Refactor to generic ERP base

Remove influencer-specific features (campaigns, TikTok, gifts, shadow ledger,
contracts, briefings) and consolidate into a clean ERP foundation with core
bookkeeping, invoicing, receipts, tax reporting, and calendar functionality.
Reorganize database migrations into a clean numbered sequence.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/push/notification-scheduler.ts

@@ -7,7 +7,6 @@ import {
   sendPushToMultiple,
   createTaxDeadlinePayload,
   createInvoicePayload,
-  createCampaignDeadlinePayload,
   type PushSubscriptionKeys,
 } from './web-push'
 import type { NotificationSettings, NotificationType } from '@/types'
@@ -376,113 +375,3 @@ export async function sendInvoiceNotifications(
   return { sent, skipped }
 }
 
-/**
- * Send campaign deadline notifications
- */
-export async function sendCampaignNotifications(
-  supabase: SupabaseClient
-): Promise<{ sent: number; skipped: number }> {
-  let sent = 0
-  let skipped = 0
-
-  const today = new Date()
-  today.setHours(0, 0, 0, 0)
-  const todayStr = today.toISOString().split('T')[0]
-
-  const in3Days = new Date(today)
-  in3Days.setDate(in3Days.getDate() + 3)
-  const in3DaysStr = in3Days.toISOString().split('T')[0]
-
-  // Fetch campaign deadlines due in 3 days or today
-  const { data: deadlines } = await supabase
-    .from('deadlines')
-    .select('id, user_id, title, due_date, campaign:campaigns(name)')
-    .neq('deadline_type', 'tax')
-    .not('campaign_id', 'is', null)
-    .eq('is_completed', false)
-    .in('due_date', [in3DaysStr, todayStr])
-
-  if (!deadlines || deadlines.length === 0) {
-    return { sent: 0, skipped: 0 }
-  }
-
-  // Group by user
-  const userDeadlines = new Map<string, typeof deadlines>()
-  for (const deadline of deadlines) {
-    const list = userDeadlines.get(deadline.user_id) || []
-    list.push(deadline)
-    userDeadlines.set(deadline.user_id, list)
-  }
-
-  for (const [userId, userDls] of userDeadlines) {
-    const settings = await getUserNotificationSettings(supabase, userId)
-
-    if (settings && !settings.campaign_deadlines_enabled) {
-      skipped += userDls.length
-      continue
-    }
-
-    if (settings && !settings.push_enabled) {
-      skipped += userDls.length
-      continue
-    }
-
-    if (settings && isWithinQuietHours(settings)) {
-      skipped += userDls.length
-      continue
-    }
-
-    const subscriptions = await getUserSubscriptions(supabase, userId)
-    if (subscriptions.length === 0) {
-      skipped += userDls.length
-      continue
-    }
-
-    for (const deadline of userDls) {
-      const daysUntil = Math.ceil(
-        (new Date(deadline.due_date).getTime() - today.getTime()) / (1000 * 60 * 60 * 24)
-      )
-
-      const alreadySent = await wasNotificationSent(
-        supabase,
-        userId,
-        'campaign_deadline',
-        deadline.id,
-        daysUntil
-      )
-
-      if (alreadySent) {
-        skipped++
-        continue
-      }
-
-      // campaign is a single object from the join, but TypeScript sees it as an array from select()
-      const campaign = deadline.campaign as unknown as { name: string } | null
-      const campaignName = campaign?.name || 'Kampanj'
-
-      const payload = createCampaignDeadlinePayload(
-        campaignName,
-        deadline.title,
-        deadline.due_date,
-        daysUntil,
-        deadline.id
-      )
-
-      const result = await sendPushToMultiple(subscriptions, payload)
-
-      await logNotification(supabase, userId, 'campaign_deadline', deadline.id, daysUntil)
-
-      if (result.goneSubscriptions.length > 0) {
-        await disableGoneSubscriptions(supabase, result.goneSubscriptions)
-      }
-
-      if (result.successful > 0) {
-        sent++
-      } else {
-        skipped++
-      }
-    }
-  }
-
-  return { sent, skipped }
-}

lib/push/web-push.ts

@@ -7,7 +7,7 @@ import webpush from 'web-push'
 // Configure web-push with VAPID keys
 const vapidPublicKey = process.env.NEXT_PUBLIC_VAPID_PUBLIC_KEY
 const vapidPrivateKey = process.env.VAPID_PRIVATE_KEY
-const vapidSubject = process.env.VAPID_SUBJECT || 'mailto:support@influencer-biz.se'
+const vapidSubject = process.env.VAPID_SUBJECT || 'mailto:support@erp-base.se'
 
 if (vapidPublicKey && vapidPrivateKey) {
   webpush.setVapidDetails(vapidSubject, vapidPublicKey, vapidPrivateKey)
@@ -191,35 +191,6 @@ export function createInvoicePayload(
   }
 }
 
-/**
- * Create notification payload for campaign deadline
- */
-export function createCampaignDeadlinePayload(
-  campaignName: string,
-  deliverableTitle: string,
-  dueDate: string,
-  daysUntil: number,
-  deadlineId: string
-): NotificationPayload {
-  const urgencyText = daysUntil === 0 ? 'IDAG!' : daysUntil === 1 ? 'imorgon' : `om ${daysUntil} dagar`
-
-  return {
-    title: `🎬 ${campaignName}`,
-    body: `${deliverableTitle} - leverans ${urgencyText}`,
-    icon: '/icons/icon-192.png',
-    badge: '/icons/badge-72.png',
-    tag: `campaign-deadline-${deadlineId}`,
-    data: {
-      url: '/calendar',
-      type: 'campaign_deadline',
-      id: deadlineId,
-    },
-    actions: [
-      { action: 'view', title: 'Visa' },
-    ],
-  }
-}
-
 /**
  * Format date for notifications
  */