New classification logic etc

app/(dashboard)/deadlines/page.tsx

@@ -0,0 +1,241 @@
+'use client'
+
+import { useState, useEffect, useCallback } from 'react'
+import Link from 'next/link'
+import { createClient } from '@/lib/supabase/client'
+import { useToast } from '@/components/ui/use-toast'
+import { DeadlineList } from '@/components/deadlines/DeadlineList'
+import { Card, CardContent } from '@/components/ui/card'
+import { Badge } from '@/components/ui/badge'
+import { AlertTriangle, ArrowRight } from 'lucide-react'
+import type { Deadline } from '@/types'
+
+export default function DeadlinesPage() {
+  const [deadlines, setDeadlines] = useState<Deadline[]>([])
+  const [customers, setCustomers] = useState<{ id: string; name: string }[]>([])
+  const [overdueInvoices, setOverdueInvoices] = useState<{ count: number; total: number }>({ count: 0, total: 0 })
+  const [isLoading, setIsLoading] = useState(true)
+  const { toast } = useToast()
+  const supabase = createClient()
+
+  const fetchData = useCallback(async () => {
+    setIsLoading(true)
+
+    try {
+      // Fetch deadlines with customer names
+      const { data: deadlinesData, error: deadlinesError } = await supabase
+        .from('deadlines')
+        .select('*, customer:customers(name)')
+        .order('due_date', { ascending: true })
+
+      if (deadlinesError) throw deadlinesError
+
+      // Fetch customers for the form
+      const { data: customersData, error: customersError } = await supabase
+        .from('customers')
+        .select('id, name')
+        .order('name', { ascending: true })
+
+      if (customersError) throw customersError
+
+      // Fetch overdue invoices summary
+      const today = new Date().toISOString().split('T')[0]
+      const { data: overdueData, error: overdueError } = await supabase
+        .from('invoices')
+        .select('total_sek, total')
+        .in('status', ['sent', 'unpaid'])
+        .lt('due_date', today)
+
+      if (overdueError) throw overdueError
+
+      const overdueCount = overdueData?.length || 0
+      const overdueTotal = (overdueData || []).reduce(
+        (sum, inv) => sum + (inv.total_sek || inv.total || 0),
+        0
+      )
+
+      setDeadlines(deadlinesData || [])
+      setCustomers(customersData || [])
+      setOverdueInvoices({ count: overdueCount, total: overdueTotal })
+    } catch {
+      toast({
+        title: 'Fel',
+        description: 'Kunde inte hamta data',
+        variant: 'destructive',
+      })
+    } finally {
+      setIsLoading(false)
+    }
+  }, [supabase, toast])
+
+  useEffect(() => {
+    fetchData()
+  }, [fetchData])
+
+  const handleDeadlineCreate = async (
+    data: Omit<Deadline, 'id' | 'user_id' | 'created_at' | 'updated_at'>
+  ) => {
+    try {
+      const response = await fetch('/api/deadlines', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data),
+      })
+
+      if (!response.ok) {
+        const result = await response.json()
+        throw new Error(result.error || 'Failed to create deadline')
+      }
+
+      toast({
+        title: 'Deadline skapad',
+        description: 'Din deadline har sparats',
+      })
+
+      fetchData()
+    } catch (error) {
+      toast({
+        title: 'Fel',
+        description: error instanceof Error ? error.message : 'Kunde inte skapa deadline',
+        variant: 'destructive',
+      })
+      throw error
+    }
+  }
+
+  const handleDeadlineToggle = async (deadline: Deadline) => {
+    try {
+      const response = await fetch(`/api/deadlines/${deadline.id}/complete`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ is_completed: !deadline.is_completed }),
+      })
+
+      if (!response.ok) {
+        const result = await response.json()
+        throw new Error(result.error || 'Failed to toggle deadline')
+      }
+
+      toast({
+        title: deadline.is_completed ? 'Markerad som ej klar' : 'Markerad som klar',
+      })
+
+      fetchData()
+    } catch (error) {
+      toast({
+        title: 'Fel',
+        description: error instanceof Error ? error.message : 'Kunde inte uppdatera deadline',
+        variant: 'destructive',
+      })
+    }
+  }
+
+  const handleDeadlineEdit = async (deadline: Deadline) => {
+    try {
+      const response = await fetch(`/api/deadlines/${deadline.id}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(deadline),
+      })
+
+      if (!response.ok) {
+        const result = await response.json()
+        throw new Error(result.error || 'Failed to edit deadline')
+      }
+
+      toast({
+        title: 'Deadline uppdaterad',
+        description: 'Dina andringar har sparats',
+      })
+
+      fetchData()
+    } catch (error) {
+      toast({
+        title: 'Fel',
+        description: error instanceof Error ? error.message : 'Kunde inte uppdatera deadline',
+        variant: 'destructive',
+      })
+    }
+  }
+
+  const handleDeadlineDelete = async (deadline: Deadline) => {
+    try {
+      const response = await fetch(`/api/deadlines/${deadline.id}`, {
+        method: 'DELETE',
+      })
+
+      if (!response.ok) {
+        const result = await response.json()
+        throw new Error(result.error || 'Failed to delete deadline')
+      }
+
+      toast({
+        title: 'Deadline borttagen',
+      })
+
+      fetchData()
+    } catch (error) {
+      toast({
+        title: 'Fel',
+        description: error instanceof Error ? error.message : 'Kunde inte ta bort deadline',
+        variant: 'destructive',
+      })
+    }
+  }
+
+  if (isLoading) {
+    return (
+      <div className="space-y-6">
+        <div>
+          <h1 className="text-3xl font-bold tracking-tight">Deadlines</h1>
+        </div>
+        <div className="animate-pulse">
+          <div className="h-10 bg-muted rounded w-48 mb-4" />
+          <div className="h-96 bg-muted rounded" />
+        </div>
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      <div>
+        <h1 className="text-3xl font-bold tracking-tight">Deadlines</h1>
+      </div>
+
+      {overdueInvoices.count > 0 && (
+        <Link href="/invoices?status=unpaid" className="block group">
+          <Card className="border-destructive/50 bg-destructive/5 hover:bg-destructive/10 transition-colors">
+            <CardContent className="p-4">
+              <div className="flex items-center justify-between">
+                <div className="flex items-center gap-3">
+                  <AlertTriangle className="h-5 w-5 text-destructive flex-shrink-0" />
+                  <div>
+                    <p className="font-medium text-sm">Forfallna fakturor</p>
+                    <p className="text-xs text-muted-foreground mt-0.5">
+                      {overdueInvoices.count} st totalt{' '}
+                      {overdueInvoices.total.toLocaleString('sv-SE')} kr
+                    </p>
+                  </div>
+                </div>
+                <div className="flex items-center gap-2">
+                  <Badge variant="destructive">{overdueInvoices.count}</Badge>
+                  <ArrowRight className="h-4 w-4 text-muted-foreground group-hover:translate-x-0.5 transition-transform" />
+                </div>
+              </div>
+            </CardContent>
+          </Card>
+        </Link>
+      )}
+
+      <DeadlineList
+        deadlines={deadlines}
+        customers={customers}
+        onDeadlineCreate={handleDeadlineCreate}
+        onDeadlineToggle={handleDeadlineToggle}
+        onDeadlineEdit={handleDeadlineEdit}
+        onDeadlineDelete={handleDeadlineDelete}
+      />
+    </div>
+  )
+}

app/(dashboard)/page.tsx

@@ -252,6 +252,13 @@ export default async function DashboardPage() {
     streak_count: streakCount,
   }
 
