fix:更新技术支持网址

Reviewed-on: #22

client/app/(onboarding)/onboarding.tsx

@@ -12,7 +12,7 @@ import { buildUserProfileFromQuestionnaire, mapOnboardingSelectionsToQuestionnai
 import { ensureDailyWidgetRecoUpToDate, syncWidgetConfig, syncWidgetUserProfileFromScoring } from '@/src/modules/dailyWidgetReco';
 import { toBackendLocaleFromLanguageTag } from '@/src/i18n/locale';
 import { fetchRecoFeed } from '@/src/services/recoApi';
-import { getExpoPushTokenOrThrow, registerPushToken, setPushPreferences } from '@/src/services/pushApi';
+import { ensurePushTokenRegisteredIfPermitted, setPushPreferences } from '@/src/services/pushApi';
 import {
   recordRecoFeedServed,
   setOnboardingCompleted,
@@ -128,7 +128,8 @@ export default function OnboardingScreen() {
     await setPushPromptState('unknown');
     try {
       const { status } = await Notifications.requestPermissionsAsync();
-      if (status !== 'granted') {
+      // iOS 可能出现 provisional（临时授权），也应视为“已授权”
+      if (status !== 'granted' && status !== ('provisional' as any)) {
         await setPushPromptState('skipped');
         return;
       }
@@ -140,10 +141,8 @@ export default function OnboardingScreen() {
         return;
       }
 
-      // 1) 获取 Expo Push Token（失败才认为“推送开启失败”）
-      const expoPushToken = await getExpoPushTokenOrThrow();
-      // 2) 上报 token 到后端（幂等；失败才认为“推送开启失败”）
-      await registerPushToken({ pushToken: expoPushToken });
+      // 1) 上报 token 到后端（幂等；失败才认为“推送开启失败”）
+      await ensurePushTokenRegisteredIfPermitted();
 
       // 3) 上报推送偏好（幂等）
       // 注意：这一步失败时，后端仍可能已成功接收 token。

client/app/_layout.tsx

@@ -87,6 +87,17 @@ export default function RootLayout() {
       });
   }, []);
 
+  useEffect(() => {
+    // 兜底：当用户在系统弹窗/系统设置里变更权限后，App 回到前台时再同步一次 token
+    const sub = AppState.addEventListener('change', (state) => {
+      if (state !== 'active') return;
+      ensurePushTokenRegisteredIfPermitted().catch(() => {
+        // ignore：不阻塞
+      });
+    });
+    return () => sub.remove();
+  }, []);
+
   useEffect(() => {
     // 字体与 i18n 都准备好后，允许渲染 App（原生 splash 的隐藏交给 onLayout，避免“硬切/闪白”）
     if (loaded && i18nReady) setAppReady(true);

client/components/home/ProfileModal.tsx

@@ -41,7 +41,7 @@ import QuestionIcon from '@/assets/images/home/Profile/widget/question_icon.svg'
 import * as Notifications from 'expo-notifications';
 import { changeLanguage } from '@/src/i18n';
 import { fetchLegalLinks } from '@/src/services/legalApi';
-import { ensurePushTokenRegisteredIfPermitted, getExpoPushTokenOrThrow, registerPushToken, setPushPreferences } from '@/src/services/pushApi';
+import { ensurePushTokenRegisteredIfPermitted, setPushPreferences } from '@/src/services/pushApi';
 
 const { width } = Dimensions.get('window');
 
@@ -430,14 +430,13 @@ function DailyReminderPage({ visible, onDone }: { visible: boolean; onDone: () =
       // 调试：打印状态
       console.log('Push Permission Status:', status);
 
-      if (status === 'granted') {
+      if (status === 'granted' || (status as any) === 'provisional') {
         setPushEnabled(true);
         setHasSystemPermission(true);
 
         // 获取 token 并上报后端（幂等）
         try {
-          const expoPushToken = await getExpoPushTokenOrThrow();
-          await registerPushToken({ pushToken: expoPushToken });
+          await ensurePushTokenRegisteredIfPermitted();
           // 偏好同步失败不应被用户感知为“开启失败”
           // （常见现象：后端已接收 token，但偏好接口短暂失败/超时）
           try {

client/ios/Podfile.lock

@@ -2540,30 +2540,30 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native/ReactCommon/yoga"
 
