orin-status docs: README, plan (sources, UPS estimate)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
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2026-10-12 16:37:10 +09:00
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## What this repo is about
The acquisition and processing cluster on the Orin, developed and deployed as one
unit: `recorder` now; `can-bridge`, `obd-poller`, `gnss` and `decoder` as they are
unit: `recorder` and `orin-status` now; `can-bridge`, `obd-poller`, `gnss` and `decoder` as they are
needed.
| Binary | Installed as | Does |
|---|---|---|
| `recorder` | `yukart-recorder.service` | Raw CAN + GNSS to disk, in sessions, under a storage bound |
| `orin-status` | `yukart-orin-status.service` | The Orin's health on the bus, once a second: temperatures, CPU/GPU load, memory, power, fan, WiFi/LTE/tablet links, UPS battery (`yukart/host/*`) |
```bash
scripts/deploy-recorder.sh # build, glibc check, install on the car Orin
scripts/deploy-orin-status.sh # build on the development Orin, glibc check, install
yukart-orin-status --once # on an Orin: one reading as JSON, no broker
yukart-recorder ctl status # on the Orin
yukart-recorder ctl start "cold start" # manual session, ends only on stop
yukart-recorder ctl mark "indicator left on"