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148 lines
7.8 KiB
Markdown
148 lines
7.8 KiB
Markdown
# Eval Observability — λ_observe
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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 core probe for evaluating **semantic convergence** across multiple seeds, paraphrases, and retrieval variations.
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While ΔS measures semantic distance, **λ_observe** captures **stability vs divergence of reasoning paths**.
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---
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## Why λ_observe matters
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- **Detect fragile reasoning**: Even when ΔS looks safe, λ divergence indicates unstable chains.
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- **Identify paraphrase sensitivity**: If λ flips across harmless rewordings, the system is brittle.
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- **Audit retrieval randomness**: Different seeds producing opposite λ signals reveal weak schema.
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- **Ensure eval reproducibility**: Stable λ means tests repeat reliably under small perturbations.
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---
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## λ state encoding
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| Symbol | Meaning | Example failure |
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|--------|---------|-----------------|
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| **→** | Forward convergence, stable path | Same citations and reasoning across paraphrases |
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| **←** | Backward collapse, early abort | Tool call retries, empty citations |
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| **<>** | Split state, partial divergence | One paraphrase cites correct snippet, others miss |
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| **×** | Total collapse | Random answers, no citation alignment |
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---
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## Acceptance targets
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- **Convergence rate ≥ 0.80** across 3 paraphrases × 2 seeds.
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- **No × states** tolerated in gold-set eval.
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- **Split states (<>): ≤ 10%** of test cases acceptable.
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- **Forward (→)** must dominate stable runs.
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---
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## Evaluation workflow
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1. **Run triple paraphrase probe**
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Ask the same question three ways. Collect λ states.
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2. **Repeat with two seeds**
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Track variance.
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3. **Roll-up stats**
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Compute convergence ratio, collapse frequency, divergence rate.
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4. **Escalation**
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If λ <0.80 or × >0%, run root-cause: schema audit, retriever split, prompt ordering.
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---
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## Example probe schema
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```json
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{
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"query_id": "Q42",
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"runs": [
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{"paraphrase": 1, "seed": 123, "λ": "→"},
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{"paraphrase": 2, "seed": 123, "λ": "→"},
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{"paraphrase": 3, "seed": 123, "λ": "<>"},
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{"paraphrase": 1, "seed": 456, "λ": "→"},
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{"paraphrase": 2, "seed": 456, "λ": "×"},
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{"paraphrase": 3, "seed": 456, "λ": "→"}
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]
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}
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````
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---
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## Common pitfalls
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* **Only measuring ΔS** → misses hidden divergence.
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* **Seed-fixed eval** → looks stable but fragile in production.
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* **Ignoring split states** → small divergence often grows into collapse.
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* **No per-query logs** → averages hide catastrophic single failures.
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---
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## Reporting recommendations
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* **λ distribution table**: % of →, ←, <>, ×.
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* **Convergence trend**: chart over time by eval batch.
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* **Drift alerts**: trigger if convergence <0.80 or × appears.
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* **Correlation**: track ΔS vs λ to spot mixed failures.
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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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### 🧭 Explore More
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| Module | Description | Link |
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| ------------------------ | ---------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
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| WFGY Core | WFGY 2.0 engine is live: full symbolic reasoning architecture and math stack | [View →](https://github.com/onestardao/WFGY/tree/main/core/README.md) |
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| Problem Map 1.0 | Initial 16-mode diagnostic and symbolic fix framework | [View →](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md) |
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| Problem Map 2.0 | RAG-focused failure tree, modular fixes, and pipelines | [View →](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rag-architecture-and-recovery.md) |
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| Semantic Clinic Index | Expanded failure catalog: prompt injection, memory bugs, logic drift | [View →](https://github.com/onestardao/WFGY/blob/main/ProblemMap/SemanticClinicIndex.md) |
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| Semantic Blueprint | Layer-based symbolic reasoning & semantic modulations | [View →](https://github.com/onestardao/WFGY/tree/main/SemanticBlueprint/README.md) |
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| Benchmark vs GPT-5 | Stress test GPT-5 with full WFGY reasoning suite | [View →](https://github.com/onestardao/WFGY/tree/main/benchmarks/benchmark-vs-gpt5/README.md) |
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| 🧙♂️ Starter Village 🏡 | New here? Lost in symbols? Click here and let the wizard guide you through | [Start →](https://github.com/onestardao/WFGY/blob/main/StarterVillage/README.md) |
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---
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> 👑 **Early Stargazers: [See the Hall of Fame](https://github.com/onestardao/WFGY/tree/main/stargazers)** —
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> Engineers, hackers, and open source builders who supported WFGY from day one.
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> <img src="https://img.shields.io/github/stars/onestardao/WFGY?style=social" alt="GitHub stars"> ⭐ [WFGY Engine 2.0](https://github.com/onestardao/WFGY/blob/main/core/README.md) is already unlocked. ⭐ Star the repo to help others discover it and unlock more on the [Unlock Board](https://github.com/onestardao/WFGY/blob/main/STAR_UNLOCKS.md).
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<div align="center">
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[](https://github.com/onestardao/WFGY)
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[](https://github.com/onestardao/WFGY/tree/main/OS)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlahBlahBlah)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlotBlotBlot)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlocBlocBloc)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlurBlurBlur)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlowBlowBlow)
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</div>
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