Neuron-Loop Roadmap Resilient Handoff / Resume from Checkpoint When loop breaks (coder crash, reviewer auth failure, timeout), save checkpoint state Checkpoint: current files, iteration number, findings history, addressed fingerprints Allow resuming with --resume <run-dir> — picks up from last good state Automatic provider fallback: if a provider 401s/429s, swap in backup from config Example: Anthropic dies → swap Sonnet for GPT-5.4 as reviewer, continue same run Florian's idea (2026-03-10) Provider Failover in Config failover: anthropic: openai # If Anthropic fails, use OpenAI xai: openrouter # If xAI fails, use OpenRouter