fix(POSTV1-07): 自动关闭编辑器操作提示

apps/web/src/editor-page.css

@@ -1,9 +1,12 @@
 .editor-page-shell {
-  min-height: 100vh;
+  height: 100vh;
+  height: 100dvh;
+  min-height: 0;
   display: grid;
   grid-template-rows: 56px minmax(0, 1fr) 32px;
   background: #e8e8e5;
   color: #111111;
+  overflow: hidden;
 }
 
 .editor-page-shell :focus-visible {
@@ -124,6 +127,7 @@
   display: grid;
   grid-template-columns: 280px minmax(0, 1fr) 320px;
   min-height: 0;
+  overflow: hidden;
 }
 
 .editor-assets-panel,
@@ -542,13 +546,13 @@
 }
 
 @media (max-width: 760px) {
-  .editor-page-shell { grid-template-rows: auto minmax(0, 1fr) auto; }
+  .editor-page-shell { height: auto; min-height: 100dvh; grid-template-rows: auto minmax(0, 1fr) auto; overflow: visible; }
   .editor-toolbar { display: flex; min-height: 56px; flex-wrap: wrap; gap: 8px; padding: 8px 10px; }
   .editor-title { min-width: 0; flex: 1 1 calc(100% - 56px); }
   .editor-history-actions { order: 3; }
   .editor-save-status { order: 4; flex: 1 1 128px; }
   .editor-toolbar-controls > button { display: block; order: 5; }
-  .editor-layout { grid-template-columns: 1fr; }
+  .editor-layout { grid-template-columns: 1fr; overflow: visible; }
   .editor-assets-panel, .editor-inspector { border: 0; }
   .editor-assets-panel { order: 2; }
   .editor-inspector { order: 3; }

apps/web/src/editor-page.tsx

@@ -160,6 +160,20 @@ export function EditorPage({ projectId }: { projectId: string }) {
   const conflictExportGuardRef = useRef(new ConflictExportGuard());
   const candidateMenuRef = useRef<HTMLDivElement | null>(null);
   const candidateTriggerRef = useRef<HTMLButtonElement | null>(null);
+  const noticeTimerRef = useRef<ReturnType<typeof setTimeout> | undefined>(undefined);
+
+  function showNotice(message: string) {
+    if (noticeTimerRef.current) clearTimeout(noticeTimerRef.current);
+    setNotice(message);
+    noticeTimerRef.current = setTimeout(() => {
+      setNotice("");
+      noticeTimerRef.current = undefined;
+    }, 3_000);
+  }
+
+  useEffect(() => () => {
+    if (noticeTimerRef.current) clearTimeout(noticeTimerRef.current);
+  }, []);
 
   useEffect(() => {
     let active = true;
@@ -175,7 +189,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
       setDraftAdjustments(initial.background.adjustments);
       historyRef.current = new CanvasEditHistory(initial);
       elementControllerRef.current = new CanvasElementController(initial);
-    }).catch(() => { if (active) setNotice("编辑器暂时无法读取项目"); });
+    }).catch(() => { if (active) showNotice("编辑器暂时无法读取项目"); });
     return () => { active = false; };
   }, [projectId]);
 
@@ -291,7 +305,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
   function applyPreview() {
     if (!canvasState) return;
     commitCanvas(updateBackgroundAdjustments(canvasState, draftAdjustments));
-    setNotice("底图调整已提交");
+    showNotice("底图调整已提交");
   }
 
   function undo() {
@@ -334,9 +348,9 @@ export function EditorPage({ projectId }: { projectId: string }) {
       const palette = await paletteForAsset(pendingBackground);
       commitCanvas(switchBackground(canvasState, pendingBackground, palette));
       setPendingBackground(undefined);
-      setNotice("已更换底图，覆盖元素保留，底图处理已重置");
+      showNotice("已更换底图，覆盖元素保留，底图处理已重置");
     } catch {
-      setNotice("新底图无法读取，未更换底图或刷新色卡");
+      showNotice("新底图无法读取，未更换底图或刷新色卡");
     }
   }
 
