Evaluation & Guardrails

March 6, 2026 · View on GitHub

🏥 Quick Return to Emergency Room

You are in a specialist desk.
For full triage and doctors on duty, return here:

Think of this page as a sub-room.
If you want full consultation and prescriptions, go back to the Emergency Room lobby.

Evaluation disclaimer (GlobalFixMap · Eval)
The Eval section describes patterns and tools for building evaluation loops around AI systems.
All example scores, thresholds and labels are illustrative and depend on the local environment in which they were produced.
They should be read as diagnostic hints and design patterns rather than as evidence that any specific model or system has been scientifically validated.
If you adopt these ideas, please re run the evaluations in your own stack, check sensitivity to configuration changes and document the limits of what your numbers actually support.


A hub to prove fixes actually work and won’t regress.
Use this folder when you want to validate that your RAG / LLM pipeline changes are stable, measurable, and reproducible.
The goal is to prevent “double hallucination,” enforce acceptance gates, and keep evaluation pipelines auditable.


What this page is

  • A compact playbook to evaluate RAG quality and reasoning stability
  • Drop-in guardrails that catch failures before users see them
  • CI/CD-ready acceptance targets you can copy directly

When to use

  • You shipped a fix but cannot show measurable improvement
  • Answers look plausible but citations or snippets don’t match
  • Performance flips between seeds, sessions, or agent mixes
  • Latency tuning silently changes accuracy
  • Your team disagrees on whether a fix is “actually better”

Open these first


Common evaluation pitfalls

  • Double hallucination → Metrics look good (BLEU, ROUGE) but answers cite the wrong snippet
  • Recall illusion → Top-k recall seems fine, yet ΔS(question, context) is still unstable
  • Seed lottery → Success on one random seed hides instability across paraphrases
  • Hybrid flapping → HyDE + BM25 mixes reorder results differently every run
  • Over-clamping → Filters enforce tone but fail to fix logical drift
  • Benchmark mismatch → Eval set ignores OCR noise or multilingual inputs
  • No trace table → You cannot audit which snippet was cited

Fix in 60 seconds

  1. Adopt acceptance gates

    • Retrieval sanity: token overlap ≥ 0.70 to the gold section
    • ΔS(question, context) ≤ 0.45 on median across suite
    • λ_observe stays convergent across 3 paraphrases
  2. Require citations first

    • Enforce cite-then-answer with data-contracts.md
    • Log: question, retrieved ids, snippet spans, ΔS, λ
  3. Stability before speed

  4. Cross-agent cross-check

  5. Regression fence in CI


Minimal checklist

  • Trace table saved (citations + snippet spans)
  • ΔS computed per item; λ recorded at retrieval & reasoning
  • Coverage ≥ 0.70 to gold snippet
  • Cross-agent agreement tested
  • Latency vs accuracy chart archived with run id

Acceptance targets

  • ΔS(question, context) median ≤ 0.45
  • λ convergent across 3 paraphrases
  • Token overlap ≥ 0.70 to gold snippet
  • No unexplained rank flips on hybrid retrievers
  • CI blocks merges when targets fail

FAQ

Q: What is ΔS and why does it matter?
A: ΔS measures semantic distance between your query and retrieved context. Values above 0.45 indicate unstable retrieval, even if the snippet looks similar.

Q: Why not just trust BLEU/ROUGE?
A: They score surface similarity, not factual correctness. A fluent but wrong answer can pass BLEU. WFGY gates enforce snippet fidelity.

Q: What does λ_observe mean?
A: λ_observe tracks whether paraphrased queries converge on the same retrieval. Divergence shows instability that will confuse users.

Q: How do I build a trace table?
A: For every eval item, log question, retrieved ids, snippet spans, ΔS, λ_state. This makes your pipeline auditable later.

Q: Do I need a big eval set?
A: No. Start with 20 smoke-test items, including multilingual or noisy samples. Scale up only after you pass basic gates.

Q: What if latency tuning drops accuracy?
A: Always plot latency vs accuracy. Use the knee point of the curve, not the fastest or slowest configuration.


🔗 Quick-Start Downloads (60 sec)

ToolLink3-Step Setup
WFGY 1.0 PDFEngine Paper1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + <your question>”
TXT OS (plain-text OS)TXTOS.txt1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly

Explore More

LayerPageWhat it’s for
⭐ ProofWFGY Recognition MapExternal citations, integrations, and ecosystem proof
⚙️ EngineWFGY 1.0Original PDF tension engine and early logic sketch (legacy reference)
⚙️ EngineWFGY 2.0Production tension kernel for RAG and agent systems
⚙️ EngineWFGY 3.0TXT based Singularity tension engine (131 S class set)
🗺️ MapProblem Map 1.0Flagship 16 problem RAG failure taxonomy and fix map
🗺️ MapProblem Map 2.0Global Debug Card for RAG and agent pipeline diagnosis
🗺️ MapProblem Map 3.0Global AI troubleshooting atlas and failure pattern map
🧰 AppTXT OS.txt semantic OS with fast bootstrap
🧰 AppBlah Blah BlahAbstract and paradox Q&A built on TXT OS
🧰 AppBlur Blur BlurText to image generation with semantic control
🏡 OnboardingStarter VillageGuided entry point for new users

If this repository helped, starring it improves discovery so more builders can find the docs and tools.
GitHub Repo stars