backend/alembic/versions/002_local_flights.py

@@ -6,7 +6,8 @@ Create Date: 2025-12-12 12:00:00.000000
 
 This migration adds a new table for tracking local flights (circuits, local, departure)
 that don't require PPR submissions. Also adds etd and renames booked_out_dt to created_dt,
-and departure_dt to departed_dt for consistency.
+and departure_dt to departed_dt for consistency. Transforms journal table from PPR-specific
+to a generic polymorphic journal for all entity types.
 
 """
 from alembic import op
@@ -22,8 +23,41 @@ depends_on = None
 def upgrade() -> None:
     """
     Create local_flights, departures, and arrivals tables.
+    Transform journal table from PPR-specific to generic polymorphic journal.
     """
     
+    # Modify existing journal table to support all entity types
+    # First add new columns
+    op.add_column('journal', sa.Column('entity_type', sa.String(50), nullable=True))
+    op.add_column('journal', sa.Column('entity_id', sa.BigInteger(), nullable=True))
+    
+    # Migrate existing PPR journal entries: backfill entity_type and entity_id
+    op.execute("""
+        UPDATE journal SET 
+            entity_type = 'PPR',
+            entity_id = ppr_id
+        WHERE entity_type IS NULL
+    """)
+    
+    # Make new columns NOT NULL after migration
+    op.alter_column('journal', 'entity_type', nullable=False)
+    op.alter_column('journal', 'entity_id', nullable=False)
+    
+    # Make ip column nullable (new entries won't always have it)
+    op.alter_column('journal', 'ip', existing_type=sa.String(45), nullable=True)
+    
+    # Drop the old ppr_id column
+    op.drop_column('journal', 'ppr_id')
+    
+    # Add composite index for efficient queries
+    op.create_index('idx_entity_lookup', 'journal', ['entity_type', 'entity_id'])
+    
+    # Drop old index if it exists
+    try:
+        op.drop_index('idx_ppr_id', table_name='journal')
+    except:
+        pass
+    
     op.create_table('local_flights',
         sa.Column('id', sa.BigInteger(), autoincrement=True, nullable=False),
         sa.Column('registration', sa.String(length=16), nullable=False),

backend/app/api/api.py

@@ -1,5 +1,5 @@
 from fastapi import APIRouter
-from app.api.endpoints import auth, pprs, public, aircraft, airport, local_flights, departures, arrivals, circuits
+from app.api.endpoints import auth, pprs, public, aircraft, airport, local_flights, departures, arrivals, circuits, journal
 
 api_router = APIRouter()
 
@@ -9,6 +9,7 @@ api_router.include_router(local_flights.router, prefix="/local-flights", tags=["
 api_router.include_router(departures.router, prefix="/departures", tags=["departures"])
 api_router.include_router(arrivals.router, prefix="/arrivals", tags=["arrivals"])
 api_router.include_router(circuits.router, prefix="/circuits", tags=["circuits"])
+api_router.include_router(journal.router, prefix="/journal", tags=["journal"])
 api_router.include_router(public.router, prefix="/public", tags=["public"])
 api_router.include_router(aircraft.router, prefix="/aircraft", tags=["aircraft"])
 api_router.include_router(airport.router, prefix="/airport", tags=["airport"])

backend/app/api/endpoints/arrivals.py

@@ -87,7 +87,16 @@ async def update_arrival(
             detail="Arrival record not found"
         )
     
-    arrival = crud_arrival.update(db, db_obj=db_arrival, obj_in=arrival_in)
+    # Get user IP from request
+    user_ip = request.client.host if request.client else None
+    
+    arrival = crud_arrival.update(
+        db, 
+        db_obj=db_arrival, 
+        obj_in=arrival_in,
+        user=current_user.username,
+        user_ip=user_ip
+    )
     
     # Send real-time update
     if hasattr(request.app.state, 'connection_manager'):
@@ -112,11 +121,14 @@ async def update_arrival_status(
     current_user: User = Depends(get_current_operator_user)
 ):
     """Update arrival status"""
+    client_ip = get_client_ip(request)
     arrival = crud_arrival.update_status(
         db, 
         arrival_id=arrival_id, 
         status=status_update.status,
-        timestamp=status_update.timestamp
+        timestamp=status_update.timestamp,
+        user=current_user.username,
+        user_ip=client_ip
     )
     if not arrival:
         raise HTTPException(

backend/app/api/endpoints/departures.py

@@ -87,7 +87,16 @@ async def update_departure(
             detail="Departure record not found"
         )
     
-    departure = crud_departure.update(db, db_obj=db_departure, obj_in=departure_in)
+    # Get user IP from request
+    user_ip = request.client.host if request.client else None
+    
+    departure = crud_departure.update(
+        db, 
+        db_obj=db_departure, 
+        obj_in=departure_in,
+        user=current_user.username,
+        user_ip=user_ip
+    )
     
