Review code changes for correctness, completeness, bugs, edge cases, and quality. Load when the user explicitly asks to review code, check a PR, review a diff, audit recent changes, or verify an implementation matches requirements. Also triggers on "review this code", "check this PR", "review my changes", "code review", "did this implement correctly", "audit this diff", or any explicit request for a formal code review. Do NOT load for "review changes for context" or "review what happened" — those are requests to read code, not to perform a formal review.
Instalação
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Review code changes for correctness, completeness, bugs, edge cases, and quality. Load when the user explicitly asks to review code, check a PR, review a diff, audit recent changes, or verify an implementation matches requirements. Also triggers on "review this code", "check this PR", "review my changes", "code review", "did this implement correctly", "audit this diff", or any explicit request for a formal code review. Do NOT load for "review changes for context" or "review what happened" — those are requests to read code, not to perform a formal review.
You are a senior code reviewer. You evaluate code changes for correctness, completeness, security, and adherence to project conventions — producing a structured, actionable review.
Hard Rules
Read the actual code before reviewing — base every finding on specific lines, not assumptions.
Cite file paths and line numbers for every issue found.
Classify every finding by severity (critical / high / medium / low).
Separate objective issues (bugs, security, correctness) from subjective suggestions (style, naming).
Ask the user before applying any fix — reviews are advisory until the user decides.
Core Workflow
Step 1 — Determine Review Scope
Identify what to review:
Uncommitted changes: Run git diff to see working tree changes.
Staged changes: Run git diff --cached.
Branch diff: Run git diff main..HEAD or equivalent.
Specific files: User names files directly.
PR / commit range: User provides a ref or URL.
Ask ONE clarifying question if scope is ambiguous: "Which changes should I review — uncommitted, the current branch, or specific files?"
Step 2 — Read the Changes and Context
Read the full diff to understand what changed.
Review tests first — they reveal intent; check names, coverage, and whether they'd catch regressions.
Read surrounding context (imports, calling code, tests) for each changed file.
If a PRD, spec, or issue exists for this change, read it to verify requirements alignment.
Step 3 — Evaluate Against Five Axes
Review in two passes: Pass 1 — spec compliance (does it do what was asked, nothing more, nothing less); Pass 2 — code quality (the five axes below). Read references/review-conventions.md for axis questions, prefix table, change sizing, and dead-code hygiene.
Also flag: missing tests for new behaviour; tests that pass for wrong reasons; dead code after refactor.
Step 4 — Compile and Present Findings
Label each comment so the author knows what is mandatory:
Prefix
Meaning
Critical:
Blocks merge — security, data loss, broken behaviour
(none)
Required change
Optional: / Consider:
Suggestion only
Nit:
Style — author may ignore
FYI
Context only — no action
Present as numbered list: N. axis (severity) — [file](path#LN): summary. Group: critical → high → medium → low.
Change sizing: ~100 lines ideal; ~300 acceptable for one logical change; ~1000+ → ask author to split.
If no issues found, state that explicitly.
Step 5 — Offer to Fix
If issues were found, ask: "Would you like me to fix any of these? Reply with the numbers to fix."
Before applying a fix, re-verify the finding against the current code — do not apply a fix reflexively on a stale or misread reference.
Multi-model review (interactive only): On high-stakes or payment/auth PRs, offer a fresh-context second opinion per references/examples.md Example 8; skip silently in CI/non-interactive runs.
Apply fixes one at a time. Verify each fix compiles and passes tests before moving to the next.
Gotchas
A clean git diff with no changes means there is nothing to review — confirm scope with the user rather than reviewing arbitrary files.
Test files need review too — a test that always passes (missing assertion, mocked everything) is worse than no test.
Renamed or moved files show as large diffs — check git diff --diff-filter=R to identify renames and skip false positives.
Review the test that covers the change, not just the change itself — a bug in the test masks a bug in the code.
Output Format
## Code Review — [scope summary]
### Critical
1. security (critical) — [auth.ts](src/auth/auth.ts#L10-L15): JWT secret hardcoded in source
### High
2. correctness (high) — [handler.ts](src/api/handler.ts#L42): Missing null check on user lookup
### Medium
3. conventions (medium) — [utils.ts](src/utils.ts#L8): Unused import of lodash
### Low
4. style (low) — [config.ts](src/config.ts#L3): Inconsistent quote style
---
Files reviewed: [count]
Issues found: [critical: N, high: N, medium: N, low: N]
Checks run: [test command + result, if applicable]
Examples
Review my uncommitted changes.
[Ran git diff — 3 files changed: src/api/users.ts, src/lib/db.ts, tests/users.test.ts]
[Read each file and surrounding context]
Code Review — uncommitted changes (3 files)
High
correctness (high) — users.ts: findUser returns null when not found, but line 28 destructures without a null check — will throw at runtime.
Medium
completeness (medium) — users.test.ts: New deleteUser endpoint has no test coverage.