feat: add complete EnCoach frontend application

Full React 18 + TypeScript + Vite frontend with:
- 90+ pages (admin, student, teacher, public)
- shadcn/ui component library with 50+ components
- JWT authentication with role-based access control
- TanStack React Query for server state management
- 30+ API service modules
- AI-powered features (coaching, grading, generation)
- Adaptive learning UI (diagnostics, proficiency, plans)
- Institutional LMS management (courses, batches, timetable)
- Communication suite (discussions, announcements, DMs)
- Full CRUD with validation and confirmation dialogs

Made-with: Cursor

src/hooks/queries/useFees.ts

@@ -0,0 +1,33 @@
+import { useQuery } from "@tanstack/react-query";
+import { queryKeys } from "./keys";
+import { feesService } from "@/services/fees.service";
+import type { PaginationParams } from "@/types";
+
+export function useFeesPlans(params?: PaginationParams) {
+  return useQuery({
+    queryKey: queryKeys.feesPlans.list(params),
+    queryFn: () => feesService.listFeesPlans(params),
+  });
+}
+
+export function useFeesPlan(id: number) {
+  return useQuery({
+    queryKey: queryKeys.feesPlans.detail(id),
+    queryFn: () => feesService.getFeesPlan(id),
+    enabled: !!id,
+  });
+}
+
+export function useStudentFees(params?: PaginationParams) {
+  return useQuery({
+    queryKey: queryKeys.studentFees.list(params),
+    queryFn: () => feesService.listStudentFees(params),
+  });
+}
+
+export function useFeesTerms(params?: PaginationParams) {
+  return useQuery({
+    queryKey: queryKeys.feesTerms.list(params),
+    queryFn: () => feesService.listFeesTerms(params),
+  });
+}