     # Send real-time update
     if hasattr(request.app.state, 'connection_manager'):
@@ -112,11 +121,14 @@ async def update_departure_status(
     current_user: User = Depends(get_current_operator_user)
 ):
     """Update departure status"""
+    client_ip = get_client_ip(request)
     departure = crud_departure.update_status(
         db, 
         departure_id=departure_id, 
         status=status_update.status,
-        timestamp=status_update.timestamp
+        timestamp=status_update.timestamp,
+        user=current_user.username,
+        user_ip=client_ip
     )
     if not departure:
         raise HTTPException(

backend/app/api/endpoints/journal.py

@@ -0,0 +1,63 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
+from app.api import deps
+from app.crud.crud_journal import journal
+from app.models.journal import EntityType
+from app.schemas.journal import JournalEntryResponse, EntityJournalResponse
+from typing import List
+
+router = APIRouter(tags=["journal"])
+
+
+@router.get("/{entity_type}/{entity_id}", response_model=EntityJournalResponse)
+async def get_entity_journal(
+    entity_type: str,
+    entity_id: int,
+    limit: int = 100,
+    db: Session = Depends(deps.get_db),
+    current_user = Depends(deps.get_current_user)
+):
+    """
+    Get journal entries for a specific entity (PPR, LOCAL_FLIGHT, ARRIVAL, or DEPARTURE).
+    
+    The journal is immutable - entries are created automatically by the backend
+    when changes are made. This endpoint is read-only.
+    
+    Parameters:
+    - entity_type: One of 'PPR', 'LOCAL_FLIGHT', 'ARRIVAL', 'DEPARTURE'
+    - entity_id: The ID of the entity
+    - limit: Maximum number of entries to return (default 100)
+    """
+    # Validate entity type
+    try:
+        entity = EntityType[entity_type.upper()]
+    except KeyError:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail=f"Invalid entity_type. Must be one of: {', '.join([e.value for e in EntityType])}"
+        )
+    
+    entries = journal.get_entity_journal(db, entity, entity_id, limit=limit)
+    
+    return EntityJournalResponse(
+        entity_type=entity_type,
+        entity_id=entity_id,
+        entries=entries,
+        total_entries=len(entries)
+    )
+
+
+@router.get("/user/{username}", response_model=List[JournalEntryResponse])
+async def get_user_journal(
+    username: str,
+    limit: int = 100,
+    db: Session = Depends(deps.get_db),
+    current_user = Depends(deps.get_current_user)
+):
+    """
+    Get all journal entries created by a specific user.
+    
+    This endpoint is read-only and returns entries in reverse chronological order.
+    """
+    entries = journal.get_user_journal(db, username, limit=limit)
+    return entries

backend/app/api/endpoints/local_flights.py

@@ -88,7 +88,16 @@ async def update_local_flight(
             detail="Local flight record not found"
         )
     
-    flight = crud_local_flight.update(db, db_obj=db_flight, obj_in=flight_in)
+    # Get user IP from request
+    user_ip = request.client.host if request.client else None
+    
+    flight = crud_local_flight.update(
+        db, 
+        db_obj=db_flight, 
+        obj_in=flight_in,
+        user=current_user.username,
+        user_ip=user_ip
+    )
     
     # Send real-time update
     if hasattr(request.app.state, 'connection_manager'):
@@ -113,11 +122,14 @@ async def update_local_flight_status(
     current_user: User = Depends(get_current_operator_user)
 ):
     """Update local flight status (LANDED, CANCELLED, etc.)"""
+    client_ip = get_client_ip(request)
     flight = crud_local_flight.update_status(
         db, 
         flight_id=flight_id, 
         status=status_update.status,
-        timestamp=status_update.timestamp
+        timestamp=status_update.timestamp,
+        user=current_user.username,
+        user_ip=client_ip
     )
     if not flight:
         raise HTTPException(

backend/app/crud/crud_arrival.py

@@ -4,6 +4,8 @@ from sqlalchemy import and_, or_, func, desc
 from datetime import date, datetime
 from app.models.arrival import Arrival, ArrivalStatus
 from app.schemas.arrival import ArrivalCreate, ArrivalUpdate, ArrivalStatusUpdate
+from app.models.journal import EntityType
+from app.crud.crud_journal import journal
 
 
 class CRUDArrival:
@@ -56,16 +58,43 @@ class CRUDArrival:
         db.refresh(db_obj)
         return db_obj
 
-    def update(self, db: Session, db_obj: Arrival, obj_in: ArrivalUpdate) -> Arrival:
+    def update(self, db: Session, db_obj: Arrival, obj_in: ArrivalUpdate, user: str = "system", user_ip: Optional[str] = None) -> Arrival:
+        from datetime import datetime as dt
+        
         update_data = obj_in.dict(exclude_unset=True)
+        changes = []
         
         for field, value in update_data.items():
-            if value is not None:
+            old_value = getattr(db_obj, field)
+            
+            # Normalize datetime values for comparison (ignore timezone differences)
+            if isinstance(old_value, dt) and isinstance(value, dt):
+                # Compare only the date and time, ignoring timezone
+                old_normalized = old_value.replace(tzinfo=None) if old_value.tzinfo else old_value
+                new_normalized = value.replace(tzinfo=None) if value.tzinfo else value
+                if old_normalized == new_normalized:
+                    continue  # Skip if datetimes are the same
+            
+            if old_value != value:
+                changes.append(f"{field} changed from '{old_value}' to '{value}'")
                 setattr(db_obj, field, value)
         