+  // Fetch enabled extension toggles
+  const { data: enabledToggles } = await supabase
+    .from('extension_toggles')
+    .select('sector_slug, extension_slug')
+    .eq('user_id', user.id)
+    .eq('enabled', true)
+
   return (
     <DashboardContent
       firstName={firstName}
@@ -272,6 +279,7 @@ export default async function DashboardPage() {
         missingUnderlagCount,
       }}
       onboardingProgress={onboardingProgress}
+      enabledExtensions={enabledToggles || []}
     />
   )
 }

app/api/admin/seed-template-embeddings/route.ts

@@ -0,0 +1,27 @@
+import { NextResponse } from 'next/server'
+import { seedAllTemplateEmbeddings, getSchemaVersion } from '@/lib/bookkeeping/template-embeddings'
+
+export async function POST(request: Request) {
+  const authHeader = request.headers.get('authorization')
+  const cronSecret = process.env.CRON_SECRET
+
+  if (!cronSecret || authHeader !== `Bearer ${cronSecret}`) {
+    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+  }
+
+  try {
+    const { seeded, errors } = await seedAllTemplateEmbeddings()
+
+    return NextResponse.json({
+      success: errors.length === 0,
+      seeded,
+      errors,
+      schema_version: getSchemaVersion(),
+    })
+  } catch (error) {
+    return NextResponse.json(
+      { error: `Seeding failed: ${error instanceof Error ? error.message : 'Unknown error'}` },
+      { status: 500 }
+    )
+  }
+}

app/api/transactions/suggest-categories/route.ts

@@ -104,7 +104,7 @@ export async function POST(request: Request) {
     }
 
     suggestions[tx.id] = result
-    template_suggestions[tx.id] = getSuggestedTemplates(tx as Transaction, entityType)
+    template_suggestions[tx.id] = await getSuggestedTemplates(tx as Transaction, entityType)
   }
 
   return NextResponse.json({ suggestions, template_suggestions })

app/page.tsx

@@ -198,6 +198,13 @@ export default async function RootPage() {
     streak_count: streakCount,
   }
 
+  // Fetch enabled extension toggles
+  const { data: enabledToggles } = await supabase
+    .from('extension_toggles')
+    .select('sector_slug, extension_slug')
+    .eq('user_id', user.id)
+    .eq('enabled', true)
+
   return (
     <div className="min-h-screen bg-background">
       <DashboardNav companyName={settings.company_name || 'Min verksamhet'} entityType={settings.entity_type || 'enskild_firma'} />
@@ -220,6 +227,7 @@ export default async function RootPage() {
               receiptQueue,
               missingUnderlagCount,
             }}
+            enabledExtensions={enabledToggles || []}
           />
         </div>
         <ChatWidget />

components/calendar/index.ts

@@ -1,12 +0,0 @@
-export { CalendarHeader } from './CalendarHeader'
-export { CalendarGrid } from './CalendarGrid'
-export { CalendarDayCell } from './CalendarDayCell'
-export { PaymentCalendar } from './PaymentCalendar'
-export { PaymentSummaryCard } from './PaymentSummaryCard'
-export { DayDetailModal } from './DayDetailModal'
-export { DeadlineCard } from './DeadlineCard'
-export { DeadlineFilters } from './DeadlineFilters'
-export { DeadlineForm } from './DeadlineForm'
-export { DeadlineList } from './DeadlineList'
-export { UpcomingDeadlinesWidget } from './UpcomingDeadlinesWidget'
-export { TaxTodoWidget } from './TaxTodoWidget'

components/dashboard/DashboardContent.tsx

@@ -12,7 +12,8 @@ import {
   getEnhancedTaxWarningStatus
 } from '@/lib/tax/calculator'
 import FSkattWarningCard from '@/components/dashboard/FSkattWarningCard'
-import { UpcomingDeadlinesWidget } from '@/components/calendar/UpcomingDeadlinesWidget'
+import { UpcomingDeadlinesWidget } from '@/components/deadlines/UpcomingDeadlinesWidget'
+import { TaxTodoWidget } from '@/components/deadlines/TaxTodoWidget'
 import NewUserChecklist from '@/components/onboarding/NewUserChecklist'
 import {
   TrendingUp,
@@ -27,9 +28,11 @@ import {
   Landmark,
   CheckCircle2,
   ClipboardList,
-  MessageCircle,
   FileWarning,
 } from 'lucide-react'
+import { getExtensionDefinition } from '@/lib/extensions/sectors'
+import { resolveIcon } from '@/lib/extensions/icon-resolver'
+import type { QuickActionDefinition } from '@/lib/extensions/types'
 import type { CompanySettings, EntityType, Deadline, ReceiptQueueSummary, OnboardingProgress } from '@/types'
 
 interface DashboardContentProps {
@@ -51,11 +54,31 @@ interface DashboardContentProps {
     missingUnderlagCount: number
   }
   onboardingProgress?: OnboardingProgress
+  enabledExtensions?: { sector_slug: string; extension_slug: string }[]
 }
 
-export default function DashboardContent({ firstName, settings, summary, onboardingProgress }: DashboardContentProps) {
+export default function DashboardContent({ firstName, settings, summary, onboardingProgress, enabledExtensions }: DashboardContentProps) {
   const [showAllAlerts, setShowAllAlerts] = useState(false)
   const [showMore, setShowMore] = useState(false)
+  const [liveExtensions, setLiveExtensions] = useState(enabledExtensions ?? [])
+
+  useEffect(() => {
+    setLiveExtensions(enabledExtensions ?? [])
+  }, [enabledExtensions])
+
+  useEffect(() => {
+    const handler = ((e: CustomEvent<{ sector_slug: string; extension_slug: string; enabled: boolean }>) => {
+      setLiveExtensions(prev => {
+        if (e.detail.enabled) {
+          if (prev.some(x => x.sector_slug === e.detail.sector_slug && x.extension_slug === e.detail.extension_slug)) return prev
+          return [...prev, { sector_slug: e.detail.sector_slug, extension_slug: e.detail.extension_slug }]
+        }
+        return prev.filter(x => !(x.sector_slug === e.detail.sector_slug && x.extension_slug === e.detail.extension_slug))
+      })
+    }) as EventListener
+    window.addEventListener('extension-toggle-changed', handler)
+    return () => window.removeEventListener('extension-toggle-changed', handler)
+  }, [])
 
   const entityType = (settings?.entity_type as EntityType) || 'enskild_firma'
   const preliminaryTaxMonthly = settings?.preliminary_tax_monthly || 0
@@ -205,7 +228,15 @@ export default function DashboardContent({ firstName, settings, summary, onboard
   const visibleAlerts = showAllAlerts ? alertItems : alertItems.slice(0, MAX_VISIBLE_ALERTS)
   const hasMoreAlerts = alertItems.length > MAX_VISIBLE_ALERTS
 
-  const openAiChat = () => window.dispatchEvent(new Event('open-ai-chat'))
+  // Build extension quick actions from enabled extensions
+  const extensionQuickActions: (QuickActionDefinition & { key: string })[] = liveExtensions
+    .map(toggle => {
+      const def = getExtensionDefinition(toggle.sector_slug, toggle.extension_slug)
+      if (!def?.quickAction) return null
+      return { ...def.quickAction, key: `${toggle.sector_slug}/${toggle.extension_slug}` }
+    })
+    .filter((a): a is QuickActionDefinition & { key: string } => a !== null)
+    .sort((a, b) => (a.order ?? 0) - (b.order ?? 0))
 
   // Quick action items
   const quickActions = [
@@ -242,7 +273,7 @@ export default function DashboardContent({ firstName, settings, summary, onboard
         const todoItems: { label: string; href: string; count: number; variant: 'destructive' | 'warning' | 'default' }[] = []
 
