* feat(providers): add Gemini Deep Research via Interactions API
* fix(providers): hide memory UI for deep research models
* feat(providers): add multi-turn support and token logging for deep research
* fix(providers): only collect user messages as deep research input
* fix(providers): forward previousInteractionId to provider request
* fix(blocks): hide memory child fields for deep research models
* remove memory params from models that don't support it in provider requests
* update blog