-        db.add(db_obj)
-        db.commit()
-        db.refresh(db_obj)
+        if changes:
+            db.add(db_obj)
+            db.commit()
+            db.refresh(db_obj)
+            
+            # Log changes in journal
+            for change in changes:
+                journal.log_change(
+                    db,
+                    EntityType.ARRIVAL,
+                    db_obj.id,
+                    change,
+                    user,
+                    user_ip
+                )
+        
         return db_obj
 
     def update_status(
@@ -73,12 +102,15 @@ class CRUDArrival:
         db: Session, 
         arrival_id: int, 
         status: ArrivalStatus,
-        timestamp: Optional[datetime] = None
+        timestamp: Optional[datetime] = None,
+        user: str = "system",
+        user_ip: Optional[str] = None
     ) -> Optional[Arrival]:
         db_obj = self.get(db, arrival_id)
         if not db_obj:
             return None
         
+        old_status = db_obj.status
         db_obj.status = status
         
         if status == ArrivalStatus.LANDED and timestamp:
@@ -87,6 +119,17 @@ class CRUDArrival:
         db.add(db_obj)
         db.commit()
         db.refresh(db_obj)
+        
+        # Log status change in journal
+        journal.log_change(
+            db,
+            EntityType.ARRIVAL,
+            arrival_id,
+            f"Status changed from {old_status.value} to {status.value}",
+            user,
+            user_ip
+        )
+        
         return db_obj
 
     def cancel(self, db: Session, arrival_id: int) -> Optional[Arrival]:

backend/app/crud/crud_departure.py

@@ -4,6 +4,8 @@ from sqlalchemy import and_, or_, func, desc
 from datetime import date, datetime
 from app.models.departure import Departure, DepartureStatus
 from app.schemas.departure import DepartureCreate, DepartureUpdate, DepartureStatusUpdate
+from app.models.journal import EntityType
+from app.crud.crud_journal import journal
 
 
 class CRUDDeparture:
@@ -56,16 +58,43 @@ class CRUDDeparture:
         db.refresh(db_obj)
         return db_obj
 
-    def update(self, db: Session, db_obj: Departure, obj_in: DepartureUpdate) -> Departure:
+    def update(self, db: Session, db_obj: Departure, obj_in: DepartureUpdate, user: str = "system", user_ip: Optional[str] = None) -> Departure:
+        from datetime import datetime as dt
+        
         update_data = obj_in.dict(exclude_unset=True)
+        changes = []
         
         for field, value in update_data.items():
-            if value is not None:
+            old_value = getattr(db_obj, field)
+            
+            # Normalize datetime values for comparison (ignore timezone differences)
+            if isinstance(old_value, dt) and isinstance(value, dt):
+                # Compare only the date and time, ignoring timezone
+                old_normalized = old_value.replace(tzinfo=None) if old_value.tzinfo else old_value
+                new_normalized = value.replace(tzinfo=None) if value.tzinfo else value
+                if old_normalized == new_normalized:
+                    continue  # Skip if datetimes are the same
+            
+            if old_value != value:
+                changes.append(f"{field} changed from '{old_value}' to '{value}'")
                 setattr(db_obj, field, value)
         
-        db.add(db_obj)
-        db.commit()
-        db.refresh(db_obj)
+        if changes:
+            db.add(db_obj)
+            db.commit()
+            db.refresh(db_obj)
+            
+            # Log changes in journal
+            for change in changes:
+                journal.log_change(
+                    db,
+                    EntityType.DEPARTURE,
+                    db_obj.id,
+                    change,
+                    user,
+                    user_ip
+                )
+        
         return db_obj
 
     def update_status(
@@ -73,12 +102,15 @@ class CRUDDeparture:
         db: Session, 
         departure_id: int, 
         status: DepartureStatus,
-        timestamp: Optional[datetime] = None
+        timestamp: Optional[datetime] = None,
+        user: str = "system",
+        user_ip: Optional[str] = None
     ) -> Optional[Departure]:
         db_obj = self.get(db, departure_id)
         if not db_obj:
             return None
         
+        old_status = db_obj.status
         db_obj.status = status
         
         if status == DepartureStatus.DEPARTED and timestamp:
@@ -87,6 +119,17 @@ class CRUDDeparture:
         db.add(db_obj)
         db.commit()
         db.refresh(db_obj)
+        
+        # Log status change in journal
+        journal.log_change(
+            db,
+            EntityType.DEPARTURE,
+            departure_id,
+            f"Status changed from {old_status.value} to {status.value}",
+            user,
+            user_ip
+        )
+        
         return db_obj
 
     def cancel(self, db: Session, departure_id: int) -> Optional[Departure]:

backend/app/crud/crud_journal.py

@@ -1,35 +1,95 @@
-from typing import List
+from typing import List, Optional
 from sqlalchemy.orm import Session
-from app.models.ppr import Journal
-from app.schemas.ppr import JournalCreate
+from app.models.journal import JournalEntry, EntityType
+from datetime import datetime
 
 
 class CRUDJournal:
-    def create(self, db: Session, obj_in: JournalCreate) -> Journal:
-        db_obj = Journal(**obj_in.dict())
-        db.add(db_obj)
-        db.commit()
-        db.refresh(db_obj)
-        return db_obj
+    """CRUD operations for the generic journal table.
     
