Perform a code review.

Arguments: $ARGUMENTS (optional scope)

• commit: Review only staged files for commit

• pr [number]: Review all files changed in the current PR (or specific PR number)

• all: Review the entire codebase

• If no argument provided:

• If in a PR branch: defaults to 'pr'

• Otherwise: defaults to 'commit'

Phase 1: Scope Determination

• Determine scope based on $ARGUMENTS

• If reviewing a PR, fetch PR details and linked issue with gh pr view and gh issue view

Phase 2: Review

• Run available linting tools for detected languages

• Check against project standards from CLAUDE.md (80 char limit, whitespace, naming)

• Review for: correctness, performance, security, maintainability, test coverage

• If PR: check alignment with target issue requirements and CI/CD status with gh pr checks

Phase 3: Synthesis

• Organise findings by priority:

• Critical issues (must fix)

• Important improvements (should fix)

• Suggestions (consider fixing)

• Positive observations

For each issue, provide location, description, suggested fix, and rationale.