phaser-game-testing

Test Phaser games and canvas/WebGL applications with deterministic automation. Plan, implement, and debug frontend tests: unit/integration/E2E/visual/a11y for Phaser 3 games. Use agent-browser CLI for browser automation, Vitest/Jest/RTL, flaky test triage, CI stabilization, and Phaser games needing deterministic input plus screenshot/state assertions. Trigger: "test phaser game", "phaser testing", "game testing", "canvas testing", "webgl testing", "test", "E2E", "flaky", "visual regression", "Playwright".