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vasilyu1983

vasilyu1983

126 Skills published on GitHub.

qa-agent-testing

QA harness for LLM agents: scenario suites, flake controls, tool sandboxing, LLM-as-judge scoring, and regression protocols.

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qa-api-testing-contracts

API contract testing across REST, GraphQL, and gRPC. Use when you need schema validation, breaking-change detection, and CI quality gates.

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qa-debugging

Systematic debugging for crashes, regressions, flakes, and production bugs. Use when diagnosing stack traces, logs, traces, or profiling data.

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qa-docs-coverage

Audit and enforce doc quality. Use when checking coverage, freshness, runbook validity, or cleaning stale/duplicate markdown after LLM edits.

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qa-observability

Implement OpenTelemetry logs/metrics/traces, SLI/SLO gates, burn-rate alerts, and APM integrations. Use when adding or validating observability.

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qa-refactoring

Safe refactoring with behavior preservation. Use when reducing technical debt, applying strangler migrations, or tightening CI guardrails.

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qa-resilience

Design and test distributed-system resilience. Use when adding retries, circuit breakers, chaos experiments, or SLO-based reliability gates.

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qa-testing-android

Android testing with Espresso, UIAutomator, and Compose Testing. Use when building layered test strategy, device matrix, or CI integration.

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qa-testing-ios

iOS testing with XCTest/XCUITest/Swift Testing via xcodebuild/simctl. Use when choosing destinations, controlling flakes, or parsing xcresult.

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qa-testing-mobile

Mobile QA for iOS and Android. Use when planning automation frameworks, device matrix, flake control, or CI/CD release gates.

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qa-testing-nunit

Design and refactor C# test suites with NUnit for API, component, and integration scenarios. Use when creating or fixing NUnit fixtures, structuring test projects, setting up WireMock and Testcontainers dependencies, and reducing flaky behavior in CI or local runs. For general backend service implementation use $software-csharp-backend, for pipeline target changes use $ops-nuke-cicd, and for logging-migration rewrites use $dev-structured-logs.

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qa-testing-playwright

E2E web testing with Playwright. Use when writing tests, debugging flakes, or setting up CI with selectors, sharding, and network mocking.

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qa-testing-strategy

Risk-based test strategy for software delivery. Use when defining coverage, setting CI gates, managing flaky tests, or establishing release criteria.

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software-architecture-design

Designs system structure across monolith/microservices/serverless. Use when structuring systems, scaling, decomposing monoliths, or choosing patterns.

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software-backend

Production-grade backend APIs for Node.js, Python, Go, Rust, and C# with PostgreSQL. Use when building REST/GraphQL/tRPC services or auth.

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software-clean-code-standard

Cross-language clean code standard with stable CC-* rule IDs. Use when writing/reviewing code, defining team standards, or citing lint findings.

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software-code-review

Systematic code review patterns and checklists. Use when reviewing PRs or diffs for correctness, security, readability, and maintainability.

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software-crypto-web3

Secure blockchain development for EVM, Solana, Cosmos, and TON. Use when building smart contracts, auditing, or integrating on-chain backends.

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software-csharp-backend

Apply practical C# and .NET backend engineering standards for service implementation, refactoring, and backend-focused code reviews. Use when building or reviewing backend services for language best practices, project and layer boundaries, data-access patterns, resilience controls, observability, security baselines, and common backend anti-pattern detection. For deep NUnit fixture design use $qa-testing-nunit, for NUKE pipeline target work use $ops-nuke-cicd, and for deterministic logging rewrites use $dev-structured-logs.

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software-frontend

Production-grade frontend for Next.js, Vue, Angular, and Svelte. Use when building UI, fixing hydration errors, or setting up a new web project.

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software-localisation

Production-grade i18n/l10n for React, Vue, Angular, and Next.js with ICU format and RTL support. Use when setting up or debugging localisation.

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software-mobile

Production-grade iOS, Android, and cross-platform mobile dev. Use when building apps, handling auth/push, or preparing App Store releases.

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software-payments

Production-grade payment integration for Stripe, Paddle, Adyen, and more. Use when implementing checkout, subscriptions, webhooks, or billing.

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software-security-appsec

AppSec patterns aligned with OWASP Top 10:2025 and NIST SSDF. Use when implementing auth, input validation, crypto, or reviewing security posture.

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software-ui-ux-design

Designs and audits UI/UX with WCAG 2.2 accessibility. Use when designing flows, running heuristic reviews, or defining design systems.

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software-ux-research

Covers user research methods and research ops. Use when running interviews, usability tests, surveys, or A/B tests to de-risk product decisions.

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