 SPEC CHECKSUMS:
-  EXApplication: 1e98d4b1dccdf30627f92917f4b2c5a53c330e5f
-  EXConstants: fce59a631a06c4151602843667f7cfe35f81e271
+  EXApplication: 13420f8139864183f8a04fd6099077bdf8cfb186
+  EXConstants: 3feb66fd1d94202fc1f0946d74e029d8b224b60e
   EXJSONUtils: 1d3e4590438c3ee593684186007028a14b3686cd
-  EXManifests: a8d97683e5c7a3b026ffbd58559c64dc655b747b
-  EXNotifications: 9eec98712cc814ceff916d876cb53859003b0597
-  Expo: 4e503a041c59c4e34c8be262a135848ad5cd3710
-  expo-dev-client: 425ee077d6754a98cfe3a2e2410d29b440b24c9d
-  expo-dev-launcher: a4f4cdef064ab1fb8621e5b8c7c457cd6e9568c3
-  expo-dev-menu: 05b18812110c175814c6af0d09dd658abcc5e00d
+  EXManifests: 83ef0844fcf06d6099b12a7bdbd7d36fc0e1dd16
+  EXNotifications: 2a3feb7af6194828d9aafda72f63a9a03866230a
+  Expo: b8d64eb9a496ebe8c71e3dae7eeb7f394b146b80
+  expo-dev-client: 12ef7d5b14d93e309922acea78dcd851db583a87
+  expo-dev-launcher: 47994056008ffdc30a6a5e328a375b3e30a8db05
+  expo-dev-menu: ea4fb803ace52e60d7cd8060c7cd379612a140b2
   expo-dev-menu-interface: 600df12ea01efecdd822daaf13cc0ac091775533
-  ExpoAsset: f867e55ceb428aab99e1e8c082b5aee7c159ea18
-  ExpoCrypto: b6105ebaa15d6b38a811e71e43b52cd934945322
-  ExpoDevice: 6327c3c200816795708885adf540d26ecab83d1a
-  ExpoFileSystem: 858a44267a3e6e9057e0888ad7c7cfbf55d52063
-  ExpoFont: f543ce20a228dd702813668b1a07b46f51878d47
-  ExpoHead: 4425246bc93411f0fe7f6945f95f698e91db8780
-  ExpoKeepAwake: 55f75eca6499bb9e4231ebad6f3e9cb8f99c0296
-  ExpoLinearGradient: 809102bdb979f590083af49f7fa4805cd931bd58
-  ExpoLinking: 8f0aaf69aa56f832913030503b6263dc6f647f37
-  ExpoLocalization: d9168d5300a5b03e5e78b986124d11fb6ec3ebbd
-  ExpoModulesCore: f3da4f1ab5a8375d0beafab763739dbee8446583
-  ExpoSplashScreen: bc3cffefca2716e5f22350ca109badd7e50ec14d
-  ExpoWebBrowser: 17b064c621789e41d4816c95c93f429b84971f52
-  EXUpdatesInterface: 5adf50cb41e079c861da6d9b4b954c3db9a50734
+  ExpoAsset: d999f3bbd998a750f3b74cb913229848901b926b
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+  ExpoDevice: 0773c782b055558ca9b40b74aa4a8133a66cd0d2
+  ExpoFileSystem: aefcd337b94b874f88752ebefc52813b84992fad
+  ExpoFont: c625dbd97ed57e9089b172b2a7bb99003d074664
+  ExpoHead: b691a2ed7ab02ed820b6c6468941832d34969c29
+  ExpoKeepAwake: 44bf6715bc1d2ddb17afe19d927cd039cda123f0
+  ExpoLinearGradient: 814a21fc4056c3cf606e4f19e31e47074c5b5a86
+  ExpoLinking: ebf543fd411d56375cb4eee07f6ab4e31c7ad959
+  ExpoLocalization: 6ac6f326210f0a3141ef6f58ab8f8f4ed003b485
+  ExpoModulesCore: 77496909fd3c800f97f7f2007dd26aeac4bb3798
+  ExpoSplashScreen: 72fbc6dd9d6404dd9d0725a56c9ac1383bc0b14f
+  ExpoWebBrowser: 88b116cd378d9609c776c0903fe4070fca461588
+  EXUpdatesInterface: 1436757deb0d574b84bba063bd024c315e0ec08b
   FBLazyVector: e95a291ad2dadb88e42b06e0c5fb8262de53ec12
   hermes-engine: 9f4dfe93326146a1c99eb535b1cb0b857a3cd172
   RCTDeprecation: 943572d4be82d480a48f4884f670135ae30bf990
@@ -2571,72 +2571,72 @@ SPEC CHECKSUMS:
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   React: 914f8695f9bf38e6418228c2ffb70021e559f92f
   React-callinvoker: 1c0808402aee0c6d4a0d8e7220ce6547af9fba71
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-  React-cxxreact: 3af79478e8187b63ffc22b794cd42d3fc1f1f2da
+  React-Core: 4ae98f9e8135b8ddbd7c98730afb6fdae883db90
+  React-Core-prebuilt: 8f4cca589c14e8cf8fc6db4587ef1c2056b5c151
+  React-CoreModules: e878a90bb19b8f3851818af997dbae3b3b0a27ac
+  React-cxxreact: 28af9844f6dc87be1385ab521fbfb3746f19563c
   React-debug: 6328c2228e268846161f10082e80dc69eac2e90a
-  React-defaultsnativemodule: d635ef36d755321e5d6fc065bd166b2c5a0e9833
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-  React-NativeModulesApple: 8969913947d5b576de4ed371a939455a8daf28aa
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   React-oscompat: ce47230ed20185e91de62d8c6d139ae61763d09c
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-  React-performancetimeline: 130db956b5a83aa4fb41ddf5ae68da89f3fb1526
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   React-RCTActionSheet: 0b14875b3963e9124a5a29a45bd1b22df8803916
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-  React-RCTVibration: 25f26b85e5e432bb3c256f8b384f9269e9529f25
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   React-rendererconsistency: 2dac03f448ff337235fd5820b10f81633328870d
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   ReactNativeDependencies: 71ce9c28beb282aa720ea7b46980fff9669f428a
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-  RNWorklets: 76fce72926e28e304afb44f0da23b2d24f2c1fa0
+  RNCAsyncStorage: e85a99325df9eb0191a6ee2b2a842644c7eb29f4
+  RNGestureHandler: 40c2d1c168e54715fe52e0fb16cb38c54611e4f3
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   Yoga: 5934998fbeaef7845dbf698f698518695ab4cd1a
 
