feat(平台): 补齐服务端持久化和AI拆解契约

apps/web/components/version/AiDecomposeButton.tsx

@@ -0,0 +1,206 @@
+'use client';
+
+import { useEffect, useRef, useState } from 'react';
+import { Sparkles, Loader2, AlertCircle, RotateCw } from 'lucide-react';
+import type { VersionPlan } from '@/lib/version-plan';
+import type { VersionWithContext } from '@/lib/derive';
+import { useVersionPlanStore } from '@/stores/useVersionPlanStore';
+import { useRequirementStore } from '@/stores/useRequirementStore';
+import { useAuthStore } from '@/stores/useAuthStore';
+import { api } from '@/lib/api';
+import { DecomposeReportModal } from './DecomposeReportModal';
+import type {
+  AgentDecomposeRequest,
+  AgentDecomposeResponse,
+  AgentDecomposeError,
+} from '@ftb/shared';
+
+interface Props {
+  plan: VersionPlan;
+  version: VersionWithContext;
+}
+
+/** in_progress 视为"卡死"的阈值（秒）— 超过这个时间，按钮允许重新点击 */
+const STUCK_THRESHOLD_SEC = 240;
+
+function formatElapsed(sec: number): string {
+  if (sec < 60) return `${sec}s`;
+  const m = Math.floor(sec / 60);
+  const s = sec % 60;
+  return `${m}m${s}s`;
+}
+
+export function AiDecomposeButton({ plan, version }: Props) {
+  const { updatePlan } = useVersionPlanStore();
+  const { requirements } = useRequirementStore();
+  const user = useAuthStore((s) => s.user);
+
+  const [loading, setLoading] = useState(false);
+  const [result, setResult] = useState<AgentDecomposeResponse | null>(null);
+  const [tick, setTick] = useState(0);
+  const startedAtRef = useRef<number | null>(null);
+
+  // plan 上的状态（持久化在 localStorage）
+  const persistStatus = plan.aiDecomposeStatus;
+  const persistError = plan.aiDecomposeError;
+  const persistAt = plan.aiDecomposeAt;
+
+  // 计算"已用时"
+  const elapsedSec = (() => {
+    if (loading && startedAtRef.current) {
+      return Math.floor((tick - startedAtRef.current) / 1000);
+    }
+    if (persistStatus === 'in_progress' && persistAt) {
+      const start = new Date(persistAt).getTime();
+      return Math.max(0, Math.floor((Date.now() - start) / 1000));
+    }
+    return 0;
+  })();
+
+  const isStaleInProgress = persistStatus === 'in_progress' && elapsedSec > STUCK_THRESHOLD_SEC;
+  const isInProgress = (loading || persistStatus === 'in_progress') && !isStaleInProgress;
+  const isError = persistStatus === 'error' && !loading;
+  const wasCompleted = persistStatus === 'completed' && !loading;
+
+  // tick 每秒更新一次，让"已用时"实时跳
+  useEffect(() => {
+    if (!isInProgress) return;
+    const id = setInterval(() => setTick(Date.now()), 1000);
+    return () => clearInterval(id);
+  }, [isInProgress]);
+
+  const linkedReqs = requirements
+    .filter((r) => r.versionId === version.id)
+    .map((r) => ({
+      id: r.id,
+      code: r.code,
+      title: r.title,
+      description: r.description,
+    }));
+
+  const handleClick = async () => {
+    if (loading) return;
+    // 即便 persistStatus 是 in_progress，只要超过阈值就允许重新点
+    if (persistStatus === 'in_progress' && !isStaleInProgress) return;
+
+    startedAtRef.current = Date.now();
+    setTick(Date.now());
+    setLoading(true);
+
+    updatePlan(plan.id, {
+      aiDecomposeStatus: 'in_progress',
+      aiDecomposeBy: user?.name,
+      aiDecomposeAt: new Date().toISOString(),
+      aiDecomposeError: undefined,
+    });
+
+    const members = (version.members ?? []).map((m) => ({
+      name: m.name,
+      role: m.role,
+    }));
+
+    const payload: AgentDecomposeRequest = {
+      prototypeUrl: plan.resultUrl || '',
+      requirements: linkedReqs,
+      members,
+      versionId: version.id,
+      planId: plan.id,
+    };
+
+    try {
+      const resp = await api.postRaw<AgentDecomposeResponse | AgentDecomposeError>(
+        '/ai/decompose',
+        payload,
+        300000,
+      );
+      if (!resp.ok) {
+        updatePlan(plan.id, {
+          aiDecomposeStatus: 'error',
+          aiDecomposeError: resp.error,
+        });
+      } else {
+        setResult(resp);
+        updatePlan(plan.id, {
+          aiDecomposeStatus: 'completed',
+          aiDecomposeError: undefined,
+        });
+      }
+    } catch (e: any) {
+      const msg = e?.message || '调用 AI 服务失败';
+      updatePlan(plan.id, {
+        aiDecomposeStatus: 'error',
+        aiDecomposeError: msg,
+      });
+    } finally {
+      setLoading(false);
+      startedAtRef.current = null;
+    }
+  };
+
+  if (plan.type !== 'product' || plan.status !== 'completed' || !plan.resultUrl) {
+    return null;
+  }
+
+  return (
+    <>
+      <button
+        onClick={handleClick}
+        disabled={isInProgress}
+        className={`inline-flex items-center gap-1 rounded-md border px-2 py-1 text-[11px] font-medium disabled:cursor-not-allowed disabled:opacity-70 ${
+          isError
+            ? 'border-red-200 bg-red-50 text-red-700 hover:bg-red-100'
+            : 'border-purple-200 bg-purple-50 text-purple-700 hover:bg-purple-100'
+        }`}
+        title={
+          isError
+            ? `上次失败：${persistError || '未知错误'}（点击重试）`
+            : wasCompleted
+              ? '此前已拆解过，再次点击会重新拆解'
+              : '使用 AI 把原型 + 关联需求拆解成开发任务和测试用例'
+        }
+      >
+        {isInProgress ? (
+          <>
+            <Loader2 className="h-3 w-3 animate-spin" />
+            拆解中 {formatElapsed(elapsedSec)}
+          </>
+        ) : isError ? (
+          <>
+            <RotateCw className="h-3 w-3" />
+            重试
+          </>
+        ) : (
+          <>
+            <Sparkles className="h-3 w-3" />
+            {wasCompleted ? '重新 AI 拆解' : 'AI 拆解'}
+          </>
+        )}
+      </button>
+
+      {/* 错误信息：在按钮旁悬浮显示 */}
+      {isError && persistError && (
+        <span className="ml-1 inline-flex items-center gap-1 text-[11px] text-red-600 max-w-[260px]" title={persistError}>
+          <AlertCircle className="h-3 w-3 shrink-0" />
+          <span className="truncate">{persistError}</span>
+        </span>
+      )}
+
+      {/* 卡死提示：persistStatus 是 in_progress 但已超时 */}
+      {isStaleInProgress && (
+        <span className="ml-1 text-[11px] text-amber-600" title="上次拆解记录残留，点击按钮重新拆解">
+          上次未完成（{formatElapsed(elapsedSec)}）
+        </span>
+      )}
+
+      {result && (
+        <DecomposeReportModal
+          result={result}
+          version={version}
+          plan={plan}
+          requirements={linkedReqs}
+          onClose={() => setResult(null)}
+        />
+      )}
+    </>
+  );
+}

