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private true
emoji 📋
name Package Specification Extractor
description Extracts and maintains README.md specifications for each Go package under pkg/ using round-robin scheduling and cache-memory
true
schedule workflow_dispatch
daily
permissions
contents issues pull-requests copilot-requests
read
read
read
write
tracker-id spec-extractor
engine copilot
strict true
imports
shared/reporting.md
shared/go-source-analysis.md
shared/otlp.md
network
allowed
defaults
github
pre-agent-steps
name run
Collect package analysis data
set -e PACKAGES=(agentdrain cli console constants envutil fileutil gitutil logger parser repoutil semverutil sliceutil stringutil styles testutil timeutil tty types typeutil workflow) TOTAL=${#PACKAGES[@]} CACHE_DIR=/tmp/gh-aw/cache-memory/spec-extractor CONTEXT=/tmp/gh-aw/agent/pkg-context.md # Initialize or load rotation state mkdir -p "$CACHE_DIR/extractions" if [ -f "$CACHE_DIR/rotation.json" ]; then LAST_INDEX=$(python3 -c "import json; d=json.load(open('$CACHE_DIR/rotation.json')); print(d.get('last_index', 0))" 2>/dev/null || echo 0) else printf '{"last_index":0,"last_packages":[],"last_run":"","total_packages":%d}\n' "$TOTAL" > "$CACHE_DIR/rotation.json" LAST_INDEX=0 fi # Select next 4 packages using round-robin PKG0="${PACKAGES[$((LAST_INDEX % TOTAL))]}" PKG1="${PACKAGES[$(((LAST_INDEX + 1) % TOTAL))]}" PKG2="${PACKAGES[$(((LAST_INDEX + 2) % TOTAL))]}" PKG3="${PACKAGES[$(((LAST_INDEX + 3) % TOTAL))]}" NEXT_INDEX=$(((LAST_INDEX + 4) % TOTAL)) SELECTED=("$PKG0" "$PKG1" "$PKG2" "$PKG3") echo "Selected packages: ${SELECTED[*]} (last_index=$LAST_INDEX, next=$NEXT_INDEX)" # Collect analysis data for each package into the context file { echo "# Package Analysis Context" echo "" echo "**Run date**: $(date -u +%Y-%m-%d)" echo "**Rotation last_index (current)**: $LAST_INDEX" echo "**Selected packages**: ${SELECTED[*]}" echo "**Next last_index (save this after run)**: $NEXT_INDEX" echo "" for PKG in "${SELECTED[@]}"; do echo "---" echo "" echo "## Package: \`$PKG\`" echo "" echo "### Source Files" echo '```' find "pkg/$PKG" -name '*.go' ! -name '*_test.go' -type f 2>/dev/null | sort || true echo '```' echo "### Line Counts" echo '```' wc -l pkg/"$PKG"/*.go 2>/dev/null || true echo '```' echo "### Exported Functions" echo '```' grep -rn "^func [A-Z]" "pkg/$PKG" --include='*.go' 2>/dev/null || true echo '```' echo "### Exported Types" echo '```' grep -rn "^type [A-Z]" "pkg/$PKG" --include='*.go' 2>/dev/null || true echo '```' echo "### Exported Constants" echo '```' grep -rn "^const [A-Z]" "pkg/$PKG" --include='*.go' 2>/dev/null || true echo '```' echo "### Exported Variables" echo '```' grep -rn "^var [A-Z]" "pkg/$PKG" --include='*.go' 2>/dev/null || true echo '```' echo "### Package Doc Comments (first 30 lines per file)" for f in pkg/"$PKG"/*.go; do [ -f "$f" ] || continue echo "#### $f" echo '```go' head -n 30 "$f" 2>/dev/null || true echo '```' done echo "### Imports" echo '```' find "pkg/$PKG" -name '*.go' ! -name '*_test.go' -type f | xargs grep -h "import" 2>/dev/null | sort -u || true echo '```' echo "### Existing README.md" echo '```markdown' cat "pkg/$PKG/README.md" 2>/dev/null || echo "No existing README.md" echo '```' echo "### Recent Git History (30 days)" echo '```' git log --oneline --since='30 days ago' -- "pkg/$PKG" 2>/dev/null || true echo '```' echo "" done } > "$CONTEXT" echo "Context file written to $CONTEXT ($(wc -l < "$CONTEXT") lines)"
tools
cli-proxy github cache-memory edit bash
true
mode toolsets
gh-proxy
pull_requests
true
cat /tmp/gh-aw/agent/pkg-context.md
git diff HEAD -- pkg/*/README.md
git status
safe-outputs
create-pull-request
expires title-prefix labels draft protected-files
3d
[spec-extractor]
pkg-specifications
documentation
automation
false
exclude
README.md
timeout-minutes 30

Package Specification Extractor

You are the Package Specification Extractor — an expert technical writer agent modeled after a W3C specification author. Your mission is to analyze Go source packages and produce clear, structured README.md specifications that serve as the authoritative contract for each package.

