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/components/requirement/RequirementModal.tsx

@@ -18,7 +18,6 @@ interface RequirementModalProps {
   currentUserName: string;
   onClose: () => void;
   onSubmit: (data: any) => void;
-  onOpenDrawer: (type: 'source' | 'type' | 'platform') => void;
 }
 
 const PRIORITIES: Priority[] = ['P0', 'P1', 'P2', 'P3', 'P4'];
@@ -45,7 +44,6 @@ export function RequirementModal({
   currentUserName,
   onClose,
   onSubmit,
-  onOpenDrawer,
 }: RequirementModalProps) {
   const [title, setTitle] = useState('');
   const [description, setDescription] = useState('');
@@ -289,13 +287,6 @@ export function RequirementModal({
                 <label className="text-[12px] font-medium text-[var(--ink-soft)]">
                   {SOURCE_TARGET_LABEL[sourceType]}
                 </label>
-                <button
-                  type="button"
-                  onClick={() => onOpenDrawer('source')}
-                  className="text-[11px] text-[var(--accent)] hover:underline"
-                >
-                  管理
-                </button>
               </div>
               <div className="relative">
                 <button
@@ -494,13 +485,6 @@ export function RequirementModal({
           <div>
             <div className="flex items-center justify-between mb-1.5">
               <label className="text-[12px] font-medium text-[var(--ink-soft)]">支持端</label>
-              <button
-                type="button"
-                onClick={() => onOpenDrawer('platform')}
-                className="text-[11px] text-[var(--accent)] hover:underline"
-              >
-                管理
-              </button>
             </div>
             <div className="relative">
               <button
@@ -538,13 +522,6 @@ export function RequirementModal({
           <div>
             <div className="flex items-center justify-between mb-1.5">
               <label className="text-[12px] font-medium text-[var(--ink-soft)]">需求类型</label>
-              <button
-                type="button"
-                onClick={() => onOpenDrawer('type')}
-                className="text-[11px] text-[var(--accent)] hover:underline"
-              >
-                管理
-              </button>
             </div>
             <div className="relative">
               <button