What works fine ✅
• Text inference (gemma-3n-e4b-it, gemma-3-12b-it, etc)
• GET /v1/wallet/ — balance check
• POST /v1/wallet/topup — Cashu deposit
• GET /v1/models — model list
What fails ❌
• POST /v1/images/generations — 502 on ALL image models
gpt-5-image-mini returns 402 ...