feat(desktop): mature generated files workbar

apps/desktop/e2e/fixtures.ts

@@ -305,6 +305,7 @@ export const test = base.extend<{
   sandboxBoundaryWindow: Page;
   readOnlyBoundaryWindow: Page;
   sessionWorkbarWindow: Page;
+  artifactPaneWindow: Page;
   botSettingsWindow: Page;
   invocableSkillsWindow: Page;
   settingsProjectsWindow: Page;
@@ -389,6 +390,17 @@ export const test = base.extend<{
       use,
     );
   },
+  artifactPaneWindow: async ({}, use) => {
+    await withE2eWindow(
+      {
+        seed: false,
+        readinessSelector: '.maka-artifact-list',
+        e2eFixtureScenario: 'artifact-pane',
+        locale: 'zh',
+      },
+      use,
+    );
+  },
   // Remote access: uses the e2e-fixture workspace so Settings opens on the
   // channel catalog and main injects deterministic IM onboarding adapters.
   // The renderer still talks through the real preload/IPC/session authority.

apps/desktop/e2e/session-workbar.spec.ts

@@ -1,5 +1,35 @@
 import { test, expect } from './fixtures';
 
+test('generated files use list-to-preview navigation with a compact action menu', async ({ artifactPaneWindow: page }) => {
+  const pane = page.getByRole('region', { name: '生成文件预览面板' });
+  const list = pane.getByRole('listbox', { name: '生成文件列表' });
+  const notes = list.getByRole('option', { name: 'notes.md' });
+
+  await expect(list).toBeVisible();
+  await notes.click();
+
+  await expect(list).toHaveCount(0);
+  await expect(pane.getByRole('region', { name: '预览 notes.md' })).toBeVisible();
+  await expect(pane.getByRole('button', { name: '返回生成文件列表' })).toBeVisible();
+
+  await pane.getByRole('button', { name: 'notes.md 的更多操作' }).click();
+  await expect(page.getByRole('menuitem', { name: '在 Finder 中打开' })).toBeVisible();
+  await expect(page.getByRole('menuitem', { name: '另存为' })).toBeVisible();
+  await expect(page.getByRole('menuitem', { name: '复制' })).toBeVisible();
+  await expect(page.getByRole('menuitem', { name: '删除' })).toBeVisible();
+  await page.keyboard.press('Escape');
+
+  await pane.getByRole('button', { name: '返回生成文件列表' }).click();
+  await expect(list).toBeVisible();
+  await expect(list).toBeFocused();
+
+  await list.press('Enter');
+  await expect(list).toHaveCount(0);
+  await page.keyboard.press('Escape');
+  await expect(list).toBeVisible();
+  await expect(list).toBeFocused();
+});
+
 // Workbar product journey. Narrow max-height and "toggle unmounted without a
 // session" are pinned in chat-shell-layout-contract (CSS + chrome actions source).
 test('session tools share one user-controlled workbar that stays mounted across repeated collapse', async ({ sessionWorkbarWindow: page }) => {
@@ -13,8 +43,8 @@ test('session tools share one user-controlled workbar that stays mounted across
   await expect(tabs.getByRole('tab', { name: /浏览器/ })).toHaveCount(0);
   const launcher = workbar.getByRole('button', { name: '打开工作栏标签' });
   await launcher.click();
-  await expect(page.getByRole('menuitem', { name: '文件' })).toBeEnabled();
-  await page.getByRole('menuitem', { name: '任务' }).click();
+  await expect(page.getByRole('menuitem', { name: '生成文件' })).toBeEnabled();
+  await page.keyboard.press('Escape');
   await expect(
     page
       .getByLabel('活跃会话任务')
@@ -122,7 +152,7 @@ test('session tools share one user-controlled workbar that stays mounted across
   await expect(rightWorkbar).toHaveCSS('width', '511px');
 
   await rightWorkbar.getByRole('button', { name: '打开工作栏标签' }).click();
-  await page.getByRole('menuitem', { name: '文件' }).click();
+  await page.getByRole('menuitem', { name: '生成文件' }).click();
   await expect(page.getByText('暂无生成文件')).toBeVisible();
 
   // The record-file row is a fact about the workspace, not the session: it

apps/desktop/src/main/e2e-fixture.ts

@@ -171,8 +171,8 @@ const E2E_FIXTURE_SCENARIOS = new Set<E2eFixtureScenario>([
   'turn-control-branch-orphan',
   // PR-UI-RENDER-3a-smoke: registry-driven artifact preview fixtures.
   // Each shares the standard chat seed + same ARTIFACT_SESSION_ID but
-  // writes a different single artifact so the ArtifactPane default
-  // selection deterministically shows the artifact we want.
+  // writes a different single artifact so opening the only list row reaches
+  // the intended preview deterministically.
   'artifact-preview-image',
   'artifact-preview-unsupported',
   'artifact-preview-oversize',
@@ -462,8 +462,8 @@ function buildE2eFixtureState(fixture: E2eFixture | null): E2eFixtureState | nul
     case 'artifact-errors':
     // PR-UI-RENDER-3a-smoke: each preview scenario shares the same
     // chat session as `artifact-pane`; only the on-disk artifact
-    // varies. The ArtifactPane selects records[0] by default so the
-    // single seeded artifact is what gets rendered.
+    // varies. Each list contains exactly one row so the intended preview is
+    // deterministic after the normal list-to-preview interaction.
     case 'artifact-preview-image':
     case 'artifact-preview-unsupported':
     case 'artifact-preview-oversize':

apps/desktop/src/main/e2e-fixture/scenarios-artifacts.ts

@@ -49,9 +49,8 @@ export function artifactMessages(now: number): StoredMessage[] {
 export async function writeArtifacts(workspaceRoot: string, now: number, scenario: E2eFixtureScenario): Promise<void> {
   const root = join(workspaceRoot, 'artifacts');
   // PR-UI-RENDER-3a-smoke: dedicated preview scenarios get their
-  // own short artifact list (single artifact each) so the
-  // ArtifactPane default selection deterministically picks the one
-  // the fixture is meant to render. The `sizeBytesOverride`
+  // own short artifact list (single artifact each) so the normal list row
+  // deterministically opens the preview the fixture is meant to render. The `sizeBytesOverride`
   // field bypasses the post-write `stat().size` overwrite so we
   // can claim 3MB in metadata without writing 3MB to disk.
   type ArtifactSpec = {

apps/desktop/src/renderer/artifact-list-keyboard.ts

@@ -6,7 +6,8 @@
  * a11y review on PR108b: the artifact list MUST be a single tab stop with
  * ArrowUp/Down navigation + Enter to focus the preview area. Without this
  * helper the list would either (a) tab through every artifact row, or (b)
- * miss arrow-key navigation entirely.
+ * miss arrow-key navigation entirely. Activation opens the selected file in
+ * the pane's preview state; the helper stays independent of that view model.
  *
  * Each helper takes only the data needed to compute the transition. The
  * caller is responsible for `event.preventDefault()` so the keys don't
@@ -28,7 +29,7 @@ export type ArtifactListAction =
  *
  *  - ArrowDown / ArrowUp / Home / End → `select` (wraps at ends; if no
  *    selection yet, ArrowDown starts at 0 and ArrowUp at the last item)
- *  - Enter / Space on a selected row → `activate` (caller focuses preview)
+ *  - Enter / Space on a selected row → `activate` (caller opens preview)
  *  - Escape → `dismiss` (caller closes pane or returns focus to chat)
  *  - Any other key → `noop` (do not preventDefault)
  *