fix signin signout and apply the new style

packages/database/prisma/migrations/20260524000000_add_vehicle_pickup_dropoff/migration.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "vehicles"
+ADD COLUMN "pickupLocations" TEXT[],
+ADD COLUMN "allowDifferentDropoff" BOOLEAN NOT NULL DEFAULT false,
+ADD COLUMN "dropoffLocations" TEXT[];

packages/database/prisma/migrations/20260524000001_backfill_vehicle_location_arrays/migration.sql

@@ -0,0 +1,10 @@
+UPDATE "vehicles"
+SET
+  "pickupLocations" = COALESCE("pickupLocations", ARRAY[]::TEXT[]),
+  "dropoffLocations" = COALESCE("dropoffLocations", ARRAY[]::TEXT[]);
+
+ALTER TABLE "vehicles"
+ALTER COLUMN "pickupLocations" SET DEFAULT ARRAY[]::TEXT[],
+ALTER COLUMN "pickupLocations" SET NOT NULL,
+ALTER COLUMN "dropoffLocations" SET DEFAULT ARRAY[]::TEXT[],
+ALTER COLUMN "dropoffLocations" SET NOT NULL;

packages/database/prisma/schema.prisma

@@ -486,6 +486,9 @@ model Vehicle {
   mileage      Int?
   notes        String?
   isPublished  Boolean         @default(true)
+  pickupLocations       String[]        @default([])
+  allowDifferentDropoff Boolean         @default(false)
+  dropoffLocations      String[]        @default([])
 
   reservations    Reservation[]
   maintenance     MaintenanceLog[]