Fix: Use @shared/* alias instead of relative paths for Docker compat

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

website/app/admin/klausur-korrektur/types.ts

@@ -1 +1 @@
-export * from '../../../../shared/types/klausur'
+export * from '@shared/types/klausur'

website/app/admin/ocr-labeling/types.ts

@@ -1 +1 @@
-export * from '../../../../shared/types/ocr-labeling'
+export * from '@shared/types/ocr-labeling'

website/app/lehrer/klausur-korrektur/types.ts

@@ -1 +1 @@
-export * from '../../../../shared/types/klausur'
+export * from '@shared/types/klausur'

website/components/klausur-korrektur/list-types.ts

@@ -12,6 +12,6 @@ export type {
   VorabiturEHForm,
   EHTemplate,
   DirektuploadForm,
-} from '../../../shared/types/klausur'
+} from '@shared/types/klausur'
 
 export const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://localhost:8086'

website/components/klausur-korrektur/workspace-types.ts

@@ -12,12 +12,12 @@ export type {
   ExaminerWorkflow,
   ActiveTab,
   CriteriaScores,
-} from '../../../shared/types/klausur'
+} from '@shared/types/klausur'
 
 export {
   WORKFLOW_STATUS_LABELS,
   ROLE_LABELS,
   GRADE_LABELS,
-} from '../../../shared/types/klausur'
+} from '@shared/types/klausur'
 
 export const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://localhost:8086'