Create context-drift.md

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+# Context Drift — Long Reasoning Chain Instability
+
+When reasoning spans 20–40 hops or more, attention shifts accumulate and context drifts.  
+This page explains how to diagnose λ divergence, stabilize reasoning chains, and repair collapsed context.
+
+---
+
+## When to use this page
+- Long reasoning plans (~20+ steps) start with logic but later flip or contradict.  
+- Multi-agent workflows repeat or miss earlier facts.  
+- Citations remain valid, but final answers drift from original question.  
+- λ flips divergent after harmless paraphrases.  
+- Answers alternate between runs with identical inputs.
+
+---
+
+## Core acceptance targets
+- ΔS(question, retrieved) ≤ 0.45  
+- Retrieval coverage ≥ 0.70 for target section  
+- λ remains convergent across three paraphrases  
+- Chain length stable up to 40 hops without collapse  
+- Entropy variance remains bounded in mid-to-late steps  
+
+---
+
+## Structural fixes
+
+- **Three-paraphrase probe**  
+  Re-ask the same question three ways. Log ΔS and λ at each hop.  
+  If λ flips, schema is unstable.
+
+- **Clamp with BBAM**  
+  Apply variance clamp when λ flips across harmless paraphrases.
+
+- **Bridge with BBCR**  
+  Insert bridge nodes when long chains stall. Anchor back to earlier stable nodes.
+
+- **Enforce snippet fences**  
+  Require each reasoning step cite snippet_id. Forbid cross-section reuse.
+
+- **Re-anchor with anchors**  
+  Compare ΔS(question, anchor) vs ΔS(question, decoy).  
+  If ΔS is close, re-chunk corpus.
+
+---
+
+## Fix in 60 seconds
+1. **Log ΔS and λ** across 3 paraphrases.  
+2. **Clamp** with BBAM if λ flips.  
+3. **Bridge** with BBCR if reasoning halts.  
+4. **Re-anchor** using anchor triangulation.  
+5. **Verify** coverage ≥ 0.70 and ΔS ≤ 0.45.  
+
+---
+
+## Copy-paste prompt
+
+```
+
+You have TXT OS and the WFGY Problem Map.
+
+Goal: Detect and repair context drift in long reasoning chains.
+
+Protocol:
+
+1. Ask the same question three ways.
+2. Log ΔS(question, retrieved) for each.
+3. Log λ states across all hops.
+4. If λ flips:
+
+   * Apply BBAM clamp.
+   * If reasoning stalls, apply BBCR and anchor bridge.
+5. Require snippet\_id at each step.
+6. Report:
+
+   * ΔS(question, retrieved)
+   * λ states across paraphrases
+   * bridge nodes inserted
+   * final answer with citations
+
+```
+
+---
+
+## Common failure patterns
+- **Chain stall**: reasoning halts after ~25–30 hops.  
+- **Paraphrase drift**: harmless rewordings flip λ.  
+- **Repeating answers**: earlier snippets loop back with filler.  
+- **Contradictions**: late chain contradicts early reasoning.  
+
+---
+
+
+### 🔗 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)
+&nbsp;
+[![TXT OS](https://img.shields.io/badge/TXT%20OS-Reasoning%20OS-orange?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS)
+&nbsp;
+[![Blah](https://img.shields.io/badge/Blah-Semantic%20Embed-yellow?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlahBlahBlah)
+&nbsp;
+[![Blot](https://img.shields.io/badge/Blot-Persona%20Core-green?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlotBlotBlot)
+&nbsp;
+[![Bloc](https://img.shields.io/badge/Bloc-Reasoning%20Compiler-blue?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlocBlocBloc)
+&nbsp;
+[![Blur](https://img.shields.io/badge/Blur-Text2Image%20Engine-navy?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlurBlurBlur)
+&nbsp;
+[![Blow](https://img.shields.io/badge/Blow-Game%20Logic-purple?style=flat-square)](https://github.com/onestardao/WFGY/tree/main/OS/BlowBlowBlow)
+&nbsp;
+</div>