Portal reference initial · error context

- 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]:
        - generic [ref=e14]:
          - generic [ref=e15]: ✧
          - paragraph [ref=e16]: Waiting for first light
        - generic [ref=e17]:
          - text: ENGINE ZOO
          - generic [ref=e18]: OWNED WEBGPU
      - paragraph [ref=e19]: 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=e20]:
      - paragraph [ref=e21]: BROWSER CAPABILITIES
      - heading "Let’s take a look." [level=2] [ref=e22]
      - paragraph [ref=e23]: Check rendering, resize, buffer transfers, recovery, shared data contracts and simulation replay.
      - button "Run the checks ↗" [ref=e25] [cursor=pointer]
      - status [ref=e26]: Ready when you are.
      - list "Probe results"
      - generic [ref=e27]: No active workers or canvases
  - generic [ref=e28]:
    - generic [ref=e29]:
      - heading "Views into another place" [level=2] [ref=e30]
      - paragraph [ref=e31]: "A bounded portal gallery: clipping, occlusion, refresh budgets and graphics recovery."
      - button "Check portal views" [ref=e32] [cursor=pointer]
      - status [ref=e33]: "Portal study: independent destination camera/HDR reference differs: max 11, mean 0.07293333333333334; samples [{\"x\":291,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":292,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":293,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":294,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":295,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":296,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":297,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":298,\"y\":181,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":299,\"y\":181,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":300,\"y\":181,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":301,\"y\":181,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":302,\"y\":181,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":288,\"y\":182,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":289,\"y\":182,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":290,\"y\":182,\"channel\":0,\"a\":42,\"b\":32,\"error\":10},{\"x\":290,\"y\":182,\"channel\":1,\"a\":72,\"b\":68,\"error\":4},{\"x\":303,\"y\":182,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":304,\"y\":182,\"channel\":0,\"a\":36,\"b\":32,\"error\":4},{\"x\":286,\"y\":183,\"channel\":0,\"a\":37,\"b\":32,\"error\":5},{\"x\":287,\"y\":183,\"channel\":0,\"a\":43,\"b\":32,\"error\":11}]"
      - heading "Input & audio" [level=2] [ref=e34]
      - paragraph [ref=e35]: 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=e36] [cursor=pointer]
      - status [ref=e37]: Not tested
      - button "Check spatial sound" [ref=e38] [cursor=pointer]
      - status [ref=e39]: "Silent offline rendering: direction, distance, mute and cleanup."
    - generic [ref=e40]:
      - heading "Keep the field notes." [level=2] [ref=e41]
      - paragraph [ref=e42]: The report includes browser details, exposed adapter information and measured results. Resource counts track engine ownership, not driver memory.
      - button "Download report" [ref=e43] [cursor=pointer]
      - group [ref=e44]:
        - generic "Inspect report" [ref=e45] [cursor=pointer]
  - generic [ref=e46]:
    - text: Made for worlds worth wandering.
    - generic [ref=e47]: ENGINE 0.1.0 · DIAGNOSTIC BUILD