 PODFILE CHECKSUM: c2c3838f0b2a579fef2350bff2ecaa005e27145d

client/src/services/pushApi.ts

@@ -7,10 +7,10 @@ import { httpJson } from '../utils/http';
 import { APP_ENV } from '../constants/env';
 import {
   getDailyReminderSettings,
-  getLastRegisteredPushToken,
+  getLastRegisteredPushPayload,
   getOrCreateClientUserId,
   getUserProfileScoring,
-  setLastRegisteredPushToken,
+  setLastRegisteredPushPayload,
 } from '../storage/appStorage';
 import type { UserProfileScoring } from '../storage/appStorage';
 import { toBackendLocaleFromLanguageTag } from '../i18n/locale';
@@ -160,19 +160,37 @@ export async function registerPushToken(args: { pushToken: string }): Promise<vo
   });
 }
 
+function isSystemNotificationPermissionGranted(status: unknown): boolean {
+  // iOS 可能出现 provisional（临时授权），在 Push 场景也应视为“可获取 token 并上报”
+  return status === 'granted' || status === 'provisional';
+}
+
 export async function ensurePushTokenRegisteredIfPermitted(): Promise<{ ok: boolean; reason: string }> {
   // 只要系统权限已授权，就应尽早把 token 写入后端（不依赖用户在“每日提醒”里点确认）
   const settings = await Notifications.getPermissionsAsync();
-  if (settings.status !== 'granted') return { ok: false, reason: 'permission_not_granted' };
+  if (!isSystemNotificationPermissionGranted(settings.status)) return { ok: false, reason: 'permission_not_granted' };
 
+  const clientUserId = await getOrCreateClientUserId();
   const token = await getExpoPushTokenOrThrow();
+  const env = toPushEnv(APP_ENV);
+  const appId = pickAppId();
 
-  // 简单去重：token 未变化则不重复上报（减少网络与日志噪音）
-  const last = await getLastRegisteredPushToken().catch(() => null);
-  if (last && String(last) === String(token)) return { ok: true, reason: 'already_registered' };
+  // 去重规则（更严格）：
+  // - 只有当 token + client_user_id + env + app_id 全都一致时才跳过
+  // - 避免出现“client_user_id 变化但 token 没变，导致后端绑定不更新”的问题
+  const last = await getLastRegisteredPushPayload().catch(() => null);
+  if (
+    last &&
+    last.pushToken === token &&
+    last.clientUserId === clientUserId &&
+    last.env === env &&
+    last.appId === appId
+  ) {
+    return { ok: true, reason: 'already_registered' };
+  }
 
   await registerPushToken({ pushToken: token });
-  await setLastRegisteredPushToken(token);
+  await setLastRegisteredPushPayload({ pushToken: token, clientUserId, env, appId });
   return { ok: true, reason: 'registered' };
 }
 

client/src/storage/appStorage.ts

@@ -18,8 +18,9 @@ const KEY_RECO_FEED_HISTORY = 'reco.feedHistory';
 const KEY_UI_THEME_MODE = 'ui.theme.mode';
 const KEY_UI_THEME_SUIXIN_STATE = 'ui.theme.suixin.state';
 const KEY_DAILY_REMINDER_SETTINGS = 'dailyReminder.settings';
-const KEY_PUSH_LAST_REGISTERED_TOKEN = 'push.lastRegisteredToken';
-const KEY_PUSH_LAST_REGISTERED_AT = 'push.lastRegisteredAt';
+const KEY_PUSH_LAST_REGISTERED_TOKEN = 'push.lastRegisteredToken'; // 旧：仅 token（保留兼容读取）
+const KEY_PUSH_LAST_REGISTERED_AT = 'push.lastRegisteredAt'; // 旧：时间（保留兼容）
+const KEY_PUSH_LAST_REGISTERED_PAYLOAD = 'push.lastRegisteredPayload'; // 新：token+client_user_id+env+app_id
 
 export type PushPromptState = 'enabled' | 'skipped' | 'unknown';
 export type Reaction = 'like' | 'dislike';
@@ -81,6 +82,36 @@ export async function setLastRegisteredPushToken(token: string): Promise<void> {
   await AsyncStorage.setItem(KEY_PUSH_LAST_REGISTERED_AT, new Date().toISOString());
 }
 