-    def get_by_ppr_id(self, db: Session, ppr_id: int) -> List[Journal]:
-        return db.query(Journal).filter(Journal.ppr_id == ppr_id).order_by(Journal.entry_dt.desc()).all()
+    This journal is immutable - entries can only be created (by backend) and queried.
+    There are no API endpoints for creating journal entries; the backend logs changes directly.
+    """
     
     def log_change(
+        self, 
+        db: Session, 
+        entity_type: EntityType,
+        entity_id: int,
+        entry: str, 
+        user: str,
+        ip: Optional[str] = None
+    ) -> JournalEntry:
+        """Log a change to an entity. Internal backend use only."""
+        journal_entry = JournalEntry(
+            entity_type=entity_type.value,
+            entity_id=entity_id,
+            entry=entry,
+            user=user,
+            ip=ip,
+            entry_dt=datetime.utcnow()
+        )
+        db.add(journal_entry)
+        db.commit()
+        db.refresh(journal_entry)
+        return journal_entry
+
+    def get_entity_journal(
+        self, 
+        db: Session, 
+        entity_type: EntityType,
+        entity_id: int,
+        limit: int = 100
+    ) -> List[JournalEntry]:
+        """Get all journal entries for a specific entity. Read-only API endpoint."""
+        return db.query(JournalEntry).filter(
+            JournalEntry.entity_type == entity_type.value,
+            JournalEntry.entity_id == entity_id
+        ).order_by(JournalEntry.entry_dt.desc()).limit(limit).all()
+    
+    def get_user_journal(
+        self,
+        db: Session,
+        user: str,
+        limit: int = 100
+    ) -> List[JournalEntry]:
+        """Get all journal entries created by a specific user."""
+        return db.query(JournalEntry).filter(
+            JournalEntry.user == user
+        ).order_by(JournalEntry.entry_dt.desc()).limit(limit).all()
+    
+    # Convenience methods for backward compatibility with PPR journal
+    def log_ppr_change(
         self,
         db: Session,
         ppr_id: int,
         entry: str,
         user: str,
-        ip: str
-    ) -> Journal:
-        journal_in = JournalCreate(
-            ppr_id=ppr_id,
+        ip: Optional[str] = None
+    ) -> JournalEntry:
+        """Log a change to a PPR (convenience method)."""
+        return self.log_change(
+            db=db,
+            entity_type=EntityType.PPR,
+            entity_id=ppr_id,
             entry=entry,
             user=user,
             ip=ip
         )
-        return self.create(db, journal_in)
+    
+    def get_ppr_journal(
+        self,
+        db: Session,
+        ppr_id: int,
+        limit: int = 100
+    ) -> List[JournalEntry]:
+        """Get all journal entries for a PPR (convenience method)."""
+        return self.get_entity_journal(
+            db=db,
+            entity_type=EntityType.PPR,
+            entity_id=ppr_id,
+            limit=limit
+        )
 
 
 journal = CRUDJournal()

backend/app/crud/crud_local_flight.py

@@ -4,6 +4,8 @@ from sqlalchemy import and_, or_, func, desc
 from datetime import date, datetime
 from app.models.local_flight import LocalFlight, LocalFlightStatus, LocalFlightType
 from app.schemas.local_flight import LocalFlightCreate, LocalFlightUpdate, LocalFlightStatusUpdate
+from app.models.journal import EntityType
+from app.crud.crud_journal import journal
 
 
 class CRUDLocalFlight:
@@ -82,16 +84,43 @@ class CRUDLocalFlight:
         db.refresh(db_obj)
         return db_obj
 
-    def update(self, db: Session, db_obj: LocalFlight, obj_in: LocalFlightUpdate) -> LocalFlight:
+    def update(self, db: Session, db_obj: LocalFlight, obj_in: LocalFlightUpdate, user: str = "system", user_ip: Optional[str] = None) -> LocalFlight:
+        from datetime import datetime as dt
+        
         update_data = obj_in.dict(exclude_unset=True)
+        changes = []
         
         for field, value in update_data.items():
-            if value is not None:
+            old_value = getattr(db_obj, field)
+            
+            # Normalize datetime values for comparison (ignore timezone differences)
+            if isinstance(old_value, dt) and isinstance(value, dt):
+                # Compare only the date and time, ignoring timezone
+                old_normalized = old_value.replace(tzinfo=None) if old_value.tzinfo else old_value
+                new_normalized = value.replace(tzinfo=None) if value.tzinfo else value
+                if old_normalized == new_normalized:
+                    continue  # Skip if datetimes are the same
+            
+            if old_value != value:
+                changes.append(f"{field} changed from '{old_value}' to '{value}'")
                 setattr(db_obj, field, value)
         
