Implement a focused code change. Use this skill as the wrapper for any implementation work so the Maverick workflow report captures what was done and so the agent applies the project's coding standards before editing. Intended to be invoked once per task from inside a do-issue-* or do-epic phase,...
Write or update tests for a code change. Operates in two modes: `unit` (module-scoped, fast, deterministic) and `integration` (crosses module / service / database boundaries). Intended to be invoked once per testable change from inside a do-issue-* or do-epic phase. Mode is required.