feat(版本): 完善计划覆盖与工作台待办

关键改动：

- 增加计划日志汇总、需求覆盖草稿校验与对应测试

- 抽取工作台工作项 Hook，补充待办计数能力

- 优化版本详情中计划、任务、测试用例和 Bug 的筛选与展示

Co-Authored-By: Codex GPT-5 <codex@openai.com>

apps/web/hooks/useWorkspaceWorkItems.ts

@@ -0,0 +1,69 @@
+'use client';
+
+import { useEffect, useMemo } from 'react';
+import { useProductStore } from '@/stores/useProductStore';
+import { useVersionPlanStore } from '@/stores/useVersionPlanStore';
+import { useRequirementStore } from '@/stores/useRequirementStore';
+import { useDevTaskStore } from '@/stores/useDevTaskStore';
+import { useTestCaseStore } from '@/stores/useTestCaseStore';
+import { useBugStore } from '@/stores/useBugStore';
+import { useAuthStore } from '@/stores/useAuthStore';
+import { flattenVersions } from '@/lib/derive';
+import { aggregateWorkItems } from '@/lib/workspace-engine';
+
+export function useWorkspaceWorkItems({ autoFetch = true }: { autoFetch?: boolean } = {}) {
+  const { overview, fetchOverview } = useProductStore();
+  const { plans, fetchPlans } = useVersionPlanStore();
+  const { requirements, fetchRequirements } = useRequirementStore();
+  const { tasks: devTasks, fetchTasks } = useDevTaskStore();
+  const { testCases, fetchTestCases } = useTestCaseStore();
+  const { bugs, fetchBugs } = useBugStore();
+  const user = useAuthStore((s) => s.user);
+
+  useEffect(() => { if (autoFetch) fetchOverview(); }, [autoFetch, fetchOverview]);
+  useEffect(() => { if (autoFetch) fetchPlans(); }, [autoFetch, fetchPlans]);
+  useEffect(() => { if (autoFetch) fetchRequirements(); }, [autoFetch, fetchRequirements]);
+  useEffect(() => { if (autoFetch) fetchTasks(); }, [autoFetch, fetchTasks]);
+  useEffect(() => { if (autoFetch) fetchTestCases(); }, [autoFetch, fetchTestCases]);
+  useEffect(() => { if (autoFetch) fetchBugs(); }, [autoFetch, fetchBugs]);
+
+  const userName = user?.name ?? '';
+  const allVersions = useMemo(() => flattenVersions(overview), [overview]);
+
+  const versionMap = useMemo(() => {
+    const map = new Map<string, { id: string; name: string; productName: string; projectName: string }>();
+    allVersions.forEach((version) => {
+      map.set(version.id, {
+        id: version.id,
+        name: version.name,
+        productName: version.productName,
+        projectName: version.projectName,
+      });
+    });
+    return map;
+  }, [allVersions]);
+
+  const requirementVersionMap = useMemo(() => {
+    const map = new Map<string, string>();
+    requirements.forEach((requirement) => {
+      if (requirement.versionId) map.set(requirement.id, requirement.versionId);
+    });
+    return map;
+  }, [requirements]);
+
+  const workItems = useMemo(
+    () => aggregateWorkItems(userName, plans, devTasks, testCases, bugs, versionMap, requirementVersionMap),
+    [userName, plans, devTasks, testCases, bugs, versionMap, requirementVersionMap],
+  );
+
+  return {
+    userName,
+    allVersions,
+    versionMap,
+    requirementVersionMap,
+    workItems,
+    devTasks,
+    testCases,
+    bugs,
+  };
+}