-        db.add(db_obj)
-        db.commit()
-        db.refresh(db_obj)
+        if changes:
+            db.add(db_obj)
+            db.commit()
+            db.refresh(db_obj)
+            
+            # Log changes in journal
+            for change in changes:
+                journal.log_change(
+                    db,
+                    EntityType.LOCAL_FLIGHT,
+                    db_obj.id,
+                    change,
+                    user,
+                    user_ip
+                )
+        
         return db_obj
 
     def update_status(
@@ -99,7 +128,9 @@ class CRUDLocalFlight:
         db: Session, 
         flight_id: int, 
         status: LocalFlightStatus,
-        timestamp: Optional[datetime] = None
+        timestamp: Optional[datetime] = None,
+        user: str = "system",
+        user_ip: Optional[str] = None
     ) -> Optional[LocalFlight]:
         db_obj = self.get(db, flight_id)
         if not db_obj:
@@ -109,6 +140,7 @@ class CRUDLocalFlight:
         if isinstance(status, str):
             status = LocalFlightStatus(status)
         
+        old_status = db_obj.status
         db_obj.status = status
         
         # Set timestamps based on status
@@ -121,6 +153,17 @@ class CRUDLocalFlight:
         db.add(db_obj)
         db.commit()
         db.refresh(db_obj)
+        
+        # Log status change in journal
+        journal.log_change(
+            db,
+            EntityType.LOCAL_FLIGHT,
+            flight_id,
+            f"Status changed from {old_status.value} to {status.value}",
+            user,
+            user_ip
+        )
+        
         return db_obj
 
     def cancel(self, db: Session, flight_id: int) -> Optional[LocalFlight]:

backend/app/crud/crud_ppr.py

@@ -98,11 +98,22 @@ class CRUDPPR:
         return db_obj
 
     def update(self, db: Session, db_obj: PPRRecord, obj_in: PPRUpdate, user: str = "system", user_ip: str = "127.0.0.1") -> PPRRecord:
+        from datetime import datetime as dt
+        
         update_data = obj_in.dict(exclude_unset=True)
         changes = []
         
         for field, value in update_data.items():
             old_value = getattr(db_obj, field)
+            
+            # Normalize datetime values for comparison (ignore timezone differences)
+            if isinstance(old_value, dt) and isinstance(value, dt):
+                # Compare only the date and time, ignoring timezone
+                old_normalized = old_value.replace(tzinfo=None) if old_value.tzinfo else old_value
+                new_normalized = value.replace(tzinfo=None) if value.tzinfo else value
+                if old_normalized == new_normalized:
+                    continue  # Skip if datetimes are the same
+            
             if old_value != value:
                 changes.append(f"{field} changed from '{old_value}' to '{value}'")
                 setattr(db_obj, field, value)
@@ -114,7 +125,7 @@ class CRUDPPR:
             
             # Log changes in journal
             for change in changes:
-                crud_journal.log_change(db, db_obj.id, change, user, user_ip)
+                crud_journal.log_ppr_change(db, db_obj.id, change, user, user_ip)
         
         return db_obj
 
@@ -146,7 +157,7 @@ class CRUDPPR:
         db.refresh(db_obj)
         
         # Log status change in journal
-        crud_journal.log_change(
+        crud_journal.log_ppr_change(
             db, 
             db_obj.id, 
             f"Status changed from {old_status.value} to {status.value}", 

backend/app/main.py

@@ -9,7 +9,8 @@ from app.core.config import settings
 from app.api.api import api_router
 
 # Import models to ensure they're registered with SQLAlchemy
-from app.models.ppr import PPRRecord, User, Journal, Airport, Aircraft
+from app.models.ppr import PPRRecord, User, Airport, Aircraft
+from app.models.journal import JournalEntry
 from app.models.local_flight import LocalFlight
 from app.models.departure import Departure
 from app.models.arrival import Arrival

