Krishnanemani/neste-engine - release held

Space: krishnanemani/neste-engine Pro tier subscriber Issue: 503 error for 24+ hours Symptoms: Zero logs, no access, completely broken Attempts: New clone (rdcg-engine), hardware change to ZeroGPU, factory reboot, new HF token, code fixes Status: All request IDs from today show 503 errors Impact: Production RAG system down