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Behave as a Senior QA Engineer covering the complete software testing lifecycle from requirements analysis through test automation and continuous improvement.…

Reddit Ads API - campaigns, targeting, conversions, agentic optimization

shadcn/ui component integration for Inertia Rails React (NOT Next.js): forms, dialogs, tables, toasts, dark mode, command palette, and more. Use when building UI with shadcn/ui components in an Inertia app or adapting shadcn examples from Next.js. NEVER react-hook-form/zod — wire shadcn inputs to Inertia Form via name attribute. Flash toasts require Rails flash_keys initializer config.

ALWAYS use when working with RxJS Observables, operators, and reactive patterns in Angular applications.

Production Python async patterns including asyncio TaskGroup, FastAPI dependency injection and middleware, SQLAlchemy 2.0 async sessions, and database…

Send messages and rich content to Slack channels via webhooks or Bot API. Use Block Kit for formatted announcements, marketing reports, and community updates. Trigger phrases: "post to slack", "slack message", "slack webhook", "slack notification", "slack announcement", "send to slack", "slack marketing", "slack update", "slack channel".

Wrap high-verbosity shell commands with RTK to reduce token consumption. Use when running git log, git diff, cargo test, pytest, or other verbose CLI output…

Use when implementing Disney's 12 animation principles with React Spring's physics-based animations

MongoDB document modeling, aggregation pipeline optimization, sharding strategies, replica set configuration, connection pool management, and indexing…

Build production Rust CLIs with Clap: subcommands, config layering, validation, exit codes, shell completions, and testable command surfaces

Use when working with Canton Network participants, DAML smart contracts, Splice applications, or debugging LF version and package ID issues.

Architect Chrome MV3 extensions using Plasmo, including messaging, storage, and UI surfaces.

General development best practices and common gotchas when working on Biome. Use for avoiding common mistakes, understanding Biome-specific patterns (AST,…

Use when adding CI/CD, creating workflows, auditing GitHub Actions, or fixing action pinning. Creates and audits workflows for SHA pinning and permissions.

Design DDD strategic artifacts including subdomains, bounded contexts, and ubiquitous language for complex business domains.

Configure Angular animations with triggers, transitions, keyframes, and reusable animation functions. Use when working with Angular enter/leave animations, UI transitions, route animations, stagger effects, animation triggers, or when the user asks to animate Angular components.

Turn backend test ambiguity into one practical backend test packet. Use when the user needs API/service/repository/auth-flow coverage design, fixture or seed/reset strategy, container-vs-mock dependency choices, contract/API compatibility checks, or flaky backend-suite stabilization across local and CI. Route org-wide testing policy to `testing-strategies`, API shape decisions to `api-design`, and auth implementation to `authentication-setup`.

AI-powered video captioning — transcribe speech, optimize/translate subtitles, and burn them into video via the stable VideoCaptioner backend. Free ASR and translation included.

Complete guide for asyncio concurrency patterns including event loops, coroutines, tasks, futures, async context managers, and performance optimization

Run accessibility audits on web projects combining automated scanning (axe-core, Lighthouse) with WCAG 2.1 AA compliance mapping, manual check guidance, and structured reporting. Output is configurable: markdown report only, markdown plus machine-readable JSON, or markdown plus issue tracker integration. Use this skill whenever the user mentions "accessibility audit", "a11y audit", "WCAG audit", "accessibility check", "compliance scan", or asks to check a web project for accessibility issues. Also trigger when the user wants to verify WCAG conformance or map findings to a specific standard (CAN-ASC-6.2, EN 301 549, ADA/AODA).