refactor: integrate Better-Auth for authentication and remove Supabase dependencies

apps/backend/src/modules/admin-booking/services/admin-booking.service.ts

@@ -126,12 +126,12 @@ function buildSlots(
   return slots;
 }
 
-async function ensureComplexAccess(complexId: string, appUserId: string) {
+async function ensureComplexAccess(complexId: string, userId: string) {
   const complexUser = await db.complexUser.findUnique({
     where: {
       complexId_userId: {
         complexId,
-        userId: appUserId,
+        userId,
       },
     },
     include: {
@@ -205,11 +205,11 @@ function mapBookingResponse(booking: {
 }
 
 export async function listAdminBookings(
-  appUserId: string,
+  userId: string,
   complexId: string,
   query: ListAdminBookingsQuery
 ) {
-  await ensureComplexAccess(complexId, appUserId);
+  await ensureComplexAccess(complexId, userId);
   const fromDate = parseIsoDate(query.fromDate);
 
   const bookings = await db.courtBooking.findMany({
@@ -253,11 +253,11 @@ export async function listAdminBookings(
 }
 
 export async function createAdminBooking(
-  appUserId: string,
+  userId: string,
   complexId: string,
   input: CreateAdminBookingInput
 ) {
-  const complex = await ensureComplexAccess(complexId, appUserId);
+  const complex = await ensureComplexAccess(complexId, userId);
   const bookingDate = parseIsoDate(input.date);
   const dayOfWeek = getDayOfWeek(bookingDate);
 
@@ -436,7 +436,7 @@ export async function createAdminBooking(
 }
 
 export async function updateAdminBookingStatus(
-  appUserId: string,
+  userId: string,
   bookingId: string,
   input: UpdateAdminBookingStatusInput
 ) {
@@ -447,7 +447,7 @@ export async function updateAdminBookingStatus(
         complex: {
           users: {
             some: {
-              userId: appUserId,
+              userId,
             },
           },
         },