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

server/src/assessment/graph/builder.spec.ts

@@ -0,0 +1,95 @@
+import { routeAfterGrading } from './builder';
+
+describe('routeAfterGrading', () => {
+  it('should route to interviewer when shouldFollowUp is true (overrides all other logic)', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: true,
+      currentQuestionIndex: 0,
+      questionCount: 5,
+      questions: [],
+    } as any);
+    expect(result).toBe('interviewer');
+  });
+
+  it('should route to generator when currentIndex >= questionsLen and currentIndex < targetCount', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 3,
+      questionCount: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }],
+    } as any);
+    expect(result).toBe('generator');
+  });
+
+  it('should route to interviewer when currentIndex < questionsLen and currentIndex < targetCount', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 2,
+      questionCount: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }, { text: 'q5' }],
+    } as any);
+    expect(result).toBe('interviewer');
+  });
+
+  it('should route to analyzer when currentIndex >= targetCount', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 5,
+      questionCount: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }, { text: 'q5' }],
+    } as any);
+    expect(result).toBe('analyzer');
+  });
+
+  it('should use default targetCount of 5 when questionCount is undefined', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 4,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }],
+    } as any);
+    expect(result).toBe('generator');
+  });
+
+  it('should use default targetCount of 5 when questionCount is undefined and index 5 routes to analyzer', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }, { text: 'q5' }],
+    } as any);
+    expect(result).toBe('analyzer');
+  });
+
+  it('should handle undefined questions gracefully (defaults to empty array)', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 0,
+      questionCount: 5,
+    } as any);
+    expect(result).toBe('generator');
+  });
+
+  it('should prevent negative currentQuestionIndex via Math.max(0)', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: -1,
+      questionCount: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }, { text: 'q5' }],
+    } as any);
+    expect(result).toBe('interviewer');
+  });
+
+  it('should handle completely empty state (no fields provided)', () => {
+    const result = routeAfterGrading({} as any);
+    expect(result).toBe('generator');
+  });
+
+  it('should route to interviewer at last index before targetCount boundary', () => {
+    const result = routeAfterGrading({
+      shouldFollowUp: false,
+      currentQuestionIndex: 4,
+      questionCount: 5,
+      questions: [{ text: 'q1' }, { text: 'q2' }, { text: 'q3' }, { text: 'q4' }, { text: 'q5' }],
+    } as any);
+    expect(result).toBe('interviewer');
+  });
+});

server/src/assessment/graph/builder.ts

@@ -8,7 +8,7 @@ import { reportAnalyzerNode } from './nodes/analyzer.node';
 /**
  * Conditional routing logic for the Grader node.
  */
-const routeAfterGrading = (state: typeof EvaluationAnnotation.State) => {
+export const routeAfterGrading = (state: typeof EvaluationAnnotation.State) => {
   const targetCount = state.questionCount || 5;
   const questionsLen = state.questions?.length || 0;
   const currentIndex = Math.max(0, state.currentQuestionIndex || 0);