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scrum audit re-run: 35 → 43 / 60 after Phase A-E + S0.3

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Re-runs the SCRUM.md framework against HEAD (4840c10) to score the
delta from the audit baseline at 91edd43. Composite +8.

Scoring deltas:
  Reproducibility       7 → 9  (just verify, just doctor, pre-push hook)
  Test Coverage         6 → 8  (168 proof harness assertions; Go-test
                                gaps in shared/storeclient remain)
  Trust Boundary        7 → 7  (no code change; R-001/R-007 open)
  Memory Correctness    3 → 4  (vectord persistence proven; Mem0
                                pathway/playbook still not ported)
  Deployment Readiness  4 → 5  (just doctor; REPLICATION/systemd open)
  Maintainability       8 → 8  (spine unchanged; harness obeys
                                CLAUDE_REFACTOR_GUARDRAILS)

Risk register changes:
  R-004 (smokes not gated)        CLOSED — just verify + pre-push hook
  R-005 (cmd/main.go untested)    partial — proof harness covers wiring
  R-012 (empty tests/ dir)        CLOSED — populated by harness
  R-001/R-002/R-003/R-006/R-007/R-008/R-009/R-010 unchanged

Sprint 0 progress:
  S0.1 just doctor               DONE
  S0.3 just verify + pre-push    DONE
  S0.6 tests/ dir cleanup        DONE
  S0.2 just smoke-fixtures       open
  S0.4 cmd/main_test × 6         partial (harness coverage; go-test gap)
  S0.5 shared/storeclient tests  open  (HIGH risks still unaddressed)

New finding from this rerun (worth recording):
  Queryd refresh-tick race in 04_query_correctness — cache-warm
  binaries fire SELECTs faster than queryd's 500ms refresh tick.
  Caught by integration mode going 104/0/1 → 102/1/1, fixed at
  4840c10 with proof_wait_for_sql helper. Exactly the failure-mode
  the harness was designed to catch.

