Phase 1 recorder running; svc-core current; boundary v0 started

The recorder runs on the car unit and reads SocketCAN and gpsd directly
(decision 25, proposed). svc-gw and app-flutter talk boundary v0, both
channels on one WebSocket with their own semantics (decision 26, proposed).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz

docs/REPOS.md

@@ -24,7 +24,8 @@ contracts repo, not copied into each consumer.
 | [orin-nano-env-setup](gitea:yukart/orin-nano-env-setup) | Jetson host bring-up |
 | [app-flutter](gitea:yukart/app-flutter) | Flutter display client |
 | [contracts](gitea:yukart/contracts) | Topic namespace, payload schemas, signal registry |
-| [svc-gw](gitea:yukart/svc-gw) | Telemetry gateway — aggregation and the HTTP surface |
+| [svc-core](gitea:yukart/svc-core) | Acquisition + processing cluster: `recorder` now; `can-bridge`, `obd-poller`, `gnss`, `decoder` to come |
+| [svc-gw](gitea:yukart/svc-gw) | Telemetry gateway — aggregation and the display boundary |
 | [svc-nav](gitea:yukart/svc-nav) | Navigation service — routing and guidance |
 | [tool-mapmint](gitea:yukart/tool-mapmint) | Map artifact minting, workstation-side |
 | [tool-mock](gitea:yukart/tool-mock) | Mocks and fixtures — a fake car on a workstation |
@@ -33,7 +34,6 @@ contracts repo, not copied into each consumer.
 
 | Repository | Role | Why separate |
 |---|---|---|
-| `svc-core` | Acquisition + processing cluster: `can-bridge`, `obd-poller`, `gnss`, `decoder`, `recorder` | Developed and deployed as one unit on the Orin |
 | `app-esp32` | ESP32 RLCD/e-ink display firmware (Class B) | Embedded toolchain, flashed not deployed |
 | `tool-analysis` | Offline session analysis, reverse-engineering notebooks | Runs off-car, no runtime coupling |