         if (passedDeadlines.length > 0) {
-          todoItems.push({ label: 'passerade deadlines', href: '/calendar', count: passedDeadlines.length, variant: 'destructive' })
+          todoItems.push({ label: 'passerade deadlines', href: '/deadlines', count: passedDeadlines.length, variant: 'destructive' })
         }
         if (summary.overdueInvoicesCount > 0) {
           todoItems.push({ label: 'förfallna fakturor', href: '/invoices?status=unpaid', count: summary.overdueInvoicesCount, variant: 'destructive' })
@@ -431,18 +462,42 @@ export default function DashboardContent({ firstName, settings, summary, onboard
               </Link>
             )
           })}
-          {/* AI assistant quick action */}
-          <button onClick={openAiChat} className="group text-left">
-            <div className="flex items-center gap-3 px-4 py-3 rounded-xl border border-border/40 hover:bg-muted/30 transition-colors duration-150">
-              <div className="p-2 rounded-lg bg-muted/50">
-                <MessageCircle className="h-4 w-4 text-muted-foreground" />
-              </div>
-              <div className="min-w-0">
-                <p className="text-sm font-medium truncate">AI-assistent</p>
-                <p className="text-xs text-muted-foreground truncate hidden md:block">Fråga om bokföring</p>
-              </div>
-            </div>
-          </button>
+          {/* Extension quick actions */}
+          {extensionQuickActions.map((action) => {
+            const Icon = resolveIcon(action.icon)
+            if (action.href) {
+              return (
+                <Link key={action.key} href={action.href} className="group">
+                  <div className="flex items-center gap-3 px-4 py-3 rounded-xl border border-border/40 hover:bg-muted/30 transition-colors duration-150">
+                    <div className="p-2 rounded-lg bg-muted/50">
+                      <Icon className="h-4 w-4 text-muted-foreground" />
+                    </div>
+                    <div className="min-w-0">
+                      <p className="text-sm font-medium truncate">{action.label}</p>
+                      <p className="text-xs text-muted-foreground truncate hidden md:block">{action.description}</p>
+                    </div>
+                  </div>
+                </Link>
+              )
+            }
+            return (
+              <button
+                key={action.key}
+                onClick={() => window.dispatchEvent(new Event(action.event!))}
+                className="group text-left"
+              >
+                <div className="flex items-center gap-3 px-4 py-3 rounded-xl border border-border/40 hover:bg-muted/30 transition-colors duration-150">
+                  <div className="p-2 rounded-lg bg-muted/50">
+                    <Icon className="h-4 w-4 text-muted-foreground" />
+                  </div>
+                  <div className="min-w-0">
+                    <p className="text-sm font-medium truncate">{action.label}</p>
+                    <p className="text-xs text-muted-foreground truncate hidden md:block">{action.description}</p>
+                  </div>
+                </div>
+              </button>
+            )
+          })}
         </div>
       </section>
 
@@ -453,6 +508,13 @@ export default function DashboardContent({ firstName, settings, summary, onboard
         </section>
       )}
 
+      {/* Tax todo widget — visible when there are incomplete tax deadlines */}
+      {summary.deadlines?.some(d => d.deadline_type === 'tax' && !d.is_completed) && (
+        <section className="mb-10">
+          <TaxTodoWidget deadlines={summary.deadlines} />
+        </section>
+      )}
+
       {/* Alerts section — always visible */}
       {alertItems.length > 0 && (
         <section id="alerts-section" className="mb-10">

components/dashboard/DashboardNav.tsx

@@ -46,7 +46,7 @@ interface NavItem {
 // All nav items for sidebar and mobile drawer
 const navItems: NavItem[] = [
   { href: '/', label: 'Översikt', icon: LayoutDashboard, group: 'main' },
-  { href: '/calendar', label: 'Kalender', icon: Calendar, group: 'main' },
+  { href: '/deadlines', label: 'Deadlines', icon: Calendar, group: 'main' },
   { href: '/invoices', label: 'Fakturor', icon: Receipt, group: 'finans' },
   { href: '/customers', label: 'Kunder', icon: Users, group: 'finans' },
   { href: '/suppliers', label: 'Leverantörer', icon: Building2, group: 'finans' },

components/deadlines/TaxTodoWidget.tsx

@@ -231,9 +231,9 @@ export function TaxTodoWidget({ deadlines, onStatusChange }: TaxTodoWidgetProps)
           </p>
         )}
 
-        <Link href="/calendar" className="block">
+        <Link href="/deadlines" className="block">
           <Button variant="ghost" className="w-full justify-between">
-            Visa alla skattedeadlines
+            Visa alla deadlines
             <ChevronRight className="h-4 w-4" />
           </Button>
         </Link>

components/deadlines/UpcomingDeadlinesWidget.tsx

@@ -201,9 +201,9 @@ export function UpcomingDeadlinesWidget({ deadlines, maxItems = 5, onStatusChang
           )
         })}
 
-        <Link href="/calendar" className="block">
+        <Link href="/deadlines" className="block">
           <Button variant="ghost" className="w-full justify-between mt-2">
-            Visa kalender
+            Visa alla deadlines
             <ChevronRight className="h-4 w-4" />
           </Button>
         </Link>

components/deadlines/index.ts

@@ -0,0 +1,6 @@
+export { DeadlineCard } from './DeadlineCard'
+export { DeadlineFilters } from './DeadlineFilters'
+export { DeadlineForm } from './DeadlineForm'
+export { DeadlineList } from './DeadlineList'
+export { UpcomingDeadlinesWidget } from './UpcomingDeadlinesWidget'
+export { TaxTodoWidget } from './TaxTodoWidget'

components/extensions/general/CalendarWorkspace.tsx

@@ -3,10 +3,11 @@
 import { useState, useEffect, useCallback } from 'react'
 import { createClient } from '@/lib/supabase/client'
 import { useToast } from '@/components/ui/use-toast'
-import { PaymentCalendar } from '@/components/calendar/PaymentCalendar'
+import { PaymentCalendar } from '@/extensions/general/calendar/components/PaymentCalendar'
+import type { WorkspaceComponentProps } from '@/lib/extensions/workspace-registry'
 import type { Invoice, Deadline } from '@/types'
 
-export default function CalendarPage() {
+export default function CalendarWorkspace({ userId }: WorkspaceComponentProps) {
   const [invoices, setInvoices] = useState<Invoice[]>([])
   const [deadlines, setDeadlines] = useState<Deadline[]>([])
   const [customers, setCustomers] = useState<{ id: string; name: string }[]>([])
@@ -18,7 +19,6 @@ export default function CalendarPage() {
     setIsLoading(true)
 
     try {
-      // Fetch invoices with customer names
       const { data: invoicesData, error: invoicesError } = await supabase
         .from('invoices')
         .select('*, customer:customers(name)')
@@ -26,7 +26,6 @@ export default function CalendarPage() {
 
       if (invoicesError) throw invoicesError
 
-      // Fetch deadlines with customer names
       const { data: deadlinesData, error: deadlinesError } = await supabase
         .from('deadlines')
         .select('*, customer:customers(name)')
@@ -34,7 +33,6 @@ export default function CalendarPage() {
 
       if (deadlinesError) throw deadlinesError
 
-      // Fetch customers for the form
       const { data: customersData, error: customersError } = await supabase
         .from('customers')
         .select('id, name')
@@ -45,10 +43,10 @@ export default function CalendarPage() {
       setInvoices(invoicesData || [])
       setDeadlines(deadlinesData || [])
       setCustomers(customersData || [])
-    } catch (error) {
+    } catch {
       toast({
         title: 'Fel',
-        description: 'Kunde inte hämta data',
+        description: 'Kunde inte hamta data',
         variant: 'destructive',
       })
     } finally {
@@ -101,7 +99,7 @@ export default function CalendarPage() {
       })
 
       fetchData()
-    } catch (error) {
+    } catch {
       toast({
         title: 'Fel',
         description: 'Kunde inte uppdatera deadline',
@@ -112,31 +110,20 @@ export default function CalendarPage() {
 
   if (isLoading) {
     return (
-      <div className="space-y-6">
-        <div>
-          <h1 className="text-3xl font-bold tracking-tight">Kalender</h1>
-        </div>
-        <div className="animate-pulse">
-          <div className="h-10 bg-muted rounded w-48 mb-4" />
-          <div className="h-96 bg-muted rounded" />
-        </div>
+      <div className="animate-pulse">
+        <div className="h-10 bg-muted rounded w-48 mb-4" />
+        <div className="h-96 bg-muted rounded" />
       </div>
     )
   }
 
   return (
-    <div className="space-y-6">
-      <div>
-        <h1 className="text-3xl font-bold tracking-tight">Kalender</h1>
-      </div>
-
-      <PaymentCalendar
-        invoices={invoices}
-        deadlines={deadlines}
-        customers={customers}
-        onDeadlineCreate={handleDeadlineCreate}
-        onDeadlineToggle={handleDeadlineToggle}
-      />
-    </div>
+    <PaymentCalendar
+      invoices={invoices}
+      deadlines={deadlines}
+      customers={customers}
+      onDeadlineCreate={handleDeadlineCreate}
+      onDeadlineToggle={handleDeadlineToggle}
+    />
   )
 }

extensions/general/ai-categorization/categorizer.ts

@@ -5,7 +5,9 @@
  * in server components or API routes.
  *
  * Provider-abstracted AI categorization for Swedish BAS account mapping.
- * Default implementation uses Claude Haiku for cost efficiency.
+ * Uses Claude Haiku with structured tool outputs for reliable JSON.
+ * Accepts pre-filtered candidate templates from embedding search (Tier 2)
+ * instead of dumping all ~100 templates into the prompt.
  */
 
 import 'server-only'
@@ -27,11 +29,29 @@ export interface TransactionForCategorization {
   currency: string
 }
 