+export type LastRegisteredPushPayload = {
+  pushToken: string;
+  clientUserId: string;
+  env: 'dev' | 'prod';
+  appId: string;
+  savedAt: string; // ISO8601
+};
+
+export async function getLastRegisteredPushPayload(): Promise<LastRegisteredPushPayload | null> {
+  const raw = await AsyncStorage.getItem(KEY_PUSH_LAST_REGISTERED_PAYLOAD);
+  if (!raw) return null;
+  try {
+    const obj = JSON.parse(raw) as Partial<LastRegisteredPushPayload>;
+    if (!obj || typeof obj !== 'object') return null;
+    if (!obj.pushToken || !obj.clientUserId || !obj.env || !obj.appId || !obj.savedAt) return null;
+    if (obj.env !== 'dev' && obj.env !== 'prod') return null;
+    return obj as LastRegisteredPushPayload;
+  } catch {
+    return null;
+  }
+}
+
+export async function setLastRegisteredPushPayload(payload: Omit<LastRegisteredPushPayload, 'savedAt'>): Promise<void> {
+  const savedAt = new Date().toISOString();
+  const full: LastRegisteredPushPayload = { ...payload, savedAt };
+  await AsyncStorage.setItem(KEY_PUSH_LAST_REGISTERED_PAYLOAD, JSON.stringify(full));
+  // 同时写入旧 key，便于兼容老逻辑/快速排查
+  await setLastRegisteredPushToken(payload.pushToken);
+}
+
 export type RecoFeedCacheItem = {
   content_id: number;
   text: string;

server/alembic/versions/0003_add_push_send_log_payload.py

@@ -0,0 +1,31 @@
+"""add push_send_log payload snapshot
+
+Revision ID: 0003_add_push_send_log_payload
+Revises: 0002_init_push_tables
+Create Date: 2026-02-12
+
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "0003_add_push_send_log_payload"
+down_revision = "0002_init_push_tables"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column("push_send_log", sa.Column("content_id", sa.Integer(), nullable=True, comment="推送文案内容 ID（可选）"))
+    op.add_column("push_send_log", sa.Column("title", sa.String(length=128), nullable=True, comment="推送标题（可选）"))
+    op.add_column("push_send_log", sa.Column("body", sa.Text(), nullable=True, comment="推送正文（可选）"))
+
+
+def downgrade() -> None:
+    op.drop_column("push_send_log", "body")
+    op.drop_column("push_send_log", "title")
+    op.drop_column("push_send_log", "content_id")
+

server/app/api/v1/legal.py

@@ -14,6 +14,53 @@ router = APIRouter(prefix="/v1/legal", tags=["legal"])
 
 INTERNAL_SENTINEL = "__internal__"
 
+# 技术支持页文案（EN / TC）
+SUPPORT_MD = """Dear Mama | Technical Support
+Last updated: February 2026
+
+If you need technical support for Dear Mama, please contact us:
+- Support email: leitinglan@project-c.org
+
+Support scope (including but not limited to):
+- App installation or update issues
+- App crashes, freezes, or abnormal behavior
+- Notification or widget related issues
+- Difficulty accessing privacy policy or terms pages
+
+To help us process your request faster, please include:
+- Device model and OS version
+- App version
+- A brief issue description and occurrence time
+- Screenshots or screen recording (if available)
+
+Service commitment:
+- We generally respond within 3-5 business days
+- Emergency availability may vary by holidays and local time
+
+---
+Dear Mama｜技術支援
+最後更新日期：2026 年 2 月
+
+如需 Dear Mama 的技術支援，請透過以下方式聯絡我們：
+- 支援信箱：leitinglan@project-c.org
+
+支援範圍（包含但不限於）：
+- App 安裝或更新問題
+- App 閃退、卡頓或異常行為
+- 通知或小組件相關問題
+- 隱私政策或使用條款頁面無法開啟
+
+為了加快處理，建議提供：
+- 裝置型號與系統版本
+- App 版本號
+- 問題描述與發生時間
+- 截圖或螢幕錄影（如有）
+
+服務承諾：
+- 一般會在 3-5 個工作日內回覆
+- 節假日或時區差異時，回覆時間可能延長
+"""
+
 
 # 当前多语言仅支持 EN / TC（繁体）
 ResolvedLang = Literal["en", "tc"]
@@ -129,3 +176,17 @@ async def get_terms_of_use(request: Request) -> HTMLResponse:
     page = render_as_simple_html(title=title, content=content)
     return HTMLResponse(content=page, headers={"Content-Language": "en" if resolved == "en" else "zh-Hant"})
 
+
+@router.get("/support", response_class=HTMLResponse)
+async def get_support_page(request: Request) -> HTMLResponse:
+    """
+    技术支持页面（用于 App 审核的可访问 URL）。
+    """
+
+    accept_language = request.headers.get("accept-language")
+    lang = _resolve_lang(accept_language)
+    content, resolved = choose_content_by_lang(SUPPORT_MD, lang)
+    title = "Dear Mama | Technical Support" if resolved == "en" else "Dear Mama｜技術支援"
+    page = render_as_simple_html(title=title, content=content)
+    return HTMLResponse(content=page, headers={"Content-Language": "en" if resolved == "en" else "zh-Hant"})
+

server/app/api/v1/push.py

@@ -7,7 +7,7 @@ import httpx
 import redis
 from fastapi import APIRouter, Depends, Header, HTTPException, Query
 from pydantic import BaseModel, Field
-from sqlalchemy import select
+from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.api.limits import rate_limit_push_by_ip
@@ -153,6 +153,32 @@ async def register(req: PushRegisterRequest, db: AsyncSession = Depends(get_db))
         token.is_active = True
         token.last_seen_at = _ensure_utc(now)
 
