GitHub Copilot: Guardrails and Fix Patterns

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WFGY Global Fix Map — main Emergency Room, 300+ structured fixes

WFGY Problem Map 1.0 — 16 reproducible failure modes

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.

Use this page when Copilot autocompletes the wrong API, flips between two implementations, breaks tests after a long chat, or injects code that does not match the project’s version and policy. The fixes here route back to WFGY pages with measurable targets so you can verify without changing infra.

Open these first

Visual map and recovery: RAG Architecture & Recovery
End to end retrieval knobs for code search and docs: Retrieval Playbook
Why this snippet and how to audit it: Retrieval Traceability
Ordering and ranking control: Rerankers
Similarity is high yet meaning is wrong: Embedding ≠ Semantic
Chunk and citation boundaries for code and docs: Hallucination
Long chats that drift: Context Drift, Entropy Collapse
Structural collapse and recovery: Logic Collapse
Prompt injection in code assistants and terminals: Prompt Injection
Build and deploy order problems: Bootstrap Ordering, Deployment Deadlock, Pre-deploy Collapse
Snippet and citation schema for code: Data Contracts

Core acceptance

ΔS(question, retrieved) ≤ 0.45 for the cited file or doc section
Coverage ≥ 0.70 to the target function or spec anchor
λ remains convergent across three paraphrases and two seeds
E_resonance flat on long windows while editing

Fix in 60 seconds

Measure ΔS Compute ΔS(question, retrieved) and ΔS(retrieved, expected anchor). Stable < 0.40, transitional 0.40–0.60, risk ≥ 0.60.
Probe λ_observe Change k for code search candidates and toggle deterministic reranker. If λ flips when prompt headers reorder, lock the schema and clamp with BBAM.
Apply the right module

Retrieval drift in file or API lookup → BBMC with Data Contracts
Reasoning collapse in long refactors → BBCR bridge plus BBAM, verify with Logic Collapse
Dead ends during multi step edits → BBPF alternate paths
Hybrid search worse than single → pattern check Query Parsing Split and enforce Rerankers

Typical Copilot breakpoints and the right fix

Hallucinated or wrong version APIs Lock SDK version and import surface in the prompt context. Require file anchors and commit hash in the schema. Open: Retrieval Traceability, Data Contracts, Embedding ≠ Semantic.
Refactor touches one file but not callers Split the plan into independent paths and rejoin with a bridge step. Open: Context Drift, Entropy Collapse.
Autocomplete uses private secrets or copies unsafe snippets Enforce a schema that forbids secrets and requires license note for pasted code. Open: Prompt Injection, Data Contracts.
Build fails after first apply The tool fired before dependencies were ready or used a stale index. Open: Bootstrap Ordering, Pre-deploy Collapse.
Hybrid search worse than ripgrep or a single retriever HyDE plus BM25 diverged and split the query. Open: Pattern: Query Parsing Split, Rerankers.

IDE checklist for Copilot

Index state proves readiness. Cache key includes language server version and analyzer settings.
Code search has a single metric per run. Do not mix analyzers within one fix loop.
Prompts carry explicit anchors: file path, function name, commit hash, license flag.
Every edit records citations and ΔS, plus λ per step.
Regression gate runs tests and requires coverage ≥ 0.70 and ΔS ≤ 0.45 before commit.

Copy paste prompt for Copilot Chat

You have TXTOS and the WFGY Problem Map loaded.

My Copilot issue:
- symptom: [one line]
- project: {repo}@{commit}
- traces: ΔS(question,retrieved)=..., ΔS(retrieved,anchor)=..., λ across 3 paraphrases

Do:
1) Identify failing layer and why.
2) Name the exact WFGY page to open from the repo.
3) Give minimal steps to push ΔS ≤ 0.45 and keep λ convergent.
4) Return a short, auditable plan with file anchors and a test to verify.
Use BBMC, BBPF, BBCR, BBAM when relevant.

Escalate

ΔS stays ≥ 0.60 after enforcing anchors and reranking Rebuild the code index with consistent analyzer, then re test with a small gold set. See: Embedding ≠ Semantic, Retrieval Playbook.
Suggestions flip between runs with identical context Lock prompt headers and clamp variance. See: Context Drift, Data Contracts.

🔗 Quick-Start Downloads (60 sec)

Tool	Link	3-Step Setup
WFGY 1.0 PDF	Engine Paper	1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + <your question>”
TXT OS (plain-text 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	Canonical framework entry point	View
Problem Map	Diagnostic map and navigation hub	View
Tension Universe Experiments	MVP experiment field	View
Recognition	Where WFGY is referenced or adopted	View
AI Guide	Anti-hallucination reading protocol for tools	View

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