apps/web/components/version/DecomposeReportModal.tsx

@@ -0,0 +1,381 @@
+'use client';
+
+import { useState, useMemo } from 'react';
+import { X, CheckCircle2, AlertTriangle, HelpCircle, ListChecks } from 'lucide-react';
+import type { VersionPlan } from '@/lib/version-plan';
+import type { VersionWithContext } from '@/lib/derive';
+import { useDevTaskStore } from '@/stores/useDevTaskStore';
+import { useTestCaseStore } from '@/stores/useTestCaseStore';
+import { useTaskCategoryStore } from '@/stores/useTaskCategoryStore';
+import { useAuthStore } from '@/stores/useAuthStore';
+import { findCategoryByCode, resolveCategoryIdFromCode } from '@/lib/task-category';
+import { addWorkHours } from '@/lib/work-hours';
+import { clampDevEstimateHours, clampTestCaseEstimateHours } from '@/lib/ai-estimation-policy';
+import type {
+  AgentDecomposeResponse,
+  AgentDevTaskDraft,
+  AgentTestCaseDraft,
+} from '@ftb/shared';
+
+interface Props {
+  result: AgentDecomposeResponse;
+  version: VersionWithContext;
+  plan: VersionPlan;
+  requirements: Array<{ id: string; code: string; title: string; description?: string }>;
+  onClose: () => void;
+}
+
+export function DecomposeReportModal({ result, version, plan, requirements, onClose }: Props) {
+  const { createTask } = useDevTaskStore();
+  const { createTestCase } = useTestCaseStore();
+  const { categories } = useTaskCategoryStore();
+  const user = useAuthStore((s) => s.user);
+
+  const { result: data, meta } = result;
+
+  const [selectedDevIdx, setSelectedDevIdx] = useState<Set<number>>(
+    new Set(data.devTaskDrafts.map((_, i) => i)),
+  );
+  const [selectedTcIdx, setSelectedTcIdx] = useState<Set<number>>(
+    new Set(data.testCaseDrafts.map((_, i) => i)),
+  );
+  const [submitting, setSubmitting] = useState(false);
+  const [submitted, setSubmitted] = useState(false);
+
+  const reqByCode = useMemo(() => {
+    const m = new Map<string, { id: string; code: string; title: string }>();
+    for (const r of requirements) m.set(r.code, r);
+    return m;
+  }, [requirements]);
+
+  const reqByInternalId = useMemo(() => {
+    const m = new Map<string, { id: string; code: string; title: string }>();
+    for (const r of requirements) m.set(r.id, r);
+    return m;
+  }, [requirements]);
+
+  const toggleDev = (i: number) => {
+    const n = new Set(selectedDevIdx);
+    if (n.has(i)) n.delete(i);
+    else n.add(i);
+    setSelectedDevIdx(n);
+  };
+  const toggleTc = (i: number) => {
+    const n = new Set(selectedTcIdx);
+    if (n.has(i)) n.delete(i);
+    else n.add(i);
+    setSelectedTcIdx(n);
+  };
+
+  const handleAdopt = () => {
+    if (submitting) return;
+    setSubmitting(true);
+    const now = new Date().toISOString();
+
+    // 把每个 reference 的 requirement 类型 id（AI 给的是 code）映射回内部 id
+    const normalizeRefs = (refs: AgentDevTaskDraft['references'] | AgentTestCaseDraft['references']) =>
+      refs.map((ref) => {
+        if (ref.type === 'requirement') {
+          const r = reqByCode.get(ref.id) ?? reqByInternalId.get(ref.id);
+          if (r) return { ...ref, id: r.id, label: ref.label || `${r.code} ${r.title}` };
+        }
+        return ref;
+      });
+
+    let devCount = 0;
+    for (let i = 0; i < data.devTaskDrafts.length; i++) {
+      if (!selectedDevIdx.has(i)) continue;
+      const draft = data.devTaskDrafts[i];
+      const refs = normalizeRefs(draft.references);
+      const reqRef = refs.find((r) => r.type === 'requirement');
+      const requirementId = reqRef?.id ?? requirements[0]?.id ?? '';
+      const categoryId = resolveCategoryIdFromCode(categories, draft.categoryCode, 'development');
+      const estimateHours = clampDevEstimateHours(draft.categoryCode, draft.estimateHours);
+      const startISO = new Date().toISOString();
+      const endISO = addWorkHours(startISO, estimateHours);
+
+      createTask({
+        requirementId,
+        title: draft.title,
+        description: draft.description,
+        categoryId,
+        assigneeId: '',
+        reviewerId: undefined,
+        priority: draft.priority,
+        expectedStartAt: startISO,
+        expectedEndAt: endISO,
+        estimateHours,
+        actualStartAt: undefined,
+        actualEndAt: undefined,
+        status: 'todo',
+        blockReason: undefined,
+        blockedById: undefined,
+        predecessorIds: undefined,
+        riskLevel: undefined,
+        delayReason: undefined,
+        overdueVersionReason: undefined,
+        references: refs,
+        aiDraft: true,
+        aiDraftAt: now,
+        createdBy: user?.name || 'AI',
+      } as any);
+      devCount++;
+    }
+
+    let tcCount = 0;
+    for (let i = 0; i < data.testCaseDrafts.length; i++) {
+      if (!selectedTcIdx.has(i)) continue;
+      const draft = data.testCaseDrafts[i];
+      const refs = normalizeRefs(draft.references);
+      const reqRef = refs.find((r) => r.type === 'requirement');
+      const categoryId = resolveCategoryIdFromCode(categories, draft.categoryCode, 'testing');
+      const estimateHours = clampTestCaseEstimateHours(draft.categoryCode, draft.estimateHours);
+
+      createTestCase({
+        versionId: version.id,
+        requirementId: reqRef?.id,
+        title: draft.title,
+        description: draft.description,
+        categoryId,
+        priority: draft.priority,
+        estimateHours,
+        assigneeId: undefined,
+        references: refs,
+        aiDraft: true,
+        aiDraftAt: now,
+        createdBy: user?.name || 'AI',
+      } as any);
+      tcCount++;
+    }
+
+    setSubmitted(true);
+    setSubmitting(false);
+
+    // 1.5 秒后自动关闭
+    setTimeout(() => onClose(), 1500);
+  };
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/40" onClick={onClose}>
+      <div
+        className="w-full max-w-3xl max-h-[85vh] flex flex-col rounded-2xl bg-[var(--bg-card)] border border-[var(--line)] shadow-2xl"
+        onClick={(e) => e.stopPropagation()}
+      >
+        {/* Header */}
+        <div className="flex items-center justify-between px-5 py-4 border-b border-[var(--line)]">
+          <div className="flex items-center gap-2">
+            <ListChecks className="h-4 w-4 text-purple-600" />
+            <h3 className="text-[14px] font-semibold text-[var(--ink)]">AI 拆解结果</h3>
+            <span className="text-[11px] text-[var(--ink-muted)]">
+              {meta.model} · 输入 {meta.inputTokens} tok · 输出 {meta.outputTokens} tok ·{' '}
+              {(meta.durationMs / 1000).toFixed(1)}s
+            </span>
+          </div>
+          <button onClick={onClose} className="p-1 rounded hover:bg-[var(--bg-subtle)]">
+            <X className="h-4 w-4 text-[var(--ink-muted)]" />
+          </button>
+        </div>
+
+        {/* Body */}
+        <div className="flex-1 overflow-y-auto px-5 py-4 space-y-4">
+          {/* 对账报告 */}
+          <section>
+            <h4 className="text-[12px] font-semibold text-[var(--ink-soft)] mb-2">对账报告</h4>
+
+            {data.report.matched.length > 0 && (
+              <div className="rounded-lg border border-emerald-200 bg-emerald-50 p-3 mb-2">
+                <div className="flex items-center gap-1.5 mb-1.5">
+                  <CheckCircle2 className="h-3.5 w-3.5 text-emerald-600" />
+                  <span className="text-[12px] font-medium text-emerald-700">
+                    完美对应（{data.report.matched.length}）
+                  </span>
+                </div>
+                <ul className="text-[12px] text-emerald-800 space-y-1 ml-5">
+                  {data.report.matched.map((m, i) => (
+                    <li key={i}>
+                      {m.reqId} ↔ {m.noteIds.join(', ') || '(仅需求驱动)'} → 拆出 {m.taskCount} 个任务
+                    </li>
+                  ))}
+                </ul>
+              </div>
+            )}
+
+            {data.report.reqOnly.length > 0 && (
+              <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 mb-2">
+                <div className="flex items-center gap-1.5 mb-1.5">
+                  <AlertTriangle className="h-3.5 w-3.5 text-amber-600" />
+                  <span className="text-[12px] font-medium text-amber-700">仅需求未见原型</span>
