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/customers/[id]/route.ts

@@ -5,6 +5,7 @@ import { validateVatNumber } from '@/lib/vat/vies-client'
 import { withRouteContext } from '@/lib/api/with-route-context'
 import { errorResponseFromCode } from '@/lib/errors/get-structured-error'
 import { encryptCustomerPersonalNumber, maskCustomerRow } from '@/lib/customers/protect-personal-number'
+import { getErrorMessage as getUserErrorMessage } from '@/lib/errors/get-error-message'
 
 export const GET = withRouteContext(
   'customer.get',
@@ -27,7 +28,7 @@ export const GET = withRouteContext(
       opLog.error('customer fetch failed', error)
       return errorResponseFromCode('INTERNAL_ERROR', opLog, {
         requestId,
-        details: { reason: error.message },
+        details: { reason: getUserErrorMessage(error) },
       })
     }
 
@@ -120,7 +121,7 @@ export const PATCH = withRouteContext(
       opLog.error('customer update failed', error)
       return errorResponseFromCode('CUSTOMER_UPDATE_FAILED', opLog, {
         requestId,
-        details: { reason: error.message },
+        details: { reason: getUserErrorMessage(error) },
       })
     }
 
@@ -181,7 +182,7 @@ export const DELETE = withRouteContext(
       opLog.error('customer delete failed', error)
       return errorResponseFromCode('CUSTOMER_DELETE_FAILED', opLog, {
         requestId,
-        details: { reason: error.message },
+        details: { reason: getUserErrorMessage(error) },
       })
     }
 

app/api/customers/route.ts

@@ -8,6 +8,7 @@ import { withRouteContext } from '@/lib/api/with-route-context'
 import { errorResponse, errorResponseFromCode } from '@/lib/errors/get-structured-error'
 import type { Customer } from '@/types'
 import { encryptCustomerPersonalNumber, maskCustomerRow } from '@/lib/customers/protect-personal-number'
+import { getErrorMessage as getUserErrorMessage } from '@/lib/errors/get-error-message'
 
 ensureInitialized()
 
@@ -78,7 +79,7 @@ export const POST = withRouteContext(
       log.error('customer insert failed', error)
       return errorResponseFromCode('CUSTOMER_CREATE_FAILED', log, {
         requestId,
-        details: { reason: error.message },
+        details: { reason: getUserErrorMessage(error) },
       })
     }