Integration runs were burning the personal Anthropic 5-hour window
(429 storm + window drain, 2026-09-02). New env-only context
minimax-m3-max/v1 pins ANTHROPIC_MODEL=MiniMax-M3[1m], maxes the
thinking budget, and sets the 1M auto-compact window; layered on
minimax/v1 for base URL + apiKeyHelper auth.
Claude-Session: https://claude.ai/code/session_019tJk7P8tZzJ24PvtgoGhLN
