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/stores/useWorkActivityStore.ts

@@ -1,7 +1,7 @@
 'use client';
 import { create } from 'zustand';
 import { formatLocalDate } from '@/lib/format';
-import { mergeWorkActivities, type WorkActivity, type WorkActivityDraft } from '@/lib/work-activity';
+import { type WorkActivity, type WorkActivityDraft } from '@/lib/work-activity';
 import { makeProgressNoteActivity, type ProgressNoteActivityInput } from '@/lib/work-activity-factory';
 import {
   createWorkActivityDomain,
@@ -9,7 +9,7 @@ import {
   listWorkActivitiesDomain,
 } from '@/lib/domain-api';
 import { scheduleSaveWithOptimisticRollback } from '@/lib/optimistic-persistence';
-import { loadServerData, saveServerData, SERVER_DATA_CACHE_MS } from '@/lib/server-data';
+import { SERVER_DATA_CACHE_MS } from '@/lib/server-data';
 
 interface WorkActivityState {
   activities: WorkActivity[];
@@ -22,32 +22,6 @@ interface WorkActivityState {
 
 let lastActivitiesFetchAt = 0;
 
-async function saveStored(
-  items: WorkActivity[],
-  setActivities?: (items: WorkActivity[]) => void,
-  options: { mergeRemote?: boolean } = {},
-) {
-  try {
-    if (options.mergeRemote === false) {
-      await saveServerData('work-activities', items);
-      return;
-    }
-    const remote = await loadServerData<WorkActivity[]>('work-activities', { force: true });
-    const merged = mergeWorkActivities(Array.isArray(remote) ? remote : [], items);
-    setActivities?.(merged);
-    await saveServerData('work-activities', merged);
-  } catch {
-    saveServerData('work-activities', items).catch(() => {});
-  }
-}
-
-async function loadStored(): Promise<WorkActivity[] | null> {
-  try {
-    return await loadServerData<WorkActivity[]>('work-activities');
-  } catch {}
-  return null;
-}
-
 function createActivityId(): string {
   return `act-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`;
 }
@@ -58,7 +32,7 @@ export const useWorkActivityStore = create<WorkActivityState>((set, get) => ({
 
   fetchActivities: async (options) => {
     if (!options?.force && get().loaded && Date.now() - lastActivitiesFetchAt < SERVER_DATA_CACHE_MS) return;
-    const cached = await listWorkActivitiesDomain().catch(loadStored);
+    const cached = await listWorkActivitiesDomain().catch(() => []);
     if (!options?.force && get().loaded && Date.now() - lastActivitiesFetchAt < SERVER_DATA_CACHE_MS) return;
     lastActivitiesFetchAt = Date.now();
     set({ activities: cached ?? [], loaded: true });
@@ -77,15 +51,11 @@ export const useWorkActivityStore = create<WorkActivityState>((set, get) => ({
     set({ activities: updated, loaded: true });
     scheduleSaveWithOptimisticRollback({
       save: async () => {
-        try {
-          const created = await createWorkActivityDomain(item);
-          set({
-            activities: get().activities.map((activity) => (activity.id === item.id ? { ...item, ...created } : activity)),
-            loaded: true,
-          });
-        } catch {
-          await saveStored(updated, (activities) => set({ activities, loaded: true }));
-        }
+        const created = await createWorkActivityDomain(item);
+        set({
+          activities: get().activities.map((activity) => (activity.id === item.id ? { ...item, ...created } : activity)),
+          loaded: true,
+        });
       },
       expected: updated,
       getCurrent: () => get().activities,
@@ -104,11 +74,7 @@ export const useWorkActivityStore = create<WorkActivityState>((set, get) => ({
     set({ activities: updated, loaded: true });
     scheduleSaveWithOptimisticRollback({
       save: async () => {
-        try {
-          await deleteWorkActivityDomain(id);
-        } catch {
-          await saveStored(updated, (activities) => set({ activities, loaded: true }), { mergeRemote: false });
-        }
+        await deleteWorkActivityDomain(id);
       },
       expected: updated,
       getCurrent: () => get().activities,