coverage-reportlisted

# coverage-report Generate comprehensive coverage reports with historical data and trend analysis. ## Commands ```bash /coverage-report # Current + 7-day trend /coverage-report --full # Full report with all gaps /coverage-report --compare # Compare branch vs main /coverage-report --trend 30 # 30-day trend analysis ``` ## Execution Flow ### 1. Load History ```bash cat .coverage-history/snapshots.jsonl ``` Parse all snapshots into array for analysis. Each line is a JSON object. ### 2. Calculate Current State From latest snapshot (last line): ```bash tail -1 .coverage-history/snapshots.jsonl | jq . ``` Extract: - Vitest: lines, branches, functions - Playwright: routes covered / total - pytest: lines, branches ### 3. Calculate Trends **7-day trend (default):** ```bash # Get snapshot from 7 days ago WEEK_AGO=$(date -v-7d +%Y-%m-%d) grep "\"ts\":\"$WEEK_AGO" .coverage-history/snapshots.jsonl | tail -1 ``` **30-day trend (with --trend 30):** ```bash MONTH_AGO=$(date -v-30d +%Y-%m-%d) grep "\"ts\":\"$MONTH_AGO" .coverage-history/snapshots.jsonl | tail -1 ``` **Trend indicators:** | Delta | Indicator | |-------|-----------| | > +0.5% | ↑ (improving) | | -0.5% to +0.5% | → (stable) | | < -0.5% | ↓ (declining) | ### 4. Load Critical Gaps History ```bash cat .coverage-history/critical-gaps.jsonl ``` Track persistence: - **New:** First seen in current snapshot - **Persistent:** Seen in multiple snapshots (calculate days) - **Resolved:** Was in hist