Daily Code Metrics Report - 2026-02-21

[github-actions[bot]]

The codebase continues its steady growth trajectory, reaching 433,306 Go LOC today — up +0.72% from yesterday and +4.1% over the past week. Go dominates at 92% of source code, complemented by a rich Markdown documentation layer. The overall quality score is 76/100, a slight dip of 2 points from yesterday (78) driven primarily by elevated source code churn this week.

Test coverage remains excellent at a 2.33x test-to-source ratio (302,969 test LOC vs 130,337 source LOC), well above the recommended minimum of 1.0. The major active areas this week are the docs editor, safe-outputs-specification, and pkg/parser/schemas — reflecting ongoing documentation and schema work. Churn stability is the weakest component (3/15) due to high file modification volume (1,400 source files in 7 days), though this reflects active feature development rather than instability.

📊 Visualizations

LOC Distribution by Language

Go accounts for 92% of all source LOC (433,306 lines). Markdown documentation is the second-largest category at 180,200 lines across 483 files. JavaScript, TypeScript, Shell, and Python together contribute ~14,700 lines.

Top Directories by LOC

pkg/ dominates at 430,408 Go LOC across 1,694 files, reflecting the core library infrastructure. .github/workflows holds 268,651 lines across 395 files (including generated lock files). The scratchpad/ and skills/ directories together contribute ~46,000 lines of supplementary content.

Quality Score Breakdown

Score of 76/100 — Test Coverage achieves full marks (30/30), while Code Organization (18/25) and Documentation (18/20) score well. Churn Stability (3/15) reflects the high development velocity this week. Comment Density (7/10) at 10.4% is healthy but below the ideal 15-25% range.

Test Coverage Analysis

The test-to-source ratio has been exceptionally strong since Feb 17, holding steady around 2.33x. The ratio jumped sharply from 0.70 (Feb 15) to 2.15+ (Feb 17), indicating a significant addition of test infrastructure that has been maintained since.

Code Churn (Last 7 Days)

Top churn is concentrated in documentation and editor-related files. safe-outputs-specification.md gained +4,076 lines (specification expansion), and docs/public/editor/ saw significant updates to index.html, editor.js, and autocomplete-data.json. pkg/parser/schemas/main_workflow_schema.json reflects ongoing schema evolution. pkg/cli/mcp_server.go had a notable reduction (-1,357 lines), suggesting a refactor or cleanup. Lock files are excluded from this view.

Historical Trends (7-Day Window)

Go LOC has grown steadily from 416K to 433K over the tracked period. Quality score fluctuates between 70–82 with today at 76. The test-to-source ratio stabilized above 2.0x from Feb 17 onward, indicating strong and sustained test coverage.

📈 Detailed Metrics

Size Metrics

Lines of Code by Language

Language	LOC	Files	% of Source
Go	433,306	1,521	92.2%
Markdown/MDX	180,200	483	— (docs)
JSON	32,040	80	6.8%
Shell	9,023	62	1.9%
JavaScript	3,195	13	0.7%
TypeScript	1,721	17	0.4%
YAML	4,889	18	— (config)
Python	829	3	0.2%

Lines of Code by Directory

Directory	LOC	Files	Notes
pkg/	430,408	1,694	Core library
.github/workflows	268,651	395	Incl. lock files
docs/	37,302	130	Documentation site
scratchpad/	37,934	62	Work-in-progress
skills/	8,111	26	Skill definitions
cmd/	2,232	12	CLI entry points
internal/	74	6	Internal packages

Quality Indicators

• Average File Size: 570 lines
• Large Files (>500 LOC): 214 files (14.1% of Go files)
• Function Count: 7,663 functions
• Comment Lines: 45,188 lines (10.4% ratio)
• Trend (1d): ⬆️ +0.3% comment lines

Test Coverage

• Test Files: 962 *_test.go files
• Test LOC (test_lines_of_code): 302,969 lines
• Source LOC (Go non-test): 130,337 lines
• Test-to-Source Ratio (test_to_source_ratio): 2.33 ➡️ (stable)
• Trend (7d): ⬆️ from 0.70 to 2.33

Code Churn (Last 7 Days)

Source Code Churn (Excludes *.lock.yml)

• Files Modified: 1,400 files ⬆️ (+25% vs yesterday)
• Commits: 423 commits
• Lines Added: +172,095 lines
• Lines Deleted: -110,378 lines
• Net Change: +61,717 lines ⬆️

Most Active Source Files

File	Added	Deleted	Net
docs/.../safe-outputs-specification.md	+4,076	-42	+4,034
docs/public/editor/index.html	+2,193	-1,787	+406
pkg/parser/schemas/main_workflow_schema.json	+2,092	-1,841	+251
skills/dictation/SKILL.md	+1,063	-1,051	+12
docs/public/editor/editor.js	+1,265	-797	+468
docs/public/editor/autocomplete-data.json	+1,760	-222	+1,538
specs/artifacts.md	+1,618	-99	+1,519
pkg/cli/mcp_server.go	+93	-1,357	-1,264
scripts/spec-review-findings.md	+1,061	0	+1,061
scratchpad/adding-new-engines.md	+904	0	+904

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

• Lock Files Modified: 163 files
• Lines Added: +80,101 lines
• Lines Deleted: -57,439 lines
• Net Change: +22,662 lines

Note: Lock file churn is reported separately and excluded from quality score calculations to avoid noise from generated files.

Workflow Metrics

• Total Workflow Files (.md) (total_workflows): 213 files ➡️
• Compiled Workflows (.lock.yml): 157 files ➡️
• Raw Workflow YAML files: 18 files
• Total workflow files: 395 files
• Average Workflow Size (.md): 531 lines/file

Documentation

• Doc Files (docs/): 130 files
• Doc LOC (docs/ dir): 37,302 lines
• All Markdown/MDX files: 483 files, 180,200 lines
• Code-to-Docs Ratio (source vs all-MD): 0.72:1 (docs exceed source — well documented)
• Trend (7d): ⬆️ growing

Quality Score: 76/100 ⬇️ (was 78 yesterday)

Component Breakdown

Component	Score	Max	%
Test Coverage	30	30	100% ✅
Code Organization	18	25	72% ⚠️
Documentation	18	20	90% ✅
Churn Stability	3	15	20% ❌
Comment Density	7	10	70% ⚠️
Total	76	100	76%

💡 Insights & Recommendations

1. Churn Stability is the primary drag on quality score — 1,400 source files modified in 7 days is high. Consider reviewing whether large-scale automated changes (schema updates, doc generation) are inflating the count. Separating auto-generated changes from hand-written changes would give a cleaner stability signal.

2. 214 large Go files (>500 LOC) represent 14% of all files and drag down Code Organization. Targeting the largest files for refactoring into smaller, focused packages could improve maintainability and the organization score.

3. pkg/cli/mcp_server.go had a -1,264 net LOC reduction — this cleanup is positive and worth tracking to ensure no functionality was lost.

4. Comment density at 10.4% is below the 15–25% ideal range. Go's self-documenting style helps, but adding godoc comments to exported functions would improve both the metric and developer experience.

5. The docs/public/editor/ cluster saw heavy churn (+4,400 combined lines across 3 files) — if this is the live editor feature, consider capturing integration tests to lock down the behavior before further refactors.

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Report generated by Daily Code Metrics workflow · §22256076685
Historical data: 7-day window | Last updated: 2026-02-21 UTC

AI generated by Daily Code Metrics and Trend Tracking Agent

• expires on Feb 24, 2026, 11:44 AM UTC

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