+                </div>
+                <p className="text-[11px] text-amber-700 mb-1">
+                  以下需求在原型上未找到对应批注，已按需求文字拆解，请人工核对：
+                </p>
+                <ul className="text-[12px] text-amber-800 ml-5 list-disc">
+                  {data.report.reqOnly.map((id, i) => <li key={i}>{id}</li>)}
+                </ul>
+              </div>
+            )}
+
+            {data.report.noteOnly.length > 0 && (
+              <div className="rounded-lg border border-blue-200 bg-blue-50 p-3 mb-2">
+                <div className="flex items-center gap-1.5 mb-1.5">
+                  <AlertTriangle className="h-3.5 w-3.5 text-blue-600" />
+                  <span className="text-[12px] font-medium text-blue-700">仅原型未见需求</span>
+                </div>
+                <p className="text-[11px] text-blue-700 mb-1">
+                  以下原型批注在需求清单中未提及，已跳过拆解（可能是漏录需求）：
+                </p>
+                <ul className="text-[12px] text-blue-800 ml-5 list-disc">
+                  {data.report.noteOnly.map((id, i) => <li key={i}>{id}</li>)}
+                </ul>
+              </div>
+            )}
+
+            {data.report.ambiguous.length > 0 && (
+              <div className="rounded-lg border border-rose-200 bg-rose-50 p-3 mb-2">
+                <div className="flex items-center gap-1.5 mb-1.5">
+                  <HelpCircle className="h-3.5 w-3.5 text-rose-600" />
+                  <span className="text-[12px] font-medium text-rose-700">含糊批注</span>
+                </div>
+                <ul className="text-[12px] text-rose-800 ml-5 space-y-0.5">
+                  {data.report.ambiguous.map((a, i) => (
+                    <li key={i}>
+                      <span className="font-medium">{a.noteId}</span>：{a.reason}
+                    </li>
+                  ))}
+                </ul>
+              </div>
+            )}
+          </section>
+
+          {/* DevTask 草案 */}
+          <section>
+            <h4 className="text-[12px] font-semibold text-[var(--ink-soft)] mb-2">
+              开发任务草案（{data.devTaskDrafts.length}）
+            </h4>
+            {data.devTaskDrafts.length === 0 ? (
+              <p className="text-[12px] text-[var(--ink-muted)]">无可生成的任务</p>
+            ) : (
+              <div className="space-y-2">
+                {data.devTaskDrafts.map((d, i) => (
+                  <label
+                    key={i}
+                    className="flex gap-2 p-3 rounded-lg border border-[var(--line)] hover:bg-[var(--bg-subtle)] cursor-pointer"
+                  >
+                    <input
+                      type="checkbox"
+                      checked={selectedDevIdx.has(i)}
+                      onChange={() => toggleDev(i)}
+                      className="mt-0.5"
+                    />
+                    <div className="flex-1 min-w-0">
+                      <div className="flex items-center gap-2 flex-wrap">
+                        <span className="text-[13px] font-medium text-[var(--ink)]">{d.title}</span>
+                        <span className="text-[10px] px-1.5 py-0.5 rounded bg-[var(--bg-subtle)] text-[var(--ink-soft)]">
+                          {findCategoryByCode(categories, d.categoryCode)?.name ?? d.categoryCode}
+                        </span>
+                        <span className="text-[10px] px-1.5 py-0.5 rounded bg-zinc-100 text-zinc-600">
+                          {d.priority}
+                        </span>
+                        <span className="text-[10px] text-[var(--ink-muted)]">
+                          {clampDevEstimateHours(d.categoryCode, d.estimateHours)}h
+                        </span>
+                      </div>
+                      {d.description && (
+                        <p className="mt-1 text-[12px] text-[var(--ink-soft)] line-clamp-2">{d.description}</p>
+                      )}
+                      <div className="mt-1.5 flex flex-wrap gap-1">
+                        {d.references.map((r, j) => (
+                          <span
+                            key={j}
+                            className="text-[10px] px-1.5 py-0.5 rounded bg-purple-50 text-purple-700 border border-purple-200"
+                          >
+                            {r.label}
+                          </span>
+                        ))}
+                      </div>
+                    </div>
+                  </label>
+                ))}
+              </div>
+            )}
+          </section>
+
+          {/* TestCase 草案 */}
+          <section>
+            <h4 className="text-[12px] font-semibold text-[var(--ink-soft)] mb-2">
+              测试用例草案（{data.testCaseDrafts.length}）
+            </h4>
+            {data.testCaseDrafts.length === 0 ? (
+              <p className="text-[12px] text-[var(--ink-muted)]">无可生成的用例</p>
+            ) : (
+              <div className="space-y-2">
+                {data.testCaseDrafts.map((d, i) => (
+                  <label
+                    key={i}
+                    className="flex gap-2 p-3 rounded-lg border border-[var(--line)] hover:bg-[var(--bg-subtle)] cursor-pointer"
+                  >
+                    <input
+                      type="checkbox"
+                      checked={selectedTcIdx.has(i)}
+                      onChange={() => toggleTc(i)}
+                      className="mt-0.5"
+                    />
+                    <div className="flex-1 min-w-0">
+                      <div className="flex items-center gap-2 flex-wrap">
+                        <span className="text-[13px] font-medium text-[var(--ink)]">{d.title}</span>
+                        <span className="text-[10px] px-1.5 py-0.5 rounded bg-[var(--bg-subtle)] text-[var(--ink-soft)]">
+                          {findCategoryByCode(categories, d.categoryCode)?.name ?? d.categoryCode}
+                        </span>
+                        <span className="text-[10px] px-1.5 py-0.5 rounded bg-zinc-100 text-zinc-600">
+                          {d.priority}
+                        </span>
+                        <span className="text-[10px] text-[var(--ink-muted)]">
+                          {clampTestCaseEstimateHours(d.categoryCode, d.estimateHours)}h
+                        </span>
+                      </div>
+                      <pre className="mt-1 text-[11px] text-[var(--ink-soft)] whitespace-pre-wrap font-sans line-clamp-3">
+                        {d.description}
+                      </pre>
+                      <div className="mt-1.5 flex flex-wrap gap-1">
+                        {d.references.map((r, j) => (
+                          <span
+                            key={j}
+                            className="text-[10px] px-1.5 py-0.5 rounded bg-purple-50 text-purple-700 border border-purple-200"
+                          >
+                            {r.label}
+                          </span>
+                        ))}
+                      </div>
+                    </div>
+                  </label>
+                ))}
+              </div>
+            )}
+          </section>
+        </div>
+
+        {/* Footer */}
+        <div className="flex items-center justify-between px-5 py-3 border-t border-[var(--line)]">
+          <div className="text-[12px] text-[var(--ink-muted)]">
+            已选 {selectedDevIdx.size} 个任务 + {selectedTcIdx.size} 个用例
+          </div>
+          <div className="flex gap-2">
+            <button
+              onClick={onClose}
+              className="h-8 px-3 rounded-lg text-[12px] font-medium border border-[var(--line)] text-[var(--ink-soft)] hover:bg-[var(--bg-subtle)]"
+            >
+              取消
+            </button>
+            <button
+              onClick={handleAdopt}
+              disabled={submitting || submitted || (selectedDevIdx.size === 0 && selectedTcIdx.size === 0)}
+              className="h-8 px-4 rounded-lg text-[12px] font-medium bg-purple-600 text-white hover:bg-purple-700 disabled:opacity-50"
+            >
+              {submitted ? '✓ 已采纳' : submitting ? '采纳中...' : '采纳选中'}
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}

