Package inquiry, UAT related update

apps/edr-passenger-api/prisma/schema.prisma

@@ -1417,6 +1417,7 @@ model TravelPackage {
   returnSchedule       TrainSchedule      @relation("PackageReturn",   fields: [returnScheduleId],   references: [id])
   priceTiers           PackagePriceTier[]
   bookings             PackageBooking[]
+  inquiries            PackageInquiry[]
 
   @@index([status, validFrom])
   @@schema("passenger")
@@ -1434,6 +1435,7 @@ model PackagePriceTier {
 
   package        TravelPackage   @relation(fields: [packageId], references: [id])
   bookings       PackageBooking[]
+  inquiries      PackageInquiry[]
 
   @@unique([packageId, seatType])
   @@schema("passenger")
@@ -1501,3 +1503,24 @@ model PackagePaymentIntent {
 
   @@schema("passenger")
 }
+
+model PackageInquiry {
+  id              String        @id @default(uuid())
+  packageId       String
+  priceTierId     String?
+  travelerCount   Int
+  contactName     String
+  contactEmail    String?
+  contactPhone    String?
+  notes           String?
+  status          String        @default("NEW")
+  enquiredAt      DateTime      @default(now())
+  createdAt       DateTime      @default(now())
+  updatedAt       DateTime      @updatedAt
+
+  package         TravelPackage      @relation(fields: [packageId], references: [id])
+  priceTier       PackagePriceTier?  @relation(fields: [priceTierId], references: [id])
+
+  @@index([packageId])
+  @@schema("passenger")
+}