trends — the project's metrics over time
python -m skills.trends.cli snapshot . # record current metrics
python -m skills.trends.cli show . # series + Δ since previous run
Each snapshot appends to .botte/trends.jsonl; show reports the series and
the delta (e.g. "duplicate_groups 35 ▼ 12"). Run it after each checkup to watch
the project improve. Exposed via [[llm_mcp]] as trends_show. Related:
[[checkup]], [[metrics]], [[report]].