P0-1/P0-2/P1-1: dimensions form + E2E tests + PDF export

P0-1 Backend: dimensions column on template entity + validation
P0-1 Frontend: dimensions edit UI in TemplateManager
P0-2: routeAfterGrading unit tests (10 cases), service spec fix + certificate tests, jest-e2e.json
P1-1: proper PDF generation with embedded CJK font via pdf-lib low-level API

web/types.ts

@@ -332,6 +332,12 @@ export interface TenantMember {
 }
 
 // Assessment Template Types
+export interface AssessmentDimension {
+  name: string;
+  label: string;
+  weight: number;
+}
+
 export interface AssessmentTemplate {
   id: string;
   name: string;
@@ -343,6 +349,7 @@ export interface AssessmentTemplate {
   knowledgeBaseId?: string;
   knowledgeGroupId?: string;
   knowledgeGroup?: KnowledgeGroup;
+  dimensions?: AssessmentDimension[];
   isActive: boolean;
   version: number;
   creatorId: string;
@@ -359,6 +366,7 @@ export interface CreateTemplateData {
   style?: string;
   knowledgeBaseId?: string;
   knowledgeGroupId?: string;
+  dimensions?: AssessmentDimension[];
 }
 
 export interface UpdateTemplateData extends Partial<CreateTemplateData> {