Verification — R93 B3 Document Dual Error-Envelope Pattern in s17
Round: R93 debug-sweep
Branch: feature/r93-b3-s17-dual-envelope
β task: 1a267787-b864-4f5f-a7dd-669a6268dbe7
§1. Gates
| Gate | Command | Result |
|---|---|---|
| Build | npm run build |
✅ exit 0 |
| Lint | npm run lint |
✅ exit 0 |
| Test (run 1) | npm test |
⚠️ 3490 / 3492 (2 floating documented flakes — same baseline-flake set we’ve seen across B1, B2) |
| Test (run 2) | npm test |
✅ 3492 / 3492 — all green |
Doc-only change → test count exactly equals baseline (no new tests).
§2. Invariant check
| ID | Verified by |
|---|---|
| I-1 | docs/spec/s17-mcp-surface.md §6 now has §6.1, §6.2, §6.3, §6.4 subsections. |
| I-2 | §6.3 contains attribution table for 8 tool families covering all 27 tools. |
| I-3 | §6.2 Pattern B paragraph cites src/tools/merkle.ts:392-405. |
| I-4 | §6.1 has the {ok:true, data:{...}} example; §6.2 has both Pattern A and Pattern B JSON examples. |
| I-5 | git diff origin/main..HEAD -- src/ returns empty. No code touched. |
| I-6 | Test runs preserve baseline 3492 (no new tests; existing tests unchanged). |
§3. Diff summary
$ git diff --stat origin/main..HEAD
docs/audits/r93-b3-s17-dual-envelope-audit.md | (new ~140 lines)
docs/contracts/r93-b3-s17-dual-envelope-contract.md | (new ~35 lines)
docs/packets/r93-b3-s17-dual-envelope-packet.md | (new ~100 lines)
docs/verification/r93-b3-s17-dual-envelope-verification.md | (new, this)
docs/spec/s17-mcp-surface.md | +47 -6
Source change: zero. Spec change: §6 restructured from one error-envelope block into four subsections with explicit Pattern A vs Pattern B distinction + per-family attribution.
§4. Result
PASS. Doc-only slice. Ready to commit, push, PR. Writeback to follow.