backend/app/models/journal.py

@@ -0,0 +1,33 @@
+from sqlalchemy import Column, BigInteger, String, Text, DateTime, Index, func
+from datetime import datetime
+from enum import Enum as PyEnum
+from app.db.session import Base
+
+
+class EntityType(str, PyEnum):
+    """Entity types that can have journal entries"""
+    PPR = "PPR"
+    LOCAL_FLIGHT = "LOCAL_FLIGHT"
+    ARRIVAL = "ARRIVAL"
+    DEPARTURE = "DEPARTURE"
+
+
+class JournalEntry(Base):
+    """
+    Generic journal table for tracking changes across all entity types.
+    Replaces the PPR-specific journal table.
+    """
+    __tablename__ = "journal"
+    
+    id = Column(BigInteger, primary_key=True, autoincrement=True)
+    entity_type = Column(String(50), nullable=False, index=True)  # PPR, LOCAL_FLIGHT, ARRIVAL, DEPARTURE
+    entity_id = Column(BigInteger, nullable=False, index=True)  # ID of the entity
+    entry = Column(Text, nullable=False)
+    user = Column(String(50), nullable=False, index=True)
+    ip = Column(String(45), nullable=True)  # Made optional for new entries
+    entry_dt = Column(DateTime, nullable=False, server_default=func.current_timestamp(), index=True)
+    
+    # Composite index for efficient queries
+    __table_args__ = (
+        Index('idx_entity_lookup', 'entity_type', 'entity_id'),
+    )

backend/app/models/ppr.py

@@ -60,17 +60,6 @@ class User(Base):
     updated_at = Column(DateTime, nullable=False, server_default=func.current_timestamp(), onupdate=func.current_timestamp())
 
 
-class Journal(Base):
-    __tablename__ = "journal"
-    
-    id = Column(BigInteger, primary_key=True, autoincrement=True)
-    ppr_id = Column(BigInteger, nullable=False, index=True)  # Changed to BigInteger to match submitted.id
-    entry = Column(Text, nullable=False)
-    user = Column(String(50), nullable=False, index=True)
-    ip = Column(String(45), nullable=False)
-    entry_dt = Column(DateTime, nullable=False, server_default=func.current_timestamp(), index=True)
-
-
 class Airport(Base):
     __tablename__ = "airports"
     

backend/app/schemas/journal.py

@@ -0,0 +1,28 @@
+from pydantic import BaseModel
+from datetime import datetime
+from typing import Optional
+
+
+class JournalEntryResponse(BaseModel):
+    """Read-only schema for journal entries"""
+    id: int
+    entity_type: str  # PPR, LOCAL_FLIGHT, ARRIVAL, DEPARTURE
+    entity_id: int
+    entry: str
+    user: str
+    ip: Optional[str]
+    entry_dt: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class EntityJournalResponse(BaseModel):
+    """Response containing all journal entries for an entity"""
+    entity_type: str
+    entity_id: int
+    entries: list[JournalEntryResponse]
+    total_entries: int
+
+    class Config:
+        from_attributes = True

web/admin.html

@@ -528,6 +528,14 @@
                         <p style="color: #666; font-style: italic;">Loading circuits...</p>
                     </div>
                 </div>
+
+                <!-- Journal Section -->
+                <div id="local-flight-journal-section" style="margin-top: 2rem; border-top: 1px solid #ddd; padding-top: 1rem;">
+                    <h3>📋 Activity Journal</h3>
+                    <div id="local-flight-journal-entries" class="journal-entries">
+                        Loading journal...
+                    </div>
+                </div>
             </div>
         </div>
     </div>
@@ -650,6 +658,14 @@
                         </button>
                     </div>
                 </form>
+
+                <!-- Journal Section -->
+                <div id="departure-journal-section" style="margin-top: 2rem; border-top: 1px solid #ddd; padding-top: 1rem;">
+                    <h3>📋 Activity Journal</h3>
+                    <div id="departure-journal-entries" class="journal-entries">
+                        Loading journal...
+                    </div>
+                </div>
             </div>
         </div>
     </div>
@@ -710,6 +726,14 @@
                         </button>
                     </div>
                 </form>
+
+                <!-- Journal Section -->
+                <div id="arrival-journal-section" style="margin-top: 2rem; border-top: 1px solid #ddd; padding-top: 1rem;">
+                    <h3>📋 Activity Journal</h3>
+                    <div id="arrival-journal-entries" class="journal-entries">
+                        Loading journal...
+                    </div>
+                </div>
             </div>
         </div>
     </div>
@@ -1604,15 +1628,27 @@
 
         function displayDeparted(departed) {
             const tbody = document.getElementById('departed-table-body');
-            document.getElementById('departed-count').textContent = departed.length;
             
-            if (departed.length === 0) {
+            // Deduplicate departed flights by ID to prevent duplicates from race conditions
+            const seenIds = new Set();
+            const uniqueDeparted = departed.filter(flight => {
+                if (seenIds.has(flight.id)) {
+                    console.warn(`Duplicate departed flight detected and filtered: ID ${flight.id}`);
+                    return false;
+                }
+                seenIds.add(flight.id);
+                return true;
+            });
+            
+            document.getElementById('departed-count').textContent = uniqueDeparted.length;
+            
+            if (uniqueDeparted.length === 0) {
                 document.getElementById('departed-no-data').style.display = 'block';
                 return;
             }
             
             // Sort by departed time
-            departed.sort((a, b) => {
+            uniqueDeparted.sort((a, b) => {
                 const aTime = a.departed_dt;
                 const bTime = b.departed_dt;
                 return new Date(aTime) - new Date(bTime);
@@ -1621,7 +1657,7 @@
             tbody.innerHTML = '';
             document.getElementById('departed-table-content').style.display = 'block';
             
