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165 lines
8.6 KiB
Markdown
165 lines
8.6 KiB
Markdown
# Script Mixing — Guardrails and Fix Pattern
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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 **LanguageLocale**.
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> To reorient, go back here:
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>
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> - [**LanguageLocale** — localization, regional settings, and context adaptation](./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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Stabilize retrieval and reasoning when a single query or document spans multiple writing systems. Typical cases include CJK plus Latin, Arabic plus Latin, Indic plus Latin, or mixed fullwidth and halfwidth forms.
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## What this page is
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- A focused path to detect and repair cross-script confusion in retrieval and ranking.
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- Field designs and checks that do not require infra changes.
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- Exact jumps to Problem Map pages with measurable targets.
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## When to use
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- A single user query contains two scripts and recall drops.
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- Citations look correct by eye but come from the wrong section when scripts differ.
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- BM25 or lexical search beats embeddings on mixed-script inputs.
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- Coverage looks fine in one language but collapses when users code-switch.
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- Fullwidth punctuation or presentation forms break token boundaries.
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## Open these first
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- Visual map and recovery: [RAG Architecture & Recovery](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rag-architecture-and-recovery.md)
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- End to end retrieval knobs: [Retrieval Playbook](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-playbook.md)
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- Traceability and snippet schema: [Retrieval Traceability](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md) • [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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- Tokenizer mismatch checks: [tokenizer_mismatch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/tokenizer_mismatch.md)
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- Locale drift and normalization: [locale_drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/locale_drift.md)
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- Reranking recipes: [rerankers.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rerankers.md)
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## Core acceptance
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- ΔS(question, retrieved) ≤ 0.45
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- Coverage of target section ≥ 0.70
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- λ stays convergent across three paraphrases and two seeds
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- E_resonance flat on long windows
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---
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## Typical symptoms → exact fix
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- One query spans two scripts and nearest neighbors look irrelevant
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→ Normalize and split by script, then fuse scores. See [locale_drift.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/locale_drift.md), [retrieval-playbook.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-playbook.md)
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- High similarity yet wrong meaning for mixed script names or brands
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→ Add a romanized and a native field. Lock citation schema. See [embedding-vs-semantic.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/embedding-vs-semantic.md), [data-contracts.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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- BM25 wins but flips order across runs
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→ Deterministic two-stage: lexical per script then cross-encoder rerank. See [rerankers.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rerankers.md)
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- Fullwidth punctuation or Arabic presentation forms break tokens
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→ Unicode fold to NFC or NFKC, halfwidth normalization, ZWJ handling. See [tokenizer_mismatch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/LanguageLocale/tokenizer_mismatch.md)
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- HyDE plus BM25 splits the query and hurts hybrid performance
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→ Lock query plan and weights. See [pattern_query_parsing_split.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_query_parsing_split.md)
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---
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## 60-second checklist
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1) **Detect scripts**
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Count Unicode scripts in query and top snippets. If more than one, set `mixed_script=true`.
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2) **Normalize safely**
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Apply NFC or NFKC. Convert fullwidth to halfwidth. Strip presentation forms where safe. Keep a raw field.
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3) **Dual-field design**
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For each text unit store:
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- `text_raw`
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- `text_norm` with case fold and width fold
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- Optional `text_romanized` for CJK or Indic when users type Latin queries
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4) **Parallel retrieval**
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Run retrieval on `text_norm` and `text_romanized` when `mixed_script=true`. Merge with stable weights, then rerank with a cross-encoder.
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5) **Schema lock**
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Enforce cite-then-explain. Require `snippet_id`, `section_id`, `offsets`, `tokens`. See [retrieval-traceability.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md)
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6) **Verify**
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Three paraphrases. ΔS ≤ 0.45 and λ convergent on two seeds.
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---
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## Minimal field plan you can copy
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- Index three views per document section: `raw`, `norm`, `romanized`
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- Populate `romanized` only when the language has a common transliteration.
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- For lexical stores, select analyzers that respect script boundaries. For Elasticsearch specifics see [elasticsearch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/VectorDBs_and_Stores/elasticsearch.md).
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- For vector stores, embed `norm` and keep a shallow rerank over `raw` to guard against over-aggressive folding.
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---
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## Query cookbook
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- If query is Latin plus CJK, run two subqueries: Latin over `romanized`, CJK over `norm`. Fuse by learned weight or fixed 0.6:0.4.
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- If query contains Arabic with diacritics, run a folded pass and a diacritic-aware pass. Keep offsets separate to avoid citation drift.
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- For Thai or Khmer where token boundaries are implicit, add a shallow BM25 over syllable or dictionary segments, then rerank the top 200 with a cross-encoder.
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---
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## Copy-paste prompt
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```
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I uploaded TXT OS and the WFGY Problem Map.
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My bug: script mixing in one query.
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* symptom: citations jump to the wrong section when users mix scripts
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* traces: ΔS(question,retrieved)=..., ΔS(retrieved,anchor)=..., λ states across 3 paraphrases
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Tell me:
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1. the failing layer and why,
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2. the exact WFGY page to open from this repo,
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3. the minimal steps to push ΔS ≤ 0.45 and keep λ convergent,
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4. a reproducible test to verify the fix.
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Use BBMC, BBCR, BBPF, BBAM when relevant.
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```
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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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| Layer | Page | What it’s for |
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| --- | --- | --- |
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| ⭐ Proof | [WFGY Recognition Map](/recognition/README.md) | External citations, integrations, and ecosystem proof |
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| ⚙️ Engine | [WFGY 1.0](/legacy/README.md) | Original PDF tension engine and early logic sketch (legacy reference) |
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| ⚙️ Engine | [WFGY 2.0](/core/README.md) | Production tension kernel for RAG and agent systems |
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| ⚙️ Engine | [WFGY 3.0](/TensionUniverse/EventHorizon/README.md) | TXT based Singularity tension engine (131 S class set) |
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| 🗺️ Map | [Problem Map 1.0](/ProblemMap/README.md) | Flagship 16 problem RAG failure taxonomy and fix map |
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| 🗺️ Map | [Problem Map 2.0](/ProblemMap/wfgy-rag-16-problem-map-global-debug-card.md) | Global Debug Card for RAG and agent pipeline diagnosis |
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| 🗺️ Map | [Problem Map 3.0](/ProblemMap/wfgy-ai-problem-map-troubleshooting-atlas.md) | Global AI troubleshooting atlas and failure pattern map |
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| 🧰 App | [TXT OS](/OS/README.md) | .txt semantic OS with fast bootstrap |
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| 🧰 App | [Blah Blah Blah](/OS/BlahBlahBlah/README.md) | Abstract and paradox Q&A built on TXT OS |
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| 🧰 App | [Blur Blur Blur](/OS/BlurBlurBlur/README.md) | Text to image generation with semantic control |
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| 🏡 Onboarding | [Starter Village](/StarterVillage/README.md) | Guided entry point for new users |
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If this repository helped, starring it improves discovery so more builders can find the docs and tools.
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[](https://github.com/onestardao/WFGY)
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<!-- WFGY_FOOTER_END -->
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