WFGY/ProblemMap/GlobalFixMap/MemoryLongContext/data-contracts.md

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# Data Contracts — Enforcing Snippet Schema & Payload Integrity
<details>
<summary><strong>🧭 Quick Return to Map</strong></summary>
<br>
> You are in a sub-page of **MemoryLongContext**.
> To reorient, go back here:
>
> - [**MemoryLongContext** — extended context windows and memory retention](./README.md)
> - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](../README.md)
> - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](../../README.md)
>
> Think of this page as a desk within a ward.
> If you need the full triage and all prescriptions, return to the Emergency Room lobby.
</details>
RAG and long-context reasoning collapse quickly if payloads drift.
**Data Contracts** define the minimal schema that every retrieval, citation, and reasoning step must satisfy to remain auditable and reproducible.
---
## When to use
- Citations appear but fields like `snippet_id` or `section_id` are missing.
- JSON payloads change shape across runs.
- Downstream agents receive free-text with no schema lock.
- Long-context sessions silently lose attribution or overwrite fields.
- Multi-agent handoffs mutate keys or flatten nested fields.
---
## Root causes
- **Loose schemas**: free-form JSON without validation.
- **Field drift**: different casing, missing offsets, or swapped names.
- **Silent truncation**: long answers cut JSON blocks.
- **Inconsistent contracts**: each component defines its own schema.
- **Opaque citations**: only plain text without structured trace.
---
## Core acceptance targets
- Every snippet payload must include:
`{snippet_id, section_id, start_line, end_line, source_url, offsets, tokens}`
- Coverage ≥ 0.70 for the target section.
- ΔS(question, retrieved) ≤ 0.45.
- λ convergent across 3 paraphrases.
- Contracts must validate under the same schema across sessions.
---
## Structural fixes
- **Schema lock**
Define a JSON schema for citations and enforce validation at ingestion.
- **Contract inheritance**
Pass the same schema downstream to every agent and reasoning step.
- **Casing & normalization**
Enforce consistent field names and Unicode normalization.
- **Fail fast**
If schema validation fails, block reasoning and return fix instructions.
---
## Fix in 60 seconds
1. Define contract:
```json
{
"snippet_id": "string",
"section_id": "string",
"start_line": "int",
"end_line": "int",
"source_url": "string",
"offsets": [int],
"tokens": [string]
}
````
2. Validate every retrieval step against the contract.
3. Store the validated payload in the trace log.
4. Require cite-then-answer. Reject orphan claims.
5. Report ΔS and λ for each reasoning step.
---
## Copy-paste prompt
```
You have TXT OS and the WFGY Problem Map.
Task: enforce Data Contracts for retrieval and citation.
Protocol:
1. Validate that each snippet includes {snippet_id, section_id, start_line, end_line, source_url}.
2. Reject orphans: if missing fields, stop and return fix tip.
3. Require cite-then-answer.
4. Log {ΔS(question,retrieved), λ_state, mem_rev, mem_hash}.
5. Answer only with citations that pass contract validation.
```
---
## Common failure signals
* Citations alternate across runs → contract not enforced.
* JSON mode fails in provider → schema too loose.
* Free-text answers with no snippet\_id → orphan claims.
* Multi-agent pipelines mutate payloads → inconsistent contracts.
---
### 🔗 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) | 1⃣ Download · 2⃣ Upload to your LLM · 3⃣ Ask “Answer using WFGY + \<your question>” |
| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt) | 1⃣ Download · 2⃣ Paste into any LLM chat · 3⃣ Type “hello world” — OS boots instantly |
---
<!-- WFGY_FOOTER_START -->
### Explore More
| Module | Description | Link |
| --- | --- | --- |
| WFGY Core | Canonical framework entry point | [View](https://github.com/onestardao/WFGY/tree/main/core/README.md) |
| Problem Map | Diagnostic map and navigation hub | [View](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md) |
| Tension Universe Experiments | MVP experiment field | [View](https://github.com/onestardao/WFGY/tree/main/TensionUniverse/Experiments) |
| Recognition | Where WFGY is referenced or adopted | [View](https://github.com/onestardao/WFGY/blob/main/recognition/README.md) |
| AI Guide | Anti-hallucination reading protocol for tools | [View](https://github.com/onestardao/WFGY/blob/main/AI_GUIDE.md) |
> If this repository helps, starring it improves discovery for other builders.
> [![GitHub Repo stars](https://img.shields.io/github/stars/onestardao/WFGY?style=social)](https://github.com/onestardao/WFGY)
<!-- WFGY_FOOTER_END -->