OCT. 13, 2026 / Gemini

Optimizing a 200,000-line Python codebase overnight with Gemini 4 Argon

How our engineering team ran Gemini 4 Argon unattended overnight with .agents/skills and /goal mode to cut in-memory session prep overhead by 40% in long sessions and speed up cold imports by 21% in Google's open-source Python Agent Development Kit (ADK).