-            for (const flight of departed) {
+            for (const flight of uniqueDeparted) {
                 const row = document.createElement('tr');
                 const isLocal = flight.isLocalFlight;
                 const isDeparture = flight.isDeparture;
@@ -1726,15 +1762,27 @@
 
         function displayParked(parked) {
             const tbody = document.getElementById('parked-table-body');
-            document.getElementById('parked-count').textContent = parked.length;
             
-            if (parked.length === 0) {
+            // Deduplicate parked flights by ID to prevent duplicates from race conditions
+            const seenIds = new Set();
+            const uniqueParked = parked.filter(flight => {
+                if (seenIds.has(flight.id)) {
+                    console.warn(`Duplicate parked flight detected and filtered: ID ${flight.id}`);
+                    return false;
+                }
+                seenIds.add(flight.id);
+                return true;
+            });
+            
+            document.getElementById('parked-count').textContent = uniqueParked.length;
+            
+            if (uniqueParked.length === 0) {
                 document.getElementById('parked-no-data').style.display = 'block';
                 return;
             }
             
             // Sort by landed time
-            parked.sort((a, b) => {
+            uniqueParked.sort((a, b) => {
                 if (!a.landed_dt) return 1;
                 if (!b.landed_dt) return -1;
                 return new Date(a.landed_dt) - new Date(b.landed_dt);
@@ -1743,7 +1791,7 @@
             tbody.innerHTML = '';
             document.getElementById('parked-table-content').style.display = 'block';
             
-            for (const ppr of parked) {
+            for (const ppr of uniqueParked) {
                 const row = document.createElement('tr');
                 const isBookedIn = ppr.isBookedIn;
                 
@@ -1841,20 +1889,32 @@
 
         function displayUpcoming(upcoming) {
             const tbody = document.getElementById('upcoming-table-body');
-            document.getElementById('upcoming-count').textContent = upcoming.length;
             
-            if (upcoming.length === 0) {
+            // Deduplicate upcoming flights by ID to prevent duplicates from race conditions
+            const seenIds = new Set();
+            const uniqueUpcoming = upcoming.filter(ppr => {
+                if (seenIds.has(ppr.id)) {
+                    console.warn(`Duplicate upcoming flight detected and filtered: ID ${ppr.id}`);
+                    return false;
+                }
+                seenIds.add(ppr.id);
+                return true;
+            });
+            
+            document.getElementById('upcoming-count').textContent = uniqueUpcoming.length;
+            
+            if (uniqueUpcoming.length === 0) {
                 // Don't show anything if collapsed by default
                 return;
             }
             
             // Sort by ETA date and time
-            upcoming.sort((a, b) => new Date(a.eta) - new Date(b.eta));
+            uniqueUpcoming.sort((a, b) => new Date(a.eta) - new Date(b.eta));
             
             tbody.innerHTML = '';
             // Don't auto-expand, keep collapsed by default
             
-            for (const ppr of upcoming) {
+            for (const ppr of uniqueUpcoming) {
                 const row = document.createElement('tr');
                 row.onclick = () => openPPRModal(ppr.id);
                 row.style.cssText = 'font-size: 0.85rem !important;';
@@ -1932,14 +1992,26 @@
         async function displayArrivals(arrivals) {
             const tbody = document.getElementById('arrivals-table-body');
             const recordCount = document.getElementById('arrivals-count');
-            recordCount.textContent = arrivals.length;
-            if (arrivals.length === 0) {
+            
+            // Deduplicate arrivals by ID to prevent duplicates from race conditions
+            const seenIds = new Set();
+            const uniqueArrivals = arrivals.filter(flight => {
+                if (seenIds.has(flight.id)) {
+                    console.warn(`Duplicate arrival detected and filtered: ID ${flight.id}`);
+                    return false;
+                }
+                seenIds.add(flight.id);
+                return true;
+            });
+            
+            recordCount.textContent = uniqueArrivals.length;
+            if (uniqueArrivals.length === 0) {
                 document.getElementById('arrivals-no-data').style.display = 'block';
                 return;
             }
             
             // Sort arrivals by ETA/departure time (ascending)
-            arrivals.sort((a, b) => {
+            uniqueArrivals.sort((a, b) => {
                 const aTime = a.eta || a.departure_dt;
                 const bTime = b.eta || b.departure_dt;
                 if (!aTime) return 1;
@@ -1948,7 +2020,7 @@
             });
             tbody.innerHTML = '';
             document.getElementById('arrivals-table-content').style.display = 'block';
-            for (const flight of arrivals) {
+            for (const flight of uniqueArrivals) {
                 const row = document.createElement('tr');
                 const isLocal = flight.isLocalFlight;
                 const isBookedIn = flight.isBookedIn;
@@ -2091,14 +2163,26 @@
         async function displayDepartures(departures) {
             const tbody = document.getElementById('departures-table-body');
             const recordCount = document.getElementById('departures-count');
-            recordCount.textContent = departures.length;
-            if (departures.length === 0) {
+            
+            // Deduplicate departures by ID to prevent duplicates from race conditions
+            const seenIds = new Set();
+            const uniqueDepartures = departures.filter(flight => {
+                if (seenIds.has(flight.id)) {
+                    console.warn(`Duplicate flight detected and filtered: ID ${flight.id}`);
+                    return false;
+                }
+                seenIds.add(flight.id);
+                return true;
+            });
+            
+            recordCount.textContent = uniqueDepartures.length;
+            if (uniqueDepartures.length === 0) {
                 document.getElementById('departures-no-data').style.display = 'block';
                 return;
             }
             
