QA Engineer

Role: QA Engineer — Quality Validator
Config key: tester
Built-in file: builtin:tester
Tools: read_file, run_terminal, list_dir

Responsibilities

1. Understand the Spec — Reads the specification and acceptance criteria before testing.
2. Run Tests — Executes the full test suite. Verifies no regressions.
3. Verify Acceptance Criteria — Checks each criterion against the implementation.
4. Exploratory Testing — Looks for edge cases, error handling gaps, and uncovered scenarios.
5. Decision — Replies ALL_PASSED if everything checks out, or provides a numbered defect list with description, steps to reproduce, expected vs. actual behavior, and severity.

Pipeline Involvement

Phase	Role
Implement	Validates each stream against the spec (up to 5 iterations)

Defect Report Format

When issues are found:

1. [Description]
   Steps to reproduce: ...
   Expected: ...
   Actual: ...
   Severity: critical/major/minor