+    # 额外：尽早写入/补齐时区与语言（用于按用户时区生成排程）
+    # 说明：
+    # - 用户首次授权后会立即调用 /register，但不一定马上进入“每日提醒”确认页
+    # - 若 push_preferences 里 timezone 为空，会导致排程回退到 UTC，体验不符合预期
+    if req.device_meta:
+        tz = (req.device_meta.timezone or "").strip() or None
+        loc = (req.device_meta.locale or "").strip() or None
+        if tz or loc:
+            qpref = select(PushPreference).where(PushPreference.client_user_id == req.client_user_id)
+            rpref = await db.execute(qpref)
+            pref = rpref.scalar_one_or_none()
+            if pref is None:
+                pref = PushPreference(
+                    client_user_id=req.client_user_id,
+                    enabled=False,
+                    times_per_day=0,
+                    timezone=tz,
+                    locale=loc,
+                )
+                db.add(pref)
+            else:
+                if tz and not (pref.timezone or "").strip():
+                    pref.timezone = tz
+                if loc and not (pref.locale or "").strip():
+                    pref.locale = loc
+
     await db.commit()
     return {"status": "ok"}
 
@@ -187,16 +213,20 @@ async def put_preferences(req: PushPreferencesRequest, db: AsyncSession = Depend
     else:
         pref.enabled = enabled
         pref.times_per_day = times
+        # 注意：只在客户端显式传入时覆盖，避免把已保存的 timezone/locale 清空导致排程回退到 UTC
+        if req.timezone is not None:
             pref.timezone = req.timezone
+        if req.locale is not None:
             pref.locale = req.locale
         if req.user_profile is not None:
             pref.user_profile_json = req.user_profile.model_dump(mode="json")
 
     await db.commit()
 
-    # 返回更新时间（从 ORM 读取到的可能不包含 server_onupdate，这里用 now 兜底）
-    updated_at = getattr(pref, "updated_at", None)
-    updated_at_iso = updated_at.isoformat() if isinstance(updated_at, datetime) else None
+    # 返回更新时间：
+    # - 某些运行环境/驱动组合下，commit 后访问 ORM 字段可能触发隐式 IO，导致 async 下报 MissingGreenlet。
+    # - 这里直接用当前时间兜底（字段本身为可选，仅用于前端展示）。
+    updated_at_iso = datetime.now(timezone.utc).isoformat()
 
     return PushPreferencesResponse(
         client_user_id=req.client_user_id,
@@ -296,6 +326,7 @@ async def scheduler_health(db: AsyncSession = Depends(get_db)) -> dict[str, Any]
         "worker": {"ok": False, "worker_count": 0},
         "beat": {"ok": False, "last_heartbeat_at": None, "age_seconds": None},
         "db": {"ok": False, "push_send_log_latest_created_at": None},
+        "db_push_tokens": {"ok": False, "count": None, "latest": None},
         "now_utc": datetime.now(timezone.utc).isoformat(),
     }
 
@@ -342,5 +373,36 @@ async def scheduler_health(db: AsyncSession = Depends(get_db)) -> dict[str, Any]
     except Exception as e:
         out["db"]["error"] = f"{type(e).__name__}: {e}"
 
+    # 4) DB：查询 push_tokens 计数与最近一条（用于确认 /v1/push/register 是否真正落库）
+    try:
+        qcount = select(func.count()).select_from(PushToken)
+        rcount = await db.execute(qcount)
+        cnt = int(rcount.scalar_one() or 0)
+
+        qlatest = select(PushToken).order_by(PushToken.last_seen_at.desc()).limit(1)
+        rlatest = await db.execute(qlatest)
+        t = rlatest.scalar_one_or_none()
+
+        latest_obj = None
+        if t is not None:
+            tok = str(t.push_token or "")
+            masked = tok[:10] + "***" + tok[-6:] if len(tok) > 20 else (tok[:6] + "***" if tok else "")
+            latest_obj = {
+                "id": int(getattr(t, "id", 0) or 0),
+                "client_user_id": str(t.client_user_id),
+                "env": str(t.env),
+                "app_id": str(t.app_id),
+                "platform": str(t.platform),
+                "is_active": bool(t.is_active),
+                "last_seen_at": t.last_seen_at.isoformat() if t.last_seen_at else None,
+                "push_token_masked": masked,
+            }
+
+        out["db_push_tokens"]["ok"] = True
+        out["db_push_tokens"]["count"] = cnt
+        out["db_push_tokens"]["latest"] = latest_obj
+    except Exception as e:
+        out["db_push_tokens"]["error"] = f"{type(e).__name__}: {e}"
+
     return out
 

server/app/db/models/push_send_log.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from datetime import date, datetime
 
