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]/save-phase/route.ts

@@ -1,6 +1,5 @@
 import { NextRequest, NextResponse } from "next/server";
-import { getServerSession } from "next-auth/next";
-import { authOptions } from "@/lib/auth/authOptions";
+import { authSession } from "@/lib/auth/session-server";
 import { query } from "@/lib/db-postgres";
 
 // ---------------------------------------------------------------------------
@@ -11,7 +10,7 @@ export async function POST(
   req: NextRequest,
   { params }: { params: Promise<{ projectId: string }> }
 ) {
-  const session = await getServerSession(authOptions);
+  const session = await authSession();
   if (!session?.user?.email) {
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }
@@ -85,7 +84,7 @@ export async function GET(
   _req: NextRequest,
   { params }: { params: Promise<{ projectId: string }> }
 ) {
-  const session = await getServerSession(authOptions);
+  const session = await authSession();
   if (!session?.user?.email) {
     return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
   }