Joshua King b1ed8cdb20 hub: emit battery_pct/video_remaining as null, not omitted ...

The SPA types these as number|null and null-checks them, but omitempty
dropped the field entirely when uncalibrated → undefined in JS → "NaN%".
Always serialize the field (null when unknown) so the card shows "N/A".

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-05 20:22:06 -04:00

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camera.go

hub: emit battery_pct/video_remaining as null, not omitted

2026-06-05 20:22:06 -04:00