Gemini API
- Added Background execution guide documenting the
background=trueparameter in the Interactions API for long-running tasks such as deep research, agent executions, and extended reasoning with supported models including gemini-3.5-flash, gemini-3.1-pro-preview, and Managed Agents. - Updated Deep Research, get-started, interactions-overview, and streaming pages with revised guidance, cross-links, and state management details for background execution.