bug fixes for local deployment model

backend/app/main.py

@@ -106,7 +106,13 @@ async def lifespan(app: FastAPI):
     # Create tables on startup, then patch any missing columns
     async with engine.begin() as conn:
         await conn.run_sync(_cleanup_orphaned_sequences)
-        await conn.run_sync(Base.metadata.create_all)
+        try:
+            await conn.run_sync(Base.metadata.create_all)
+        except Exception as e:
+            if "duplicate" in str(e).lower():
+                print(f"  → Tables already exist (partial creation from prior restart): {e}")
+            else:
+                raise
         await conn.run_sync(_migrate_add_missing_columns)
 
     # Auto-seed if database is empty
@@ -117,7 +123,7 @@ async def lifespan(app: FastAPI):
             print("  → Database is empty — running seed...")
             from seed import seed as run_seed
             await run_seed()
-            return  # Full seed already included station config
+            print("  ✓ Full seed completed (skipping station config check)")
 
     # Ensure station config exists (runs even if DB already had data)
     async with async_session() as session: