feat(workbench): dock task and chart workspaces

tests/browser/dynamic-investigation-flow.e2e.ts

@@ -168,7 +168,7 @@ test("调查报告展示 SVG 脉络、处置进展和报告版本，缺数正常
     expect(second).not.toBeNull();
     return [first!, second!].map((box) => ({ x: Math.round(box.x), y: Math.round(box.y), width: Math.round(box.width), height: Math.round(box.height) }));
   };
-  await expect(panel).toHaveCSS("width", "880px");
+  await expect(panel).toHaveAttribute("data-presentation", "workspace");
   const scheduledColumns = await captureColumns();
   await testInfo.attach("scheduled-tab-alignment", { body: await panel.screenshot({ path: testInfo.outputPath("scheduled-tab-alignment.png") }), contentType: "image/png" });
   await panel.getByRole("button", { name: /预约任务/ }).click();
@@ -378,7 +378,7 @@ test("调查报告展示 SVG 脉络、处置进展和报告版本，缺数正常
   await expect(panel.getByRole("button", { name: "确认并创建预约工单" })).toHaveCount(0);
   await page.getByRole("button", { name: "折叠 Agent 面板", exact: true }).click();
   await expect(page.getByRole("button", { name: /展开 Agent 助手面板/ })).toBeVisible();
-  await expect(panel).toHaveCSS("width", "880px");
+  await expect(panel).toHaveAttribute("data-presentation", "workspace");
   await panel.getByRole("heading", { name: "当前结果", exact: true }).scrollIntoViewIfNeeded();
   await testInfo.attach("insufficient-report-desktop", { body: await panel.screenshot({
     path: testInfo.outputPath("insufficient-report-desktop.png") }), contentType: "image/png" });
@@ -401,6 +401,7 @@ test("调查报告展示 SVG 脉络、处置进展和报告版本，缺数正常
     const mobileExpand = mobilePanel.getByRole("button", { name: "展开工况任务" });
     if (await mobileExpand.isVisible()) await mobileExpand.click();
     await mobilePanel.getByRole("button", { name: /调查任务/ }).click();
+    await mobilePanel.getByText("水质投诉动态调查", { exact: true }).first().click();
     await mobilePanel.getByLabel("调查脉络", { exact: true }).scrollIntoViewIfNeeded();
     await expect(mobilePanel.getByLabel("调查脉络", { exact: true }).locator("svg[id]")).toHaveCount(1);
     const mobileDiagram = mobilePanel.getByLabel("调查脉络", { exact: true });