feat(storage): first-class data - no silent failures in the persistence pipeline

feat(storage): private dataset by default + /d/* reverse proxy

docs(spec): drop residual OpenRouter mentions

fix(agent): default back to gpt-oss-120b, pin Llama 3.3 to Together

fix(agent): strip reasoning_content from history, default to Llama 3.3 70B

feat(agent): switch AI backend from OpenRouter to HF Inference Providers

docs: refresh README, architecture, spec and add agent teams proposal

fix: prevent seed race condition with Y.Map guard and defensive checks