Phase 0: GNSS fix achieved; moving map no longer blocked

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/ROADMAP.md

@@ -19,8 +19,7 @@ Getting the Jetson to see the hardware at all.
 - [x] SIM7600G-H-M.2 specified and documented
 - [x] SIM7600 LTE data path: QMI (self-built `qmi_wwan`), povo, metered, ranked
       below Ethernet/WiFi; failover tested, Tailscale stays reachable over LTE
-- [ ] SIM7600 GNSS via gpsd — pipeline up (`/dev/sim7600-gps`), **no fix yet**;
-      needs an open-sky test
+- [x] SIM7600 GNSS via gpsd (`/dev/sim7600-gps`): 3D fix in the car
 - [x] Kernel-update procedure for the out-of-tree modules (`pcan`, `qmi_wwan`) —
       documented, sources kept in `~/infra`; still manual, and breaks silently
       if forgotten
@@ -89,7 +88,7 @@ and `tool-mapmint` (artifact builds).
 - [ ] Pull a Japan basemap extract from the Protomaps daily build with
       `go-pmtiles`; static-serve it, with `localIdeographFontFamily` set for CJK
 - [ ] MapLibre page rendering the basemap from a replayed GNSS trace
-- [ ] Moving map live in the car — **blocked on a GNSS fix in Phase 0**
+- [ ] Moving map live in the car (GNSS fix available on the car unit)
 - [ ] Meili map matching over recorded sessions, as Phase 2 ground truth
 - [ ] Routing and turn-by-turn guidance onto `yukart/nav/guidance`