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/projects/[projectId]/advisor/route.ts

@@ -10,8 +10,7 @@
  * and injects it as knowledge_context into the orchestrator's system prompt.
  */
 import { NextRequest } 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';
 
 const AGENT_RUNNER_URL = process.env.AGENT_RUNNER_URL ?? 'https://agents.vibnai.com';
@@ -129,7 +128,7 @@ export async function POST(
 ) {
   const { projectId } = await params;
 
-  const session = await getServerSession(authOptions);
+  const session = await authSession();
   if (!session?.user?.email) {
     return new Response('Unauthorized', { status: 401 });
   }