fix: await params in Next.js 16 routes and pages for TypeScript compatibility

src/app/api/tournaments/[id]/games/bulk/route.ts

@@ -8,10 +8,11 @@ const K_FACTOR = 32; // Standard K-factor for Elo calculations
 
 export async function POST(
   request: Request,
-  { params }: { params: { id: string } }
+  { params }: { params: Promise<{ id: string }> }
 ) {
   try {
-    const tournamentId = parseInt(params.id, 10);
+    const { id } = await params
+    const tournamentId = parseInt(id, 10);
     
     if (isNaN(tournamentId)) {
       return NextResponse.json(

src/app/api/tournaments/[id]/participants/route.ts

@@ -4,10 +4,11 @@ import { canManageTournament } from "@/lib/permissions";
 
 export async function POST(
   request: Request,
-  { params }: { params: { id: string } }
+  { params }: { params: Promise<{ id: string }> }
 ) {
   try {
-    const tournamentId = parseInt(params.id, 10);
+    const { id } = await params
+    const tournamentId = parseInt(id, 10);
     
     if (isNaN(tournamentId)) {
       return NextResponse.json(

src/app/api/tournaments/[id]/route.ts

@@ -4,9 +4,9 @@ import { canManageTournament, canDeleteTournament } from "@/lib/permissions";
 import { getTournamentStatus } from "@/lib/tournamentUtils";
 
 interface RouteParams {
-  params: {
+  params: Promise<{
     id: string;
-  };
+  }>;
 }
 
 /**
@@ -16,7 +16,8 @@ interface RouteParams {
  */
 export async function GET(request: Request, { params }: RouteParams) {
   try {
-    const tournamentId = parseInt(params.id);
+    const { id } = await params
+    const tournamentId = parseInt(id);
 
     // Validate tournament ID
     if (isNaN(tournamentId)) {
@@ -105,7 +106,8 @@ export async function GET(request: Request, { params }: RouteParams) {
  */
 export async function PUT(request: Request, { params }: RouteParams) {
   try {
-    const tournamentId = parseInt(params.id);
+    const { id } = await params
+    const tournamentId = parseInt(id);
 
     // Validate tournament ID
     if (isNaN(tournamentId)) {
@@ -219,7 +221,8 @@ export async function PUT(request: Request, { params }: RouteParams) {
  */
 export async function DELETE(request: Request, { params }: RouteParams) {
   try {
-    const tournamentId = parseInt(params.id);
+    const { id } = await params
+    const tournamentId = parseInt(id);
 
     // Validate tournament ID
     if (isNaN(tournamentId)) {