feat(web): restore legacy explore workspace

apps/web_v1/scripts/structure-check.mjs

@@ -121,8 +121,12 @@ for (const forbidden of ['DeepSeek V4.0 Flash', '给 DeepSeek 发送消息', 'Ic
   if (aiPageSource.includes(forbidden)) failures.push(`project AI page contains unsupported chat control ${forbidden}`)
 }
 
+const explorePageSource = readFileSync('src/pages/workspace-explore.tsx', 'utf8')
+for (const required of ['explore-source-card', 'explore-reader-layout', '同步数据源', '添加数据源', 'detectSource']) {
+  if (!explorePageSource.includes(required)) failures.push(`workspace explore page must restore ${required}`)
+}
+
 const unsupportedControls = [
-  { file: 'src/pages/workspace-explore.tsx', required: '暂未开放', forbidden: ['同步数据源', '添加数据源', 'IconRefresh', 'IconEdit', 'IconDelete'] },
   { file: 'src/pages/projects/project-new-channel.tsx', required: '暂未开放', forbidden: ['保存频道', '<Input', '<Select', '<TextArea'] },
   { file: 'src/pages/projects/project-statusbar.tsx', forbidden: ['升级', '支付', 'billing-plan', '152GB', 'AI 空闲', '服务已连接', 'IconCheckCircle'] },
   { file: 'src/pages/projects/project-topbar.tsx', forbidden: ['停靠左边', '停靠右边', 'DockIcon', 'isDesktopRuntime'] },

apps/web_v1/scripts/visual-check.mjs

@@ -42,7 +42,28 @@ const visualCheckWorkspace = {
   ],
   tags: [{ id: '019b0000-0000-7000-8000-000000000002', name: '产品' }],
   recentSessions: [],
-  inbox: [],
+  inbox: [
+    {
+      id: '019b0000-0000-7000-8000-000000000003',
+      projectId,
+      source: '需求文档',
+      title: '森林项目体验优化需求',
+      summary: '整理工作台信息层级，并把关键需求沉淀为可跟进的项目计划。',
+      status: 'open',
+      tag: '需求',
+      time: '2026-07-22T08:00:00Z',
+    },
+    {
+      id: '019b0000-0000-7000-8000-000000000004',
+      projectId,
+      source: '架构讨论',
+      title: '项目资料组织方案',
+      summary: '围绕项目上下文统一组织任务、笔记、资料和 AI 会话。',
+      status: 'open',
+      tag: '架构',
+      time: '2026-07-22T07:00:00Z',
+    },
+  ],
   tasks: [],
   aiSessions: [],
   notesSources: [],
@@ -129,6 +150,8 @@ const collectMetrics = async () => page.evaluate(() => {
     workbenchMain: rect(main),
     hasWorkspacePage: Boolean(workspacePage),
     hasProjectOverview: Boolean(projectOverview),
+    exploreSourceCardCount: document.querySelectorAll('.explore-source-card').length,
+    hasExploreReader: Boolean(document.querySelector('.explore-reader-layout')),
     projectRailWidth: rail?.getBoundingClientRect().width,
     projectRail: rect(rail),
     channelSidebar: rect(sidebar),
@@ -300,6 +323,8 @@ if (!workspaceExploreMetrics.workspaceExploreButtonActive) failures.push('expect
 if (workspaceExploreMetrics.dashboardButtonActive) failures.push('expected dashboard button not to be active on workspace explore page')
 if (workspaceExploreMetrics.channelSidebar) failures.push(`expected workspace explore to hide channel sidebar, got ${JSON.stringify(workspaceExploreMetrics.channelSidebar)}`)
 if (workspaceExploreMetrics.inspector) failures.push(`expected workspace explore to hide inspector, got ${JSON.stringify(workspaceExploreMetrics.inspector)}`)
+if (workspaceExploreMetrics.exploreSourceCardCount !== 4) failures.push(`expected four legacy explore source cards, got ${workspaceExploreMetrics.exploreSourceCardCount}`)
+if (!workspaceExploreMetrics.hasExploreReader) failures.push('expected legacy explore article reader to render')
 if (!workspaceExploreMetrics.stage || !workspaceExploreMetrics.projectRail) {
   failures.push(`missing workspace explore layout regions: rail=${JSON.stringify(workspaceExploreMetrics.projectRail)}, stage=${JSON.stringify(workspaceExploreMetrics.stage)}`)
 } else if (Math.abs(workspaceExploreMetrics.stage.left - workspaceExploreMetrics.projectRail.right) > 1) {