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Use when working with tdd workflows tdd cycle
Passed 17 of 23 test cases with the skill, and 6 of 23 without it.
and 15 more in the full report
11 fixed6 passed either way6 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
In Phase 2 of our microservice build, we need to generate initial failing unit tests covering edge cases, error conditions, and happy paths. Which subagent must execute this task and under what explicit constraint regarding production code?
| Checked | Without skill | With skill |
|---|---|---|
| Dispatches subagent_type unit-testing::test-automator to write initial failing unit tests. | Missed | Passed |
| Explicitly forbids writing production code during initial test writing. | Passed | Passed |
The instructions your model reads when the skill loads.
resources/implementation-playbook.md.Execute a comprehensive Test-Driven Development (TDD) workflow with strict red-green-refactor discipline:
[Extended thinking: This workflow enforces test-first development through coordinated agent orchestration. Each phase of the TDD cycle is strictly enforced with fail-first verification, incremental implementation, and continuous refactoring. The workflow supports both single test and test suite approaches with configurable coverage thresholds.]
test cases passed, vs 6 / 23 without
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