Create metrics_and_logging.md

2026-04-30 20:49:49 +00:00 · 2025-08-29 13:18:22 +08:00 · 2025-08-29 13:18:22 +08:00 · cc0d562ada
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+# Eval Observability — Metrics and Logging
+
+A baseline schema and checklist for logging semantic metrics (ΔS, λ, coverage, E_resonance) during live runs.  
+Use this page to enforce consistent telemetry so that offline eval and online observability align.
+
+---
+
+## Why log metrics?
+
+- **Drift detection**: High ΔS or divergent λ states catch retrieval/logic errors early.  
+- **Comparability**: Same schema across providers, stores, and orchestration layers.  
+- **Debug loops**: Logged traces accelerate reproduction and diagnosis.  
+- **Regression guards**: Simple thresholds protect pipelines before release.
+
+---
+
+## Core metrics to capture
+
+| Metric | Definition | Thresholds |
+|--------|------------|------------|
+| ΔS(question, retrieved) | Semantic distance between query and retrieved snippet | Stable ≤ 0.45, Transitional 0.45–0.60, Risk ≥ 0.60 |
+| Coverage | Fraction of gold/target section retrieved | ≥ 0.70 |
+| λ_observe | State of reasoning flow (→ convergent, ← divergent, <> transitional, × collapse) | Must stay convergent across 3 paraphrases |
+| E_resonance | Long-window entropy of reasoning steps | Should remain flat without spikes |
+
+---
+
+## Logging schema (JSON example)
+
+```json
+{
+  "trace_id": "uuid",
+  "timestamp": "2025-08-29T12:34:56Z",
+  "question": "...",
+  "retrieved": [
+    {
+      "snippet_id": "s1",
+      "section": "intro",
+      "source": "docA",
+      "offsets": [120, 160],
+      "ΔS": 0.42
+    }
+  ],
+  "ΔS_overall": 0.44,
+  "coverage": 0.72,
+  "λ_state": "→",
+  "E_resonance": 0.03,
+  "index_hash": "abc123",
+  "dedupe_key": "sha256(...)" 
+}
+````
+
+---
+
+## Quick probes
+
+* **ΔS probe**: Recompute ΔS on each retrieval call. Alert if ≥ 0.60.
+* **λ probe**: Run three paraphrases per eval batch, log λ\_state sequence.
+* **Coverage probe**: Compare retrieved sections against gold or expected anchors.
+* **E\_resonance probe**: Smooth entropy over 50–100 steps, alert if spike > 2× baseline.
+
+---
+
+## Storage tips
+
+* Write logs to append-only store (e.g., KV or time-series DB).
+* Deduplicate with `dedupe_key = sha256(question + index_hash + snippet_id)`.
+* Keep 30–90 days rolling window for regression analysis.
+
+---
+
+### 🔗 Quick-Start Downloads (60 sec)
+
+| Tool                       | Link                                                                                                                                       | 3-Step Setup                                                                             |
+| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
+| **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>”   |
+| **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 |
+
+---
+
+### 🧭 Explore More
+
+| Module                   | Description                                                                  | Link                                                                                               |
+| ------------------------ | ---------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
+| 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)                              |
+| Problem Map 1.0          | Initial 16-mode diagnostic and symbolic fix framework                        | [View →](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md)                        |
+| 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) |
+| Semantic Clinic Index    | Expanded failure catalog: prompt injection, memory bugs, logic drift         | [View →](https://github.com/onestardao/WFGY/blob/main/ProblemMap/SemanticClinicIndex.md)           |
+| Semantic Blueprint       | Layer-based symbolic reasoning & semantic modulations                        | [View →](https://github.com/onestardao/WFGY/tree/main/SemanticBlueprint/README.md)                 |
+| 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)      |
+| 🧙‍♂️ 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)                   |
+
+---
+
+> 👑 **Early Stargazers: [See the Hall of Fame](https://github.com/onestardao/WFGY/tree/main/stargazers)** —
+> Engineers, hackers, and open source builders who supported WFGY from day one.
+
+> <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).
+
+<div align="center">
+
+[![WFGY Main](https://img.shields.io/badge/WFGY-Main-red?style=flat-square)](https://github.com/onestardao/WFGY)
+ 
+[![TXT OS](https://img.shields.io/badge/TXT%20OS-Reasoning%20OS-orange?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS)
+ 
+[![Blah](https://img.shields.io/badge/Blah-Semantic%20Embed-yellow?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlahBlahBlah)
+ 
+[![Blot](https://img.shields.io/badge/Blot-Persona%20Core-green?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlotBlotBlot)
+ 
+[![Bloc](https://img.shields.io/badge/Bloc-Reasoning%20Compiler-blue?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlocBlocBloc)
+ 
+[![Blur](https://img.shields.io/badge/Blur-Text2Image%20Engine-navy?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlurBlurBlur)
+ 
+[![Blow](https://img.shields.io/badge/Blow-Game%20Logic-purple?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlowBlowBlow)
+ 
+
+</div>