+export interface AccountUsageEntry {
+  account_number: string
+  count: number
+}
+
+export interface MerchantHistoryEntry {
+  merchant_name: string
+  category: string
+  template_id: string | null
+  count: number
+}
+
 export interface CategorizationContext {
   entityType: EntityType
   recentHistory: { description: string; category: string }[]
 }
 
+export interface EnrichedCategorizationContext extends CategorizationContext {
+  candidateTemplates: BookingTemplate[]
+  userAccountUsage: AccountUsageEntry[]
+  merchantHistory: MerchantHistoryEntry[]
+}
+
 export interface CategorizationSuggestion {
   transactionId: string
   category: TransactionCategory
@@ -46,7 +66,7 @@ export interface CategorizationSuggestion {
 export interface CategorizationProvider {
   categorize(
     transactions: TransactionForCategorization[],
-    context: CategorizationContext
+    context: CategorizationContext | EnrichedCategorizationContext
   ): Promise<CategorizationSuggestion[]>
 }
 
@@ -76,11 +96,18 @@ function getCategoryAccountMap(entityType: EntityType): Record<string, { account
 }
 
 /**
- * Build an abbreviated template reference for the AI prompt.
- * Filters by direction (expense/income) to keep prompt concise.
+ * Build template reference from candidate templates (pre-filtered by embeddings)
+ * or fall back to full template list if no candidates provided.
  */
-function getTemplateReference(direction: 'expense' | 'income'): string {
-  return BOOKING_TEMPLATES
+function getTemplateReference(
+  direction: 'expense' | 'income',
+  candidateTemplates?: BookingTemplate[]
+): string {
+  const templates = candidateTemplates && candidateTemplates.length > 0
+    ? candidateTemplates
+    : BOOKING_TEMPLATES
+
+  return templates
     .filter((t) => t.direction === direction || t.direction === 'transfer')
     .map((t) => `${t.id}: ${t.name_sv} → ${t.debit_account}/${t.credit_account}`)
     .join('\n')
@@ -97,6 +124,38 @@ ICKE-AVDRAGSGILLA KOSTNADER (svensk skatterätt):
 - Telefon/dator vid blandad användning: Bara yrkesmässig del avdragsgill
 `
 
+// ============================================================
+// Classify Transaction Tool Schema
+// ============================================================
+
+const CLASSIFY_TOOL: Anthropic.Tool = {
+  name: 'classify_transactions',
+  description: 'Classify a batch of bank transactions into Swedish BAS accounts and booking templates.',
+  input_schema: {
+    type: 'object' as const,
+    properties: {
+      suggestions: {
+        type: 'array',
+        items: {
+          type: 'object',
+          properties: {
+            transactionId: { type: 'string', description: 'Transaction ID' },
+            templateId: { type: 'string', description: 'Booking template ID (from the provided templates list)' },
+            category: { type: 'string', description: 'Transaction category (e.g. expense_software, income_services, private)' },
+            basAccount: { type: 'string', description: 'BAS account number (4 digits)' },
+            taxCode: { type: ['string', 'null'], description: 'Tax code: MPI for deductible expenses with VAT, MP1 for income with VAT, null for VAT-exempt/private' },
+            confidence: { type: 'number', description: 'Confidence score 0.0-1.0' },
+            reasoning: { type: 'string', description: 'Short reasoning in Swedish' },
+            isPrivate: { type: 'boolean', description: 'Whether this is a private expense' },
+          },
+          required: ['transactionId', 'category', 'basAccount', 'confidence', 'reasoning', 'isPrivate'],
+        },
+      },
+    },
+    required: ['suggestions'],
+  },
+}
+
 // ============================================================
 // Anthropic Provider
 // ============================================================
@@ -116,23 +175,40 @@ export class AnthropicCategorizationProvider implements CategorizationProvider {
 
   async categorize(
     transactions: TransactionForCategorization[],
-    context: CategorizationContext
+    context: CategorizationContext | EnrichedCategorizationContext
   ): Promise<CategorizationSuggestion[]> {
     // Cap batch size
     const batch = transactions.slice(0, MAX_BATCH_SIZE)
     if (batch.length === 0) return []
 
+    const enriched = isEnrichedContext(context) ? context : null
     const privateAccount = context.entityType === 'aktiebolag' ? '2893' : '2013'
     const categoryAccountMap = getCategoryAccountMap(context.entityType)
 
-    // Build template references based on batch direction (most transactions will be same direction)
+    // Build template references — use candidate templates if available
     const hasExpenses = batch.some((t) => t.amount < 0)
     const hasIncome = batch.some((t) => t.amount > 0)
+    const candidates = enriched?.candidateTemplates
     const templateRef = [
-      hasExpenses ? `UTGIFTSMALLAR:\n${getTemplateReference('expense')}` : '',
-      hasIncome ? `INTÄKTSMALLAR:\n${getTemplateReference('income')}` : '',
+      hasExpenses ? `UTGIFTSMALLAR:\n${getTemplateReference('expense', candidates)}` : '',
+      hasIncome ? `INTÄKTSMALLAR:\n${getTemplateReference('income', candidates)}` : '',
     ].filter(Boolean).join('\n\n')
 
+    // Build account usage context
+    const accountUsageContext = enriched?.userAccountUsage && enriched.userAccountUsage.length > 0
+      ? `\nAnvändarens mest använda konton:\n${enriched.userAccountUsage
+          .slice(0, 15)
+          .map((a) => `- ${a.account_number} (${a.count} bokningar)`)
+          .join('\n')}`
+      : ''
+
+    // Build merchant history context
+    const merchantHistoryContext = enriched?.merchantHistory && enriched.merchantHistory.length > 0
+      ? `\nTidigare kategorisering av dessa handlare:\n${enriched.merchantHistory
+          .map((m) => `- "${m.merchant_name}" → ${m.category}${m.template_id ? ` (mall: ${m.template_id})` : ''} (${m.count}x)`)
+          .join('\n')}`
+      : ''
+
     const systemPrompt = `Du är expert på svensk bokföring och kategorisering av banktransaktioner enligt BAS-kontoplanen.
 Din uppgift är att kategorisera varje transaktion till rätt mall-ID (templateId) och BAS-konto.
 
@@ -181,29 +257,11 @@ REGLER:
       )
       .join('\n\n')
 
-    const userPrompt = `Kategorisera följande transaktioner:
-${historyContext}
+    const userPrompt = `Kategorisera följande transaktioner med classify_transactions-verktyget:
+${historyContext}${accountUsageContext}${merchantHistoryContext}
 
 TRANSAKTIONER:
-${transactionList}
-
-Returnera ett JSON-objekt med följande struktur:
-{
-  "suggestions": [
-    {
-      "transactionId": "id",
-      "category": "expense_software",
-      "templateId": "it_saas_subscription",
-      "basAccount": "5420",
-      "taxCode": "MPI",
-      "confidence": 0.9,
-      "reasoning": "Spotify-prenumeration, typisk programvarukostnad",
-      "isPrivate": false
-    }
-  ]
-}
-
-Returnera ENDAST JSON-objektet, ingen annan text.`
+${transactionList}`
 
     let lastError: Error | null = null
 
@@ -212,7 +270,15 @@ Returnera ENDAST JSON-objektet, ingen annan text.`
         const message = await this.client.messages.create({
           model: this.model,
           max_tokens: 4096,
-          system: systemPrompt,
+          system: [
+            {
+              type: 'text',
+              text: systemPrompt,
+              cache_control: { type: 'ephemeral' },
+            },
+          ],
+          tools: [CLASSIFY_TOOL],
+          tool_choice: { type: 'tool', name: 'classify_transactions' },
           messages: [
             {
               role: 'user',
@@ -221,33 +287,20 @@ Returnera ENDAST JSON-objektet, ingen annan text.`
           ],
         })
 