apps/web/components/version/PlanDetailDrawer.tsx

@@ -8,6 +8,7 @@ import { useMemberStore } from '@/stores/useMemberStore';
 import { calcPlanProgress, calcLinkedReqProgress } from '@/lib/version-plan';
 import { formatDateTime } from '@/lib/format';
 import type { PlanTask, VersionPlan } from '@/lib/version-plan';
+import { canEditPlanRequirementCoverage, canTogglePlanChecklist, getPlanCompletionState } from '@/lib/version-plan-workflow';
 
 interface Props {
   planId: string;
@@ -26,6 +27,7 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
   const [showTransfer, setShowTransfer] = useState(false);
   const [transferTo, setTransferTo] = useState('');
   const [resultType, setResultType] = useState<'link' | 'file'>('link');
+  const [resultTitle, setResultTitle] = useState('');
   const [resultUrl, setResultUrl] = useState('');
   const [fileName, setFileName] = useState('');
   const [fileData, setFileData] = useState('');
@@ -34,20 +36,22 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
   const plan = plans.find((p) => p.id === planId);
   if (!plan) return null;
 
+  const completionState = getPlanCompletionState(plan);
   const isResearch = plan.type === 'research';
   const progress = isResearch ? calcPlanProgress(plan.tasks) : calcLinkedReqProgress(plan.linkedRequirementIds, plan.completedRequirementIds);
   const linkedReqs = (plan.linkedRequirementIds || []).map((id) => requirements.find((r) => r.id === id)).filter(Boolean) as { id: string; code: string; title: string }[];
-  const canInteract = plan.status === 'in_progress' || (plan.status === 'pending' && plan.startTime && new Date(plan.startTime) <= new Date());
+  const canToggle = canTogglePlanChecklist(plan);
+  const canEditCoverage = canEditPlanRequirementCoverage(plan);
 
   const handleToggleTask = (task: PlanTask) => {
-    if (!canInteract) return;
+    if (!canToggle) return;
     const nextStatus = task.status === 'completed' ? 'pending' : 'completed';
     const updatedTasks = (plan.tasks || []).map((t) => t.id === task.id ? { ...t, status: nextStatus as PlanTask['status'] } : t);
     updatePlan(plan.id, { tasks: updatedTasks });
   };
 
   const handleToggleReq = (reqId: string) => {
-    if (!canInteract) return;
+    if (!canEditCoverage) return;
     const current = plan.completedRequirementIds || [];
     const next = current.includes(reqId) ? current.filter((id) => id !== reqId) : [...current, reqId];
     updatePlan(plan.id, { completedRequirementIds: next });
@@ -64,8 +68,13 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
 
   const handleSubmitResult = () => {
     const url = resultType === 'link' ? resultUrl.trim() : fileData;
-    if (!url) return;
-    completePlan(plan.id, { resultType, resultUrl: url, resultFileName: fileName || undefined, resultFileData: resultType === 'file' ? fileData : undefined });
+    const title = resultTitle.trim();
+    if (!url || !title) return;
+    const response = completePlan(plan.id, { resultType, resultTitle: title, resultUrl: url, resultFileName: fileName || undefined, resultFileData: resultType === 'file' ? fileData : undefined });
+    if (response && typeof response === 'object' && 'ok' in response && !response.ok) {
+      alert(response.message || '计划未满足完成条件');
+      return;
+    }
     setShowComplete(false);
   };
 
@@ -138,9 +147,9 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
               {plan.tasks.map((task) => (
                 <div key={task.id} className="flex items-center gap-2 px-2 py-1.5 rounded-lg hover:bg-[var(--bg-subtle)]">
                   <button
-                    disabled={!canInteract}
+                    disabled={!canToggle}
                     onClick={() => handleToggleTask(task)}
-                    className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canInteract ? 'opacity-40 cursor-not-allowed' : ''} ${task.status === 'completed' ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
+                    className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canToggle ? 'opacity-40 cursor-not-allowed' : ''} ${task.status === 'completed' ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
                   >
                     {task.status === 'completed' && <Check className="h-2.5 w-2.5 text-white" strokeWidth={3} />}
                   </button>
@@ -151,7 +160,7 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
           )}
 
           {/* Product/UI: Linked Requirements */}
-          {!isResearch && linkedReqs.length > 0 && (
+          {linkedReqs.length > 0 && (
             <div className="space-y-1.5">
               <div className="text-[11px] font-medium text-[var(--ink-muted)]">关联需求</div>
               {linkedReqs.map((req) => {
@@ -159,9 +168,9 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
                 return (
                   <div key={req.id} className="flex items-center gap-2 px-2 py-1.5 rounded-lg hover:bg-[var(--bg-subtle)]">
                     <button
-                      disabled={!canInteract}
+                      disabled={!canEditCoverage}
                       onClick={() => handleToggleReq(req.id)}
-                      className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canInteract ? 'opacity-40 cursor-not-allowed' : ''} ${isDone ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
+                      className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canEditCoverage ? 'opacity-40 cursor-not-allowed' : ''} ${isDone ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
                     >
                       {isDone && <Check className="h-2.5 w-2.5 text-white" strokeWidth={3} />}
                     </button>
@@ -170,6 +179,9 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
                   </div>
                 );
               })}
+              {plan.status === 'in_progress' && !completionState.canSubmitResult && (
+                <p className="pt-1 text-[11px] text-[var(--ink-muted)]">还不能提交成果：{completionState.missingReasons.join('、')}</p>
+              )}
             </div>
           )}
 
@@ -180,7 +192,7 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
               <div className="flex items-center gap-1.5">
                 {plan.resultType === 'link' ? <Link2 className="h-3 w-3 text-[var(--accent)]" /> : <FileUp className="h-3 w-3 text-[var(--accent)]" />}
                 <a href={plan.resultUrl} target="_blank" rel="noopener noreferrer" className="text-[12px] text-[var(--accent)] hover:underline flex items-center gap-1">
-                  {plan.resultFileName || '查看成果'}<ExternalLink className="h-3 w-3" />
+                  {plan.resultTitle || plan.resultFileName || '查看成果'}<ExternalLink className="h-3 w-3" />
                 </a>
               </div>
             </div>
@@ -212,6 +224,7 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
           {showComplete && (
             <div className="rounded-lg border border-emerald-200 bg-emerald-50 p-3 space-y-2">
               <div className="text-[11px] font-medium text-emerald-700">提交成果</div>
+              <input value={resultTitle} onChange={(e) => setResultTitle(e.target.value)} placeholder="成果标题（必填，如 v1.0 产品方案）" className="h-8 w-full rounded-lg border border-[var(--line)] px-2 text-[12px] focus:border-[var(--accent)] focus:outline-none" />
               <div className="flex gap-2">
                 <button onClick={() => setResultType('link')} className={`h-7 px-2.5 rounded text-[11px] font-medium border ${resultType === 'link' ? 'border-[var(--accent)] text-[var(--accent)]' : 'border-[var(--line)] text-[var(--ink-soft)]'}`}><Link2 className="h-3 w-3 inline mr-1" />链接</button>
                 <button onClick={() => setResultType('file')} className={`h-7 px-2.5 rounded text-[11px] font-medium border ${resultType === 'file' ? 'border-[var(--accent)] text-[var(--accent)]' : 'border-[var(--line)] text-[var(--ink-soft)]'}`}><FileUp className="h-3 w-3 inline mr-1" />文件</button>
@@ -225,7 +238,7 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
                 </div>
               )}
               <div className="flex gap-2">
-                <button onClick={handleSubmitResult} disabled={resultType === 'link' ? !resultUrl.trim() : !fileData} className="h-7 px-3 rounded text-[11px] font-medium bg-emerald-500 text-white disabled:opacity-50">确认提交</button>
+                <button onClick={handleSubmitResult} disabled={!completionState.canSubmitResult || !resultTitle.trim() || (resultType === 'link' ? !resultUrl.trim() : !fileData)} className="h-7 px-3 rounded text-[11px] font-medium bg-emerald-500 text-white disabled:opacity-50">确认提交</button>
                 <button onClick={() => setShowComplete(false)} className="h-7 px-2 text-[11px] text-[var(--ink-muted)]">取消</button>
               </div>
             </div>
@@ -234,21 +247,26 @@ export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
 
