refactor(data): 收口关系表运行时数据源

- 移除已迁移业务 AppData 运行时 fallback，改走领域 API 和关系表快读
- 补齐需求产品负责人、版本计划任务 JSON 和成员 username 回填迁移
- 统一治理字典入口，并补充 AI provider、数据源契约和领域服务测试

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

apps/web/app/overtime/page.tsx

@@ -47,7 +47,6 @@ function OvertimePageContent() {
   const [showReasonDrawer, setShowReasonDrawer] = useState(false);
 
   useEffect(() => { fetchOverview(); }, [fetchOverview]);
-  useEffect(() => { fetchRequirements(); }, [fetchRequirements]);
   useEffect(() => { fetchRecords(); }, [fetchRecords]);
   useEffect(() => { fetchMembers(); }, [fetchMembers]);
 
@@ -327,6 +326,7 @@ function OvertimePageContent() {
           versions={allVersions}
           reasons={reasons}
           requirements={requirements.map((r) => ({ id: r.id, title: r.title, versionId: r.versionId }))}
+          onVersionChange={(version) => fetchRequirements({ productId: version.productId, versionId: version.id })}
           onClose={() => setShowModal(false)}
           onSubmit={(data) => {
             createRecord(data as any);
@@ -408,13 +408,14 @@ function DepartmentButton({ active, label, count, hours, depth = 0, icon, onClic
   );
 }
 
-function OvertimeModal({ defaultPerson, products, projects, versions, reasons, requirements, onClose, onSubmit }: {
+function OvertimeModal({ defaultPerson, products, projects, versions, reasons, requirements, onVersionChange, onClose, onSubmit }: {
   defaultPerson: string;
   products: { id: string; name: string }[];
   projects: { id: string; name: string; productId: string }[];
-  versions: { id: string; name: string; projectId?: string }[];
+  versions: { id: string; name: string; productId: string; projectId?: string }[];
   reasons: { id: string; name: string }[];
   requirements: { id: string; title: string; versionId?: string }[];
+  onVersionChange: (version: { id: string; productId: string }) => void;
   onClose: () => void;
   onSubmit: (data: any) => void;
 }) {
@@ -469,7 +470,18 @@ function OvertimeModal({ defaultPerson, products, projects, versions, reasons, r
             </div>
             <div>
               <label className="text-[12px] font-medium text-[var(--ink-soft)] mb-1 block">版本 *</label>
-              <select value={versionId} onChange={(e) => setVersionId(e.target.value)} required 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">
+              <select
+                value={versionId}
+                onChange={(e) => {
+                  const nextVersionId = e.target.value;
+                  setVersionId(nextVersionId);
+                  setRequirementId('');
+                  const version = versions.find((item) => item.id === nextVersionId);
+                  if (version) onVersionChange(version);
+                }}
+                required
+                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"
+              >
                 <option value="">选择版本</option>
                 {filteredVersions.map((v) => <option key={v.id} value={v.id}>{v.name}</option>)}
               </select>