-from sqlalchemy import Date, DateTime, Index, SmallInteger, String, Text, UniqueConstraint, func
+from sqlalchemy import Date, DateTime, Index, Integer, SmallInteger, String, Text, UniqueConstraint, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.db.base import Base
@@ -33,5 +33,10 @@ class PushSendLog(Base):
     status: Mapped[str] = mapped_column(String(length=16), nullable=False, server_default="scheduled", comment="scheduled/sent/failed")
     error: Mapped[str | None] = mapped_column(Text, nullable=True, comment="失败原因（可选）")
 
+    # 发送内容快照（用于观测 + 去重）
+    content_id: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="推送文案内容 ID（可选）")
+    title: Mapped[str | None] = mapped_column(String(length=128), nullable=True, comment="推送标题（可选）")
+    body: Mapped[str | None] = mapped_column(Text, nullable=True, comment="推送正文（可选）")
+
     created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=func.now(), comment="创建时间")
 

server/app/tasks/push.py

@@ -9,7 +9,7 @@ from zoneinfo import ZoneInfo
 
 import httpx
 from celery import current_app, shared_task
-from sqlalchemy import select
+from sqlalchemy import select, update
 
 from app.core.config import get_settings
 from app.db.models.push_preference import PushPreference
@@ -44,7 +44,8 @@ def _pick_reco_locale(pref_locale: Optional[str]) -> str:
 
 
 def _pick_title(locale: str) -> str:
-    return "每日提醒" if str(locale) == "tc" else "Daily Reminder"
+    # 需求：tc 语言使用繁体标题
+    return "每日推薦" if str(locale) == "tc" else "Daily Reminder"
 
 
 async def _send_expo_push(*, to: str, title: str, body: str, data: Optional[dict[str, Any]] = None) -> dict[str, Any]:
@@ -67,7 +68,11 @@ async def _send_expo_push(*, to: str, title: str, body: str, data: Optional[dict
 
 def _uniform_jitter_times(*, start: datetime, end: datetime, n: int) -> list[datetime]:
     """
-    将窗口均匀切分为 n 个区间，并在每段内随机取一个时间点（抖动）。
+    将窗口均匀切分为 n 个区间，并在每段内取“中点 + 受限抖动”的时间点。
+
+    目的：
+    - 尽量均匀分布（避免相邻两条推送随机到非常接近的时间）
+    - 仍保留一定随机性，避免过于机械
     """
 
     if n <= 0:
@@ -84,8 +89,15 @@ def _uniform_jitter_times(*, start: datetime, end: datetime, n: int) -> list[dat
         if seg <= 0:
             out.append(seg_start)
             continue
-        jitter = random.random() * seg
-        out.append(seg_start + timedelta(seconds=jitter))
+
+        # 受限抖动：在每段的 [25%, 75%] 区间内取点
+        # 这样相邻两段的最小间隔为 50% 段长，能显著减少“随机挤在一起”。
+        mid = seg_start + timedelta(seconds=seg * 0.5)
+        jitter = (random.random() - 0.5) * (seg * 0.5)  # [-0.25*seg, +0.25*seg]
+        out.append(mid + timedelta(seconds=jitter))
+
+    # 保序（理论上天然有序，这里再保险）
+    out.sort()
     return out
 
 
@@ -167,6 +179,7 @@ async def _generate_schedule_once(*, now_utc: datetime, max_users: int = 5000) -
                 created += 1
 
                 # 投递 ETA 发送任务
+                try:
                     current_app.send_task(
                         "tasks.push.send_scheduled",
                         kwargs={
@@ -177,6 +190,14 @@ async def _generate_schedule_once(*, now_utc: datetime, max_users: int = 5000) -
                         eta=dt_utc,
                     )
                     scheduled += 1
+                except Exception as e:
+                    # 关键：如果投递失败（例如 broker 短暂不可用），不要让 log 永远卡在 scheduled
+                    log.status = "failed"
+                    log.error = f"enqueue_failed:{type(e).__name__}"
+                    try:
+                        await session.commit()
+                    except Exception:
+                        await session.rollback()
 
     return {"created": created, "scheduled": scheduled}
 
@@ -209,6 +230,34 @@ async def _send_once_async(*, client_user_id: str, local_date: date, slot_index:
             return {"status": "noop", "reason": "no_log"}
         if str(log.status) == "sent":
             return {"status": "noop", "reason": "already_sent"}
+        if str(log.status) not in ("scheduled", "sending"):
+            # 例如 failed/skipped：不再重复尝试
+            return {"status": "noop", "reason": f"not_retryable:{log.status}"}
+
+        # 原子抢占：避免重复发送
+        # - scheduled：正常抢占 scheduled -> sending
+        # - sending：如果长时间卡在 sending（进程崩溃/网络异常等），允许“超时接管”继续执行
+        now_utc_naive = datetime.now(timezone.utc).replace(tzinfo=None)
+        steal_cutoff = now_utc_naive - timedelta(minutes=10)
+        res = await session.execute(
+            update(PushSendLog)
+            .where(
+                PushSendLog.id == log.id,
+                (
+                    (PushSendLog.status == "scheduled")
+                    | (
+                        (PushSendLog.status == "sending")
+                        & (PushSendLog.sent_at.is_(None))
+                        & (PushSendLog.scheduled_at <= steal_cutoff)
+                    )
+                ),
+            )
+            .values(status="sending", error=None)
+        )
+        await session.commit()
+        if (res.rowcount or 0) <= 0:
+            return {"status": "noop", "reason": "already_in_progress_or_processed"}
+        log.status = "sending"
 