-        const content = message.content[0]
-        if (content.type !== 'text') {
-          throw new Error('Unexpected response type from AI')
+        // Extract tool_use block from response
+        const toolUseBlock = message.content.find(
+          (block) => block.type === 'tool_use' && block.name === 'classify_transactions'
+        )
+
+        if (!toolUseBlock || toolUseBlock.type !== 'tool_use') {
+          throw new Error('No tool_use block in AI response')
         }
 
-        // Strip markdown code blocks if present
-        let jsonText = content.text.trim()
-        if (jsonText.startsWith('```json')) {
-          jsonText = jsonText.slice(7)
-        } else if (jsonText.startsWith('```')) {
-          jsonText = jsonText.slice(3)
-        }
-        if (jsonText.endsWith('```')) {
-          jsonText = jsonText.slice(0, -3)
-        }
-        jsonText = jsonText.trim()
-
-        const parsed = JSON.parse(jsonText)
-        return this.validateSuggestions(parsed.suggestions || [], batch, context.entityType)
+        const input = toolUseBlock.input as { suggestions?: unknown[] }
+        return this.validateSuggestions(input.suggestions || [], batch, context.entityType)
       } catch (error) {
         lastError = error instanceof Error ? error : new Error('Unknown error')
 
-        // Don't retry on parse errors
-        if (error instanceof SyntaxError) {
-          throw new Error(`Failed to parse AI response: ${lastError.message}`)
-        }
-
         if (attempt < MAX_RETRIES - 1) {
           await sleep(RETRY_DELAY_MS * (attempt + 1))
         }
@@ -297,6 +350,12 @@ Returnera ENDAST JSON-objektet, ingen annan text.`
   }
 }
 
+function isEnrichedContext(
+  ctx: CategorizationContext | EnrichedCategorizationContext
+): ctx is EnrichedCategorizationContext {
+  return 'candidateTemplates' in ctx
+}
+
 function sleep(ms: number): Promise<void> {
   return new Promise((resolve) => setTimeout(resolve, ms))
 }

extensions/general/ai-categorization/index.ts

@@ -5,9 +5,13 @@ import {
   AnthropicCategorizationProvider,
   type CategorizationProvider,
   type TransactionForCategorization,
-  type CategorizationContext,
+  type EnrichedCategorizationContext,
   type CategorizationSuggestion,
+  type AccountUsageEntry,
+  type MerchantHistoryEntry,
 } from './categorizer'
+import { findSimilarTemplates } from '@/lib/bookkeeping/template-embeddings'
+import type { BookingTemplate } from '@/lib/bookkeeping/booking-templates'
 
 // ============================================================
 // Settings
@@ -117,7 +121,7 @@ export async function categorizeTransactions(
     currency: t.currency,
   }))
 
-  const context = await buildContext(userId, supabase)
+  const context = await buildEnrichedContext(userId, supabase, batch)
 
   const aiProvider = getProvider(settings.providerModel)
   const suggestions = await aiProvider.categorize(batch, context)
@@ -168,7 +172,7 @@ async function handleTransactionSynced(
       currency: t.currency,
     }))
 
-    const context = await buildContext(userId, supabase)
+    const context = await buildEnrichedContext(userId, supabase, batch)
     const aiProvider = getProvider(settings.providerModel)
     const suggestions = await aiProvider.categorize(batch, context)
 
@@ -194,7 +198,11 @@ async function handleTransactionSynced(
 // ============================================================
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-async function buildContext(userId: string, supabase: any): Promise<CategorizationContext> {
+async function buildEnrichedContext(
+  userId: string,
+  supabase: any,
+  transactions: TransactionForCategorization[]
+): Promise<EnrichedCategorizationContext> {
   // Fetch entity type
   const { data: companySettings } = await supabase
     .from('company_settings')
@@ -221,7 +229,92 @@ async function buildContext(userId: string, supabase: any): Promise<Categorizati
     })
   )
 
-  return { entityType, recentHistory }
+  // Fetch user's most-used accounts (top 30)
+  const { data: accountUsageRows } = await supabase
+    .from('journal_entry_lines')
+    .select('account_number')
+    .eq('user_id', userId)
+
+  const accountCounts = new Map<string, number>()
+  if (accountUsageRows) {
+    for (const row of accountUsageRows as { account_number: string }[]) {
+      accountCounts.set(row.account_number, (accountCounts.get(row.account_number) || 0) + 1)
+    }
+  }
+  const userAccountUsage: AccountUsageEntry[] = Array.from(accountCounts.entries())
+    .map(([account_number, count]) => ({ account_number, count }))
+    .sort((a, b) => b.count - a.count)
+    .slice(0, 30)
+
+  // Fetch merchant history for this batch's merchants
+  const merchantNames = [...new Set(
+    transactions
+      .map((t) => t.merchant_name)
+      .filter((n): n is string => n !== null && n.length > 0)
+  )]
+
+  let merchantHistory: MerchantHistoryEntry[] = []
+  if (merchantNames.length > 0) {
+    const { data: merchantRows } = await supabase
+      .from('transactions')
+      .select('merchant_name, category, template_id')
+      .eq('user_id', userId)
+      .not('is_business', 'is', null)
+      .neq('category', 'uncategorized')
+      .in('merchant_name', merchantNames)
+      .limit(200)
+
+    if (merchantRows) {
+      const merchantMap = new Map<string, MerchantHistoryEntry>()
+      for (const row of merchantRows as { merchant_name: string; category: string; template_id: string | null }[]) {
+        const key = `${row.merchant_name}:${row.category}`
+        const existing = merchantMap.get(key)
+        if (existing) {
+          existing.count++
+        } else {
+          merchantMap.set(key, {
+            merchant_name: row.merchant_name,
+            category: row.category,
+            template_id: row.template_id,
+            count: 1,
+          })
+        }
+      }
+      merchantHistory = Array.from(merchantMap.values())
+        .sort((a, b) => b.count - a.count)
+    }
+  }
+
+  // Find candidate templates via embedding search
+  // Use a representative subset of transactions to find candidates
+  const representativeTransactions = transactions.slice(0, 5)
+  const candidateMap = new Map<string, BookingTemplate>()
+
+  for (const tx of representativeTransactions) {
+    try {
+      const matches = await findSimilarTemplates(
+        tx as unknown as Transaction,
+        entityType
+      )
+      for (const m of matches) {
+        if (!candidateMap.has(m.template.id)) {
+          candidateMap.set(m.template.id, m.template)
+        }
+      }
+    } catch {
+      // Embedding search failed — continue without candidates
+    }
+  }
+
+  const candidateTemplates = Array.from(candidateMap.values())
+
+  return {
+    entityType,
+    recentHistory,
+    candidateTemplates,
+    userAccountUsage,
+    merchantHistory,
+  }
 }
 
 async function storeSuggestions(

extensions/general/calendar/components/PaymentCalendar.tsx

@@ -10,7 +10,7 @@ import { CalendarGrid } from './CalendarGrid'
 import { CalendarWeekView } from './CalendarWeekView'
 import { CalendarDayView } from './CalendarDayView'
 import { DayDetailModal } from './DayDetailModal'
-import { DeadlineForm } from './DeadlineForm'
+import { DeadlineForm } from '@/components/deadlines/DeadlineForm'
 
 interface PaymentCalendarProps {
   invoices: Invoice[]

extensions/general/calendar/index.ts

@@ -0,0 +1,7 @@
+import type { Extension } from '@/lib/extensions/types'
+
+export const calendarExtension: Extension = {
+  id: 'calendar',
+  name: 'Kalender',
+  version: '1.0.0',
+}

extensions/general/push-notifications/payload-builders.ts

@@ -152,7 +152,7 @@ export function createTaxDeadlinePayload(
     badge: '/icons/badge-72.png',
     tag: `tax-deadline-${deadlineId}`,
     data: {
-      url: '/calendar',
+      url: '/deadlines',
       type: 'tax_deadline',
       id: deadlineId,
     },

lib/bookkeeping/__tests__/booking-templates.test.ts

@@ -249,7 +249,7 @@ describe('findMatchingTemplates', () => {
       mcc_code: 5817,
     })
     const matches = findMatchingTemplates(tx)
-    expect(matches.length).toBeLessThanOrEqual(5)
+    expect(matches.length).toBeLessThanOrEqual(20)
   })
 
