fix(gitea-bot): add write:organization scope so bot can create repos

Without this the bot PAT 403s on POST /orgs/{org}/repos, which is
the single most important operation — creating new project repos
inside the workspace's Gitea org.

Made-with: Cursor

app/api/sessions/route.ts

@@ -1,11 +1,10 @@
 import { NextResponse } from 'next/server';
-import { getServerSession } from 'next-auth';
-import { authOptions } from '@/lib/auth/authOptions';
+import { authSession } from "@/lib/auth/session-server";
 import { query } from '@/lib/db-postgres';
 
 export async function GET(request: Request) {
   try {
-    const session = await getServerSession(authOptions);
+    const session = await authSession();
     if (!session?.user?.email) {
       return NextResponse.json([], { status: 200 });
     }