Browser Game Runtime QA

Use this skill to QA browser 3D/game runtime surfaces from the perspective of a normal user.

Required Companion Skills

Use runtime-ux-qa with this skill for any implemented user-facing runtime surface. This skill adds browser game/WebGL/realtime checks; it does not replace the general Runtime UI UX Quality Gate.

Verdict Format

Return:

• verdict: pass, pass-with-minor-issues, or fail;
• blockers;
• majorIssues;
• minorIssues;
• passedChecks;
• browserEvidence;
• missingEvidence;
• requiredFixes.

Required Checks

• Canvas is present, visible, bounded by its MUI container, and nonblank after load.
• Primary object/camera is framed on desktop, tablet, and mobile.
• Movement or animation changes over time where the feature claims interactivity.
• No document-level horizontal overflow.
• HUD and controls do not overlap incoherently.
• Keyboard focus can enter and leave the canvas area.
• Pointer lock or pointer capture can be released.
• Loading, empty, error, reconnecting, disconnected, unauthorized, room-full, and version-mismatch states are localized where relevant.
• Forms, dialogs, and validation states use localized user-facing messages.
• Semantic long-text fields use multiline controls by default.
• Optional resource-source fields do not show errors before a source is selected.
• Implemented canvas widgets reuse existing apps-template-mui or MUI dashboard/widget/dialog/list/table/card primitives, or document a product reason for any new primitive.
• No raw IDs, JSON, [object Object], protocol errors, room IDs, player IDs, session IDs, or server stack details are visible.
• WebSocket/multiplayer assertions prove state propagation when the feature is realtime.
• Reconnect assertions prove reconnecting, restored, and failed reconnect states when reconnect is in scope.

Evidence Rules

• Use user-facing locators and stable test ids.
• Use existing Playwright UX helpers when available. When a helper is not available, implement equivalent assertions with the same semantics:
  • expectNoTechnicalLeakage;
  • expectLocalizedValidation;
  • expectNoPageHorizontalOverflow;
  • expectRuntimeUxViewportMatrix;
  • keyboard path checks by role, label, accessible name, or stable test id.
• Screenshots support the result, but screenshots alone are not sufficient.
• Do not require Playwright for Markdown-only skill/docs changes.
• Do not run pnpm dev; use the repository Playwright wrapper and port 3100 when browser evidence is needed.

References

• Read references/canvas-webgl-oracles.md for canvas/WebGL checks.
• Read references/realtime-multiplayer-oracles.md for WebSocket, multi-client, and reconnect checks.
• Read references/qa-evidence-template.md for a structured QA report.
• Use .agents/skills/playwright-best-practices/testing-patterns/canvas-webgl.md for general canvas/WebGL Playwright patterns.
• Use .agents/skills/playwright-best-practices/browser-apis/websockets.md for WebSocket test patterns.
• Use .agents/skills/playwright-best-practices/advanced/multi-user.md for multi-user scenarios.
• Use .agents/skills/playwright-best-practices/references/universo-e2e.md for repository-specific E2E commands.