Ship signup sheet, subscribe reminders, cover crop, and theme updates.

Wire real WeChat app config, prefer activity cover over posters, and add admin cover cropping for the home banner.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/routes/public.js

@@ -148,12 +148,24 @@ router.delete('/activity/past/:id', userAuth, requireUserAdmin, (req, res) => {
   ok(res, { id: removed })
 })
 
+router.get('/subscribe/config', (req, res) => {
+  const settings = db.read().settings || {}
+  const tmplId = str(settings.subscribeTmplId)
+  ok(res, {
+    enabled: !!tmplId,
+    tmplIds: tmplId ? [tmplId] : [],
+    notice: '提交即视为同意接收活动提醒'
+  })
+})
+
 router.post('/signup', userAuth, (req, res) => {
   const body = req.body || {}
   const activityId = str(body.activityId)
   const name = str(body.name, 20)
   const phone = str(body.phone)
   let sourceSharer = str(body.sourceSharer, 64)
+  // accept / reject / ban / filter / none — matches wx.requestSubscribeMessage result values
+  const remindStatus = str(body.remindStatus || 'none', 16) || 'none'
   if (!activityId || !name || !phone) return fail(res, 400, '请填写姓名和手机号')
   if (!PHONE_RE.test(phone)) return fail(res, 400, '请填写正确的手机号')
   if (sourceSharer === req.user.openid) sourceSharer = ''
@@ -172,7 +184,10 @@ router.post('/signup', userAuth, (req, res) => {
       name,
       phone,
       company: str(body.company, 40),
+      position: str(body.position, 40),
       sourceSharer,
+      remindStatus,
+      remindAccepted: remindStatus === 'accept',
       createdAt: new Date().toISOString(),
       checkedIn: false,
       checkedInAt: ''