AyCode.Core/.github/skills/protocol-audit/SKILL.md

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---
name: protocol-audit
description: Audit the 8 AyCode/Mango `.github/copilot-instructions.md` files for protocol consistency. Two file types are recognized — **primary** (5 files with full numbered AI AGENT CORE PROTOCOL: AyCode.Core, AyCode.Blazor, Libraries, FruitBank, FruitBankHybridApp) and **inherit** (3 files that reference AyCode.Core's protocol: Mango.Nop.Core, Nop.Plugin.Misc.AIPlugin, Mango.FruitBank). The skill applies the appropriate invariant set per type. Use when the user asks to "audit protocol", "check instruction consistency", "verify repo rules", "check cross-repo drift", or after modifying the AI AGENT CORE PROTOCOL in any repo. Produces a per-file × invariant table with concrete patch suggestions; does NOT modify any file without explicit consent.
compatibility: Designed for Claude Code and GitHub Copilot (VS). Requires read access to the 8 paths listed in `references/REPOS.md`.
metadata:
author: Fullepi
version: "2.0"
---
# Protocol Audit
Verify that all 8 known `.github/copilot-instructions.md` files share a consistent AI AGENT CORE PROTOCOL ecosystem. **Primary** files contain the full numbered protocol; **inherit** files reference AyCode.Core's protocol without duplicating the numbered rules.
## Before you start
This skill READS files and REPORTS findings. It MUST NOT modify any file. Patch suggestions are surfaced as diffs for the user to review and approve. Follow Rule #5 (or equivalent) from the active repo's `copilot-instructions.md`.
## Step 1 — Load the repo list
Read `references/REPOS.md` (relative to this SKILL.md). Extract:
- **Primary files table** (rows 1-5) with absolute paths
- **Inherit files table** (rows 6-8) with absolute paths
- **Expected own-dep-repos** tables (one per file type)
- **Known issues** section (pre-flagged expected failures)
## Step 2 — Read each instruction file
For each entry in both tables, read `<abs-path>\.github\copilot-instructions.md` once. Record the full text keyed by the logical name and **file type** (primary / inherit). If a file is empty (0 bytes), record as `EMPTY` and still run the size-sensitive invariants (expected: all fail).
Do NOT re-read a file that is already in your LOADED_DOCS list (per Rule #3 of the active repo's protocol).
## Step 3 — Run invariant checks by file type
Each invariant yields `PASS` / `FAIL` / `N/A` (not-applicable-to-this-type) and, on FAIL, an evidence snippet.
### 3A — Common invariants (applied to ALL 8 files)
**C1. `@repo` block has all 4 required fields**
Inside the `@repo { ... }` block, the keys `name`, `type`, `layer`, `own-dep-repos` must all be present.
**C2. `own-dep-repos` paths resolve to existing directories**
For each `"<dep-name>: <relative-path>"` entry, resolve `<repo-root>/<relative-path>` and check the directory exists.
**C3. `own-dep-repos` matches REPOS.md expectations**
The dep set must equal the expected set in REPOS.md's relevant "Expected own-dep-repos" table.
### 3B — Primary-only invariants (applied to rows 1-5 in REPOS.md)
**P1. Rule numbering is contiguous 1..N**
Extract all `^\d+\. \*\*` lines. Numbers must form `1, 2, 3, ..., N` with no gaps and no duplicates.
**P2. Rule count is ≥ 5**
The AI AGENT CORE PROTOCOL has five core rules. Sections after Rule #5 (Conventions etc.) may add more; the first 5 are mandatory.
**P3. Rule #1 uses count+delta format**
Substring `N files (+K this turn` present in Rule #1. Old substring `comma-separated list of .md files currently in your context` must be ABSENT.
**P4. Rule #2 contains `CROSS-REPO HARD-GATE`**
**P5. Rule #2 contains `PER-QUESTION DOC-FIRST`**
**P6. Rule #3 is the NO-RE-READ rule**
Header matches `STRICT NO-RE-READ POLICY (ANTI-LOOP)`.
**P7. Rule #3 contains the "in context" definition**
Substring `lossy compressions` present.
**P8. Rule #4 contains auto-detection triggers**
Substring `Auto-detection triggers` present AND substring `LOADED_DOCS: NONE` present.
**P9. Rule #5 scope is broad**
Substring `any file (code, documentation, configuration, memory, or otherwise)` present.
Negative: substring `delete code/files without` must be ABSENT (old wording).
**P10. `strictly maintain rule 3` reference exists**
Substring `strictly maintain rule 3` present. Old references (`rule 15`, `rule 18`, `rule 19`, `rule 20`, `rule 21`) must be absent.