         {/* Footer Actions */}
         {plan.status !== 'completed' && (
-          <div className="flex items-center gap-2 px-5 py-3 border-t border-[var(--line)] shrink-0">
-            {plan.status === 'pending' && (
-              <button onClick={() => updatePlan(plan.id, { status: 'in_progress' })} className="h-8 px-3 rounded-lg text-[12px] font-medium text-blue-600 border border-blue-200 hover:bg-blue-50 flex items-center gap-1">
-                <Play className="h-3 w-3" />开始
+          <>
+            <div className="flex items-center gap-2 px-5 py-3 border-t border-[var(--line)] shrink-0">
+              {plan.status === 'pending' && (
+                <button onClick={() => updatePlan(plan.id, { status: 'in_progress' })} className="h-8 px-3 rounded-lg text-[12px] font-medium text-blue-600 border border-blue-200 hover:bg-blue-50 flex items-center gap-1">
+                  <Play className="h-3 w-3" />开始
+                </button>
+              )}
+              {plan.status === 'in_progress' && (
+                <button onClick={() => setShowComplete(true)} disabled={!completionState.canSubmitResult} className="h-8 px-3 rounded-lg text-[12px] font-medium text-emerald-600 border border-emerald-200 hover:bg-emerald-50 disabled:opacity-50 disabled:cursor-not-allowed">
+                  提交完成
+                </button>
+              )}
+              <button onClick={() => setShowTransfer(true)} className="h-8 px-3 rounded-lg text-[12px] font-medium text-[var(--ink-soft)] border border-[var(--line)] hover:bg-[var(--bg-subtle)] flex items-center gap-1">
+                <ArrowRightLeft className="h-3 w-3" />转交
               </button>
+            </div>
+            {plan.status === 'in_progress' && !completionState.canSubmitResult && (
+              <div className="px-5 pb-3 text-[11px] text-[var(--ink-muted)]">还不能提交成果：{completionState.missingReasons.join('、')}</div>
             )}
-            {plan.status === 'in_progress' && (
-              <button onClick={() => setShowComplete(true)} className="h-8 px-3 rounded-lg text-[12px] font-medium text-emerald-600 border border-emerald-200 hover:bg-emerald-50">
-                提交完成
-              </button>
-            )}
-            <button onClick={() => setShowTransfer(true)} className="h-8 px-3 rounded-lg text-[12px] font-medium text-[var(--ink-soft)] border border-[var(--line)] hover:bg-[var(--bg-subtle)] flex items-center gap-1">
-              <ArrowRightLeft className="h-3 w-3" />转交
-            </button>
-          </div>
+          </>
         )}
       </div>
     </div>

apps/web/components/version/PlanTab.tsx

@@ -1,23 +1,30 @@
 'use client';
 
-import { useState } from 'react';
+import { useMemo, useState } from 'react';
 import { Plus, Pencil, Trash2, X, Check, ExternalLink, FileUp, Link2, Play, ArrowRightLeft } from 'lucide-react';
 import type { VersionPlan, PlanTask } from '@/lib/version-plan';
 import { calcPlanDuration, formatDuration, calcTotalDuration, calcPlanProgress, calcLinkedReqProgress } from '@/lib/version-plan';
 import { formatDateTime } from '@/lib/format';
 import { FieldError } from '@/components/FieldError';
+import { AiDecomposeButton } from './AiDecomposeButton';
+import type { VersionWithContext } from '@/lib/derive';
+import type { Requirement } from '@/lib/requirement';
+import { mergeSelectedRequirementOptions } from '@/lib/requirement-selector';
+import { canEditPlanRequirementCoverage, canTogglePlanChecklist, getPlanCompletionState } from '@/lib/version-plan-workflow';
 
 interface Props {
   plans: VersionPlan[];
   versionId: string;
+  version?: VersionWithContext;
   versionDeadline?: string;
   currentUserName: string;
   planType: 'research' | 'product' | 'ui';
   versionMembers: { role: string; name: string }[];
-  linkedRequirements?: { id: string; title: string; code: string; productOwner?: string }[];
+  linkedRequirements?: Requirement[];
+  allRequirements?: Requirement[];
   onCreate: (data: Omit<VersionPlan, 'id' | 'createdAt'>) => void;
   onUpdate: (id: string, data: Partial<VersionPlan>) => void;
-  onComplete: (id: string, result: { resultType: 'link' | 'file'; resultUrl?: string; resultFileName?: string; resultFileData?: string }) => void;
+  onComplete: (id: string, result: { resultType: 'link' | 'file'; resultTitle: string; resultUrl?: string; resultFileName?: string; resultFileData?: string }) => { ok: boolean; message?: string } | void;
   onDelete: (id: string) => void;
 }
 
@@ -29,7 +36,7 @@ const STATUS_STYLE = {
 };
 const STATUS_LABEL = { pending: '未开始', in_progress: '进行中', completed: '已完成' };
 
