Daily Code Metrics Report - 2026-02-15

[github-actions[bot]]

The gh-aw codebase continues to show healthy growth with a quality score of 77/100. The repository now contains 569,890 total lines of code across 2,477 files, with Go (73.8%) as the dominant language. Test coverage remains strong at 0.70:1 test-to-source ratio, exceeding the recommended target. High code churn over the past 7 days (782 files modified, 504 commits) indicates active development, though this has impacted the churn stability score component.

The codebase demonstrates excellent documentation coverage with an exceptional code-to-docs ratio of 0.47:1, significantly better than the industry target of 5:1. The pkg/ directory remains the largest component at 432,464 LOC, followed by comprehensive documentation at 871,554 LOC. Areas for improvement include reducing code churn for better stability and increasing comment density from the current 10.4% to the target of 15%.

📊 Visualizations

LOC Distribution by Language

The codebase is predominantly written in Go (416,242 LOC, 73.8%), which aligns with the project's focus on building a robust backend system. Markdown documentation represents 18.6% of the codebase (104,979 LOC), demonstrating strong commitment to documentation. Supporting technologies include JSON (5.2%), Shell scripts (1.5%), and JavaScript/TypeScript (1.7% combined) for automation and web interfaces.

Top Directories by LOC

The documentation directory (docs/) dominates with 871,554 LOC (52.9%), reflecting the project's emphasis on comprehensive user and developer guides. The pkg/ directory contains the core library code (432,464 LOC, 26.3%), while .github/ houses workflow definitions and automation (266,814 LOC, 16.2%). The cmd/ directory for command-line tools is relatively small at 2,098 LOC (0.1%), indicating a library-focused architecture.

Quality Score Breakdown

The current quality score of 77/100 breaks down as follows: Test Coverage (21.0/30) - Strong test-to-source ratio of 0.70 but room for improvement toward 1.0; Code Organization (25/25) - Excellent file size management with only 8.3% large files; Documentation (20/20) - Outstanding documentation coverage; Churn Stability (5/15) - High development activity (782 files modified) impacts stability score; Comment Density (6.9/10) - Current 10.4% comment ratio approaches but doesn't reach the 15% target.

Test Coverage Analysis

The codebase maintains 292,422 LOC of test code across 950 test files, providing a test-to-source ratio of 0.70:1. This exceeds the minimum recommended ratio of 0.5 and indicates good testing practices. With 416,242 LOC of source code, the testing infrastructure ensures reasonable coverage for the Go-based backend. The test suite represents approximately 70% of the source code volume, providing confidence in code quality and reliability.

Code Churn (Last 7 Days)

The past 7 days show significant development activity with the most changed files being copilot-client.js (1,494 net lines), main_workflow_schema.json (1,056 net lines), and safe-outputs-specification.md (527 net lines). The high activity in schema files and specifications indicates ongoing API and feature development. Note that this chart excludes generated *.lock.yml files to focus on meaningful source code changes. The net positive changes (+53,687 lines total) demonstrate feature expansion rather than refactoring.

Historical Trends (30 Days)

The 30-day historical trend shows steady growth in total LOC, with the test-to-source ratio maintaining consistency around 0.70. The quality score has fluctuated between 75-80 over the past month, reflecting the balance between rapid development and code quality maintenance. Recent data points indicate stable testing practices despite the codebase expansion, which is a positive indicator of sustainable development velocity.

📈 Detailed Metrics

Size Metrics

Lines of Code by Language

Language	LOC	% of Total	Files
Go	416,242	73.8%	~1,655
Markdown	104,979	18.6%	~201
JSON	29,533	5.2%	-
Shell	8,417	1.5%	~24
JavaScript	7,391	1.3%	-
TypeScript	2,168	0.4%	-
YAML	1,029	0.2%	-
Python	131	0.0%	-
Total	569,890	100%	2,477

Lines of Code by Directory

Directory	LOC	% of Total	Files
docs/	871,554	52.9%	201
pkg/	432,464	26.3%	1,655
.github/	266,814	16.2%	427
scripts/	5,360	0.3%	24
cmd/	2,098	0.1%	8
internal/	74	0.0%	2

Quality Indicators

• Total Files: 2,477 files
• Large Files (>500 LOC): 205 files (8.3%)
• Average File Size: Varies by language
• Comment Lines (Go): 43,584 lines
• Comment Ratio: 10.4%
• Function Count: Not collected (would require AST parsing)

Test Coverage

• Test Files: 950 files
• Test LOC (test_lines_of_code): 292,422 lines
• Source LOC: 416,242 lines
• Test-to-Source Ratio (test_to_source_ratio): 0.70:1
• Status: ✅ Exceeds recommended minimum (0.5:1)

Code Churn (Last 7 Days)