         # 2) 当前偏好检查（用户可能中途关闭/改次数）
         qpref = select(PushPreference).where(PushPreference.client_user_id == client_user_id)
@@ -235,6 +284,7 @@ async def _send_once_async(*, client_user_id: str, local_date: date, slot_index:
             await session.commit()
             return {"status": "failed", "reason": "no_active_token"}
 
+        try:
             # 4) 生成文案（复用推荐模块 push 场景）
             reco_locale = str(normalize_locale(_pick_reco_locale(pref.locale)))
             title = _pick_title(reco_locale)
@@ -247,34 +297,76 @@ async def _send_once_async(*, client_user_id: str, local_date: date, slot_index:
                     build_user_profile_from_questionnaire(QuestionnaireAnswersV1_2()).model_dump()
                 )
 
-        # 直接复用 reco 的 Celery 任务实现（同步函数）
-        from app.tasks.reco import generate as reco_generate
+            # 关键：这里不能调用 tasks.reco.generate（内部会 asyncio.run），否则会嵌套事件循环崩溃。
+            from app.tasks.reco import run_reco_payload_async
 
-        reco_payload = reco_generate(scene="push", user_profile=user_profile.model_dump(), k=1, locale=reco_locale)
-        body = ""
+            # 去重：用户推送过的内容尽量不再推送
+            # 说明：
+            # - 依赖 push_send_log.content_id（需先完成对应 DB 迁移）
+            # - 为避免历史过长导致 already_recommended_ids 过大，这里取“最近若干条已推送内容”近似全量去重
+            used_ids: list[int] = []
             try:
+                qused = (
+                    select(PushSendLog.content_id)
+                    .where(
+                        PushSendLog.client_user_id == client_user_id,
+                        PushSendLog.content_id.is_not(None),
+                        PushSendLog.id != log.id,
+                    )
+                    # 优先排除最近发送过的内容
+                    .order_by(PushSendLog.local_date.desc(), PushSendLog.slot_index.desc())
+                    .limit(5000)
+                )
+                rused = await session.execute(qused)
+                used_ids = [int(x) for x in rused.scalars().all() if x is not None]
+            except Exception:
+                used_ids = []
+
+            body = ""
+            picked_content_id: int | None = None
+            try:
+                reco_payload = await run_reco_payload_async(
+                    scene="push",
+                    user_profile=user_profile,
+                    k=3,
+                    locale=reco_locale,
+                    already_recommended_ids=used_ids,
+                )
                 items = (reco_payload or {}).get("items") or []
                 if items and isinstance(items, list):
-                body = str(items[0].get("text") or "").strip()
+                    for it in items:
+                        if not isinstance(it, dict):
+                            continue
+                        cid = it.get("content_id")
+                        txt = str(it.get("text") or "").strip()
+                        if not txt:
+                            continue
+                        if cid is not None:
+                            try:
+                                cid_i = int(cid)
+                            except Exception:
+                                cid_i = None
+                        else:
+                            cid_i = None
+                        if cid_i is not None and cid_i in used_ids:
+                            continue
+                        picked_content_id = cid_i
+                        body = txt
+                        break
             except Exception:
                 body = ""
 
             if not body:
-            body = "给自己一句温柔的话。"
+                # tc 语言兜底文案使用繁体
+                body = "給自己一句溫柔的話。" if reco_locale == "tc" else "给自己一句温柔的话。"
 
             # 5) 发送
-        try:
             expo_res = await _send_expo_push(
                 to=str(token.push_token),
                 title=title,
                 body=body,
                 data={"client_user_id": client_user_id, "scene": "push"},
             )
-        except Exception as e:
-            log.status = "failed"
-            log.error = f"send_failed:{type(e).__name__}"
-            await session.commit()
-            return {"status": "failed", "error": str(e)}
 
             # 6) 解析 Expo 回执，必要时停用 token
             try:
@@ -297,8 +389,17 @@ async def _send_once_async(*, client_user_id: str, local_date: date, slot_index:
             log.status = "sent"
             log.sent_at = datetime.now(timezone.utc).replace(tzinfo=None)
             log.error = None
+            log.title = title
+            log.body = body
+            log.content_id = picked_content_id
             await session.commit()
             return {"status": "sent", "expo": expo_res}
+        except Exception as e:
+            # 兜底：任何未预期异常都不要让状态卡在 sending
+            log.status = "failed"
+            log.error = f"unexpected:{type(e).__name__}"
+            await session.commit()
+            return {"status": "failed", "error": str(e)}
 
 
 @shared_task(name="tasks.push.send_scheduled")
@@ -310,3 +411,50 @@ def send_scheduled(*, client_user_id: str, local_date: str, slot_index: int) ->
     d = date.fromisoformat(str(local_date))
     return asyncio.run(_send_once_async(client_user_id=str(client_user_id), local_date=d, slot_index=int(slot_index)))
 
