Calvin

Diagnose stuck or failed prompt-language flows from runtime state without mutating project files.

This skill should be used when the user asks to 'check if ready to deploy', 'pre-deploy check', 'verify before deploying', 'deployment readiness', 'is it ready to ship', or wants pre-deployment verification.

This skill should be used when the user asks to 'fix the tests', 'make tests pass', 'tests are failing', 'fix and test', 'green the tests', or wants to iteratively fix failing tests until they pass.

This skill should be used when the user asks to 'validate a flow', 'check my flow', 'lint this flow', 'is this flow correct', 'flow errors', 'flow warnings', or wants to analyze a prompt-language flow for issues before executing it.

This skill should be used when the user asks to 'run QA', 'quality audit', 'test the website', 'run E2E tests', 'lighthouse audit', 'check accessibility', 'visual regression test', 'run Playwright tests', 'quality gate check', or wants comprehensive quality verification of a web project. Use case-by-case when generated sites need validation beyond basic checks.

This skill should be used when the user asks to 'refactor this', 'clean up this code', 'make this cleaner', 'safe refactor', 'restructure this', or wants to refactor code with continuous test verification.

This skill should be used when the user asks to 'do TDD', 'test-driven development', 'red green refactor', 'write a failing test first', or wants to implement a feature using test-driven development.

This skill should be used when the user asks to 'write a flow', 'create a flow', 'design a flow', 'make a flow for', 'I need a flow', or wants to create a prompt-language flow for a task. Decides whether a flow is needed at all — most tasks don't need one.