@@ -353,7 +367,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     commitCanvas(next);
     setGuides([]);
     setCandidateMenu(undefined);
-    setNotice(message);
+    showNotice(message);
   }
 
   function addSticker(sticker: StaticStickerCatalogItem) {
@@ -369,8 +383,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
       }));
       commitElementOperation(controller, "贴纸已加入画布");
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
-      else setNotice("贴纸未能加入画布");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
+      else showNotice("贴纸未能加入画布");
     }
   }
 
@@ -383,8 +397,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
       controller.add(createColorCardElement(definition, palette, newElementIdentity(), canvasState.elements.length));
       commitElementOperation(controller, "色卡已按原始底图加入画布");
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
-      else setNotice("无法从原始底图稳定提取五色，色卡未加入画布");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
+      else showNotice("无法从原始底图稳定提取五色，色卡未加入画布");
     }
   }
 
@@ -394,7 +408,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     if (templateId === "DYN012") {
       const font = fontOption("FONT081");
       if (!font || await ensureFont(font.fontId, font.url) !== "ready") {
-        setNotice("DYN012 的 FONT081 替代字体不可用，未使用系统字体替代。");
+        showNotice("DYN012 的 FONT081 替代字体不可用，未使用系统字体替代。");
         return;
       }
     }
@@ -407,8 +421,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
       commitElementOperation(controller, "动态值已确认并加入画布");
       setLocationDialog(undefined);
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
-      else setNotice("动态贴纸未能加入画布");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
+      else showNotice("动态贴纸未能加入画布");
     }
   }
 
@@ -456,7 +470,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
       controller.replaceElement(overrideDynamicStickerValue(element, value));
       commitElementOperation(controller, "动态贴纸显示文字已更新");
     } catch {
-      setNotice("动态贴纸显示文字不能为空");
+      showNotice("动态贴纸显示文字不能为空");
     }
   }
 
@@ -480,7 +494,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     if (!template.fontUrl || !canvasState) return;
     const status = await ensureFont(template.defaultFontId, template.fontUrl);
     if (status !== "ready") {
-      setNotice("素材暂不可用，未使用系统字体替代。");
+      showNotice("素材暂不可用，未使用系统字体替代。");
       return;
     }
     const controller = controllerForCurrent();
@@ -490,8 +504,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
       commitElementOperation(controller, "文字模板已加入画布");
       void recordRecentTextTemplate(template.templateId, template.resourceVersion);
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
-      else setNotice("文字模板未能加入画布");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
+      else showNotice("文字模板未能加入画布");
     }
   }
 
@@ -503,7 +517,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
         action(edit);
         return { ...current, draft: edit.value };
       } catch {
-        setNotice("文字参数不在允许范围内");
+        showNotice("文字参数不在允许范围内");
         return current;
       }
     });
@@ -514,7 +528,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     if (!template?.fontUrl) return;
     const status = await ensureFont(template.defaultFontId, template.fontUrl);
     if (status !== "ready") {
-      setNotice("素材暂不可用，未使用系统字体替代。");
+      showNotice("素材暂不可用，未使用系统字体替代。");
       return;
     }
     updateTextDraft((edit) => edit.switchTemplate(templateId));
@@ -527,7 +541,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     }
     const option = fontOption(fontId);
     if (!option || await ensureFont(option.fontId, option.url) !== "ready") {
-      setNotice("字体素材暂不可用，未使用系统字体替代。");
+      showNotice("字体素材暂不可用，未使用系统字体替代。");
       return;
     }
     updateTextDraft((edit) => edit.setStyle({ fontOverride: fontId }));
@@ -546,8 +560,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
         void recordRecentTextTemplate(complete.template_or_asset_id, complete.resource_version);
       }
     } catch (error) {
-      if (error instanceof Error && error.message === "text_content_required") setNotice("请输入文字内容或删除该元素。");
-      else setNotice("文字编辑未能完成");
+      if (error instanceof Error && error.message === "text_content_required") showNotice("请输入文字内容或删除该元素。");
+      else showNotice("文字编辑未能完成");
     }
   }
 
