# AI Engineering Lab

> Evidence-first AI engineering: the Provider-Aware Statusline for Claude Code behind the OmniRoute LLM routing gateway — see which provider and model actually served your request. Zero-dependency Node.js statusline (68 contract tests) plus the research, findings, architecture, and ADRs that prove how it works.

[llms-full.txt](https://unscriptedbykramy.github.io/AI-Engineering-Lab/llms-full.txt)

## Key resources

- [the lab's flagship project overview](https://unscriptedbykramy.github.io/AI-Engineering-Lab/) — README.md
- [full operational guide, install, and troubleshooting](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/) — Statusline/README.md
- [verified data flow and component responsibilities](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Architecture/) — Architecture.md
- [Architecture Decision Records and project-level decisions](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Decisions/) — Decisions.md
- [consolidated verified knowledge and open questions](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Knowledge-Base/) — Knowledge-Base.md
- [phases, gates, deliverables, and next actions](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Roadmap/) — Roadmap.md
- [how the lab started and why the project exists](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Origin-Story/) — Origin-Story.md

## Optional

- [Project Charter](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Project%20Charter/) — scope, constraints, success criteria, and non-goals
- [PROJECT_RETROSPECTIVE](https://unscriptedbykramy.github.io/AI-Engineering-Lab/PROJECT_RETROSPECTIVE/) — project retrospective
- [Skill-Candidates](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Skill-Candidates/) — engineering evidence ledger for reusable workflows
- [README](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/)
- [01-display-requirements](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/01-display-requirements/)
- [02-input-output-contract](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/02-input-output-contract/)
- [03-provider-model-naming](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/03-provider-model-naming/)
- [04-caching-timeout-policy](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/04-caching-timeout-policy/)
- [05-security-privacy](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/05-security-privacy/)
- [06-test-cases-acceptance](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/06-test-cases-acceptance/)
- [07-design-handoff](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Statusline/Design/07-design-handoff/)
- [2026-08-01 - Phase 1B Investigation Plan](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-01%20-%20Phase%201B%20Investigation%20Plan/)
- [2026-08-01 - Phase 1B -  Auto-Cheap Classifier Gating](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-01%20-%20Phase%201B%20-%20%20Auto-Cheap%20Classifier%20Gating/)
- [2026-08-01 - Phase 1B - OmniRoute Topology and Logs](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-01%20-%20Phase%201B%20-%20OmniRoute%20Topology%20and%20Logs/)
- [2026-08-01 - Phase 1B - Resolved-Route Exposure](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-01%20-%20Phase%201B%20-%20Resolved-Route%20Exposure/)
- [2026-08-01 - Phase 1B - Statusline Input Contract](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-01%20-%20Phase%201B%20-%20Statusline%20Input%20Contract/)
- [2026-08-02 - Phase 2 - Read-only Verification](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-02%20-%20Phase%202%20-%20Read-only%20Verification/)
- [2026-08-02 - Phase 2 Architecture Plan](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-02%20-%20Phase%202%20Architecture%20Plan/)
- [2026-08-02 - Phase 4 Implementation Plan](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-02%20-%20Phase%204%20Implementation%20Plan/)
- [2026-08-03 - Phase 5 - Validation Evidence and Staleness Contract Check](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-03%20-%20Phase%205%20-%20Validation%20Evidence%20and%20Staleness%20Contract%20Check/)
- [2026-08-03 - Phase 5 - Validation Report](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-03%20-%20Phase%205%20-%20Validation%20Report/)
- [2026-08-04 - Context Window Data Source and Statusline Styling](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Findings/2026-08-04%20-%20Context%20Window%20Data%20Source%20and%20Statusline%20Styling/)
- [2026-08-01 - Perplexity Research Round 01 - Initial Investigation](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Research/2026-08-01%20-%20Perplexity%20Research%20Round%2001%20-%20Initial%20Investigation/)
- [2026-08-01 - Perplexity Research Round 02 - OmniRoute Metadata](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Research/2026-08-01%20-%20Perplexity%20Research%20Round%2002%20-%20OmniRoute%20Metadata/)
- [2026-08-01 - Perplexity Research Round 03 - Source Code Investigation](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Research/2026-08-01%20-%20Perplexity%20Research%20Round%2003%20-%20Source%20Code%20Investigation/)
- [2026-08-01 - Perplexity Research Round 04 - Endpoint Investigation](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Research/2026-08-01%20-%20Perplexity%20Research%20Round%2004%20-%20Endpoint%20Investigation/)
- [Bibliography](https://unscriptedbykramy.github.io/AI-Engineering-Lab/References/Bibliography/) — source links and provenance
- [README](https://unscriptedbykramy.github.io/AI-Engineering-Lab/Assets/screenshots/) — real statusline output frames
- [CHANGELOG](https://unscriptedbykramy.github.io/AI-Engineering-Lab/CHANGELOG/) — release history
- [CONTRIBUTING](https://unscriptedbykramy.github.io/AI-Engineering-Lab/CONTRIBUTING/) — contribution guidelines
- [CODE_OF_CONDUCT](https://unscriptedbykramy.github.io/AI-Engineering-Lab/CODE_OF_CONDUCT/) — code of conduct
- [SECURITY](https://unscriptedbykramy.github.io/AI-Engineering-Lab/SECURITY/) — security policy
- [LICENSING](https://unscriptedbykramy.github.io/AI-Engineering-Lab/LICENSING/) — dual-license guide (MIT code, CC BY 4.0 docs)