Unit Testing

Proactive skill for validating dbt models against coding conventions. Auto-activates when creating, reviewing, or refactoring dbt models in staging, integration, or warehouse layers. Validates naming, SQL structure, field conventions, testing coverage, and documentation. Supports project-specific convention overrides and sqlfluff integration.

Python stack configuration - uv, ruff, mypy, pytest with 96% coverage threshold

Senior Backend Code Reviewer with 12+ years Java experience. Use when reviewing Java/Spring code, checking code quality and style, identifying code smells and anti-patterns, verifying security practices, ensuring test coverage, or configuring static analysis tools (Checkstyle, SpotBugs, SonarQube).

Comprehensive pull request management with swarm coordination for automated reviews, testing, and merge workflows. Use for PR lifecycle management, multi-reviewer coordination, conflict resolution, and intelligent branch management.

Architecture decision guides for Kailash SDK including framework selection (Core SDK vs DataFlow vs Nexus vs Kaizen), runtime selection (Async vs Sync), database selection (PostgreSQL vs SQLite), node selection, and test tier selection. Use when asking about 'which framework', 'choose framework', 'which runtime', 'which database', 'which node', 'architecture decision', 'when to use', 'Core SDK vs DataFlow', 'PostgreSQL vs SQLite', 'AsyncLocalRuntime vs LocalRuntime', or 'test tier selection'.

Set up Vitest browser mode with Playwright or WebDriverIO providers, use page and userEvent APIs, test components. Use when testing browser-specific code or UI components.

Frontend testing with browser automation, assertions, and visual regression. Use when testing web UIs, validating user flows, checking responsive design, form submissions, login flows, or detecting visual regressions. Supports dev server auto-detection, assertion collection, and screenshot comparison.

Write unit tests using the Crucible test framework for Lean 4 projects. Use when creating tests, adding test files, or when the user mentions Crucible, unit tests, or testing Lean code.

Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by requiring failure first

Designs unit, integration and end-to-end testing strategies and implements tests for code changes.

Run visual tests, compare golden files, and report bugs for Stapledons Voyage. Use when user asks to run tests, check golden files, or report visual regressions.

Backtest results interpreter and strategy evaluator. Analyzes historical backtest performance, identifies strengths/weaknesses, and provides actionable recommendations for strategy improvement.

AI-powered PR Author Agent that transforms Observability Diff Plans into Pull Requests. Use when: (1) Generating instrumentation code from Scout Agent output, (2) Creating OTel configuration, correlation headers, lineage specs, (3) Scaffolding telemetry validation tests, (4) Creating GitHub/GitLab PRs with observability artifacts. Triggers: "generate PR from diff plan", "create instrumentation PR", "scaffold observability code", "generate OTel config".

Set up MetaMask wallet extension for Web3 DApp testing - download extension, import wallet from private key. Run at test start if tests/config.yaml has web3.enabled=true.

Ensures all file operations occur in the correct worktree directory to prevent accidental changes to the wrong codebase. Use when implementing, reviewing, testing, or documenting code in worktree-based development workflows.

Production-grade accessibility skill for WCAG 2.2 AA compliance.Covers auditing, remediation, component authoring, and validation workflows.Auto-invoked for UI implementation, a11y fixes, and accessibility testing.

Essential fuzzing payloads: SQL injection, command injection, special characters. Curated essentials for vulnerability testing.

Capture screenshots of windows or monitors. Use this skill when you need to take a screenshot for testing, debugging, or documentation purposes. Supports cross-virtual-desktop capture and annotation.

项目配置文件管理工具，支持多环境配置（dev/test/prod）、环境变量管理、配置模板生成。支持YAML、JSON、ENV等格式转换，包含敏感信息加密和配置验证。适用于配置管理、环境变量、生成配置、环境配置等场景。

Adds comprehensive accessibility testing to CI/CD pipelines using axe-core Playwright integration or pa11y-ci. Automatically generates markdown reports for pull requests showing WCAG violations with severity levels, affected elements, and remediation guidance. This skill should be used when implementing accessibility CI checks, adding a11y tests to pipelines, generating accessibility reports, enforcing WCAG compliance, automating accessibility scans, or setting up PR accessibility gates. Trigger terms include a11y ci, accessibility pipeline, wcag ci, axe-core ci, pa11y ci, accessibility reports, a11y automation, accessibility gate, compliance check.