qa-role-frontend

Property-based testing libraries: 5 skills covering Hypothesis (Python), fast-check (JS/TS), proptest (Rust), jqwik (JVM), and QuickCheck (Haskell) + ScalaCheck - each ships authoring + run + shrinking + CI integration - plus 3 agents (property-based-test-author, property-based-tool-selector, vacuous-property-critic).

Search relevance testing: 6 skills (elasticsearch-relevance-tests, hybrid-search-eval-author, judgment-list-author, opensearch-relevance-tests, solr-relevance-tests, vector-search-precision-tests) and 1 agent (relevance-regression-reviewer). IR-metrics-driven NDCG / MRR / Recall@k regression detection.

Test code reviewers for test files only — production code is out of scope. 5 skills (object-model-patterns, test-code-conventions, test-framework-blueprint, test-isolation-patterns, test-step-design-patterns) and 6 agents (assertion-quality-reviewer, e2e-selector-quality-critic, framework-architecture-auditor, mocking-anti-pattern-detector, test-code-critic, test-suite-health-auditor).

Production-side QA per ISTQB-canonical shift right ("a test approach to test a system continuously in production"): 4 skills (feature-flag-experiment-validator, prod-canary-validator, rum-to-synthetic-gap-analyzer, synthetic-monitor-author) and 2 agents (canary-and-experiment-coordinator, observability-to-test).

Test impact analysis + regression-suite hygiene: 2 skills (regression-suite-selector, coverage-debt-tracker) and 2 agents (test-suite-pruner, regression-suite-curator).

Mobile, desktop & cross-platform QA role bundle: one-command install of mobile-native, desktop, embedded, game, and browser/OS compatibility testing.

Embedded C/C++ testing: GoogleTest on ARM, ThrowTheSwitch Unity-C and Ceedling, gcov coverage, QEMU system emulation

Auth flow testing: 6 skills (auth0-tests, keycloak-tests, mfa-flow-test-author, oauth-flow-test-author, okta-tests, session-management-test-author) and 1 agent (token-storage-security-critic). Anchored on OAuth 2.0 / RFC 7636 PKCE / RFC 9700 / OWASP ASVS V3.

Concurrency + race-condition testing: 6 skills (async-ordering-tests, deadlock-detection-harness, go-race-detector-workflow, jepsen-patterns, mvcc-isolation-tests, race-condition-test-author) and 1 agent (concurrency-critic). Code-level data races, distinct from qa-chaos (infrastructure fault injection).

PII detection, masking, and synthetic data generation for test environments: 8 skills (data-masking-techniques-reference, faker-synthetic-data, k-anonymity-verifier, pii-categories-reference, pii-masking-pipeline-builder, presidio-pii-detection, synthea-healthcare-data, test-data-governance-reference) and 1 agent (pii-leak-critic).