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Changelog

All notable changes to Skill Router are documented here. The format is based on Keep a Changelog, and this project uses semantic versioning.

Unreleased

Added

  • .github/workflows/tests.yml — CI test matrix (Python 3.10–3.13)
  • .github/workflows/lint.yml — CI validation and syntax checks
  • .github/workflows/benchmark.yml — Benchmark CI on main branch pushes
  • .github/CODEOWNERS — Code ownership definitions
  • .github/ISSUE_TEMPLATE/bug_report.md — Bug report template
  • .github/ISSUE_TEMPLATE/feature_request.md — Feature request template
  • .github/PULL_REQUEST_TEMPLATE.md — PR checklist
  • SECURITY.md — Security policy and vulnerability reporting process
  • CODE_OF_CONDUCT.md — Contributor Covenant Code of Conduct
  • docs/ — Documentation structure (architecture, routing, configuration, agents, benchmarking, troubleshooting, development)
  • benchmark-baseline.json — Saved baseline for regression detection
  • --save-baseline, --baseline, --gate flags to benchmark runner
  • --scaling mode with preset corpus sizes (16/100/500/1000/5000)
  • ambiguity_recall, latency_p95_ms, metadata_reduction_pct metrics
  • pyproject.toml — Standard Python packaging
  • src/skill_router/__init__.py — Packaging shim for pip install
  • models.py — Extracted model layer (Skill, load_manifest)

Changed

  • Branding unified to "Skill Router" throughout public-facing files
  • manifest.json aliases cleaned up (removed "Skill_by_Satya" alias)
  • CONTRACT_MARKER updated to <!-- Skill Router:routing-contract -->
  • CONTRIBUTING.md expanded with routing behavior change guidelines
  • .gitignore expanded with .coverage, htmlcov/, .tox/, benchmark-results/, *.egg-info/, dist/, build/, wheels/
  • Windows path test failure fixed in test_install.py
  • Benchmark accuracy language scoped to reflect gold-set limitations
  • Troubleshooting table entry for benchmark accuracy clarified
  • skill.py built-in benchmark includes per-case latency and p95 reporting
  • Scaling results documented with honest interpretation

Fixed

  • Test failure on Windows due to path separator in test_install.py

2.0.0 — 2025-01-15

Added

  • Two-stage deterministic routing (cheap filtering + structured ranking)
  • Three-way decisions: route, ambiguous, no_route
  • Multi-skill plans with disjoint-dimension detection
  • Positive and negative routing boundaries (use_when, not_when)
  • Explicit call bonus with anchor requirement (adversarial protection)
  • Three-pass penalty system (not_when, object mismatch, conflicts)
  • Result caching with fingerprint-based invalidation
  • Drift detection between corpus and routing manifest
  • Conservative bootstrap for existing or empty repositories
  • Validation with exit codes
  • Gold-set benchmark (36 cases, 16-skill corpus)
  • Global/project installer with agent-specific layouts
  • --version, --debug, --no-cache CLI flags
  • Host-AI sanity check in maintenance contract