Rename mistral.go → llm_enricher.go and mistral_test.go →
llm_enricher_test.go; update all test function names and stale model
strings (mistral-large-latest → gemini-2.5-flash-lite); drop Ollama
block from .env; mark superseded planning specs; update provider
references in planning docs and CLAUDE.md to Google Gemini.
vikingowl
2f32d4b954