from './ImageCanvasEditorTypes';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 
 const COMPLETED_TASK_LIST_LIMIT = 20;
 const COMPLETED_TASK_LIST_MAX_LIMIT = 100;
@@ -42,7 +43,6 @@ type TaskSidebarItem = {
 };
 
 type ImageCanvasTaskSidebarViewProps = {
-  projectId?: string | null;
   refreshKey?: number;
   open: boolean;
   onToggleOpen: () => void;
@@ -252,12 +252,12 @@ function trimStoredExternalTasks(
 }
 
 export function ImageCanvasTaskSidebarView({
-  projectId,
   refreshKey = 0,
   open,
   onToggleOpen,
   onFocusExternalTask,
 }: ImageCanvasTaskSidebarViewProps) {
+  const projectId = useImageCanvasContextStore((state) => state.projectId);
   const normalizedProjectId = projectId?.trim() ?? '';
   const [activeTab, setActiveTab] = useState<TaskSidebarTab>('active');
   const [now, setNow] = useState(() => Date.now());
diff --git a/src/components/image-editor/ImageCanvasTopbarView.test.tsx b/src/components/image-editor/ImageCanvasTopbarView.test.tsx
index b9f2c584b..ba0c69689 100644
--- a/src/components/image-editor/ImageCanvasTopbarView.test.tsx
+++ b/src/components/image-editor/ImageCanvasTopbarView.test.tsx
@@ -5,6 +5,7 @@ import { describe, expect, it, vi } from 'vitest';
 
 import type { CanvasLayer } from './ImageCanvasEditorTypes';
 import { ImageCanvasTopbarView } from './ImageCanvasTopbarView';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 
 function createLayer(overrides: Partial<CanvasLayer> = {}): CanvasLayer {
   const id = overrides.id ?? 'layer-a';
@@ -30,8 +31,8 @@ function renderTopbar(
     Parameters<typeof ImageCanvasTopbarView>[0]
   > = {},
 ) {
+  useImageCanvasContextStore.getState().setProjectId('project-a');
   const props: Parameters<typeof ImageCanvasTopbarView>[0] = {
-    projectId: 'project-a',
     projectTitle: '默认项目',
     projectRenameValue: '默认项目',
     isRenamingProject: false,
@@ -144,7 +145,6 @@ describe('ImageCanvasTopbarView', () => {
     const exportCanvasAssets = vi.fn();
     const { rerender } = render(
       <ImageCanvasTopbarView
-        projectId="project-a"
         projectTitle="默认项目"
         projectRenameValue="默认项目"
         isRenamingProject={false}
@@ -175,7 +175,6 @@ describe('ImageCanvasTopbarView', () => {
 
     rerender(
       <ImageCanvasTopbarView
-        projectId="project-a"
         projectTitle="默认项目"
         projectRenameValue="默认项目"
         isRenamingProject={false}
diff --git a/src/components/image-editor/ImageCanvasTopbarView.tsx b/src/components/image-editor/ImageCanvasTopbarView.tsx
index f1b10df33..d1698c9ce 100644
--- a/src/components/image-editor/ImageCanvasTopbarView.tsx
+++ b/src/components/image-editor/ImageCanvasTopbarView.tsx
@@ -12,9 +12,9 @@ import { PlatformTextField } from '../common/PlatformTextField';
 import { EditorIconButton } from './ImageCanvasEditorPrimitives';
 import type { CanvasLayer } from './ImageCanvasEditorTypes';
 import type { AssetExportStatus } from './useImageCanvasAssetExportWorkflow';
+import { useImageCanvasContextStore } from './useImageCanvasContextStore.ts';
 
 export type ImageCanvasTopbarViewProps = {
-  projectId: string | null;
   projectTitle: string;
   projectRenameValue: string;
   isRenamingProject: boolean;
@@ -57,7 +57,6 @@ function buildCanvasUserCode(
 }
 
 export function ImageCanvasTopbarView({
-  projectId,
   projectTitle,
   projectRenameValue,
   isRenamingProject,
@@ -79,6 +78,7 @@ export function ImageCanvasTopbarView({
   onOpenWallet,
   onOpenAccount,
 }: ImageCanvasTopbarViewProps) {
+  const projectId = useImageCanvasContextStore((state) => state.projectId);
   const hasExportableLayer = layers.some(
     (layer) => layer.src.trim().length > 0,
   );
diff --git a/src/components/image-editor/useImageCanvasContextStore.ts b/src/components/image-editor/useImageCanvasContextStore.ts
new file mode 100644
index 000000000..0869656f5
--- /dev/null
+++ b/src/components/image-editor/useImageCanvasContextStore.ts
@@ -0,0 +1,14 @@
+import { create } from 'zustand';
+
+type ImageCanvasContextState = {
+  projectId: string | null;
+  setProjectId: (projectId?: string | null) => void;
+};
+
+export const useImageCanvasContextStore =
+  create<ImageCanvasContextState>((set) => ({
+    projectId: null,
+    setProjectId: (projectId) => {
+      set({ projectId: projectId?.trim() || null });
+    },
+  }));