### 3C — Inherit-only invariants (applied to rows 6-8 in REPOS.md)
**I1. References AyCode.Core's protocol**
Substring `follows the AI Agent Core Protocol defined in AyCode.Core` present.
**I2. Does NOT duplicate numbered Rules #1-5**
Must NOT contain the header `🛑 AI AGENT CORE PROTOCOL (CRITICAL ENFORCEMENT)` (that belongs to primary files only). If the file has `^\d+\. \*\*MANDATORY OUTPUT PREFIX` or similar, flag as FAIL — the inherit file has leaked primary content.
**I3. Has a link to the Decision Log**
Substring `LLM_PROTOCOL_DECISIONS.md` present (via the Protocol History section — see X2 below).
### 3D — Cross-cutting invariants (applied to 4 non-Core primary + 3 inherit = 7 files)
These invariants apply to files OTHER than AyCode.Core itself — AyCode.Core does not need to reference itself.
**X1. `## Shared Agent Skills` section present**
Header `## Shared Agent Skills` must appear. Both `docs-discovery` and `protocol-audit` bullets must be listed under it.
**X2. `## Protocol History` section present**
Header `## Protocol History` must appear AND it must reference `AyCode.Core/.github/LLM_PROTOCOL_DECISIONS.md`.
### Invariant applicability matrix
| Invariant set | AyCode.Core | 4× non-Core primary | 3× inherit |
|---------------|-------------|---------------------|------------|
| Common (C1-C3) | ✓ | ✓ | ✓ |
| Primary-only (P1-P10) | ✓ | ✓ | N/A (skip) |
| Inherit-only (I1-I3) | N/A (skip) | N/A (skip) | ✓ |
| Cross-cutting (X1-X2) | N/A (skip) | ✓ | ✓ |
Use `N/A` in the report cell, not `PASS`, for skipped invariants — so it's obvious the check wasn't applicable.
## Step 4 — Produce the report
Emit a markdown report with three sections:
### 4A — Summary table
One row per file, grouped by type. Columns: the invariant IDs from Step 3 (C1, C2, C3, P1..P10, I1..I3, X1, X2). Cell values: `PASS` / `FAIL` / `N/A` / `MISSING` / `UNREADABLE` / `EMPTY`.
Use short column headers (C1, P1, P2, I1, X1, etc.) — 19 columns is dense but fits in a readable table when values are 2-4 chars.
### 4B — Failure details
For every FAIL, list:
- File name + type (primary / inherit)
- Invariant ID (e.g., P3, I1, X2)
- Evidence — the offending line, missing substring, or unresolved path
- Suggested patch — a concrete `old_string` / `new_string` pair (or "create this section" scaffold) the user can review
### 4C — Known-issues reconciliation
Cross-reference any FAIL with the "Known issues" section in REPOS.md. If a failure is already tracked as a known issue, mark it `FAIL (known)` so the user can distinguish fresh regressions from pre-existing TODOs.
## Step 5 — DO NOT apply patches
End the report with:
> All checks complete. N failures detected (M known, N-M new). To apply any of the suggested patches, reply with "apply patches P3, I1" (or similar IDs). No files have been modified.
Wait for **explicit** user consent before using any edit / write tool. Per Rule #5: phrases like "we are just thinking" / "what do you think" do NOT constitute approval.
## Tool usage
This skill is tool-neutral. Map these capabilities to the host agent's tools (per the active repo's `CLAUDE.md`):
- Reading files: `Read` (Claude Code), `get_file` (Copilot), or equivalent
- Globbing / directory existence: `Glob`, `file_search`, `ls`, `Test-Path`
- Applying patches (only after consent): `Edit`, `replace_string_in_file`
## Edge cases
- **Repo path missing from disk:** Skip that file, record `MISSING` in every invariant cell, continue with the others.
- **File read fails:** Record `UNREADABLE`, continue.
- **File is 0 bytes:** Record `EMPTY`; every content-sensitive invariant returns FAIL. Still run C1-C3 (they'll fail too, which is correct signal).
- **Multiple `@repo` blocks in one file:** Audit the first one; flag the duplicate as its own finding.
- **Rule order differs** (e.g., Rules #3 and #4 swapped in a primary file): invariants P6 and P8 fail independently — do not try to auto-reorder.
- **Unfinished mid-edit:** If a file has obviously truncated content (cut off mid-sentence), record `CORRUPT` and stop that file's audit.
- **Ambiguous file type** (has both `AI AGENT CORE PROTOCOL` header AND `follows the AI Agent Core Protocol defined in AyCode.Core` blockquote): flag as FAIL on I2 and P1 — file has structural identity crisis, user must resolve.
- **New file not in REPOS.md:** Do NOT audit it automatically. Report it separately as `"Unregistered .github/copilot-instructions.md found at <path> — add to REPOS.md to include in future audits."`