telemetry overlay, memory params fix, nightrider border, GPS logging

- Telemetry status bar in onroad UI: temp, fan %, model FPS, standstill
- Fix paramsMemory usage: Params("/dev/shm/params") not "/dev/shm/params/d"
- Telemetry/VPN toggles use ToggleControl with manual paramsMemory writes
- TelemetryEnabled/VpnEnabled registered PERSISTENT, written to memory path
- GPS telemetry: telemetryd subscribes to gpsLocation at 1Hz via cereal
- Nightrider: force CameraWidget bg black to eliminate color bleed border
- Suppress "Always On Lateral active" status bar message
- Re-enable gpsd and dashcamd
- CLAUDE.md: document memory params pattern, speed_limit.calculated usage

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

selfdrive/clearpilot/telemetryd.py

@@ -17,6 +17,7 @@ import shutil
 import time
 import zmq
 
+import cereal.messaging as messaging
 from openpilot.common.params import Params
 from openpilot.selfdrive.clearpilot.telemetry import TELEMETRY_SOCK
 from openpilot.selfdrive.manager.process import _log_dir, session_log
@@ -26,12 +27,16 @@ DISK_CHECK_INTERVAL = 10  # seconds
 
 
 def main():
-  params = Params()
+  params = Params("/dev/shm/params")
   ctx = zmq.Context.instance()
   sock = ctx.socket(zmq.PULL)
   sock.setsockopt(zmq.RCVHWM, 1000)
   sock.bind(TELEMETRY_SOCK)
 
+  # GPS subscriber for location telemetry
+  sm = messaging.SubMaster(['gpsLocation'])
+  last_gps_log = 0
+
   csv_path = os.path.join(_log_dir, "telemetry.csv")
   state: dict[str, dict] = {}  # group -> {key: last_value}
   was_enabled = False
@@ -71,6 +76,34 @@ def main():
 
     was_enabled = enabled
 
+    # GPS telemetry at most 1Hz — fed through the same diff logic
+    if enabled and writer is not None:
+      sm.update(0)
+      now = time.monotonic()
+      if sm.updated['gpsLocation'] and (now - last_gps_log) >= 1.0:
+        gps = sm['gpsLocation']
+        gps_data = {
+          "latitude": f"{gps.latitude:.7f}",
+          "longitude": f"{gps.longitude:.7f}",
+          "speed": f"{gps.speed:.2f}",
+          "altitude": f"{gps.altitude:.1f}",
+          "bearing": f"{gps.bearingDeg:.1f}",
+          "accuracy": f"{gps.accuracy:.1f}",
+        }
+        ts = time.time()
+        if "gps" not in state:
+          state["gps"] = {}
+        prev_gps = state["gps"]
+        gps_changed = False
+        for key, value in gps_data.items():
+          if key not in prev_gps or prev_gps[key] != value:
+            writer.writerow([f"{ts:.6f}", "gps", key, value])
+            prev_gps[key] = value
+            gps_changed = True
+        if gps_changed:
+          f.flush()
+        last_gps_log = now
+
     # Always drain the socket (even when disabled) to avoid backpressure
     try:
       raw = sock.recv_string(zmq.NOBLOCK)