   it('results are sorted by confidence descending', () => {

lib/bookkeeping/__tests__/template-embeddings.test.ts

@@ -0,0 +1,199 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { makeTransaction, createMockSupabase } from '@/tests/helpers'
+import { BOOKING_TEMPLATES } from '../booking-templates'
+
+// Mock server-only (no-op in tests)
+vi.mock('server-only', () => ({}))
+
+// Mock OpenAI Embeddings
+vi.mock('@langchain/openai', () => {
+  class MockOpenAIEmbeddings {
+    embedQuery = vi.fn().mockResolvedValue(new Array(1536).fill(0.1))
+    embedDocuments = vi.fn().mockImplementation((texts: string[]) =>
+      Promise.resolve(texts.map(() => new Array(1536).fill(0.1)))
+    )
+  }
+  return { OpenAIEmbeddings: MockOpenAIEmbeddings }
+})
+
+// Mock Supabase
+const { supabase: mockSupabase, mockResult } = createMockSupabase()
+vi.mock('@/lib/supabase/server', () => ({
+  createServiceClient: vi.fn().mockResolvedValue(mockSupabase),
+}))
+
+describe('template-embeddings', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  describe('buildEmbeddingText', () => {
+    it('includes all relevant fields for a template', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      const template = BOOKING_TEMPLATES.find((t) => t.id === 'premises_rent')!
+      const text = buildEmbeddingText(template)
+
+      // Should include Swedish and English name
+      expect(text).toContain('Lokalhyra')
+      expect(text).toContain('Office rent')
+
+      // Should include description
+      expect(text).toContain(template.description_sv)
+
+      // Should include keywords
+      expect(text).toContain('hyra')
+      expect(text).toContain('lokal')
+
+      // Should include group
+      expect(text).toContain('premises')
+
+      // Should include direction
+      expect(text).toContain('utgift')
+
+      // Should include accounts
+      expect(text).toContain('5010')
+      expect(text).toContain('1930')
+    })
+
+    it('includes VAT treatment when present', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      const template = BOOKING_TEMPLATES.find((t) => t.id === 'premises_electricity')!
+      const text = buildEmbeddingText(template)
+
+      expect(text).toContain('standard_25')
+      expect(text).toContain('25%')
+    })
+
+    it('includes special rules when present', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      const template = BOOKING_TEMPLATES.find((t) => t.id === 'premises_rent')!
+      const text = buildEmbeddingText(template)
+
+      expect(text).toContain(template.special_rules_sv!)
+    })
+
+    it('includes MCC codes when present', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      const template = BOOKING_TEMPLATES.find((t) => t.id === 'premises_electricity')!
+      const text = buildEmbeddingText(template)
+
+      expect(text).toContain('4900')
+    })
+
+    it('includes deductibility note for non-full deductibility', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      const template = BOOKING_TEMPLATES.find((t) => t.deductibility === 'non_deductible')!
+      const text = buildEmbeddingText(template)
+
+      expect(text).toContain('non_deductible')
+    })
+
+    it('generates text for all 100 templates without error', async () => {
+      const { buildEmbeddingText } = await import('../template-embeddings')
+
+      for (const template of BOOKING_TEMPLATES) {
+        const text = buildEmbeddingText(template)
+        expect(text.length).toBeGreaterThan(10)
+      }
+    })
+  })
+
+  describe('buildTransactionQueryText', () => {
+    it('combines description, merchant, and direction', async () => {
+      const { buildTransactionQueryText } = await import('../template-embeddings')
+
+      const tx = makeTransaction({
+        description: 'SPOTIFY PREMIUM',
+        merchant_name: 'Spotify',
+        amount: -109,
+        mcc_code: 5815,
+      })
+
+      const text = buildTransactionQueryText(tx)
+
+      expect(text).toContain('SPOTIFY PREMIUM')
+      expect(text).toContain('Spotify')
+      expect(text).toContain('MCC 5815')
+      expect(text).toContain('utgift')
+    })
+
+    it('marks positive amounts as income', async () => {
+      const { buildTransactionQueryText } = await import('../template-embeddings')
+
+      const tx = makeTransaction({
+        description: 'Inbetalning',
+        amount: 5000,
+      })
+
+      const text = buildTransactionQueryText(tx)
+      expect(text).toContain('intäkt')
+    })
+
+    it('handles null merchant_name and mcc_code', async () => {
+      const { buildTransactionQueryText } = await import('../template-embeddings')
+
+      const tx = makeTransaction({
+        description: 'Some payment',
+        merchant_name: null,
+        mcc_code: null,
+        amount: -100,
+      })
+
+      const text = buildTransactionQueryText(tx)
+      expect(text).toContain('Some payment')
+      expect(text).toContain('utgift')
+      expect(text).not.toContain('MCC')
+    })
+  })
+
+  describe('getSchemaVersion', () => {
+    it('returns a consistent hash string', async () => {
+      const { getSchemaVersion } = await import('../template-embeddings')
+
+      const v1 = getSchemaVersion()
+      const v2 = getSchemaVersion()
+
+      expect(v1).toBe(v2)
+      expect(v1).toHaveLength(12)
+      expect(v1).toMatch(/^[a-f0-9]+$/)
+    })
+  })
+
+  describe('findSimilarTemplates', () => {
+    it('returns empty array on RPC error (graceful fallback)', async () => {
+      const { findSimilarTemplates } = await import('../template-embeddings')
+
+      // Mock staleness check
+      mockResult({ data: { schema_version: 'test' }, error: null })
+
+      const tx = makeTransaction({
+        description: 'SPOTIFY',
+        amount: -109,
+      })
+
+      // The mock will return error for the RPC call
+      mockResult({ data: null, error: { message: 'RPC failed' } })
+      const results = await findSimilarTemplates(tx)
+      expect(results).toEqual([])
+    })
+
+    it('returns empty array when no embeddings exist', async () => {
+      const { findSimilarTemplates } = await import('../template-embeddings')
+
+      mockResult({ data: [], error: null })
+
+      const tx = makeTransaction({
+        description: 'Random purchase',
+        amount: -50,
+      })
+
+      const results = await findSimilarTemplates(tx)
+      expect(results).toEqual([])
+    })
+  })
+})

lib/bookkeeping/booking-templates.ts

@@ -617,7 +617,7 @@ export const BOOKING_TEMPLATES: readonly BookingTemplate[] = [
     deductibility: 'full',
     special_rules_sv: 'Ofta utländsk leverantör (USA) med omvänd skattskyldighet',
     mcc_codes: [],
-    keywords: ['openai', 'chatgpt', 'anthropic', 'claude', 'ai', 'midjourney', 'copilot'],
+    keywords: ['openai', 'chatgpt', 'anthropic', 'claude', 'ai', 'midjourney', 'copilot', 'mistral', 'claude', 'gemini'],
     risk_level: 'NONE',
     requires_review: false,
     impact_score: 7,
@@ -663,7 +663,7 @@ export const BOOKING_TEMPLATES: readonly BookingTemplate[] = [
     vat_rate: 0.25,
     deductibility: 'full',
     mcc_codes: [5111, 5112, 5943, 5944],
-    keywords: ['kontorsmaterial', 'pennor', 'papper', 'office supplies', 'staples', 'kontorsvaror'],
+    keywords: ['kontorsmaterial', 'pennor', 'papper', 'office supplies', 'staples', 'kontorsvaror', 'kontor'],
     risk_level: 'NONE',
     requires_review: false,
     impact_score: 7,
@@ -2534,7 +2534,7 @@ export function findMatchingTemplates(
 
   return results
     .sort((a, b) => b.confidence - a.confidence)
-    .slice(0, 5)
+    .slice(0, 20)
 }
 