             // Sort departures by ETD (ascending), nulls last
-            departures.sort((a, b) => {
+            uniqueDepartures.sort((a, b) => {
                 const aTime = a.etd || a.created_dt;
                 const bTime = b.etd || b.created_dt;
                 if (!aTime) return 1;
@@ -2107,7 +2191,7 @@
             });
             tbody.innerHTML = '';
             document.getElementById('departures-table-content').style.display = 'block';
-            for (const flight of departures) {
+            for (const flight of uniqueDepartures) {
                 const row = document.createElement('tr');
                 const isLocal = flight.isLocalFlight;
                 const isDeparture = flight.isDeparture;
@@ -2461,9 +2545,10 @@
             });
         }
 
-        async function loadJournal(pprId) {
+        // Generic function to load journal for any entity type
+        async function loadJournalForEntity(entityType, entityId, containerElementId) {
             try {
-                const response = await fetch(`/api/v1/pprs/${pprId}/journal`, {
+                const response = await fetch(`/api/v1/journal/${entityType}/${entityId}`, {
                     headers: {
                         'Authorization': `Bearer ${accessToken}`
                     }
@@ -2473,16 +2558,40 @@
                     throw new Error('Failed to fetch journal');
                 }
 
-                const entries = await response.json();
-                displayJournal(entries);
+                const data = await response.json();
+                // The new API returns { entity_type, entity_id, entries, total_entries }
+                displayJournalForContainer(data.entries || [], containerElementId);
             } catch (error) {
                 console.error('Error loading journal:', error);
-                document.getElementById('journal-entries').innerHTML = 'Error loading journal entries';
+                const container = document.getElementById(containerElementId);
+                if (container) container.innerHTML = 'Error loading journal entries';
             }
         }
 
-        function displayJournal(entries) {
-            const container = document.getElementById('journal-entries');
+        // PPR-specific journal loader (backward compatible)
+        async function loadJournal(pprId) {
+            await loadJournalForEntity('PPR', pprId, 'journal-entries');
+        }
+
+        // Local Flight specific journal loader
+        async function loadLocalFlightJournal(flightId) {
+            await loadJournalForEntity('LOCAL_FLIGHT', flightId, 'local-flight-journal-entries');
+        }
+
+        // Departure specific journal loader
+        async function loadDepartureJournal(departureId) {
+            await loadJournalForEntity('DEPARTURE', departureId, 'departure-journal-entries');
+        }
+
+        // Arrival specific journal loader
+        async function loadArrivalJournal(arrivalId) {
+            await loadJournalForEntity('ARRIVAL', arrivalId, 'arrival-journal-entries');
+        }
+
+        // Display journal in a specific container
+        function displayJournalForContainer(entries, containerElementId) {
+            const container = document.getElementById(containerElementId);
+            if (!container) return;
             
             if (entries.length === 0) {
                 container.innerHTML = '<p>No journal entries yet.</p>';
@@ -2496,6 +2605,10 @@
                     </div>
                 `).join('');
             }
+        }
+
+        function displayJournal(entries) {
+            displayJournalForContainer(entries, 'journal-entries');
             
             // Always show journal section when displaying entries
             document.getElementById('journal-section').style.display = 'block';
@@ -3390,6 +3503,9 @@
                 }
 
                 document.getElementById('localFlightEditModal').style.display = 'block';
+                
+                // Load journal for this local flight
+                await loadLocalFlightJournal(flightId);
             } catch (error) {
                 console.error('Error loading flight:', error);
                 showNotification('Error loading flight details', true);
@@ -3472,6 +3588,9 @@
 
                 document.getElementById('departure-edit-title').textContent = `${departure.registration} to ${departure.out_to}`;
                 document.getElementById('departureEditModal').style.display = 'block';
+                
+                // Load journal for this departure
+                await loadDepartureJournal(departureId);
             } catch (error) {
                 console.error('Error loading departure:', error);
                 showNotification('Error loading departure details', true);
@@ -3573,6 +3692,9 @@
 
                 // Show modal
                 document.getElementById('arrivalEditModal').style.display = 'block';
+                
+                // Load journal for this arrival
+                await loadArrivalJournal(arrivalId);
             } catch (error) {
                 console.error('Error loading arrival:', error);
                 showNotification('Error loading arrival details', true);