@@ -556,7 +570,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
       const current = canvasState.elements.find((element) => element.element_id === textEdit.elementId);
       if (current) setTextEdit({ draft: structuredClone(current), elementId: current.element_id, originalTemplateId: current.template_or_asset_id });
     }
-    setNotice("已取消未提交的文字修改");
+    showNotice("已取消未提交的文字修改");
   }
 
   function pendingTextDraft() {
@@ -624,7 +638,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
       return;
     }
     const ran = await conflictExportGuardRef.current.run(() => executeExport(options));
-    if (!ran) setNotice("版本冲突时仅允许导出本页版本一次");
+    if (!ran) showNotice("版本冲突时仅允许导出本页版本一次");
   }
 
   async function retryExportDownload() {
@@ -639,8 +653,8 @@ export function EditorPage({ projectId }: { projectId: string }) {
       action(controller);
       commitElementOperation(controller, message);
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
-      else setNotice("对象操作未完成");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
+      else showNotice("对象操作未完成");
     }
   }
 
@@ -668,7 +682,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     opacityGestureRef.current = undefined;
     if (gesture.last === gesture.base) return;
     commitCanvas(gesture.last);
-    setNotice("贴纸透明度已提交");
+    showNotice("贴纸透明度已提交");
   }
 
   function duplicateSelection() {
@@ -688,7 +702,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     const controller = controllerForCurrent();
     if (!controller || selectedIds.length === 0) return;
     clipboardRef.current = controller.copySelected();
-    setNotice("已复制到画布剪贴板");
+    showNotice("已复制到画布剪贴板");
   }
 
   function pasteSelection() {
@@ -698,7 +712,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
       controller.pasteElements(clipboardRef.current, () => newElementIdentity());
       commitElementOperation(controller, "已粘贴画布对象");
     } catch (error) {
-      if (error instanceof Error && error.message === "canvas_element_limit_reached") setNotice("画布最多 50 个元素，请先删除现有元素。");
+      if (error instanceof Error && error.message === "canvas_element_limit_reached") showNotice("画布最多 50 个元素，请先删除现有元素。");
     }
   }
 
@@ -728,7 +742,7 @@ export function EditorPage({ projectId }: { projectId: string }) {
     const drag = dragRef.current;
     if (!drag) return;
     commitCanvas(drag.last);
-    setNotice("对象位置已提交");
+    showNotice("对象位置已提交");
     setGuides([]);
     dragRef.current = undefined;
   }

apps/web/src/editor-stage.tsx

@@ -12,12 +12,17 @@ import { drawColorCard } from "./palette-provider.js";
 
 interface Gesture {
   append: boolean;
+  bounds: DOMRect;
   hit: boolean;
   longPressOpened: boolean;
+  moved: boolean;
   pointerId: number;
   start: CanvasPoint;
+  startClient: CanvasPoint;
 }
 
+const DRAG_THRESHOLD_PX = 4;
+
 interface EditorStageProps {
   assetId: string | null;
   canvasState: CanvasState;
@@ -38,11 +43,10 @@ interface EditorStageProps {
   selectedIds: readonly string[];
 }
 
-function pointFromEvent(event: PointerEvent<HTMLCanvasElement>): CanvasPoint {
-  const bounds = event.currentTarget.getBoundingClientRect();
+function pointFromClient(clientX: number, clientY: number, bounds: DOMRect): CanvasPoint {
   return {
-    x: Math.max(0, Math.min(1, (event.clientX - bounds.left) / bounds.width)),
-    y: Math.max(0, Math.min(1, (event.clientY - bounds.top) / bounds.height)),
+    x: Math.max(0, Math.min(1, (clientX - bounds.left) / bounds.width)),
+    y: Math.max(0, Math.min(1, (clientY - bounds.top) / bounds.height)),
   };
 }
 
