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215 lines
10 KiB
Markdown
215 lines
10 KiB
Markdown
# Retrieval Playbook
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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 **Retrieval**.
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> To reorient, go back here:
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>
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> - [**Retrieval** — information access and knowledge lookup](./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 practical, store-agnostic playbook to stabilize retrieval quality. Use this page to route symptoms to the right structural fix, apply measurable targets, and keep read/write parity across pipelines.
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**When to use**
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- High similarity yet wrong meaning
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- Missing or unstable citations
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- Hybrid retrieval performs worse than a single retriever
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- Results flip across runs or paraphrases
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- New deploy returns empty or partial context
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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 for the intended section
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- λ remains convergent across 3 paraphrases and 2 seeds
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- E_resonance stays flat on long windows
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Helpers:
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- ΔS probes → [deltaS_probes.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/deltaS_probes.md)
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- Eval recipes → [retrieval_eval_recipes.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/retrieval_eval_recipes.md)
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---
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## 60-second fix path
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1) **Probe**
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Run ΔS(question, retrieved) at k = 5, 10, 20. Log λ for each paraphrase.
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Tool: [deltaS_probes.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/deltaS_probes.md)
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2) **Lock schema**
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Enforce cite-then-explain, and require `snippet_id, section_id, source_url, offsets, tokens`.
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Spec: [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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3) **Repair the failing layer**
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- Wrong meaning with high similarity → see **Metric and analyzer parity** below
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- Missing or shaky citations → install **Traceability schema**
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- Hybrid worse than single → run **Hybrid weighting** and **Query parsing split**
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- Flips across runs → clamp with **Rerankers** and parity checks
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4) **Verify**
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Coverage ≥ 0.70 on 3 paraphrases; λ convergent on 2 seeds; ΔS ≤ 0.45.
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---
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## Root-cause map → exact fixes
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### 1) Metric and analyzer parity
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Symptoms: high similarity yet wrong meaning, language or casing skew, mixed punctuation behavior.
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Actions
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- Align dense and sparse analyzers. Keep lowercasing, accent fold, token boundaries consistent.
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- Normalize vectors at write and read. Keep pooling identical.
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- Rebuild with explicit metric and dimension logged in traces.
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Open
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- Wrong-meaning hits → [Embedding ≠ Semantic](https://github.com/onestardao/WFGY/blob/main/ProblemMap/embedding-vs-semantic.md)
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- Chunk window parity → [chunk_alignment.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/chunk_alignment.md)
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- Store-agnostic fences → [store_agnostic_guardrails.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/store_agnostic_guardrails.md)
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### 2) Traceability and citation locks
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Symptoms: answer looks right but citations are missing, wrong section id, or not reproducible.
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Actions
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- Require `snippet_id, section_id, source_url, offsets, tokens` in every hop.
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- Forbid cross-section reuse unless explicitly whitelisted.
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- Enforce cite-then-explain in prompts.
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Open
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- Trace schema and audits → **coming in this folder** [retrieval-traceability.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/retrieval-traceability.md)
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- Contracts → [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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### 3) Hybrid retrieval that underperforms
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Symptoms: BM25 + dense gives worse order than either alone; relevant docs appear far down; order flips.
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Actions
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- Separate query parsing from retrieval. Fix the parse.
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- Weight dense and sparse explicitly. Add a deterministic tiebreak.
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- Add a rerank step with a fixed cross-encoder and seed.
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Open
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- Hybrid knobs and recipes → **coming in this folder** [hybrid_retrieval.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/hybrid_retrieval.md)
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- Query parsing split → **coming in this folder** [query_parsing_split.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/query_parsing_split.md)
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- Rerankers and ordering control → [rerankers.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/rerankers.md)
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### 4) Fragmentation or contamination
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Symptoms: facts exist but never show; duplicates or stale shards; inconsistent analyzers by batch.
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Actions
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- Rebuild a clean index with a single write path.
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- Stamp `index_hash`, log embedding model id and normalization.
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- Run a small gold set to verify recall.
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Open
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- Fragmentation pattern → [Vectorstore Fragmentation](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_vectorstore_fragmentation.md)
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- Hallucination and chunk drift → [Hallucination](https://github.com/onestardao/WFGY/blob/main/ProblemMap/hallucination.md)
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---
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## Guardrails to install in any pipeline
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**Write path**
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- One tokenizer and analyzer spec. Log it.
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- One embedding model and pooling policy. Log it.
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- Chunk window and overlap recorded in metadata.
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- Field schema: `doc_id, section_id, snippet_id, source_url, offsets, tokens, index_hash, embed_model, analyzer`.
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**Read path**
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- Same analyzer, same normalization.
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- k sweep at 5, 10, 20 for ΔS probes.
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- Deterministic tiebreak on `(score, section_id, snippet_id)`.
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**Prompt contract**
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- Cite first, then explain.
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- Enforce JSON with citations and λ state.
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- Forbid cross-section reuse unless allowed.
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Specs
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- DeltaS probes → [deltaS_probes.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/deltaS_probes.md)
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- Contracts → [Data Contracts](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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---
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## Copy-paste prompt block for the reasoning step
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```txt
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You have TXTOS and the WFGY Problem Map loaded.
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Retrieval inputs:
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- question: "{Q}"
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- k sweep results: {k5:..., k10:..., k20:...}
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- citations: [{snippet_id, section_id, source_url, offsets, tokens}, ...]
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Do:
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1) Validate cite-then-explain. If any citation is missing or mismatched, return the failing field and stop.
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2) Report ΔS(question, retrieved) and λ state. If ΔS ≥ 0.60 or λ divergent, return the minimal structural fix:
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- metric/analyzer parity
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- hybrid weighting and rerank
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- traceability schema
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3) Output JSON:
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{ "answer": "...", "citations": [...], "ΔS": 0.xx, "λ": "<state>", "next_fix": "<page to open>" }
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Keep it auditable and short.
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````
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---
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## Evaluation loop
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* Gold questions per section: 3 to 5
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* For each question: run 3 paraphrases, 2 seeds
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* Metrics to log: coverage, ΔS, λ, recall\@k, MAP\@k, citation match rate
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* Recipes → [retrieval\_eval\_recipes.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Retrieval/retrieval_eval_recipes.md)
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---
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## Store-specific adapters
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If a symptom points to a store quirk or feature gap, jump here:
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* Vector DBs index → [Vector DBs & Stores](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/VectorDBs_and_Stores/README.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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<!-- 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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