+
+@shared_task(name="tasks.push.requeue_overdue")
+def requeue_overdue(*, grace_seconds: int = 300, limit: int = 200) -> dict[str, Any]:
+    """
+    补偿任务：扫描“已到时间但仍处于 scheduled”的记录并重新投递发送任务。
+
+    目的：
+    - 覆盖 broker 短暂不可用、worker 重启、ETA 任务丢失等导致的“scheduled 卡住”
+    - 与 send_scheduled 内部的原子状态抢占配合，避免重复发送
+    """
+
+    now_utc_naive = datetime.now(timezone.utc).replace(tzinfo=None)
+    cutoff = now_utc_naive - timedelta(seconds=int(grace_seconds))
+
+    async def _run() -> dict[str, Any]:
+        requeued = 0
+        async with AsyncSessionLocal() as session:
+            q = (
+                select(PushSendLog)
+                .where(
+                    PushSendLog.status.in_(("scheduled", "sending")),
+                    PushSendLog.sent_at.is_(None),
+                    PushSendLog.scheduled_at <= cutoff,
+                )
+                .order_by(PushSendLog.scheduled_at.asc())
+                .limit(int(limit))
+            )
+            rows = await session.execute(q)
+            logs = list(rows.scalars().all())
+            for log in logs:
+                try:
+                    current_app.send_task(
+                        "tasks.push.send_scheduled",
+                        kwargs={
+                            "client_user_id": str(log.client_user_id),
+                            "local_date": str(log.local_date),
+                            "slot_index": int(log.slot_index),
+                        },
+                    )
+                    requeued += 1
+                except Exception:
+                    # 忽略单条投递失败，交给下一轮补偿
+                    continue
+        return {"status": "ok", "requeued": requeued, "cutoff": cutoff.isoformat()}
+
+    return asyncio.run(_run())
+

server/app/tasks/reco.py

@@ -53,6 +53,45 @@ async def _run_reco_async(
         )
 
 
+async def run_reco_payload_async(
+    *,
+    scene: Scene,
+    user_profile: UserProfileV1_2,
+    already_recommended_ids: Optional[list[Any]] = None,
+    touched_or_viewed_ids: Optional[list[Any]] = None,
+    k: Optional[int] = None,
+    now: Optional[datetime] = None,
+    locale: Optional[str] = None,
+) -> dict[str, Any]:
+    """
+    在“已有事件循环”内运行推荐并返回 payload。
+
+    用途：
+    - 供 Push 等 async 任务内部调用，避免 `asyncio.run()` 嵌套导致 RuntimeError
+    - 也便于未来在 API/任务间复用
+    """
+
+    effective_now = _ensure_now(now)
+    effective_locale = _ensure_locale(locale)
+
+    # k 默认按场景（与 generate 保持一致）
+    if k is None:
+        k_i = 30 if scene == "feed" else 1
+    else:
+        k_i = int(k)
+
+    result = await _run_reco_async(
+        scene=scene,
+        user_profile=user_profile,
+        already_recommended_ids=list(already_recommended_ids or []),
+        touched_or_viewed_ids=list(touched_or_viewed_ids or []),
+        k=int(k_i),
+        now=effective_now,
+        locale=effective_locale,
+    )
+    return result.model_dump()
+
+
 def _run_reco_sync(
     *,
     scene: Scene,

server/app/worker.py

@@ -53,10 +53,19 @@ celery_app.conf.beat_schedule = {
     },
     "push-generate-daily-schedule": {
         "task": "tasks.push.generate_daily_schedule",
-        "schedule": crontab(minute=10, hour=0),
+        # 由“每天一次”调整为“每 2 小时一次”（UTC）
+        "schedule": crontab(minute=10, hour="*/2"),
         "kwargs": {"max_users": 5000},
         "options": {"queue": f"{prefix}:celery"},
     }
+    ,
+    # 补偿：每 5 分钟扫描一次 overdue scheduled 并重投递
+    "push-requeue-overdue": {
+        "task": "tasks.push.requeue_overdue",
+        "schedule": crontab(minute="*/5"),
+        "kwargs": {"grace_seconds": 300, "limit": 200},
+        "options": {"queue": f"{prefix}:celery"},
+    },
 }
 
 # 自动发现任务（约定：导入 app.tasks 触发其内部对子模块的显式导入）

spec_kit/overview.md

@@ -202,6 +202,7 @@
   - 后端新增内置协议内容页：
     - `GET /v1/legal/privacy`
     - `GET /v1/legal/terms`
+    - `GET /v1/legal/support`（技术支持页面，提供审核可用的公开支持信息）
   - 客户端新增协议接口封装 `client/src/services/legalApi.ts`
   - 客户端工程化：新增统一 HTTP 封装 `client/src/utils/http.ts`（baseURL/超时/JSON/统一错误），并将 `legalApi.ts` / `recoApi.ts` 接入
   - 客户端接入两处入口：`app/(splash)/splash.tsx`、`components/home/ProfileModal.tsx`