@@ -356,10 +360,14 @@ export function EditorStage(props: EditorStageProps) {
 
   function handlePointerDown(event: PointerEvent<HTMLCanvasElement>) {
     if (event.button !== 0) return;
-    const start = pointFromEvent(event);
+    const bounds = event.currentTarget.getBoundingClientRect();
+    const start = pointFromClient(event.clientX, event.clientY, bounds);
     const append = event.shiftKey;
     const hit = props.onSelect(start, append);
-    gestureRef.current = { append, hit, longPressOpened: false, pointerId: event.pointerId, start };
+    gestureRef.current = {
+      append, bounds, hit, longPressOpened: false, moved: false, pointerId: event.pointerId, start,
+      startClient: { x: event.clientX, y: event.clientY },
+    };
     event.currentTarget.setPointerCapture(event.pointerId);
     longPressRef.current = setTimeout(() => {
       const gesture = gestureRef.current;
@@ -375,9 +383,11 @@ export function EditorStage(props: EditorStageProps) {
       props.onPointerMoved();
       return;
     }
-    const point = pointFromEvent(event);
+    const clientDistance = Math.hypot(event.clientX - gesture.startClient.x, event.clientY - gesture.startClient.y);
+    if (!gesture.moved && clientDistance < DRAG_THRESHOLD_PX) return;
+    gesture.moved = true;
+    const point = pointFromClient(event.clientX, event.clientY, gesture.bounds);
     const delta = { x: point.x - gesture.start.x, y: point.y - gesture.start.y };
-    if (Math.abs(delta.x) + Math.abs(delta.y) < 0.003) return;
     if (longPressRef.current) clearTimeout(longPressRef.current);
     props.onPointerMoved();
     if (gesture.hit && !gesture.longPressOpened) props.onMovePreview(delta);
@@ -388,11 +398,18 @@ export function EditorStage(props: EditorStageProps) {
     const gesture = gestureRef.current;
     if (!gesture || gesture.pointerId !== event.pointerId) return;
     if (longPressRef.current) clearTimeout(longPressRef.current);
-    const point = pointFromEvent(event);
-    const delta = { x: point.x - gesture.start.x, y: point.y - gesture.start.y };
-    const moved = Math.abs(delta.x) + Math.abs(delta.y) >= 0.003;
+    const clientDistance = Math.hypot(event.clientX - gesture.startClient.x, event.clientY - gesture.startClient.y);
+    const moved = gesture.moved || clientDistance >= DRAG_THRESHOLD_PX;
+    if (moved && !gesture.moved && !gesture.longPressOpened) {
+      const point = pointFromClient(event.clientX, event.clientY, gesture.bounds);
+      const delta = { x: point.x - gesture.start.x, y: point.y - gesture.start.y };
+      if (gesture.hit) props.onMovePreview(delta);
+    }
     if (gesture.hit && moved && !gesture.longPressOpened) props.onMoveCommit();
-    else if (!gesture.hit && moved) props.onMarquee({ height: delta.y, width: delta.x, x: gesture.start.x, y: gesture.start.y }, gesture.append);
+    else if (!gesture.hit && moved) {
+      const point = pointFromClient(event.clientX, event.clientY, gesture.bounds);
+      props.onMarquee({ height: point.y - gesture.start.y, width: point.x - gesture.start.x, x: gesture.start.x, y: gesture.start.y }, gesture.append);
+    }
     setMarquee(undefined);
     gestureRef.current = undefined;
     event.currentTarget.releasePointerCapture(event.pointerId);

apps/worker/src/worker.ts

@@ -107,7 +107,5 @@ if (!workerPort && process.argv.includes("--dada-ai-probe")) {
   } catch {
     storageStatus = "unavailable";
     control.reportStatus("storage_unavailable");
-    clearInterval(keepAlive);
-    setTimeout(() => process.exit(1), 50);
   }
 }

