Add POI CLI commands: add-poi, list-pois, calculate-poi

Enables POI management and distance calculation from the command line,
following the existing Click command patterns with asyncio.run().

main.py

@@ -16,7 +16,10 @@ from services import (
     listing_service,
     export_service,
     district_service,
+    poi_service,
 )
+from repositories.poi_repository import POIRepository
+from repositories.user_repository import UserRepository
 
 P = ParamSpec("P")
 R = TypeVar("R")
@@ -380,5 +383,92 @@ def list_districts() -> None:
         click.echo(f"  - {name}")
 
 
+@cli.command()
+@click.option("--name", required=True, help="Name for the POI (e.g., 'Office')")
+@click.option("--address", required=True, help="Human-readable address")
+@click.option("--lat", required=True, type=float, help="Latitude")
+@click.option("--lon", required=True, type=float, help="Longitude")
+@click.option("--user-email", required=True, help="User email to associate POI with")
+def add_poi(name: str, address: str, lat: float, lon: float, user_email: str) -> None:
+    """Create a Point of Interest."""
+    user_repo = UserRepository(engine)
+    db_user = user_repo.get_user_by_email(user_email)
+    if db_user is None:
+        db_user = user_repo.create_user(user_email)
+
+    poi_repo = POIRepository(engine)
+    result = poi_service.create_poi(
+        poi_repo,
+        user_id=db_user.id,  # type: ignore[arg-type]
+        name=name,
+        address=address,
+        latitude=lat,
+        longitude=lon,
+    )
+    click.echo(f"Created POI: {result.poi.name} (id={result.poi.id})")
+
+
+@cli.command()
+@click.option("--user-email", required=True, help="User email to list POIs for")
+def list_pois(user_email: str) -> None:
+    """List POIs for a user."""
+    user_repo = UserRepository(engine)
+    db_user = user_repo.get_user_by_email(user_email)
+    if db_user is None:
+        click.echo(f"User '{user_email}' not found")
+        return
+
+    poi_repo = POIRepository(engine)
+    pois = poi_service.get_user_pois(poi_repo, db_user.id)  # type: ignore[arg-type]
+    if not pois:
+        click.echo("No POIs found")
+        return
+
+    for p in pois:
+        click.echo(f"  [{p.id}] {p.name} - {p.address} ({p.latitude}, {p.longitude})")
+
+
+@cli.command()
+@click.option("--poi-id", required=True, type=int, help="POI ID to calculate distances for")
+@click.option(
+    "--travel-modes",
+    required=True,
+    help="Comma-separated travel modes (WALK, BICYCLE, TRANSIT)",
+)
+@click.option(
+    "--listing-type",
+    required=True,
+    type=click.Choice(ListingType.__members__.keys(), case_sensitive=False),
+    help="Listing type (BUY or RENT)",
+)
+def calculate_poi(poi_id: int, travel_modes: str, listing_type: str) -> None:
+    """Calculate distances from listings to a POI."""
+    from services.poi_distance_calculator import calculate_poi_distances as calc
+    from config.routing_config import RoutingConfig
+
+    poi_repo = POIRepository(engine)
+    poi = poi_repo.get_poi_by_id(poi_id)
+    if poi is None:
+        click.echo(f"POI {poi_id} not found")
+        return
+
+    listing_repo = ListingRepository(engine=engine)
+    lt = ListingType[listing_type]
+    modes = [m.strip().upper() for m in travel_modes.split(",")]
+
+    click.echo(f"Calculating {modes} distances for POI '{poi.name}' ({lt.value} listings)...")
+
+    total = asyncio.run(calc(
+        listing_repo=listing_repo,
+        poi_repo=poi_repo,
+        poi=poi,
+        travel_modes=modes,
+        listing_type=lt,
+        config=RoutingConfig.from_env(),
+    ))
+
+    click.echo(f"Computed {total} distances")
+
+
 if __name__ == "__main__":
     cli()