Approve 111 verified enrollment IDs for Grace

Subtask of BOLT-1660. Grace explicitly confirmed in Slack thread 1784738503.377429 at 2026-07-22T16:48Z: approve all 111 CSV enrollment IDs. Preflight done: CSV has 111 unique valid IDs, all previously verified against production as existing, eligible, and matching requested workspace program/workspace. Execute through application API path (avoid direct DB), record per-ID results, and independently verify final 111 approved / 0 eligible. Production operation.