feat(dashboard): clarify the fleet status card and swap map locations to project monitoring location coords.

feat: Location no longer assigned directly to unit, locations and coords are assigned to location only, unit only is deployed or benched.

backend/routers/settings.py

@@ -12,6 +12,7 @@ from pathlib import Path
 from backend.database import get_db
 from backend.models import RosterUnit, Emitter, IgnoredUnit, UserPreferences
 from backend.services.database_backup import DatabaseBackupService
+from backend.services.unit_location import bulk_active_locations
 
 router = APIRouter(prefix="/api/settings", tags=["settings"])
 
@@ -21,11 +22,14 @@ def export_roster_csv(db: Session = Depends(get_db)):
     """Export all roster units to CSV"""
     units = db.query(RosterUnit).all()
 
-    # Create CSV in memory
+    # Create CSV in memory.  Location lives on MonitoringLocation now, so
+    # we don't export legacy address/coordinates/location columns here —
+    # round-trip CSV editing would otherwise look like it edits unit
+    # location, when it can't.
     output = io.StringIO()
     fieldnames = [
         'unit_id', 'unit_type', 'device_type', 'deployed', 'retired',
-        'note', 'project_id', 'location', 'address', 'coordinates',
+        'note', 'project_id',
         'last_calibrated', 'next_calibration_due', 'deployed_with_modem_id',
         'ip_address', 'phone_number', 'hardware_model'
     ]
@@ -42,9 +46,6 @@ def export_roster_csv(db: Session = Depends(get_db)):
             'retired': 'true' if unit.retired else 'false',
             'note': unit.note or '',
             'project_id': unit.project_id or '',
-            'location': unit.location or '',
-            'address': unit.address or '',
-            'coordinates': unit.coordinates or '',
             'last_calibrated': unit.last_calibrated.strftime('%Y-%m-%d') if unit.last_calibrated else '',
             'next_calibration_due': unit.next_calibration_due.strftime('%Y-%m-%d') if unit.next_calibration_due else '',
             'deployed_with_modem_id': unit.deployed_with_modem_id or '',
@@ -82,6 +83,7 @@ def get_table_stats(db: Session = Depends(get_db)):
 def get_all_roster_units(db: Session = Depends(get_db)):
     """Get all roster units for management table"""
     units = db.query(RosterUnit).order_by(RosterUnit.id).all()
+    active_locs = bulk_active_locations(db, units)
 
     return [{
         "id": unit.id,
@@ -90,10 +92,10 @@ def get_all_roster_units(db: Session = Depends(get_db)):
         "deployed": unit.deployed,
         "retired": unit.retired,
         "note": unit.note or "",
-        "project_id": unit.project_id or "",
-        "location": unit.location or "",
-        "address": unit.address or "",
-        "coordinates": unit.coordinates or "",
+        "project_id": (active_locs.get(unit.id) or {}).get("project_id") or unit.project_id or "",
+        "address":     (active_locs.get(unit.id) or {}).get("address") or "",
+        "coordinates": (active_locs.get(unit.id) or {}).get("coordinates") or "",
+        "location_name": (active_locs.get(unit.id) or {}).get("name") or "",
         "last_calibrated": unit.last_calibrated.isoformat() if unit.last_calibrated else None,
         "next_calibration_due": unit.next_calibration_due.isoformat() if unit.next_calibration_due else None,
         "deployed_with_modem_id": unit.deployed_with_modem_id or "",