# Page snapshot ```yaml - main [ref=e3]: - generic [ref=e4]: - link "DARKWIND ENGINE" [ref=e5] [cursor=pointer]: - /url: / - generic [ref=e6]: FIELD NOTES / 001 - generic [ref=e7]: - paragraph [ref=e8]: THE ENGINE OBSERVATORY - heading "A window into the machinery." [level=1] [ref=e9]: - text: A window into - text: the machinery. - paragraph [ref=e10]: A small, real scene. A careful look at what your browser can do. - generic [ref=e11]: - generic [ref=e12]: - generic [ref=e13]: - img "Engine fixture rendered by the WebGPU worker" [ref=e14] - generic [ref=e15]: - text: ENGINE ZOO - generic [ref=e16]: OWNED WEBGPU - paragraph [ref=e17]: The same renderer that lights the world, running in an isolated worker. No room connection or saved-game changes. - region "Let’s take a look." [ref=e18]: - paragraph [ref=e19]: BROWSER CAPABILITIES - heading "Let’s take a look." [level=2] [ref=e20] - paragraph [ref=e21]: Check rendering, resize, buffer transfers, recovery, shared data contracts and simulation replay. - button "Run the checks ↗" [ref=e23] [cursor=pointer] - status [ref=e24]: Some checks failed. See the field notes below. - list "Probe results" [ref=e25]: - listitem [ref=e26]: - strong [ref=e27]: ✓ Main-thread render & resize - generic [ref=e28]: Two nonblank frames; resize replaced targets; repeated disposal is safe. - listitem [ref=e29]: - strong [ref=e30]: ✓ Worker cycle 1 - generic [ref=e31]: A missed scene update recovered from a baseline; resized and released all resources. - listitem [ref=e32]: - strong [ref=e33]: ✓ Worker cycle 2 · device loss - generic [ref=e34]: Device destruction delivered loss and released every owned buffer and texture. - listitem [ref=e35]: - strong [ref=e36]: "! Worker cycle 3" - generic [ref=e37]: Render worker timed out during model-world - listitem [ref=e38]: - strong [ref=e39]: ✓ Runtime data contracts - generic [ref=e40]: Schemas, transforms, persistent IDs, authoring transactions and prefab builds match the pinned headless fixtures. - listitem [ref=e41]: - strong [ref=e42]: ✓ Simulation checkpoint replay - generic [ref=e43]: Movement, exact uint64 time, input expiry, events, doors and travel match after 26 complete restores across 426 boundaries. - generic [ref=e44]: No active workers or canvases - generic [ref=e45]: - generic [ref=e46]: - heading "Input & audio" [level=2] [ref=e47] - paragraph [ref=e48]: These need a direct gesture. The check briefly captures your pointer and activates a silent audio context, then releases both. - button "Check input & audio" [ref=e49] [cursor=pointer] - status [ref=e50]: Not tested - generic [ref=e51]: - heading "Keep the field notes." [level=2] [ref=e52] - paragraph [ref=e53]: The report includes browser details, exposed adapter information and measured results. Resource counts track engine ownership, not driver memory. - button "Download report" [ref=e54] [cursor=pointer] - group [ref=e55]: - generic "Inspect report" [ref=e56] [cursor=pointer] - generic [ref=e57]: - text: Made for worlds worth wandering. - generic [ref=e58]: ENGINE 0.1.0 · DIAGNOSTIC BUILD ```