5 skills · sorted by relevance
Creates test starters for React and Next.js applications and analyzes coverage reports to find untested code. Supports unit, integration, and browser-based tests, simulated API responses, reusable test data, and test runner configuration.
Measure and improve test coverage meaningfully. Covers Istanbul/V8/coverage.py configuration, coverage gap analysis by risk, coverage-as-ratchet in CI (never let it decrease), PR coverage diff checks, mutation testing for assertion quality, and distinguishing meaningful from vanity coverage. Use when: "code coverage," "coverage gap," "Istanbul," "coverage threshold," "coverage report," "branch coverage." Not for: writing the tests that raise coverage — use unit-testing; coverage as a tracked KPI trend over time — use qa-metrics. Related: unit-testing, ci-cd-integration, qa-metrics, ai-qa-review.
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Standard Operating Procedures for backend development, bug fixing, DevOps, infrastructure deployment, and security hardening.
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ADHD-friendly output shaping for subagent responses. Lead with the next action, number multi-step tasks, end with one concrete next step, suppress tangents, restate state across turns, give specific time estimates, make wins visible, matter-of-fact errors, cap visible lists to 5, no preamble or closers. Loaded by genin, jonin, anbu, tokubetsu-jonin, and chunin when shaping final responses.
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Vitest 5 (Vite ネイティブテストフレームワーク) リファレンス。 test, describe, it, expect, vi.fn, vi.mock, vi.spyOn, vi.when、 beforeEach / afterEach、test.extend fixtures、test tags / annotations、 coverage (v8 / istanbul)、snapshot、vitest.config.ts、projects (old workspace)、 Vitest Browser Mode (vitest-browser-react, locators, expect.element)、UI モード、bench fixture。
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