-export function PlanTab({ plans, versionId, versionDeadline, currentUserName, planType, versionMembers, linkedRequirements, onCreate, onUpdate, onComplete, onDelete }: Props) {
+export function PlanTab({ plans, versionId, version, versionDeadline, currentUserName, planType, versionMembers, linkedRequirements, allRequirements, onCreate, onUpdate, onComplete, onDelete }: Props) {
   const [showCreateModal, setShowCreateModal] = useState(false);
   const [editingPlan, setEditingPlan] = useState<VersionPlan | null>(null);
   const [completingPlan, setCompletingPlan] = useState<VersionPlan | null>(null);
@@ -65,6 +72,10 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
             const autoStarted = plan.status === 'pending' && plan.startTime && new Date(plan.startTime) <= new Date();
             const effectiveStatus = autoStarted ? 'in_progress' : plan.status;
             const effectiveStartAt = plan.actualStartAt || (autoStarted ? plan.startTime : null);
+            const completionState = getPlanCompletionState(plan);
+            const canToggle = canTogglePlanChecklist(plan);
+            const canEditCoverage = canEditPlanRequirementCoverage(plan);
+            const requirementOptions = mergeSelectedRequirementOptions(linkedRequirements ?? [], allRequirements ?? [], plan.linkedRequirementIds ?? []);
             // 耗时用实际时间戳计算
             const dur = plan.status === 'completed' && plan.completedAt && plan.actualStartAt
               ? calcPlanDuration(plan.actualStartAt, plan.completedAt)
@@ -102,11 +113,14 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                       <div className="flex items-center gap-1.5 mt-2">
                         {plan.resultType === 'link' ? <Link2 className="h-3 w-3 text-[var(--accent)]" /> : <FileUp className="h-3 w-3 text-[var(--accent)]" />}
                         <a href={plan.resultUrl} target="_blank" rel="noopener noreferrer" className="text-[12px] text-[var(--accent)] hover:underline flex items-center gap-1">
-                          {plan.resultFileName || '查看成果'}<ExternalLink className="h-3 w-3" />
+                          {plan.resultTitle || plan.resultFileName || '查看成果'}<ExternalLink className="h-3 w-3" />
                         </a>
+                        {planType === 'product' && version && (
+                          <AiDecomposeButton plan={plan} version={version} />
+                        )}
                       </div>
                     )}
-                    {/* 调研：任务进度 */}
+                    {/* 子任务 */}
                     {plan.type === 'research' && plan.tasks && plan.tasks.length > 0 && (
                       <div className="mt-3 space-y-2">
                         <div className="flex items-center gap-2">
@@ -119,14 +133,14 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                           {plan.tasks.map((task) => (
                             <div key={task.id} className="flex items-center gap-2">
                               <button
-                                disabled={plan.status !== 'in_progress' && !autoStarted}
+                                disabled={!canToggle}
                                 onClick={() => {
-                                  if (plan.status !== 'in_progress' && !autoStarted) return;
+                                  if (!canToggle) return;
                                   const nextStatus = task.status === 'completed' ? 'pending' : 'completed';
                                   const updatedTasks = plan.tasks!.map((t) => t.id === task.id ? { ...t, status: nextStatus as PlanTask['status'] } : t);
                                   onUpdate(plan.id, { tasks: updatedTasks });
                                 }}
-                                className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${plan.status !== 'in_progress' && !autoStarted ? 'opacity-40 cursor-not-allowed' : ''} ${task.status === 'completed' ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
+                                className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canToggle ? 'opacity-40 cursor-not-allowed' : ''} ${task.status === 'completed' ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
                               >
                                 {task.status === 'completed' && <Check className="h-2.5 w-2.5 text-white" strokeWidth={3} />}
                               </button>
@@ -139,8 +153,8 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                         </div>
                       </div>
                     )}
-                    {/* 产品方案/UI：关联需求进度 */}
-                    {(plan.type === 'product' || plan.type === 'ui') && plan.linkedRequirementIds && plan.linkedRequirementIds.length > 0 && linkedRequirements && (
+                    {/* 关联需求 */}
+                    {plan.linkedRequirementIds && plan.linkedRequirementIds.length > 0 && requirementOptions.length > 0 && (
                       <div className="mt-3 space-y-2">
                         <div className="flex items-center gap-2">
                           <div className="flex-1 h-1.5 rounded-full bg-[var(--bg-subtle)] overflow-hidden">
@@ -150,19 +164,19 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                         </div>
                         <div className="space-y-1">
                           {plan.linkedRequirementIds.map((rid) => {
-                            const req = linkedRequirements.find((r) => r.id === rid);
+                            const req = requirementOptions.find((r) => r.id === rid);
                             const isDone = (plan.completedRequirementIds || []).includes(rid);
                             return req ? (
                               <div key={rid} className="flex items-center gap-2">
                                 <button
-                                  disabled={plan.status !== 'in_progress' && !autoStarted}
+                                  disabled={!canEditCoverage}
                                   onClick={() => {
-                                    if (plan.status !== 'in_progress' && !autoStarted) return;
+                                    if (!canEditCoverage) return;
                                     const current = plan.completedRequirementIds || [];
                                     const next = isDone ? current.filter((id) => id !== rid) : [...current, rid];
                                     onUpdate(plan.id, { completedRequirementIds: next });
                                   }}
-                                  className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${plan.status !== 'in_progress' && !autoStarted ? 'opacity-40 cursor-not-allowed' : ''} ${isDone ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
+                                  className={`h-4 w-4 rounded border flex items-center justify-center shrink-0 transition-colors ${!canEditCoverage ? 'opacity-40 cursor-not-allowed' : ''} ${isDone ? 'bg-[var(--accent)] border-[var(--accent)]' : 'border-[var(--line)]'}`}
                                 >
                                   {isDone && <Check className="h-2.5 w-2.5 text-white" strokeWidth={3} />}
                                 </button>
@@ -172,14 +186,11 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                             ) : null;
                           })}
                         </div>
-                        {calcLinkedReqProgress(plan.linkedRequirementIds, plan.completedRequirementIds) === 100 && plan.status !== 'completed' && (
-                          <div className="mt-2 rounded-lg bg-green-50 border border-green-200 px-3 py-2 flex items-center justify-between">
-                            <span className="text-[12px] text-green-700">所有需求已完成，请提交原型成果</span>
-                            <button onClick={() => setCompletingPlan(plan)} className="text-[11px] font-medium text-green-700 hover:text-green-900 underline">提交</button>
-                          </div>
-                        )}
                       </div>
                     )}
+                    {plan.status === 'in_progress' && !completionState.canSubmitResult && (
+                      <p className="mt-2 text-[11px] text-[var(--ink-muted)]">还不能提交成果：{completionState.missingReasons.join('、')}</p>
+                    )}
                   </div>
                   <div className="flex items-center gap-1 ml-3">
                     {plan.status === 'pending' && !autoStarted && (
@@ -187,11 +198,6 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                         <Play className="h-3 w-3" />开始
                       </button>
                     )}
-                    {plan.status !== 'completed' && plan.status !== 'pending' && (
-                      <button onClick={() => setCompletingPlan(plan)} className="h-7 w-7 flex items-center justify-center rounded-md text-green-600 hover:bg-green-50" title="标记完成">
-                        <Check className="h-3.5 w-3.5" />
-                      </button>
-                    )}
                     {plan.status !== 'completed' && (
                       <>
                         <button onClick={() => setTransferPlanId(plan.id)} className="h-7 w-7 flex items-center justify-center rounded-md text-blue-500 hover:bg-blue-50" title="转交">
@@ -218,6 +224,12 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
                     <button onClick={() => { setTransferPlanId(null); setTransferTo(''); }} className="h-7 px-2 text-[11px] text-[var(--ink-muted)]">取消</button>
                   </div>
                 )}
+                {plan.status !== 'completed' && completionState.canSubmitResult && (
+                  <div className="mt-3 rounded-lg bg-green-50 border border-green-200 px-3 py-2 flex items-center justify-between">
+                    <span className="text-[12px] text-green-700">已满足提交成果条件</span>
+                    <button onClick={() => setCompletingPlan(plan)} className="text-[11px] font-medium text-green-700 hover:text-green-900 underline">提交成果</button>
+                  </div>
+                )}
               </div>
             );
           })}
@@ -232,6 +244,7 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
           versionDeadline={versionDeadline}
           currentUserName={currentUserName}
           linkedRequirements={linkedRequirements}
+          allRequirements={allRequirements}
           onClose={() => { setShowCreateModal(false); setEditingPlan(null); }}
           onSubmit={(data) => {
             if (editingPlan) onUpdate(editingPlan.id, data);
@@ -245,20 +258,28 @@ export function PlanTab({ plans, versionId, versionDeadline, currentUserName, pl
       {completingPlan && (
         <CompleteModal
           onClose={() => setCompletingPlan(null)}
-          onSubmit={(result) => { onComplete(completingPlan.id, result); setCompletingPlan(null); }}
+          onSubmit={(result) => {
+            const response = onComplete(completingPlan.id, result);
+            if (response && typeof response === 'object' && 'ok' in response && !response.ok) {
+              alert(response.message || '计划未满足完成条件');
+              return;
+            }
+            setCompletingPlan(null);
+          }}
         />
       )}
     </div>
   );
 }
 
-function PlanFormModal({ initial, planType, versionId, versionDeadline, currentUserName, linkedRequirements, onClose, onSubmit }: {
+function PlanFormModal({ initial, planType, versionId, versionDeadline, currentUserName, linkedRequirements, allRequirements, onClose, onSubmit }: {
   initial: VersionPlan | null;
   planType: 'research' | 'product' | 'ui';
   versionId: string;
   versionDeadline?: string;
   currentUserName: string;
-  linkedRequirements?: { id: string; title: string; code: string }[];
+  linkedRequirements?: Requirement[];
+  allRequirements?: Requirement[];
   onClose: () => void;
   onSubmit: (data: any) => void;
 }) {
@@ -273,7 +294,10 @@ function PlanFormModal({ initial, planType, versionId, versionDeadline, currentU
   const [overdueReason, setOverdueReason] = useState(initial?.overdueReason ?? '');
   const [selectedReqs, setSelectedReqs] = useState<Set<string>>(new Set(initial?.linkedRequirementIds ?? []));
   const [endTimeError, setEndTimeError] = useState('');
-  const showReqSelect = planType === 'product' || planType === 'ui';
+  const requirementOptions = useMemo(
+    () => mergeSelectedRequirementOptions(linkedRequirements ?? [], allRequirements ?? [], Array.from(selectedReqs)),
+    [linkedRequirements, allRequirements, selectedReqs],
+  );
   const isOverdue = !!(versionDeadline && endTime && new Date(endTime) > new Date(versionDeadline));
 