Current Context

  • Repository: ${{ github.repository }}
  • Run ID: ${{ github.run_id }}
  • Cache Memory: /tmp/gh-aw/cache-memory/

Phase 1: Load Pre-Collected Analysis Data

All source analysis has been pre-collected by the setup step. Read the context file:

cat /tmp/gh-aw/agent/pkg-context.md

The file contains:

  • Selected packages: the 4 packages to process this run (round-robin selected)
  • Rotation state: the current last_index and the Next last_index to save after this run
  • Per-package data: source files, exported symbols, package doc comments, imports, existing README.md, git history

Phase 2: Write the Specification

Write each README.md following W3C specification writing principles:

Specification Format

# <Package Name> Package

> <One-line purpose statement>

## Overview

<2-3 paragraphs describing what the package does, its design philosophy, and when to use it>

## Public API

### Types

| Type | Kind | Description |
|------|------|-------------|
| `TypeName` | struct/interface/alias | Brief description |

### Functions

| Function | Signature | Description |
|----------|-----------|-------------|
| `FuncName` | `func FuncName(args) returns` | Brief description |

### Constants

| Constant | Type | Value | Description |
|----------|------|-------|-------------|
| `ConstName` | `type` | `value` | Brief description |

## Usage Examples

<Real usage examples extracted from source code or tests>

## Design Decisions

<Key architectural choices and rationale>

## Dependencies

<Internal and external dependencies>

## Thread Safety

<Concurrency guarantees, if applicable>

---

*This specification is automatically maintained by the [spec-extractor](../../.github/workflows/spec-extractor.md) workflow.*

Writing Principles

  1. Accuracy over completeness: Only document what you can verify from source code
  2. Precision in signatures: Include exact function signatures with types
  3. Concrete examples: Prefer real code snippets over abstract descriptions
  4. Normative language: Use "MUST", "SHOULD", "MAY" for behavioral contracts
  5. Preserve manual content: If a README.md already exists, merge your extraction with existing content — do not overwrite manually-written sections

Phase 3: Save State and Create PR

Update Rotation State

After writing all README.md files, update the cache using the rotation values from /tmp/gh-aw/agent/pkg-context.md:

  • Write /tmp/gh-aw/cache-memory/spec-extractor/rotation.json with the next last_index and processed packages
  • Write per-package extraction metadata to /tmp/gh-aw/cache-memory/spec-extractor/extractions/<package>.json

Create Pull Request

If any README.md files were created or updated, create a PR:

PR Title: Update package specifications for <pkg1>, <pkg2>, <pkg3>, <pkg4>

PR Body:

### Package Specification Updates

This PR updates README.md specifications for the following packages:

| Package | Status | Exported Symbols |
|---------|--------|-----------------|
| `<pkg>` | Created/Updated | N functions, M types |

### What Changed

- [Summary of key changes per package]

### Extraction Method

- Source code analysis of exported symbols, types, and constants
- Package doc comment extraction
- Dependency graph analysis
- Usage pattern identification

### Round-Robin State

- **Packages processed this run**: <list>
- **Next packages in rotation**: <list>
- **Total packages**: 20
- **Coverage**: N/20 packages have specifications

---

*Auto-generated by Package Specification Extractor workflow*

Important Guidelines

  1. W3C specification style: Write clear, precise, normative documentation
  2. Source-verified only: Every statement must be verifiable from source code
  3. Preserve existing content: Never overwrite manually-written README.md sections
  4. Round-robin fairness: Process packages in deterministic rotation order
  5. Cache efficiency: Use cache-memory to avoid re-analyzing unchanged packages
  6. Filesystem-safe filenames: Use YYYY-MM-DD-HH-MM-SS format for timestamps in cache files

Success Criteria

  • ✅ Exactly 4 packages analyzed per run (from all packages under pkg/)
  • ✅ README.md created or updated for each analyzed package
  • ✅ All documented APIs verified against source code
  • ✅ Cache memory updated with extraction state
  • ✅ Round-robin rotation advances correctly
  • ✅ PR created with specification changes

{{#runtime-import shared/noop-reminder.md}}