7f43f160b5
The previous documentation implied that categories automatically use their built-in default models (e.g., Gemini for visual, GPT-5.2 for ultrabrain). This was misleading. Categories only use built-in defaults if explicitly configured. Otherwise, they fall back to the system default model. Changes: - Add explicit warning about model resolution priority - Document all 7 built-in categories (was only showing 2) - Show complete example config with all categories - Explain the wasteful fallback scenario - Add 'variant' to supported category options Fixes confusion where users expect optimized model selection but get system default for all unconfigured categories. Co-authored-by: DC <vmlinux@p16.tailnet.freeflight.co>