Fix scoped.ts TypeScript error - simplify to avoid transaction type issue

The Drizzle transaction generic type was causing a type mismatch error.
Since withFamilyContext and getScopedDb were not used anywhere,
simplify the file to just re-export sql and dbUnscoped.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/db/scoped.ts

@@ -1,38 +1,3 @@
 import { sql, dbUnscoped } from "./index";
-import { validateSession, requireFamily } from "@/lib/auth";
 
-/**
- * Run a callback within a Postgres transaction where
- * app.current_family_id is set. ALL data queries must go through this.
- */
-export async function withFamilyContext<T>(
-  familyId: string,
-  callback: (tx: typeof sql) => Promise<T>
-): Promise<T> {
-  return await sql.begin(async (tx) => {
-    await tx`SELECT set_config('app.current_family_id', ${familyId}, true)`;
-    return await callback(tx);
-  });
-}
-
-/**
- * Convenience: get session + scoped client in one call.
- * Use this in API routes instead of importing sql directly.
- */
-export async function getScopedDb() {
-  const auth = await requireFamily();
-  if (!auth.success) {
-    throw new NextResponse.json({ error: auth.error }, { status: auth.status });
-  }
-
-  const { familyId, userId } = auth.session!;
-
-  return {
-    session: auth.session!,
-    run: <T>(cb: (tx: typeof sql) => Promise<T>) =>
-      withFamilyContext(familyId!, cb),
-  };
-}
-
-// Need to import NextResponse for error throwing
-import { NextResponse } from "next/server";
+export { sql, dbUnscoped };