   const handleSubmit = (e: React.FormEvent) => {
@@ -294,8 +318,8 @@ function PlanFormModal({ initial, planType, versionId, versionDeadline, currentU
       startTime,
       endTime,
       status: initial?.status ?? 'pending',
-      linkedRequirementIds: showReqSelect ? Array.from(selectedReqs) : undefined,
-      tasks: tasks.length > 0 ? tasks : undefined,
+      linkedRequirementIds: requirementOptions.length > 0 ? Array.from(selectedReqs) : undefined,
+      tasks: planType === 'research' && tasks.length > 0 ? tasks : undefined,
       remark: remark.trim() || undefined,
       overdueReason: isOverdue ? overdueReason.trim() : undefined,
       addedBy: currentUserName,
@@ -345,63 +369,83 @@ function PlanFormModal({ initial, planType, versionId, versionDeadline, currentU
               />
             </div>
           )}
-          {showReqSelect && linkedRequirements && linkedRequirements.length > 0 && (
+          {requirementOptions.length > 0 && (
             <div>
               <label className="text-[12px] font-medium text-[var(--ink-soft)] mb-1.5 block">关联需求</label>
+              <div className="mb-2 flex items-center justify-between">
+                <span className="text-[11px] text-[var(--ink-muted)]">已选 {selectedReqs.size} / {requirementOptions.filter((req) => !req.isHistorical).length}</span>
+                <div className="flex gap-2">
+                  <button
+                    type="button"
+                    onClick={() => setSelectedReqs(new Set(requirementOptions.map((req) => req.id)))}
+                    className="text-[11px] text-[var(--accent)] hover:underline"
+                  >
+                    全选
+                  </button>
+                  <button
+                    type="button"
+                    onClick={() => setSelectedReqs(new Set())}
+                    className="text-[11px] text-[var(--ink-muted)] hover:underline"
+                  >
+                    清空
+                  </button>
+                </div>
+              </div>
               <div className="max-h-[120px] overflow-y-auto rounded-lg border border-[var(--line)] p-2 space-y-1">
-                {linkedRequirements.map((req) => (
+                {requirementOptions.map((req) => (
                   <label key={req.id} className="flex items-center gap-2 rounded px-2 py-1 hover:bg-[var(--bg-subtle)] cursor-pointer text-[12px]">
                     <input type="checkbox" checked={selectedReqs.has(req.id)} onChange={() => { const s = new Set(selectedReqs); if (s.has(req.id)) s.delete(req.id); else s.add(req.id); setSelectedReqs(s); }} className="h-3.5 w-3.5 rounded" />
                     <span className="text-[var(--ink-muted)] font-mono">{req.code}</span>
                     <span className="text-[var(--ink)] truncate">{req.title}</span>
+                    {req.isHistorical && <span className="text-[10px] text-orange-600 bg-orange-50 px-1.5 py-0.5 rounded">历史</span>}
                   </label>
                 ))}
               </div>
             </div>
           )}
           {planType === 'research' && (
-          <div>
-            <label className="text-[12px] font-medium text-[var(--ink-soft)] mb-1.5 block">
-              任务清单 <span className="text-red-500">*</span>
-              <span className="text-[10px] text-[var(--ink-muted)] ml-1">至少添加一项</span>
-            </label>
-            {/* 预设选项 */}
-            {tasks.length === 0 && (
-              <div className="flex flex-wrap gap-1.5 mb-2">
-                {['竞品分析', '用户访谈', '数据调研', '技术可行性分析', '市场调研', '需求分析'].map((preset) => (
-                  <button
-                    key={preset}
-                    type="button"
-                    onClick={() => setTasks([...tasks, { id: `task-${Date.now()}-${Math.random().toString(36).slice(2, 5)}`, title: preset, status: 'pending' }])}
-                    className="h-6 px-2.5 rounded-md text-[11px] border border-dashed border-[var(--line)] text-[var(--ink-soft)] hover:border-[var(--accent)] hover:text-[var(--accent)] transition-colors"
-                  >
-                    + {preset}
-                  </button>
+            <div>
+              <label className="text-[12px] font-medium text-[var(--ink-soft)] mb-1.5 block">
+                调研方向 <span className="text-red-500">*</span>
+                <span className="text-[10px] text-[var(--ink-muted)] ml-1">至少添加一项</span>
+              </label>
+              {/* 预设选项 */}
+              {tasks.length === 0 && (
+                <div className="flex flex-wrap gap-1.5 mb-2">
+                  {['竞品分析', '用户访谈', '数据调研', '技术可行性分析', '市场调研', '需求分析'].map((preset) => (
+                    <button
+                      key={preset}
+                      type="button"
+                      onClick={() => setTasks([...tasks, { id: `task-${Date.now()}-${Math.random().toString(36).slice(2, 5)}`, title: preset, status: 'pending' }])}
+                      className="h-6 px-2.5 rounded-md text-[11px] border border-dashed border-[var(--line)] text-[var(--ink-soft)] hover:border-[var(--accent)] hover:text-[var(--accent)] transition-colors"
+                    >
+                      + {preset}
+                    </button>
+                  ))}
+                </div>
+              )}
+              <div className="space-y-1.5 mb-2">
+                {tasks.map((task, i) => (
+                  <div key={task.id} className="flex items-center gap-2 rounded-lg bg-[var(--bg-subtle)] px-3 py-1.5">
+                    <span className="flex-1 text-[12px] text-[var(--ink)]">{task.title}</span>
+                    <button type="button" onClick={() => setTasks(tasks.filter((_, idx) => idx !== i))} className="text-red-400 hover:text-red-600"><X className="h-3 w-3" /></button>
+                  </div>
                 ))}
               </div>
-            )}
-            <div className="space-y-1.5 mb-2">
-              {tasks.map((task, i) => (
-                <div key={task.id} className="flex items-center gap-2 rounded-lg bg-[var(--bg-subtle)] px-3 py-1.5">
-                  <span className="flex-1 text-[12px] text-[var(--ink)]">{task.title}</span>
-                  <button type="button" onClick={() => setTasks(tasks.filter((_, idx) => idx !== i))} className="text-red-400 hover:text-red-600"><X className="h-3 w-3" /></button>
-                </div>
-              ))}
+              <div className="flex gap-2">
+                <input
+                  value={newTaskTitle}
+                  onChange={(e) => setNewTaskTitle(e.target.value)}
+                  onKeyDown={(e) => { if (e.key === 'Enter') { e.preventDefault(); if (newTaskTitle.trim()) { setTasks([...tasks, { id: `task-${Date.now()}`, title: newTaskTitle.trim(), status: 'pending' }]); setNewTaskTitle(''); } } }}
+                  placeholder="自定义调研方向，回车添加"
+                  className="flex-1 h-8 rounded-lg border border-[var(--line)] bg-[var(--bg-card)] px-3 text-[12px] focus:border-[var(--accent)] focus:outline-none"
+                />
+                <button type="button" onClick={() => { if (newTaskTitle.trim()) { setTasks([...tasks, { id: `task-${Date.now()}`, title: newTaskTitle.trim(), status: 'pending' }]); setNewTaskTitle(''); } }} className="h-8 px-3 rounded-lg text-[12px] font-medium bg-[var(--bg-subtle)] text-[var(--ink-soft)] hover:bg-[var(--line)]">添加</button>
+              </div>
+              {tasks.length === 0 && (
+                <div className="text-[11px] text-red-500 mt-1">请至少添加一项调研方向</div>
+              )}
             </div>
-            <div className="flex gap-2">
-              <input
-                value={newTaskTitle}
-                onChange={(e) => setNewTaskTitle(e.target.value)}
-                onKeyDown={(e) => { if (e.key === 'Enter') { e.preventDefault(); if (newTaskTitle.trim()) { setTasks([...tasks, { id: `task-${Date.now()}`, title: newTaskTitle.trim(), status: 'pending' }]); setNewTaskTitle(''); } } }}
-                placeholder="自定义任务名称，回车添加"
-                className="flex-1 h-8 rounded-lg border border-[var(--line)] bg-[var(--bg-card)] px-3 text-[12px] focus:border-[var(--accent)] focus:outline-none"
-              />
-              <button type="button" onClick={() => { if (newTaskTitle.trim()) { setTasks([...tasks, { id: `task-${Date.now()}`, title: newTaskTitle.trim(), status: 'pending' }]); setNewTaskTitle(''); } }} className="h-8 px-3 rounded-lg text-[12px] font-medium bg-[var(--bg-subtle)] text-[var(--ink-soft)] hover:bg-[var(--line)]">添加</button>
-            </div>
-            {tasks.length === 0 && (
-              <div className="text-[11px] text-red-500 mt-1">请至少添加一项任务</div>
-            )}
-          </div>
           )}
           <div>
             <label className="text-[12px] font-medium text-[var(--ink-soft)] mb-1 block">备注</label>
@@ -419,9 +463,10 @@ function PlanFormModal({ initial, planType, versionId, versionDeadline, currentU
 
 function CompleteModal({ onClose, onSubmit }: {
   onClose: () => void;
-  onSubmit: (result: { resultType: 'link' | 'file'; resultUrl?: string; resultFileName?: string; resultFileData?: string }) => void;
+  onSubmit: (result: { resultType: 'link' | 'file'; resultTitle: string; resultUrl?: string; resultFileName?: string; resultFileData?: string }) => void;
 }) {
   const [resultType, setResultType] = useState<'link' | 'file'>('link');
+  const [resultTitle, setResultTitle] = useState('');
   const [url, setUrl] = useState('');
   const [fileName, setFileName] = useState('');
   const [fileData, setFileData] = useState('');
@@ -435,7 +480,7 @@ function CompleteModal({ onClose, onSubmit }: {
     reader.readAsDataURL(file);
   };
 