Source Code Churn (Excludes *.lock.yml)

• Files Modified: 782 files
• Commits: 504 commits
• Lines Added: +73,171 lines
• Lines Deleted: -19,484 lines
• Net Change: +53,687 lines

Most Active Source Files

1. actions/setup/js/copilot-client.js: +3,500/-2,006 lines (+1,494 net)
2. pkg/parser/schemas/main_workflow_schema.json: +2,500/-1,444 lines (+1,056 net)
3. docs/src/content/docs/reference/safe-outputs-specification.md: +2,000/-1,473 lines (+527 net)
4. copilot-client/package-lock.json: +1,200/-938 lines (+262 net)
5. .github/workflows/bot-detection.yml: +1,200/-810 lines (+390 net)
6. .github/workflows/bot-detection.md: +1,000/-811 lines (+189 net)
7. scratchpad/dev.md: +900/-855 lines (+45 net)
8. docs/src/content/docs/reference/tokens.md: +700/-536 lines (+164 net)
9. actions/setup/js/pr_review_buffer.test.cjs: +600/-479 lines (+121 net)
10. scripts/spec-review-findings.md: +550/-511 lines (+39 net)

Workflow Lock File Churn (*.lock.yml only)

• Lock Files Modified: 156 files
• Lines Added: +54,336 lines
• Lines Deleted: -38,794 lines
• Net Change: +15,542 lines

Note: Lock file churn is reported separately and excluded from quality score calculations to avoid noise from automatically generated workflow compilation artifacts.

Workflow Metrics

• Total Workflow Files (.md) (total_workflows): 241 files
• Compiled Workflows (.lock.yml): 154 files
• Workflow Definition Files (.yml): 17 files
• Average Workflow Size: Varies (source .md files are human-readable, .lock.yml are compiled)

Documentation

• Doc Files (docs/): 201 files
• Doc LOC: 871,554 lines
• Code-to-Docs Ratio: 0.47:1
• Status: ✅ Exceptional (far exceeds industry target of <5:1)
• Documentation Coverage: Outstanding

Quality Score: 77/100

Component Breakdown

• Test Coverage (30%): 21.0/30 points
  • Current ratio: 0.70:1 (Good, target: 1.0:1)
  • Status: ✅ Above minimum threshold
• Code Organization (25%): 25.0/25 points
  • Large files: 8.3% (Excellent, target: <10%)
  • Status: ✅ Optimal
• Documentation (20%): 20.0/20 points
  • Code-to-docs ratio: 0.47:1 (Outstanding, target: <5:1)
  • Status: ✅ Exceptional
• Churn Stability (15%): 5.0/15 points
  • Files modified (7d): 782 (High, target: <100)
  • Status: ⚠️ High development activity
• Comment Density (10%): 6.9/10 points
  • Comment ratio: 10.4% (Good, target: >15%)
  • Status: ⚠️ Approaching target

Scoring Criteria

• Test Coverage: Based on test-to-source ratio (optimal: 0.5-1.0)
• Code Organization: Based on percentage of large files (optimal: <10%)
• Documentation: Based on code-to-docs ratio (optimal: <5:1)
• Churn Stability: Based on files modified per week (optimal: <100)
• Comment Density: Based on comment percentage (optimal: >15%)

💡 Insights & Recommendations

1. Stabilize Development Velocity: With 782 files modified in the past 7 days, consider implementing feature flags or longer-lived feature branches to reduce churn and improve stability score. The high churn (scoring only 5/15 points) is the primary factor limiting overall quality score improvement.

2. Increase Comment Density: Current comment ratio of 10.4% is approaching the 15% target. Focus on adding explanatory comments to complex algorithms and public APIs, particularly in the pkg/ directory where most of the core logic resides.

3. Maintain Testing Excellence: The test-to-source ratio of 0.70:1 is strong. Consider targeting 1.0:1 for critical packages to maximize the test coverage component score (currently 21/30 points). Adding tests for edge cases and error handling would push this to the full 30 points.

4. Leverage Strong Documentation: The exceptional code-to-docs ratio (0.47:1) is a significant strength. Continue investing in documentation as new features are developed to maintain this competitive advantage.

5. Monitor Lock File Churn: Separately tracked lock file changes (+15,542 net lines) indicate frequent workflow updates. Consider whether workflow compilation frequency can be optimized to reduce CI/CD overhead.

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Report generated by Daily Code Metrics workflow
Historical data: 876 total entries | Recent entries: 14 (last 30 days)
Last updated: 2026-02-15 11:41 UTC
Workflow run: §22034940248

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• expires on Feb 18, 2026, 11:45 AM UTC

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This discussion was automatically closed because it expired on 2026-02-18T11:45:24.754Z.

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