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Foundation for platform-native parity. The dashboard offered every control to every display — a browser tab cannot reboot its host, a Tizen TV has no device-owner concept, a BrightSign has no per-window brightness — so those buttons did nothing, silently, and read as bugs. "UI that reports success and changes nothing" is a recurring shape here; this ends it by letting the frontend hide what a display cannot do. The player DECLARES its capabilities at registration rather than the server inferring them from a table, because only the player knows at runtime: an Android device gains real screenshots when accessibility is switched on and loses Tier-2 commands when it is not device owner. The trap this had to avoid is the opposite failure. Several hundred displays are in the field declaring nothing, and none will update before the next dashboard deploy — treating absence as "supports nothing" would strip the UI for the entire fleet at once. So an ABSENT declaration falls back to a per-platform baseline, while an EMPTY one is honoured as a player genuinely saying it can do nothing. Those two cases are trivial to conflate and the difference is a dark dashboard. Baselines carry only what has always worked on that platform. Anything conditional — screenshots needing accessibility, kiosk needing device owner, native sync needing one L2 network — is omitted, so a legacy display shows those controls only once it declares them. A control that appears late beats one that lies now. Capability names are stable strings because they are persisted per device and sent over the wire; renaming one silently disables a control on every display still reporting the old name. An unknown name from a NEWER player is dropped rather than invalidating the whole declaration. 1094 pass. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaeo9MvzKoyXuN6ZsbhtkL |
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| ws | ||
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| config.js | ||
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| package.json | ||
| server.js | ||
| smoke-ui.js | ||
| version.js | ||