feat: QA fixes, new APIs (assignments, rubrics, custom exams), Generation page enhancements

- Fix ELAI video generation (correct render endpoint, script splitting for 60s limit)
- Fix speaking script generation error handling and empty response display
- Add custom exam list API (GET /api/exam/custom/list)
- Add assignments REST API (list, create, get)
- Add rubrics REST API (list, create)
- Enhance Generation page: dynamic exam structures, auto-module selection, preview dialog, audio player
- Improve submit feedback with exam ID and status in toast notifications
- Fix ExamsListPage to show both custom exams and exam sessions
- Connect RubricsPage to backend API with fallback data
- Add Dockerfile, docker-compose.yml, requirements.txt for deployment
- Fix placement, grading, scoring, and auth controllers
- Add ErrorBoundary component for frontend resilience
- Add QA report and credentials documentation

Made-with: Cursor

frontend/src/services/adaptive-engine.service.ts

@@ -9,22 +9,22 @@ import type {
 import type { ApiSuccessResponse } from "@/types";
 
 export const adaptiveEngineService = {
-  getDashboard: () => api.get<AdaptiveDashboardMetrics>("/adaptive-engine/dashboard"),
+  getDashboard: () => api.get<AdaptiveDashboardMetrics>("/adaptive/dashboard"),
 
   getStudents: (params?: { page?: number; limit?: number }) =>
     api.get<{ data: AdaptiveEngineStudentRow[]; pagination?: { total: number; page: number } }>(
-      "/adaptive-engine/students",
+      "/adaptive/students",
       params as Record<string, string | number | boolean | undefined>,
     ),
 
   getStudentSignals: (studentId: number) =>
-    api.get<StudentAdaptiveSignal[]>(`/adaptive-engine/students/${studentId}/signals`),
+    api.get<StudentAdaptiveSignal[]>(`/adaptive/student/${studentId}/signals`),
 
   getStudentAbility: (studentId: number) =>
-    api.get<StudentAbilityModel>(`/adaptive-engine/students/${studentId}/ability`),
+    api.get<StudentAbilityModel>(`/adaptive/student/${studentId}/ability`),
 
-  getSettings: () => api.get<AdaptiveThresholdSettings>("/adaptive-engine/settings"),
+  getSettings: () => api.get<AdaptiveThresholdSettings>("/adaptive/settings"),
 
   updateSettings: (data: AdaptiveThresholdSettings) =>
-    api.put<ApiSuccessResponse>("/adaptive-engine/settings", data),
+    api.put<ApiSuccessResponse>("/adaptive/settings", data),
 };

frontend/src/services/entity-onboarding.service.ts

@@ -11,14 +11,14 @@ export const entityOnboardingService = {
   validateCsv: (file: File) => {
     const fd = new FormData();
     fd.append("file", file);
-    return api.upload<CSVValidationReport>("/entity/students/csv/validate", fd);
+    return api.upload<CSVValidationReport>("/entity/students/validate-csv", fd);
   },
 
   bulkCreate: (payload: { validate_session_id?: string }) =>
     api.post<BulkCreateResult>("/entity/students/bulk-create", payload),
 
   sendCredentials: (studentIds: number[]) =>
-    api.post<ApiSuccessResponse>("/entity/students/send-credentials", { student_ids: studentIds }),
+    api.post<ApiSuccessResponse>("/entity/students/send-credentials", { user_ids: studentIds }),
 
   getCredentialStatuses: (
     filters?: CredentialFilters & { page?: number; limit?: number },
@@ -29,8 +29,8 @@ export const entityOnboardingService = {
     ),
 
   resendCredential: (studentId: number) =>
-    api.post<ApiSuccessResponse>(`/entity/students/${studentId}/resend-credential`),
+    api.post<ApiSuccessResponse>(`/entity/students/${studentId}/resend-credentials`),
 
   resendAllPending: () =>
-    api.post<ApiSuccessResponse>("/entity/students/resend-credentials/pending"),
+    api.post<ApiSuccessResponse>("/entity/students/resend-all-pending"),
 };

frontend/src/services/exam-session.service.ts

@@ -14,4 +14,7 @@ export const examSessionService = {
 
   getStatus: (examId: number) =>
     api.get<{ status: string; scores_available: boolean }>(`/exam/${examId}/status`),
+
+  getResults: (examId: number) =>
+    api.get(`/exam/${examId}/results`),
 };

frontend/src/services/report.service.ts

@@ -1,11 +1,15 @@
-import { api } from "@/lib/api-client";
+const API_BASE_URL = (import.meta.env.VITE_API_BASE_URL?.trim() || "/api").replace(/\/$/, "");
 
 export const reportService = {
   downloadPdf: async (attemptId: number): Promise<void> => {
-    const response = await fetch(`/api/reports/exam/${attemptId}/pdf`, {
-      headers: {
-        Authorization: `Bearer ${localStorage.getItem("encoach_token")}`,
-      },
+    const token = localStorage.getItem("encoach_token");
+    const headers: Record<string, string> = {};
+    if (token) {
+      headers["Authorization"] = `Bearer ${token}`;
+    }
+
+    const response = await fetch(`${API_BASE_URL}/reports/exam/${attemptId}/pdf`, {
+      headers,
     });
     if (!response.ok) throw new Error("Failed to generate report");
     const blob = await response.blob();
@@ -13,7 +17,9 @@ export const reportService = {
     const link = document.createElement("a");
     link.href = url;
     link.download = `exam-report-${attemptId}.pdf`;
+    document.body.appendChild(link);
     link.click();
+    document.body.removeChild(link);
     window.URL.revokeObjectURL(url);
   },
 };