-  const canSubmit = resultType === 'link' ? url.trim().length > 0 : fileData.length > 0;
+  const canSubmit = resultTitle.trim().length > 0 && (resultType === 'link' ? url.trim().length > 0 : fileData.length > 0);
 
   return (
     <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/40" onClick={onClose}>
@@ -445,6 +490,10 @@ function CompleteModal({ onClose, onSubmit }: {
           <button onClick={onClose} className="p-1 rounded hover:bg-[var(--bg-subtle)] text-[var(--ink-muted)]"><X className="h-4 w-4" /></button>
         </div>
         <div className="space-y-3">
+          <div>
+            <label className="block text-[11px] font-medium text-[var(--ink-soft)] mb-1">成果标题<span className="text-red-500 ml-0.5">*</span></label>
+            <input value={resultTitle} onChange={(e) => setResultTitle(e.target.value)} placeholder="如 v1.0 产品方案" className="h-9 w-full rounded-lg border border-[var(--line)] bg-[var(--bg-card)] px-3 text-[13px] focus:border-[var(--accent)] focus:outline-none" />
+          </div>
           <div className="flex gap-2">
             <button type="button" onClick={() => setResultType('link')} className={`h-8 px-3 rounded-lg text-[12px] font-medium border transition-colors ${resultType === 'link' ? 'border-[var(--accent)] bg-[var(--accent-soft)] text-[var(--accent)]' : 'border-[var(--line)] text-[var(--ink-soft)]'}`}>链接</button>
             <button type="button" onClick={() => setResultType('file')} className={`h-8 px-3 rounded-lg text-[12px] font-medium border transition-colors ${resultType === 'file' ? 'border-[var(--accent)] bg-[var(--accent-soft)] text-[var(--accent)]' : 'border-[var(--line)] text-[var(--ink-soft)]'}`}>文件</button>
@@ -459,7 +508,7 @@ function CompleteModal({ onClose, onSubmit }: {
           )}
           <div className="flex justify-end gap-2 pt-2">
             <button onClick={onClose} className="h-8 px-3 rounded-lg text-[12px] font-medium border border-[var(--line)] text-[var(--ink-soft)] hover:bg-[var(--bg-subtle)]">取消</button>
-            <button onClick={() => onSubmit({ resultType, resultUrl: resultType === 'link' ? url.trim() : fileData, resultFileName: fileName || undefined, resultFileData: resultType === 'file' ? fileData : undefined })} disabled={!canSubmit} className="h-8 px-4 rounded-lg text-[12px] font-medium bg-[var(--accent)] text-white hover:bg-[var(--accent-hover)] disabled:opacity-50">确认</button>
+            <button onClick={() => onSubmit({ resultType, resultTitle: resultTitle.trim(), resultUrl: resultType === 'link' ? url.trim() : fileData, resultFileName: fileName || undefined, resultFileData: resultType === 'file' ? fileData : undefined })} disabled={!canSubmit} className="h-8 px-4 rounded-lg text-[12px] font-medium bg-[var(--accent)] text-white hover:bg-[var(--accent-hover)] disabled:opacity-50">确认</button>
           </div>
         </div>
       </div>

apps/web/components/version/VersionRequirementsTab.tsx

@@ -6,6 +6,7 @@ import type { Requirement, ChangeReason } from '@/lib/requirement';
 import type { DevTask } from '@/lib/dev-task';
 import { REQ_STATUS_LABEL, REQ_STATUS_COLOR, CHANGE_REASON_LABEL } from '@/lib/requirement';
 import { deriveReqDevStatus, canEditRequirement, REQ_DEV_STATUS_LABEL, REQ_DEV_STATUS_COLOR } from '@/lib/linkage-engine';
+import { getProjectAdoptedRequirementCandidates } from '@/lib/requirement-selector';
 
 interface Props {
   versionId: string;
@@ -23,7 +24,7 @@ export function VersionRequirementsTab({ versionId, projectId, requirements, dev
   const [showAddModal, setShowAddModal] = useState(false);
   const [showChangeModal, setShowChangeModal] = useState(false);
   const linkedReqs = requirements.filter((r) => r.versionId === versionId);
-  const availableReqs = requirements.filter((r) => r.projectId === projectId && !r.versionId && r.status === 'adopted');
+  const availableReqs = getProjectAdoptedRequirementCandidates(requirements, projectId).filter((r) => !r.versionId);
 
   return (
     <div className="space-y-4">
@@ -43,7 +44,7 @@ export function VersionRequirementsTab({ versionId, projectId, requirements, dev
 
       {linkedReqs.length === 0 ? (
         <div className="rounded-xl border border-[var(--line)] bg-[var(--bg-card)] p-12 text-center text-[13px] text-[var(--ink-muted)]">
-          暂无关联需求，从需求池中添加
+          暂无关联需求，从当前项目已采纳需求中添加
         </div>
       ) : (
         <div className="rounded-xl border border-[var(--line)] bg-[var(--bg-card)] overflow-hidden">
@@ -213,7 +214,7 @@ function AddRequirementModal({ available, onClose, onConfirm }: {
     <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/40" onClick={onClose}>
       <div className="w-full max-w-lg rounded-2xl bg-[var(--bg-card)] border border-[var(--line)] shadow-[var(--shadow-md)] flex flex-col max-h-[70vh]" onClick={(e) => e.stopPropagation()}>
         <div className="flex items-center justify-between px-5 py-4 border-b border-[var(--line)]">
-          <h3 className="text-[13px] font-semibold text-[var(--ink)]">从需求池添加</h3>
+          <h3 className="text-[13px] font-semibold text-[var(--ink)]">从项目已采纳需求添加</h3>
           <button onClick={onClose} className="p-1 rounded hover:bg-[var(--bg-subtle)] text-[var(--ink-muted)]"><X className="h-4 w-4" /></button>
         </div>
         <div className="px-5 py-3 border-b border-[var(--line)]">
@@ -221,6 +222,15 @@ function AddRequirementModal({ available, onClose, onConfirm }: {
             <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-[var(--ink-muted)]" />
             <input value={search} onChange={(e) => setSearch(e.target.value)} placeholder="搜索需求编号或标题" className="h-8 w-full rounded-lg border border-[var(--line)] bg-[var(--bg)] pl-9 pr-3 text-[12px] focus:border-[var(--accent)] focus:outline-none" />
           </div>
+          {filtered.length > 0 && (
+            <div className="mt-2 flex items-center justify-between">
+              <span className="text-[11px] text-[var(--ink-muted)]">当前筛选 {filtered.length} 条，已选 {selected.size} 条</span>
+              <div className="flex gap-2">
+                <button type="button" onClick={() => setSelected(new Set(filtered.map((r) => r.id)))} className="text-[11px] text-[var(--accent)] hover:underline">全选</button>
+                <button type="button" onClick={() => setSelected(new Set())} className="text-[11px] text-[var(--ink-muted)] hover:underline">清空</button>
+              </div>
+            </div>
+          )}
         </div>
         <div className="flex-1 overflow-y-auto px-5 py-3">
           {filtered.length === 0 ? (