Revert "Add student birthday tracking with celebration banners and admin notification; v1.1.31"

This reverts commit c0a79b9ed0.

server/reminder.js

@@ -1,8 +1,7 @@
 import { Resend } from 'resend'
 import { state } from './state.js'
-import { queuePodcastChecklistWrite, queueCalendarEventsWrite, queueStudyUsersWrite } from './data.js'
+import { queuePodcastChecklistWrite, queueCalendarEventsWrite } from './data.js'
 import { DEFAULT_RESEND_FROM, DEFAULT_RESEND_TO } from './config.js'
-import { celebrationDateForYear } from './helpers.js'
 
 function toDateKey(date) {
   return date.toISOString().slice(0, 10)
@@ -65,63 +64,6 @@ async function checkReminders() {
     }
     if (changed) queueCalendarEventsWrite()
   }
-
-  // Birthdays — fire on the student's celebration day, once per calendar year
-  const users = state.studyUsers ?? []
-  let birthdayUsersChanged = false
-  const todayYear = new Date().getUTCFullYear()
-  const birthdayKids = []
-
-  for (const user of users) {
-    if (!user.birthdayMonth || !user.birthdayDay) continue
-    const celebDate = celebrationDateForYear(user, todayYear)
-    if (!celebDate) continue
-    if (todayKey !== celebDate) continue
-    if (user.birthdayEmailSentYear === todayYear) continue
-    birthdayKids.push({ name: user.displayName || user.username, birthdayMonth: user.birthdayMonth, birthdayDay: user.birthdayDay, hasAlternate: Boolean(user.birthdayAlternateMonth) })
-    user.birthdayEmailSentYear = todayYear
-    birthdayUsersChanged = true
-  }
-
-  if (birthdayKids.length > 0) {
-    await sendBirthdayNotificationEmail(birthdayKids)
-    if (birthdayUsersChanged) queueStudyUsersWrite()
-  }
-}
-
-async function sendBirthdayNotificationEmail(kids) {
-  if (!process.env.RESEND_API_KEY) return
-  try {
-    const resend = new Resend(process.env.RESEND_API_KEY)
-    const from = process.env.RESEND_FROM ?? DEFAULT_RESEND_FROM
-    const to = process.env.RESEND_TO ?? DEFAULT_RESEND_TO
-    const MONTHS = ['January','February','March','April','May','June','July','August','September','October','November','December']
-
-    const lines = kids.map(k => {
-      const bdayStr = `${MONTHS[k.birthdayMonth - 1]} ${k.birthdayDay}`
-      const alt = k.hasAlternate ? ' (celebrating on alternate date)' : ''
-      return `<li style="margin-bottom:6px"><strong>${k.name}</strong> — birthday: ${bdayStr}${alt}</li>`
-    }).join('')
-
-    const subject = kids.length === 1
-      ? `🎂 Birthday today: ${kids[0].name}`
-      : `🎂 ${kids.length} student birthdays today`
-
-    const html = `
-      <div style="font-family:system-ui,sans-serif;max-width:540px;margin:0 auto;color:#222">
-        <h2 style="color:#c8860a;margin-bottom:4px">🎂 Student Birthday Celebration</h2>
-        <p>The following student${kids.length > 1 ? 's have' : ' has'} a birthday celebration today — consider sending a special message or acknowledging them in your study community!</p>
-        <ul style="padding-left:1.2em">${lines}</ul>
-        <hr style="border:none;border-top:1px solid #eee;margin:16px 0">
-        <p style="color:#777;font-size:0.85rem">To edit birthday info, open the Study Users panel in your admin settings.</p>
-      </div>
-    `
-    const { error } = await resend.emails.send({ from, to, subject, html })
-    if (error) console.error('[birthday] send error:', error)
-    else console.log(`[birthday] notification sent for ${kids.map(k => k.name).join(', ')}`)
-  } catch (err) {
-    console.error('[birthday] send exception:', err)
-  }
 }
 
 const TYPE_ICONS = { episode: '📅', general: '📌', recording: '🎙️', social: '📱', task: '✅' }