supervisor/Dada.Supervisor/Program.cs

@@ -30,10 +30,7 @@ internal static class Program
             };
             var state = await runtime.StartAsync();
             if (!form.IsDisposed) form.SetState(state);
-            if (state == SupervisorState.Ready && !SupervisorForm.OpenProductInSupportedBrowser())
-            {
-                form.SetBrowserLaunchFailure();
-            }
+            if (state == SupervisorState.Ready) SupervisorForm.OpenProductInSupportedBrowser();
         }
         form.Shown += async (_, _) => await StartRuntimeAsync();
         form.RestartRequested += async () => await StartRuntimeAsync();

supervisor/Dada.Supervisor/SupervisorForm.cs

@@ -26,7 +26,6 @@ internal sealed class SupervisorForm : Form
         Font = new Font("Segoe UI", 9F);
         FormBorderStyle = FormBorderStyle.FixedDialog;
         MaximizeBox = false;
-        ShowInTaskbar = true;
         StartPosition = FormStartPosition.CenterScreen;
         Text = "Dada";
 
@@ -91,6 +90,10 @@ internal sealed class SupervisorForm : Form
         trayIcon.DoubleClick += (_, _) => RestoreWindow();
 
         FormClosing += (_, _) => trayIcon.Visible = false;
+        Resize += (_, _) =>
+        {
+            if (WindowState == FormWindowState.Minimized) Hide();
+        };
         SetState(initialState);
     }
 
@@ -136,14 +139,6 @@ internal sealed class SupervisorForm : Form
         Activate();
     }
 
-    internal void SetBrowserLaunchFailure()
-    {
-        if (state == SupervisorState.Ready)
-        {
-            statusDetail.Text = "本机服务运行正常，但未能自动打开浏览器；请点击“打开 Dada”或选择浏览器。";
-        }
-    }
-
     protected override void Dispose(bool disposing)
     {
         if (disposing) trayIcon.Dispose();

supervisor/Dada.Supervisor/SupportedBrowserLauncher.cs

@@ -1,4 +1,3 @@
-using System.ComponentModel;
 using System.Diagnostics;
 using Microsoft.Win32;
 
@@ -14,20 +13,10 @@ internal static class SupportedBrowserLauncher
     {
         var executable = FindExecutable(executableName);
         if (executable is null) return false;
-        try
-        {
-            var startInfo = new ProcessStartInfo(executable) { UseShellExecute = false };
-            startInfo.ArgumentList.Add(uri.AbsoluteUri);
-            return Process.Start(startInfo) is not null;
-        }
-        catch (Win32Exception)
-        {
-            return false;
-        }
-        catch (InvalidOperationException)
-        {
-            return false;
-        }
+        var startInfo = new ProcessStartInfo(executable) { UseShellExecute = false };
+        startInfo.ArgumentList.Add(uri.AbsoluteUri);
+        Process.Start(startInfo);
+        return true;
     }
 
     private static string? FindExecutable(string executableName)

