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202 lines
11 KiB
Markdown
202 lines
11 KiB
Markdown
# Hallucination Re-entry: Guardrails and Fix Pattern
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A “re-entry” is when a model repeats a previously corrected false claim later in the run or in a new turn.
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This page localizes re-entry causes and gives a minimal, testable repair plan.
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---
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## Symptoms
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| Symptom | What you see |
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|---|---|
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| Corrected once, comes back later | Old claim resurfaces after a few steps or a new tool call |
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| Cite-then-explain violated | Answer asserts conclusion before citing the corrected snippet |
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| Reruns flip | Same prompt order, different run re-asserts the wrong claim |
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| Memory relapse | Cross-turn memory re-injects the debunked statement |
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| Hybrid retrieval drift | HyDE + BM25 changes top-k ordering and re-pulls the wrong chunk |
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---
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## Acceptance targets
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- ΔS(question, retrieved) ≤ 0.45
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- Coverage ≥ 0.70 to the target section
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- λ convergent across 3 paraphrases and 2 seeds
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- Re-entry rate = 0 on a 20-case regression set
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---
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## Structural fixes (Problem Map)
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- Snippet and citation locks
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→ [retrieval-traceability.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md)
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→ [data-contracts.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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→ Citation-first recipe: [citation_first.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/PromptAssembly/citation_first.md)
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- Ordering control and hybrid stability
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→ [rerankers.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rerankers.md)
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→ [pattern_query_parsing_split.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_query_parsing_split.md)
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- Memory isolation and fences
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→ [memory-coherence.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/memory-coherence.md)
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→ [pattern_memory_desync.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_memory_desync.md)
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→ [memory_fences_and_state_keys.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/PromptAssembly/memory_fences_and_state_keys.md)
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- Entropy and chain control
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→ [context-drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/context-drift.md)
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→ [entropy-collapse.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/entropy-collapse.md)
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- Pattern deep dive
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→ [pattern_hallucination_reentry.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_hallucination_reentry.md)
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---
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## Why re-entry happens
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1) **No hard contract for citations**
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Model can answer without binding to `snippet_id` or `section_id`.
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2) **Prompt header drift**
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Header reorder flips λ state and reopens earlier branches.
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3) **Hybrid order instability**
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HyDE or BM25 changes top-k; the older wrong chunk returns to rank 1.
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4) **Memory namespace collision**
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Corrected state is not isolated; prior summary re-injects the error.
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5) **Reranker variance**
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Non-deterministic tie-breakers reorder near-duplicates.
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---
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## Fix in 60 seconds
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1. **Lock cite-then-explain**
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Enforce a snippet contract in every reasoning step.
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See [data-contracts.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md) and [retrieval-traceability.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md).
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2. **Deterministic reranking**
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Freeze analyzer and tie-break rules. Probe k ∈ {5,10,20}.
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See [rerankers.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rerankers.md).
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3. **Memory fences**
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Split namespaces: `facts/`, `debunks/`, `plans/`. Write debunk hashes into `debunks/`.
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See [memory_fences_and_state_keys.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/PromptAssembly/memory_fences_and_state_keys.md).
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4. **Clamp variance with BBAM**
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If λ flips across paraphrases, apply BBAM and re-run with fixed headers.
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5. **Bridge with BBCR**
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Summarize the correction into a single anchored statement and require future turns to import it before reasoning.
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---
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## Minimal schema addendum
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Add these fields to your snippet payload and logs:
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```json
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{
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"snippet_id": "S123",
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"section_id": "CH2.3",
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"source_url": "https://...",
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"offsets": [221, 348],
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"tokens": 256,
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"debunk_hash": "sha256(<claim_text + snippet_id>)"
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}
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````
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The LLM must include `debunk_hash` in its final JSON if it overturns a claim. On future turns, reject answers that assert a claim whose hash is already present in `debunks/`.
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---
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## Verification
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* Run 20 paraphrases on the same case set.
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* Require: ΔS(question, retrieved) ≤ 0.45 and λ convergent on two seeds.
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* Zero tolerance for re-entry across all 20 cases.
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* If any case fails, inspect reranker tie-break and memory fence writes.
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---
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## Copy-paste prompt
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```
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You have TXT OS and the WFGY Problem Map loaded.
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We corrected a false claim earlier, but it reappeared later.
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Inputs:
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- question: "{q}"
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- current snippets: [{snippet_id, section_id, source_url}]
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- prior debunks: [{debunk_hash, claim_text, snippet_id}]
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- ΔS and λ traces across 3 paraphrases
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Do:
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1) Identify which layer caused re-entry (schema, retrieval, rerank, memory, reasoning).
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2) Apply the minimal fix referencing:
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retrieval-traceability, data-contracts, rerankers, memory_fences_and_state_keys.
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3) Return a JSON plan with:
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{ "citations": [...], "answer": "...", "ΔS": 0.xx, "λ_state": "...",
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"debunk_hashes_used": [...], "next_fix": "..." }
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4) Refuse to output an answer if citations are missing or conflict with debunks.
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```
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---
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## When to escalate
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* Re-entry persists after fences and deterministic rerank
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→ re-check hybrid split: [pattern\_query\_parsing\_split.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_query_parsing_split.md)
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* Cross-turn relapse in long dialogs
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→ audit joins and entropy: [context-drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/context-drift.md), [entropy-collapse.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/entropy-collapse.md)
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* Agent handoff resurrects old claims
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→ isolate memory and roles: [memory-coherence.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/memory-coherence.md)
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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)** — <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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