feat: transaction categorization UX improvements and description matching

Add journal entry preview, human-readable account names, auto-apply VAT,
fallback template suggestions, example prompts, invoice match comparison,
and batch result feedback. Also includes user-description-match extension,
describe/batch-describe API routes, improved AI categorization with multi-
suggestion support, and template embedding search.

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

lib/extensions/__tests__/sectors.test.ts

@@ -11,8 +11,8 @@ describe('sectors registry', () => {
     expect(SECTORS.length).toBe(6)
   })
 
-  it('should have 18 total extensions', () => {
-    expect(getAllExtensions().length).toBe(19)
+  it('should have 20 total extensions', () => {
+    expect(getAllExtensions().length).toBe(20)
   })
 
   it('should have unique slugs within each sector', () => {

lib/extensions/icon-resolver.tsx

@@ -24,6 +24,7 @@ import {
   BarChart3,
   Layers,
   Puzzle,
+  TextSearch,
   type LucideIcon,
 } from 'lucide-react'
 
@@ -53,6 +54,7 @@ const ICON_MAP: Record<string, LucideIcon> = {
   BarChart3,
   Layers,
   Puzzle,
+  TextSearch,
 }
 
 export function resolveIcon(name: string): LucideIcon {

lib/extensions/loader.ts

@@ -7,6 +7,7 @@ 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 { userDescriptionMatchExtension } from '@/extensions/general/user-description-match'
 import type { Extension } from './types'
 
 // ── Enable Banking (PSD2) — opt-in extension ───────────────────────────
@@ -30,6 +31,7 @@ const FIRST_PARTY_EXTENSIONS: Extension[] = [
   aiChatExtension,
   invoiceInboxExtension,
   calendarExtension,
+  userDescriptionMatchExtension,
   // enableBankingExtension,  // Uncomment to activate PSD2 bank sync
 ]
 

lib/extensions/sectors.ts

@@ -94,6 +94,18 @@ export const SECTORS: Sector[] = [
         longDescription:
           'Se alla fakturadatum och deadlines i en interaktiv kalender med manads-, vecko- och dagsvy.',
       },
+      {
+        slug: 'user-description-match',
+        name: 'Beskrivningsmatchning',
+        sector: 'general',
+        category: 'operations',
+        icon: 'TextSearch',
+        dataPattern: 'core',
+        readsCoreTables: ['transactions', 'mapping_rules'],
+        description: 'Matcha transaktioner med egna beskrivningar',
+        longDescription:
+          'Beskriv vad en transaktion gäller med egna ord och få smarta bokföringsförslag. Systemet lär sig av dina beskrivningar och applicerar automatiskt på framtida transaktioner från samma leverantör.',
+      },
       {
         slug: 'enable-banking',
         name: 'Bankintegration (PSD2)',

lib/extensions/workspace-registry.tsx

@@ -16,6 +16,7 @@ const WORKSPACES: Record<WorkspaceKey, ComponentType<WorkspaceComponentProps>> =
   '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')),
+  'general/user-description-match': dynamic(() => import('@/components/extensions/general/UserDescriptionMatchWorkspace')),
   // Restaurant
   'restaurant/food-cost': dynamic(() => import('@/components/extensions/restaurant/FoodCostWorkspace')),
   'restaurant/earnings-per-liter': dynamic(() => import('@/components/extensions/restaurant/EarningsPerLiterWorkspace')),