Interactions API (Beta)
- Added documentation for the new Interactions API, including overview, migration guidance, and support for server-side history, agentic workflows, and background processing.
- Added Using Gemini API keys guide covering standard vs. authorization keys, migration timeline, and management in Google AI Studio.
- Added File input methods guide with inline data, File API upload, and comparison table for multimodal inputs.
- Added Image understanding, text generation, structured outputs, and token counting guides with code samples for the Interactions API.
- Added thought signatures reference (linked to the main thinking guide).