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gstack: Headless Browser for QA Testing
Testing
Fast headless browser for QA testing and site dogfooding. Navigate pages, take screenshots, inspect elements, and capture bug evidence.
QA Test and Fix Web App Bugs
Testing
Systematically test a web app, fix bugs found, and verify each fix. Produces a quality report with before/after scores.
API Testing with Playwright
Testing
Write tests for REST and GraphQL APIs using Playwright's built-in API testing features. Helps validate responses, mock endpoints, and integrate API tests into end-to-end flows.
Verify BulkActionBar
Testing
Verify BulkActionBar pattern SSOT and UX consistency for bulk actions. Ensures accessibility (aria-live, role=toolbar, indeterminate checkbox) and focus management.
Pattern Detection & Compression Audit
Testing
Audit the pattern-detection and compression subsystem for round-trip integrity, schema, and parallelism. Verify lossless compression and correct decompression of patterns and references.
Live UAT Verification
Testing
Live UAT execution from the user perspective. Auto-routes each scenario to the right tool: Playwright for functional checks, Claude in Chrome for visual QA.
Pytest Mocking Strategy
Testing
Master pytest mocking strategy: autospec vs manual mocks, AsyncMock patterns, mock factories, and what to never mock. Includes a decision matrix for mocking vs real objects.
Before-After Screenshots
Testing
Captures before/after screenshots of web pages for visual comparison and PR documentation. Handles URLs or local images, with viewport and selector options.
QA Validation for PR
Testing
Run QA validation on a pull request by booting the local environment and testing acceptance criteria. Optionally posts the report as a PR comment.
QA Automation for Medallion Pipelines
Testing
Run automated end-to-end tests for seeknal pipelines by discovering YAML specs and spawning parallel worker agents.
Keyboard Navigation Tester
Testing
Automated assistance for testing keyboard navigation in frontend applications, providing step-by-step guidance and best practices.
Integration Coherence Verification
Testing
Verifies integration coherence of quant.cpp modules: type system, quantize→attention pipeline, cache integrity, progressive tiers, and SIMD vs generic equality.