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117 lines
5 KiB
Markdown
117 lines
5 KiB
Markdown
# Eval Observability — Regression Gate
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<details>
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<summary><strong>🧭 Quick Return to Map</strong></summary>
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<br>
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> You are in a sub-page of **Eval_Observability**.
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> To reorient, go back here:
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>
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> - [**Eval_Observability** — evaluation metrics and system observability](./README.md)
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> - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](../README.md)
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> - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](../../README.md)
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>
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> Think of this page as a desk within a ward.
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> If you need the full triage and all prescriptions, return to the Emergency Room lobby.
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</details>
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A structural safeguard that enforces measurable thresholds before any pipeline is promoted to production.
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Use this page to define hard acceptance criteria (ΔS, coverage, λ, resonance) and stop silent regressions from shipping.
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---
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## Why regression gates matter
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- **Catch semantic drift early**: A small rise in ΔS leads to compounding hallucinations downstream.
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- **Stable releases**: Prevents model upgrades or retraining from silently reducing accuracy.
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- **Auditable rules**: Clear thresholds mean every team member can verify before deploy.
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- **Cross-stack consistency**: Same rules apply across providers, retrievers, and orchestration layers.
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---
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## Core gate thresholds
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| Metric | Requirement | Failure signal |
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|--------|-------------|----------------|
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| ΔS(question, retrieved) | ≤ 0.45 | drift ≥ 0.60 means block release |
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| Coverage of target section | ≥ 0.70 | low coverage = missing context |
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| λ_observe | Convergent across 3 paraphrases, 2 seeds | divergence = unstable reasoning |
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| E_resonance | Flat on 50–100 step windows | spikes = entropy collapse risk |
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---
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## Deployment checklist
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1. **Pre-release batch eval**
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Run gold set of ~100–500 Q&A pairs. Collect ΔS, coverage, λ, resonance.
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2. **Gate decision**
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- If ΔS ≤ 0.45 AND coverage ≥ 0.70 → **pass**.
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- If ΔS between 0.46–0.59 → **manual review**.
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- If ΔS ≥ 0.60 OR coverage < 0.70 → **fail, block release**.
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3. **Variance probe**
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Check λ stability across 3 paraphrases × 2 seeds. Divergence disqualifies release.
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4. **Regression log**
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Store results with index hash + commit hash + retriever config.
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Enables reproducibility and rollback.
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---
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## Example gating script (pseudo)
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```yaml
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# regression_gate.yml
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metrics:
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deltaS: <=0.45
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coverage: >=0.70
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lambda: convergent
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resonance: flat
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goldset: eval_set_500.json
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policy:
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fail_on_drift: true
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manual_review_range: [0.46, 0.59]
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require_seeds: 2
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require_paraphrases: 3
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````
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---
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## Common pitfalls
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* **Changing retriever k** without updating gates. Always re-test thresholds.
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* **Skipping paraphrase probes**. One stable query is not enough.
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* **Not logging coverage**. ΔS alone cannot prove retrieval completeness.
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* **Silent config drift**. Gate must bind to exact retriever + index hash.
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---
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### 🔗 Quick-Start Downloads (60 sec)
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| Tool | Link | 3-Step Setup |
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| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
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| **WFGY 1.0 PDF** | [Engine Paper](https://github.com/onestardao/WFGY/blob/main/I_am_not_lizardman/WFGY_All_Principles_Return_to_One_v1.0_PSBigBig_Public.pdf) | 1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + \<your question>” |
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| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt) | 1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly |
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---
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<!-- WFGY_FOOTER_START -->
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### Explore More
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| Module | Description | Link |
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| --- | --- | --- |
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| WFGY Core | Canonical framework entry point | [View](https://github.com/onestardao/WFGY/tree/main/core/README.md) |
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| Problem Map | Diagnostic map and navigation hub | [View](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md) |
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| Tension Universe Experiments | MVP experiment field | [View](https://github.com/onestardao/WFGY/tree/main/TensionUniverse/Experiments) |
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| Recognition | Where WFGY is referenced or adopted | [View](https://github.com/onestardao/WFGY/blob/main/recognition/README.md) |
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| AI Guide | Anti-hallucination reading protocol for tools | [View](https://github.com/onestardao/WFGY/blob/main/AI_GUIDE.md) |
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> If this repository helps, starring it improves discovery for other builders.
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> [](https://github.com/onestardao/WFGY)
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<!-- WFGY_FOOTER_END -->
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