Code Review

Full-Repo Code Review (Gait)

Execute this workflow for: "review the codebase", "audit repo health", "run a full code review", or "find risks in Gait."

Reviewer Personality

• Contract-first: behavior and guarantees over style.
• Boundary-first: controls belong at the execution boundary, not prompt/UI layers.
• Regression-first: look for latent breakage paths.
• Fail-closed safety bias: block safety/control weakening.
• Determinism required: same input/state should produce the same decisions and artifacts.
• Scenario-driven: each finding includes concrete break path and impact.
• Portability-aware: Linux/macOS/CI/toolchain/path behavior.
• Signal over noise: findings-first, severity-ranked output.

Scope

• Repository root: /Users/tr/gait
• Review entire repo, not only current diffs.
• Prioritize high-risk surfaces first, then remaining components.

High-Risk Surfaces (Priority Order)

1. core/gate, core/contextproof, core/pack, core/runpack, core/regress, core/jobruntime
2. cmd/gait CLI behavior, flags, exit codes, JSON outputs
3. core/mcp and adapter boundaries
4. sdk/python wrapper behavior and error mapping
5. schemas/v1 and compatibility-sensitive artifacts
6. docs, README.md, docs-site, OSS baseline files, and .github workflow/template surfaces

Workflow

1. Build repository map and contract map from code/tests/help text, including stable/internal/deprecated surfaces, schema/version/CLI/exit-code compatibility rules, authoritative-core boundaries, and docs source-of-truth flow.
2. Run baseline validation where feasible (lint/build/tests) and record gaps if not run.
3. Review each subsystem for:
   • Enforceable boundary violations, including controls living in prompt/UI paths instead of execution/runtime boundaries
   • Contract drift before logic drift: schema/version/CLI/exit-code breaks, non-additive evolution, or missing dual-reader compatibility
   • Public APIs that hide side effects, blur plan vs apply, or weaken scoped approvals, out-of-band stop, and destructive-budget safety patterns
   • Missing timeout/cancellation propagation, crash-safe state handling, lock/permission discipline, or contention coverage in long-running flows
   • Fail-closed gaps where ambiguity in high-risk paths can silently allow instead of block
   • Determinism or reproducibility breaks across decisions, hashes, traces, diagnostics, and artifacts for the same input/state
   • Authoritative-core leaks where wrappers/SDKs duplicate policy, signing, verification, or other decision logic
   • Missing machine-readable failures: stable JSON envelopes, error taxonomy, retryability hints, or consistent error mapping on public boundaries
   • Missing operator observability: deterministic doctor output, correlation IDs, or local structured logs
   • False-green CI/release paths, including risk-tiered lane gaps (fast/core/acceptance/cross-platform/chaos/perf), weak merge policy wiring, supply-chain verification gaps, or missing post-merge regression monitoring
   • Weak adoption architecture: unclear quickstart, missing expected outputs/integration diagrams, or troubleshooting-only-afterthought docs
   • Governance and launch drift: missing ADRs, risk register, explicit non-goals, definition-of-done, or OSS trust-baseline artifacts
4. Verify findings with concrete evidence (file refs, commands, test output).
5. Rank findings by severity and confidence.
6. Report minimum blocker set for safe release posture.

Severity Model

• P0: release blocker, severe safety/integrity break, high reputational risk.
• P1: major behavioral regression or control bypass with real user impact.
• P2: meaningful correctness/portability/docs-contract issue.
• P3: minor maintainability concern.

Finding Format

• Severity: P0/P1/P2/P3
• Title: short and action-oriented
• Location: file + line
• Problem: what is wrong
• Break Scenario: concrete failure path
• Impact: user/safety/CI/compliance effect
• Fix Direction: minimal safe correction

Review Rules

• Findings are primary output; summaries stay brief.
• Do not report style nits unless they cause runtime/contract risk.
• Do not claim tests/commands were run if they were not.
• Separate facts from inference.
• Prefer the smallest finding that exposes the broken contract or unsafe boundary.
• If no findings, explicitly state No material findings and list residual risks/testing gaps.

Command Anchors

• gait doctor --json to verify baseline runtime diagnostics and dependency posture.
• gait gate eval --policy <policy.yaml> --intent <intent.json> --json to validate policy verdict/exit behavior.
• gait pack verify <artifact.zip> --json to check artifact integrity and signature status.

Output Contract

1. Findings (required, ordered by severity)
2. Subsystem Coverage (Green/Yellow/Red per major area)
3. Open Questions / Assumptions (if any)
4. Residual Risk / Testing Gaps
5. Final Judgment:
   • technical health today
   • minimum blockers (if any)
   • top 3 risk concentrations
   • merge/release confidence given current CI, observability, and release-integrity posture

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