'Gemini Spark' agent leaks ahead of I/O 2026 with task scheduler and skill system

Code in Google App v17.20 revealed Gemini Spark, a proactive AI agent that pulls from linked apps, chat history, schedules, and location, and can execute tasks on a timed schedule via a skill system. The leak lands days before I/O 2026 on May 19, where Google is expected to formally unveil agentic Android features.