 /**

lib/bookkeeping/template-embeddings.ts

@@ -0,0 +1,255 @@
+/**
+ * Template Embeddings Module
+ *
+ * SERVER-ONLY: Uses OpenAI embeddings and Supabase service client.
+ *
+ * Provides semantic search over booking templates using pgvector.
+ * Templates are pre-embedded and stored in the database. Transaction
+ * text is embedded at query time and compared via cosine similarity.
+ */
+
+import 'server-only'
+import { OpenAIEmbeddings } from '@langchain/openai'
+import {
+  BOOKING_TEMPLATES,
+  getTemplateById,
+  type BookingTemplate,
+  type TemplateMatch,
+} from './booking-templates'
+import type { Transaction, EntityType } from '@/types'
+import { createHash } from 'crypto'
+
+// ============================================================
+// Constants
+// ============================================================
+
+export const EMBEDDING_MODEL = 'text-embedding-3-small'
+const EMBEDDING_LOGIC_VERSION = '1'
+const MATCH_COUNT = 20
+const MATCH_THRESHOLD = 0.5
+
+/**
+ * Schema version is a hash of the model + embedding logic version.
+ * Bump EMBEDDING_LOGIC_VERSION when buildEmbeddingText changes.
+ */
+export function getSchemaVersion(): string {
+  return createHash('sha256')
+    .update(`${EMBEDDING_MODEL}:${EMBEDDING_LOGIC_VERSION}`)
+    .digest('hex')
+    .slice(0, 12)
+}
+
+// ============================================================
+// Embedding Text Builders
+// ============================================================
+
+/**
+ * Build a rich text representation of a template for embedding.
+ * Includes all semantically relevant fields.
+ */
+export function buildEmbeddingText(template: BookingTemplate): string {
+  const parts: string[] = []
+
+  parts.push(`${template.name_sv} (${template.name_en})`)
+  parts.push(template.description_sv)
+
+  if (template.keywords.length > 0) {
+    parts.push(`Nyckelord: ${template.keywords.join(', ')}`)
+  }
+
+  parts.push(`Grupp: ${template.group}`)
+  parts.push(`Typ: ${template.direction === 'expense' ? 'utgift' : template.direction === 'income' ? 'intäkt' : 'överföring'}`)
+  parts.push(`Konton: ${template.debit_account} (debet) / ${template.credit_account} (kredit)`)
+
+  if (template.vat_treatment) {
+    parts.push(`Moms: ${template.vat_treatment} (${template.vat_rate * 100}%)`)
+  }
+
+  if (template.special_rules_sv) {
+    parts.push(`Regler: ${template.special_rules_sv}`)
+  }
+
+  if (template.mcc_codes.length > 0) {
+    parts.push(`MCC-koder: ${template.mcc_codes.join(', ')}`)
+  }
+
+  if (template.deductibility !== 'full') {
+    parts.push(`Avdragsrätt: ${template.deductibility}`)
+  }
+
+  return parts.join('. ')
+}
+
+/**
+ * Build query text from a transaction for embedding search.
+ */
+export function buildTransactionQueryText(transaction: Transaction): string {
+  const parts: string[] = []
+
+  if (transaction.description) {
+    parts.push(transaction.description)
+  }
+
+  if (transaction.merchant_name) {
+    parts.push(transaction.merchant_name)
+  }
+
+  if (transaction.mcc_code) {
+    parts.push(`MCC ${transaction.mcc_code}`)
+  }
+
+  parts.push(transaction.amount < 0 ? 'utgift' : 'intäkt')
+
+  return parts.join(' — ')
+}
+
+// ============================================================
+// Embeddings Client
+// ============================================================
+
+let embeddingsInstance: OpenAIEmbeddings | null = null
+
+function getEmbeddingsClient(): OpenAIEmbeddings {
+  if (!embeddingsInstance) {
+    embeddingsInstance = new OpenAIEmbeddings({
+      modelName: EMBEDDING_MODEL,
+      openAIApiKey: process.env.OPENAI_API_KEY,
+    })
+  }
+  return embeddingsInstance
+}
+
+// ============================================================
+// Seed All Template Embeddings
+// ============================================================
+
+export async function seedAllTemplateEmbeddings(): Promise<{
+  seeded: number
+  errors: string[]
+}> {
+  const { createServiceClient } = await import('@/lib/supabase/server')
+  const supabase = await createServiceClient()
+  const embeddings = getEmbeddingsClient()
+  const schemaVersion = getSchemaVersion()
+  const errors: string[] = []
+
+  // Build texts for all templates
+  const texts = BOOKING_TEMPLATES.map((t) => buildEmbeddingText(t))
+
+  // Batch embed all texts
+  let vectors: number[][]
+  try {
+    vectors = await embeddings.embedDocuments(texts)
+  } catch (error) {
+    return { seeded: 0, errors: [`Embedding generation failed: ${error}`] }
+  }
+
+  // Upsert each template embedding
+  let seeded = 0
+  for (let i = 0; i < BOOKING_TEMPLATES.length; i++) {
+    const template = BOOKING_TEMPLATES[i]
+    const { error } = await supabase
+      .from('booking_template_embeddings')
+      .upsert(
+        {
+          template_id: template.id,
+          embedding: JSON.stringify(vectors[i]),
+          embedding_text: texts[i],
+          model: EMBEDDING_MODEL,
+          schema_version: schemaVersion,
+        },
+        { onConflict: 'template_id' }
+      )
+
+    if (error) {
+      errors.push(`Failed to upsert ${template.id}: ${error.message}`)
+    } else {
+      seeded++
+    }
+  }
+
+  return { seeded, errors }
+}
+
+// ============================================================
+// Find Similar Templates (Semantic Search)
+// ============================================================
+
+let stalenessWarned = false
+
+export async function findSimilarTemplates(
+  transaction: Transaction,
+  entityType?: EntityType,
+  matchCount: number = MATCH_COUNT
+): Promise<TemplateMatch[]> {
+  try {
+    const { createServiceClient } = await import('@/lib/supabase/server')
+    const supabase = await createServiceClient()
+    const embeddings = getEmbeddingsClient()
+
+    // Check schema version staleness on first call
+    if (!stalenessWarned) {
+      const { data: sample } = await supabase
+        .from('booking_template_embeddings')
+        .select('schema_version')
+        .limit(1)
+        .single()
+
+      if (sample && sample.schema_version !== getSchemaVersion()) {
+        console.warn(
+          `[template-embeddings] Schema version mismatch: DB has "${sample.schema_version}", current is "${getSchemaVersion()}". Re-seed embeddings.`
+        )
+      }
+      stalenessWarned = true
+    }
+
+    // Embed the transaction query text
+    const queryText = buildTransactionQueryText(transaction)
+    const queryVector = await embeddings.embedQuery(queryText)
+
+    // Request extra results to account for post-filtering
+    const requestCount = matchCount + 10
+
+    const { data, error } = await supabase.rpc('match_booking_templates', {
+      query_embedding: JSON.stringify(queryVector),
+      match_count: requestCount,
+      match_threshold: MATCH_THRESHOLD,
+    })
+
+    if (error || !data) {
+      console.error('[template-embeddings] RPC error:', error)
+      return []
+    }
+
+    // Map RPC results to TemplateMatch[], filtering by entity type and direction
+    const isExpense = transaction.amount < 0
+    const isIncome = transaction.amount > 0
+    const results: TemplateMatch[] = []
+
+    for (const row of data as { template_id: string; similarity: number }[]) {
+      const template = getTemplateById(row.template_id)
+      if (!template) continue
+
+      // Filter by entity applicability
+      if (entityType && template.entity_applicability !== 'all' && template.entity_applicability !== entityType) {
+        continue
+      }
+
+      // Filter by direction
+      if (template.direction === 'expense' && !isExpense) continue
+      if (template.direction === 'income' && !isIncome) continue
+
+      results.push({
+        template,
+        confidence: Math.round(row.similarity * 100) / 100,
+      })
+
+      if (results.length >= matchCount) break
+    }
+
+    return results
+  } catch (error) {
+    console.error('[template-embeddings] findSimilarTemplates failed:', error)
+    return []
+  }
+}

lib/extensions/__tests__/sectors.test.ts

@@ -12,7 +12,7 @@ describe('sectors registry', () => {
   })
 
   it('should have 18 total extensions', () => {
-    expect(getAllExtensions().length).toBe(18)
+    expect(getAllExtensions().length).toBe(19)
   })
 
   it('should have unique slugs within each sector', () => {

lib/extensions/icon-resolver.tsx

@@ -3,6 +3,7 @@ import {
   Sparkles,
   MessageSquare,
   Bell,
+  Inbox,
   Landmark,
   UtensilsCrossed,
   ChefHat,
@@ -31,6 +32,7 @@ const ICON_MAP: Record<string, LucideIcon> = {
   Sparkles,
   MessageSquare,
   Bell,
+  Inbox,
   Landmark,
   UtensilsCrossed,
   ChefHat,

lib/extensions/loader.ts

@@ -6,6 +6,7 @@ import { sruExportExtension } from '@/extensions/sru-export'
 import { neBilagaExtension } from '@/extensions/ne-bilaga'
 import { aiChatExtension } from '@/extensions/general/ai-chat'
 import { invoiceInboxExtension } from '@/extensions/general/invoice-inbox'
+import { calendarExtension } from '@/extensions/general/calendar'
 import type { Extension } from './types'
 
