- Added top-ranked models from OpenRouter.ai rankings:
- Kimi K2.5 0127 (#1 ranked)
- Claude Opus 4.5 / Sonnet 4.5
- Gemini 3 Flash Preview / 2.5 Flash / 2.5 Flash Lite
- Deepseek V3.2
- Grok 4.1 Fast / Grok Code Fast 1
- Minimax M2.1
- Refactored SHALLOW_AGENT_OPTIONS and DEEP_AGENT_OPTIONS to module-level constants
- Added comprehensive tests for OpenRouter model configuration in tests/test_cli_utils.py
- Preserved existing free models (Nemotron, GLM)
The model options dictionaries were moved from function scope to module level
to enable better testing and reusability.