Hardening: pin Anthropic by default, add fallbacks and cached demo

Try Blaxel agents/query endpoint first

Fallback to Anthropic/OpenAI when Blaxel fails

Add Blaxel endpoint fallbacks

Add judge quickstart and update Blaxel headers

Default to Blaxel (env override OG_LLM_PROVIDER)

Add brownfield import mode and sponsor LLM support

Fix syntax error in Hugging Face response handling

Fix f-string escapes for new provider endpoints

Remove OpenRouter placeholder code

Add Blaxel, SambaNova, Nebius, and Hugging Face LLM providers

Disable OpenRouter; only Anthropic/OpenAI providers remain

Normalize LLM env vars to strip whitespace and report presence accurately

Remove LLM mock fallbacks and surface real errors

Log full exception details for Anthropic errors

Surface API errors and fallback to OpenAI if Anthropic fails

Improve monitoring UX and deterministic offline outputs

Add comprehensive API monitoring and cost tracking

Support MCP hackathon secret naming convention

Add LLM integration with Claude 3 Haiku

Add LLM integration foundation for smart pipeline