 // ── Enable Banking (PSD2) — opt-in extension ───────────────────────────
@@ -28,6 +29,7 @@ const FIRST_PARTY_EXTENSIONS: Extension[] = [
   neBilagaExtension,
   aiChatExtension,
   invoiceInboxExtension,
+  calendarExtension,
   // enableBankingExtension,  // Uncomment to activate PSD2 bank sync
 ]
 

lib/extensions/sectors.ts

@@ -51,6 +51,12 @@ export const SECTORS: Sector[] = [
         description: 'AI-assistent för skatte- och bokföringsfrågor',
         longDescription:
           'Ställ frågor om skatt, bokföring och företagande till en AI-assistent som förstår svensk redovisning. Svar baserade på aktuella regler och praxis.',
+        quickAction: {
+          label: 'AI-assistent',
+          description: 'Fråga om bokföring',
+          icon: 'MessageSquare',
+          event: 'open-ai-chat',
+        },
       },
       {
         slug: 'push-notifications',
@@ -76,6 +82,18 @@ export const SECTORS: Sector[] = [
         longDescription:
           'Skicka leverantörsfakturor till en dedikerad e-postadress eller ladda upp manuellt. AI extraherar automatiskt leverantörsdata, belopp och moms. Granska och bekräfta med ett klick för att skapa leverantörsfakturor.',
       },
+      {
+        slug: 'calendar',
+        name: 'Kalender',
+        sector: 'general',
+        category: 'operations',
+        icon: 'Calendar',
+        dataPattern: 'core',
+        readsCoreTables: ['invoices', 'deadlines', 'customers'],
+        description: 'Fullstandig kalendervy med manads-, vecko- och dagsvisning',
+        longDescription:
+          'Se alla fakturadatum och deadlines i en interaktiv kalender med manads-, vecko- och dagsvy.',
+      },
       {
         slug: 'enable-banking',
         name: 'Bankintegration (PSD2)',

lib/extensions/types.ts

@@ -15,6 +15,16 @@ export type SectorSlug = 'general' | 'restaurant' | 'construction' | 'hotel' | '
 /** How an extension gets its data */
 export type ExtensionDataPattern = 'core' | 'manual' | 'both'
 
+/** Dashboard quick action declared by an extension */
+export interface QuickActionDefinition {
+  label: string
+  description: string
+  icon: string
+  href?: string
+  event?: string
+  order?: number
+}
+
 /** Extension metadata for the marketplace and workspace routing */
 export interface ExtensionDefinition {
   slug: string
@@ -28,6 +38,7 @@ export interface ExtensionDefinition {
   dataPattern: ExtensionDataPattern
   readsCoreTables?: string[]
   hasOwnData?: boolean
+  quickAction?: QuickActionDefinition
 }
 
 /** Sector definition with its extensions */

lib/extensions/workspace-registry.tsx

@@ -14,6 +14,7 @@ const WORKSPACES: Record<WorkspaceKey, ComponentType<WorkspaceComponentProps>> =
   'general/ai-chat': dynamic(() => import('@/components/extensions/general/AiChatWorkspace')),
   'general/push-notifications': dynamic(() => import('@/components/extensions/general/PushNotificationsWorkspace')),
   'general/invoice-inbox': dynamic(() => import('@/components/extensions/general/InvoiceInboxWorkspace')),
+  'general/calendar': dynamic(() => import('@/components/extensions/general/CalendarWorkspace')),
   'general/enable-banking': dynamic(() => import('@/components/extensions/general/EnableBankingWorkspace')),
   // Restaurant
   'restaurant/food-cost': dynamic(() => import('@/components/extensions/restaurant/FoodCostWorkspace')),

lib/transactions/category-suggestions.ts

@@ -1,6 +1,7 @@
 import { suggestCategory } from '@/lib/tax/expense-warnings'
 import { getExpenseAccountForCategory } from '@/lib/bookkeeping/category-mapping'
 import { findMatchingTemplates, type TemplateMatch } from '@/lib/bookkeeping/booking-templates'
+import { findSimilarTemplates } from '@/lib/bookkeeping/template-embeddings'
 import type { Transaction, TransactionCategory, EntityType, MappingRule } from '@/types'
 
 export interface SuggestedCategory {
@@ -198,13 +199,25 @@ export interface SuggestedTemplate {
 
 /**
  * Get suggested booking templates for a transaction.
- * Uses multi-signal matching (MCC, keywords, description patterns).
+ * Tries embedding-based semantic search first, falls back to keyword matching.
  */
-export function getSuggestedTemplates(
+export async function getSuggestedTemplates(
   transaction: Transaction,
   entityType?: EntityType
-): SuggestedTemplate[] {
-  const matches = findMatchingTemplates(transaction, entityType)
+): Promise<SuggestedTemplate[]> {
+  let matches: TemplateMatch[]
+
+  try {
+    matches = await findSimilarTemplates(transaction, entityType)
+  } catch {
+    matches = []
+  }
+
+  // Fall back to keyword matching if embedding search returns nothing
+  if (matches.length === 0) {
+    matches = findMatchingTemplates(transaction, entityType)
+  }
+
   return matches.map((m: TemplateMatch) => ({
     template_id: m.template.id,
     name_sv: m.template.name_sv,

supabase/migrations/20240101000040_booking_template_embeddings.sql

@@ -0,0 +1,72 @@
+-- Migration 040: Booking Template Embeddings
+-- Stores pre-computed embeddings for booking templates to enable
+-- semantic similarity search for transaction classification.
+
+-- ============================================================
+-- booking_template_embeddings
+-- ============================================================
+
+create table public.booking_template_embeddings (
+  id              uuid primary key default gen_random_uuid(),
+  template_id     text unique not null,
+  embedding       extensions.vector(1536) not null,
+  embedding_text  text not null,
+  model           text not null,
+  schema_version  text not null,
+  created_at      timestamptz not null default now(),
+  updated_at      timestamptz not null default now()
+);
+
+alter table public.booking_template_embeddings enable row level security;
+
+-- Shared system data — any authenticated user can read
+create policy "booking_template_embeddings_select" on public.booking_template_embeddings
+  for select using (true);
+
+-- Only service role can insert/update (no user-scoped writes)
+-- RLS blocks regular users from writing; service role bypasses RLS
+
+create trigger booking_template_embeddings_updated_at
+  before update on public.booking_template_embeddings
+  for each row execute function public.update_updated_at_column();
+
+-- HNSW index for fast cosine similarity search
+create index idx_booking_template_embeddings_embedding
+  on public.booking_template_embeddings
+  using hnsw (embedding extensions.vector_cosine_ops);
+
+create index idx_booking_template_embeddings_template_id
+  on public.booking_template_embeddings (template_id);
+
+-- ============================================================
+-- match_booking_templates RPC (vector similarity search)
+-- ============================================================
+
+create or replace function public.match_booking_templates(
+  query_embedding extensions.vector,
+  match_count int default 20,
+  match_threshold float default 0.5
+)
+returns table (
+  template_id text,
+  embedding_text text,
+  similarity float
+)
+language plpgsql
+security definer
+set search_path = public, extensions
+as $$
+begin
+  return query
+  select
+    bte.template_id,
+    bte.embedding_text,
+    1 - (bte.embedding <=> query_embedding)::float as similarity
+  from public.booking_template_embeddings bte
+  where 1 - (bte.embedding <=> query_embedding) >= match_threshold
+  order by bte.embedding <=> query_embedding
+  limit match_count;
+end;
+$$;
+
+grant execute on function public.match_booking_templates(extensions.vector, int, float) to authenticated;