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]/knowledge/import-ai-chat/route.ts

@@ -1,6 +1,5 @@
 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';
 import { createKnowledgeItem } from '@/lib/server/knowledge';
 import type { KnowledgeSourceMeta } from '@/lib/types/knowledge';
@@ -34,7 +33,7 @@ export async function POST(
       return NextResponse.json({ error: 'transcript is required' }, { status: 400 });
     }
 
-    const session = await getServerSession(authOptions);
+    const session = await authSession();
     if (!session?.user?.email) {
       return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
     }