Bug/gh issues fiz (#1103)

* refactor: optimize page loading and data fetching

* fix: resolve recurring production runtime errors

* feat: add MCP company and customer updates

* fix: handle year-end tax adjustments

* feat: harden annual report compliance

* fix: expand invoice logo and font support

* fix: sanitize API route error responses

* fix: sanitize user-facing error messages

* feat: persist onboarding and tax assessment notices

* fix: reduce cloud backup audit churn

* feat: refine invoice editor layout

* fix: show saved tax adjustments in INK2

* fix: complete annual report API mappings

* docs: record operational safeguards and decisions

* fix: harden annual report review findings

* fix: adjust column span for description based on VAT registration

* New css class name

app/api/import/sie/parse/route.ts

@@ -12,6 +12,7 @@ import { BAS_REFERENCE } from '@/lib/bookkeeping/bas-data'
 import { withRouteContext } from '@/lib/api/with-route-context'
 import { errorResponseFromCode } from '@/lib/errors/get-structured-error'
 import type { SIEAccountMappingRecord } from '@/lib/import/types'
+import { getErrorMessage as getUserErrorMessage } from '@/lib/errors/get-error-message'
 
 /**
  * POST /api/import/sie/parse
@@ -143,7 +144,7 @@ export const POST = withRouteContext(
       opLog.error('sie parse failed', err as Error)
       return errorResponseFromCode('SIE_PARSE_FAILED', opLog, {
         requestId,
-        details: { reason: err instanceof Error ? err.message : 'unknown' },
+        details: { reason: err instanceof Error ? getUserErrorMessage(err) : 'unknown' },
       })
     }
   },