tests/e2e/wp4-03-text-editor.spec.ts

@@ -212,3 +212,81 @@ test("TDD-WP4-TXT-002 waits for the archived font and commits exact style ranges
   writeEvidence("TDD-WP4-TXT-002-font-metrics-ranges", "pixel-diff.json", { background_alpha_separate: true, clipped_visible_text: false, effective_font_size: 96 });
   if (process.env.DADA_EVIDENCE_DIR_TEXT_EDITOR) await page.screenshot({ fullPage: true, path: resolve(process.env.DADA_EVIDENCE_DIR_TEXT_EDITOR, "TDD-WP4-TXT-002-font-metrics-ranges", "font-styles.png") });
 });
+
+test("POSTV1-07 keeps the canvas anchored when the text template panel opens", async ({ page }) => {
+  const projectId = uuid(760);
+  const backend: Backend = { canvas: emptyCanvas(), recent: [], saves: 0, version: 5 };
+  await routeEditor(page, projectId, backend);
+  await page.goto(`${webUrl}/app/projects/${projectId}/editor`);
+
+  const stage = page.getByLabel("编辑画布");
+  const before = await stage.boundingBox();
+  if (!before) throw new Error("Canvas geometry is unavailable before opening text templates.");
+
+  await page.getByRole("button", { name: "文字模板", exact: true }).click();
+  await expect(page.locator(".editor-template-grid button")).toHaveCount(32);
+  const after = await stage.boundingBox();
+  if (!after) throw new Error("Canvas geometry is unavailable after opening text templates.");
+  const assetsPanelScroll = await page.getByLabel("素材与底图来源").evaluate((panel) => ({
+    clientHeight: panel.clientHeight,
+    overflowY: getComputedStyle(panel).overflowY,
+    scrollHeight: panel.scrollHeight,
+  }));
+
+  expect(Math.abs(after.x - before.x)).toBeLessThanOrEqual(1);
+  expect(Math.abs(after.y - before.y)).toBeLessThanOrEqual(1);
+  expect(Math.abs(after.width - before.width)).toBeLessThanOrEqual(1);
+  expect(Math.abs(after.height - before.height)).toBeLessThanOrEqual(1);
+  expect(assetsPanelScroll.overflowY).toBe("auto");
+  expect(assetsPanelScroll.scrollHeight).toBeGreaterThan(assetsPanelScroll.clientHeight);
+});
+
+test("POSTV1-07 keeps text selection stable and dismisses move feedback", async ({ page }) => {
+  const projectId = uuid(770);
+  const backend: Backend = { canvas: emptyCanvas(), recent: [], saves: 0, version: 6 };
+  await routeEditor(page, projectId, backend);
+  await page.goto(`${webUrl}/app/projects/${projectId}/editor`);
+  await page.getByRole("button", { name: "文字模板", exact: true }).click();
+  await page.getByRole("button", { name: /H003 生活分享家/ }).click();
+  await expect.poll(() => backend.canvas.elements.length).toBe(1);
+  await expect.poll(() => backend.saves, { timeout: 5_000 }).toBeGreaterThan(0);
+
+  await page.reload();
+  const stage = page.getByLabel("编辑画布");
+  const bounds = await stage.boundingBox();
+  const element = backend.canvas.elements[0];
+  if (!bounds || !element) throw new Error("Text selection geometry is unavailable.");
+  const positionBefore = structuredClone(element.position);
+  const savesBefore = backend.saves;
+  const clientX = bounds.x + bounds.width * element.position.x;
+  const clientY = bounds.y + bounds.height * element.position.y;
+
+  await page.mouse.move(clientX, clientY);
+  await page.mouse.down();
+  await expect(page.getByLabel("字体覆盖")).toBeVisible();
+  const selectedBounds = await stage.boundingBox();
+  const inspectorScroll = await page.getByLabel("对象参数").evaluate((panel) => ({
+    clientHeight: panel.clientHeight,
+    overflowY: getComputedStyle(panel).overflowY,
+    scrollHeight: panel.scrollHeight,
+  }));
+  if (!selectedBounds) throw new Error("Canvas geometry is unavailable after selecting text.");
+  expect(Math.abs(selectedBounds.y - bounds.y)).toBeLessThanOrEqual(1);
+  expect(inspectorScroll.overflowY).toBe("auto");
+  expect(inspectorScroll.scrollHeight).toBeGreaterThan(inspectorScroll.clientHeight);
+  await page.mouse.move(clientX + 1, clientY);
+  await page.mouse.up();
+
+  await expect(page.getByLabel("字体覆盖")).toBeVisible();
+  await page.waitForTimeout(800);
+  expect(backend.canvas.elements[0]?.position).toEqual(positionBefore);
+  expect(backend.saves).toBe(savesBefore);
+
+  await page.mouse.move(clientX, clientY);
+  await page.mouse.down();
+  await page.mouse.move(clientX + 12, clientY);
+  await page.mouse.up();
+  await expect(page.getByText("对象位置已提交", { exact: true })).toBeVisible();
+  await expect.poll(() => backend.saves, { timeout: 5_000 }).toBeGreaterThan(savesBefore);
+  await expect(page.getByText("对象位置已提交", { exact: true })).toBeHidden({ timeout: 5_000 });
+});