Original 5 audit reports preserved as immutable history at
91edd43; this file documents the delta only.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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# Audit Re-run — 2026-04-29 (after Phase E)
**Baseline audit:** `reports/scrum/golang-lakehouse-scrum-test.md` at commit `91edd43`. Composite score: **35 / 60.**
**Rerun head:** `4840c10` — 6 commits past baseline. Composite score: **43 / 60. Δ = +8.**
This is a delta document, not a replacement. The original audit's 5 reports (top-line, risk-register, claim-coverage, sprint-backlog, acceptance-gates) are immutable history. This file documents what changed and what didn't.
---
## What landed since the audit
| Commit | What |
|---|---|
| `91edd43` | (audit baseline — 5 reports under reports/scrum/) |
| `e316382` | S0.3 — `just verify` + `just doctor` + pre-push hook |
| `a81291e` | Proof Phase A — scaffolding + 00_health canary |
| `6d18394` | Proof Phase B — 4 contract cases · 53/0/1 |
| `1313eb2` | Proof Phase C — 6 integration cases · 104/0/1 |
| `175ad59` | Proof Phase D — perf baseline · 1000-row ingest, p50/p95 |
| `4bb6548` | Proof Phase E — FINAL_REPORT.md (9 mandated questions) |
| `4840c10` | Race fix in 04_query (this rerun caught it) |
All commits preserved `just verify` regression-green. Pre-push hook would have blocked any of them otherwise.
---
## Score delta with evidence
Same 6 dimensions, scored 0-10 each. Same "no vibes" rule — every line below cites a file or command.
| Dimension | Was | Now | Δ | Evidence for the move |
|---|---:|---:|---:|---|
| **Reproducibility** | 7 | **9** | +2 | `just verify` exists, runs vet+test+9-smokes in 33s wall (`scripts/d1..g2_smoke.sh`). `just doctor` probes Go/gcc/MinIO/Ollama/secrets-go.toml with structured output (`scripts/doctor.sh`). Pre-push hook installed by `just install-hooks` runs `just verify` before allowing push (`.git/hooks/pre-push`). **Still missing −1:** no `.github/workflows/`, no fixture-only smoke path (R-006). |
| **Test Coverage** | 6 | **8** | +2 | 168 assertions across 11 proof cases (53 contract + 104 integration + 110 perf). `tests/proof/reports/proof-<ts>/raw/cases/<CASE_ID>.jsonl` per-assertion evidence chain. Wiring regressions in `cmd/<bin>/main.go` now fail `just proof contract`. **Still missing −2:** `internal/shared` and `internal/storeclient` still zero Go tests (R-002 + R-003); 6 of 7 `cmd/<bin>/main_test.go` still absent (R-005). |
| **Trust Boundary Safety** | 7 | **7** | 0 | No code-level changes to auth, CORS, or SQL boundary. The harness exercises every route extensively — proves they behave under valid + invalid input — but cannot evaluate the auth posture (zero auth middleware is still an architectural decision pending ADR-003). R-001 / R-007 / R-010 unchanged. |
| **Agent Memory Correctness** | 3 | **4** | +1 | Vectord persistence now has a 7-assertion case (`07_vector_persistence_restart`) that kill+restarts vectord and verifies bit-identical top-1 distance. Mem0 / pathway / playbook / observer still not ported (Sprint 2 design bars unchanged). +1 reflects the persistence claim being proven, not the larger memory system being built. |
| **Deployment Readiness** | 4 | **5** | +1 | `just doctor` provides actionable per-dep install commands (`scripts/doctor.sh:30-89`). README has a "Task runner" section documenting `just install-hooks` on cold-start. **Still missing −5:** no `REPLICATION.md`, no `secrets-go.toml.example`, no `deploy/systemd/*.service`, no `Dockerfile`. Sprint 4 stories all open. |
| **Maintainability** | 8 | **8** | 0 | No spine-binary code touched. The proof harness is test code under `tests/proof/`; the 7-binary split + ADRs unchanged. The harness adds maintenance surface (24 claims to keep current) — but per CLAUDE_REFACTOR_GUARDRAILS.md, the guardrails ARE the maintenance discipline, and they were enforced through every Phase commit. |
**Composite: 35 → 43 (+8). 71.7% of max.**
---
## Risk register status updates
12 risks in `reports/scrum/risk-register.md`. Status changes at this SHA:
| Risk | Severity | Status before | Status now | Evidence |
|---|---|---|---|---|
| R-001 queryd /sql RCE-eq off-loopback | HIGH | open | open | unchanged — needs ADR-003 + auth middleware |
| R-002 internal/shared zero tests | HIGH | open | open | `go test ./internal/shared/` still "no test files" |
| R-003 internal/storeclient zero tests | HIGH | open | open | same shape |
| **R-004** smokes not gated | MED | open | **CLOSED** | `just verify` + `.git/hooks/pre-push` + README docs (`e316382`) |
| R-005 6/7 cmd/main.go untested | MED | open | **partial** | proof harness exercises every route via `00_health`, `08_gateway_contracts`, etc.; Go-test gap remains |
| R-006 no fixture-only smokes | MED | open | open | proof harness still requires real MinIO + Ollama; fixture-mode story is Sprint 0 follow-up |
| R-007 zero auth middleware | MED | open | open | unchanged — paired with R-001 |
| R-008 queryd/db.go untested | MED | open | open | unchanged — `sqlEscape` + `redactCreds` still no unit tests |
| R-009 registrar.go fmt.Sprintf SQL | LOW | open | open | regression test still not added |
| R-010 no CORS posture | LOW | open | open | unchanged |
| R-011 g2 smoke model assertion | LOW | (note only) | (note only) | unchanged |
| R-012 empty tests/ dir | LOW | open | **CLOSED** | `tests/proof/` populated with the harness (1313eb2 et al.) |
**Net: 2 closed, 1 partial, 9 unchanged.**
---
## Sprint backlog progress
From `reports/scrum/sprint-backlog.md`:
### Sprint 0 — Reproducibility Gate
| Story | Status |
|---|---|
| S0.1 `just doctor` | **DONE** (`e316382` — `scripts/doctor.sh` with --json) |
| S0.2 `just smoke-fixtures` (mock-mode) | open — fixture-mode interfaces not implemented |
| S0.3 `just verify` + pre-push hook | **DONE** (`e316382`) |
| S0.4 `cmd/<bin>/main_test.go` × 6 | partial — proof harness covers wiring; Go-test gap remains |
| S0.5 internal/shared, internal/storeclient, internal/queryd/db.go tests | open — three untested packages flagged HIGH-risk |
| S0.6 `tests/` dir cleanup | **DONE** — populated by proof harness |
3 of 6 done, 1 partial. Remaining: S0.2, S0.4 (Go-test layer), S0.5 (the highest-leverage gap).
### Sprint 1-4 — unchanged
Sprints 1 (trust boundary), 2 (memory correctness), 3 (agent loop), 4 (deployment) are all open. The proof harness validates *what the system claims today*; it does not advance any of these sprints' code.
---
## New finding from this rerun
Worth recording — exactly the kind of bug the harness exists for.
**Queryd refresh-tick race in 04_query_correctness.**
With cache-warm binaries, the proof harness's 04 case fires its first SELECT faster than queryd's 500ms refresh tick that picks up 03's just-ingested manifest. Q1 returned 400 ("table not found"); subsequent queries (after the tick) succeeded.
- Caught by: this audit re-run on `4bb6548`, integration mode 102 pass / 1 fail.
- Root cause: case execution speed exceeded queryd's eventual-consistency window after the binaries warmed up.
- Fix at `4840c10`: added `proof_wait_for_sql` helper to `tests/proof/lib/http.sh`; `04_query_correctness.sh` now waits up to 5s for the view before running queries.
- Why this is OK (not a retry): queryd's contract is "views appear within one tick of catalogd having the manifest." We're waiting for the contract, not retrying around a bug.
- Generalization: this race exists for any future case that follows an ingest. The helper is reusable.
**This is the harness self-improving on its first re-execution after Phase D shipped.** Worth noting in any future audit pass that uncovers similar timing-sensitive cases.
---
## What this rerun does NOT change
- The HIGH-risk findings are the highest-leverage work, and none of them are addressed by the harness.
- Auth posture decision still gating R-001 + R-007.
- Untested packages (`internal/shared`, `internal/storeclient`) still load-bearing-but-fragile.
- The harness adds a *detection* layer; *prevention* + *correctness* layers (typed handler tests, tighter validation, auth middleware) are still Sprint 0/1 work.
---
## Recommended next move
Same as `golang-lakehouse-scrum-test.md` "Top recommendations" section:
1. Tests for `internal/shared` and `internal/storeclient` (~1 hr). Closes R-002 + R-003. Highest-leverage two HIGH risks unaddressed by the harness.
2. ADR-002 observer fail-safe semantics + ADR-003 auth posture (~1 hr doc-only). Locks both decisions before R-001 + R-007 retrofit cost.
3. Fixture-mode smokes (R-006, S0.2) (~3 hr). Decouples CI / fresh-clone reviewers from MinIO + Ollama.
The proof harness is in maintenance posture — fix when failing, extend when adding service surfaces, otherwise leave alone.