Pilot self-bookout

backend/app/models/arrival.py

@@ -6,6 +6,11 @@ from datetime import datetime
 Base = declarative_base()
 
 
+class SubmissionSource(str, Enum):
+    ADMIN = "ADMIN"
+    PUBLIC = "PUBLIC"
+
+
 class ArrivalStatus(str, Enum):
     BOOKED_IN = "BOOKED_IN"
     LANDED = "LANDED"
@@ -27,4 +32,6 @@ class Arrival(Base):
     eta = Column(DateTime, nullable=True, index=True)
     landed_dt = Column(DateTime, nullable=True)
     created_by = Column(String(16), nullable=True, index=True)
+    submitted_via = Column(SQLEnum(SubmissionSource), nullable=False, default=SubmissionSource.ADMIN, index=True)
+    pilot_email = Column(String(128), nullable=True)  # For public submissions
     updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now(), nullable=False)