feat: refocus project switching to dashboard workspace

CHANGELOG.md

@@ -323,3 +323,9 @@
 - `跟踪摘要 -> 标记已读` 完成后，会自动回到 `跟踪账号` 工作区，方便继续处理当天的下一条跟踪任务。
 - `切换当前 Agent` 后，会自动回到 `Agent -> 当前 Agent 工作台`，并聚焦到当前选中的 Agent，而不是只在原地刷新一句提示。
 - 前端回归新增了这两条断言，锁住“切换完成后继续工作”的落点体验。
+
+### 项目切换回到总台工作区
+
+- 切换当前项目后，现在会自动回到 `项目总台` 的首页工作区，并聚焦到 dashboard 主内容，而不是只留在原地刷新。
+- 项目切换的移动端 sheet 和桌面项目切换入口都共用这条回跳逻辑，方便切完项目后立刻继续推进当前项目。
+- 前端回归新增了 dashboard 工作区锚点和项目切换 refocus 断言，锁住这条落点体验。

web/storyforge-web-v4/assets/app.js

@@ -3302,7 +3302,7 @@ async function applySelectedProject(projectId = "") {
     setBusy(false, "");
   }
   rememberAction("当前项目已切换", `已切换到「${getSelectedProject()?.name || "所选项目"}」，你现在看到的首页、Agent 和任务都会跟随更新。`, "green");
-  renderAll();
+  focusDashboardWorkspace("dashboard-workspace-anchor");
 }
 
 function openDashboardProjectSwitcher() {
@@ -5562,7 +5562,7 @@ function renderDashboardScreen() {
     "先做最能推进当前项目的一步，再按需看概览。",
     `${button("新建项目", "create-project")} ${button("导入主页", "open-import-homepage")} ${button("创建 Agent", "open-create-assistant", "primary")}`,
     dashboardHomeRenderer?.renderDashboardHome
-      ? dashboardHomeRenderer.renderDashboardHome(homeModel, { escapeHtml })
+      ? `<div id="dashboard-workspace-anchor">${dashboardHomeRenderer.renderDashboardHome(homeModel, { escapeHtml })}</div>`
       : renderEmptyState("首页模块未加载", "请刷新页面后重试。")
   );
 }
@@ -5749,6 +5749,15 @@ function focusTrackingWorkspace() {
   });
 }
 
+function focusDashboardWorkspace(anchorId = "dashboard-workspace-anchor") {
+  setScreen("dashboard");
+  renderAll();
+  window.requestAnimationFrame(() => {
+    (document.getElementById(anchorId) || document.querySelector('[data-screen="dashboard"] .panel'))
+      ?.scrollIntoView({ behavior: "smooth", block: "start" });
+  });
+}
+
 function focusCreditsWorkspace(anchorId = "credits-quota-anchor") {
   setScreen("credits");
   renderAll();

web/storyforge-web-v4/tests/workbench-pages.test.mjs

@@ -137,6 +137,7 @@ test("mobile project sheets support direct project picking and zoom-safe form co
   const applySelectedProject = extractBetween(APP, "async function applySelectedProject(projectId = \"\")", "function openDashboardProjectSwitcher()");
   const createProject = extractBetween(APP, "async function createProject()", "function openPreferredModelAction()");
   assert.match(APP, /async function applySelectedProject\(projectId = ""\)/);
+  assert.match(APP, /function focusDashboardWorkspace\(anchorId = "dashboard-workspace-anchor"\)/);
   assert.match(projectSwitcher, /data-project-choice=/);
   assert.match(projectSwitcher, /hidden:\s*isMobileViewport/);
   assert.match(projectSwitcher, /onOpen:\s*\(/);
@@ -148,6 +149,8 @@ test("mobile project sheets support direct project picking and zoom-safe form co
   assert.match(APP, /if \(field\.hidden\) \{\s*return "";/);
   assert.match(applySelectedProject, /loadStorageStatus\(appState\.selectedProjectId \|\| ""\)/);
   assert.match(applySelectedProject, /loadAgentControlSurfaces\(appState\.selectedProjectId \|\| ""\)/);
+  assert.match(applySelectedProject, /focusDashboardWorkspace\("dashboard-workspace-anchor"\)/);
+  assert.match(APP, /id="dashboard-workspace-anchor"/);
   assert.match(createProject, /onOpen:\s*\(/);
   assert.match(CSS, /@media \(max-width: 760px\)[\s\S]*\.field-stack input,\s*[\s\S]*\.field-stack textarea,\s*[\s\S]*\.field-stack select\s*\{[\s\S]*min-height:\s*46px/);
   assert.match(CSS, /@media \(max-width: 760px\)[\s\S]*\.field-stack input,\s*[\s\S]*\.field-stack textarea,\s*[\s\S]*\.field-stack select\s*\{[\s\S]*font-size:\s*16px/);