Add migration script for discord_id and profile_picture columns

backend/migrations/add_user_fields.py

@@ -0,0 +1,37 @@
+"""Add discord_id and profile_picture to users table."""
+import sqlite3
+from pathlib import Path
+
+def migrate():
+    """Add new columns to users table."""
+    db_path = Path("/app/data/familyhub.db")
+    
+    conn = sqlite3.connect(db_path)
+    cursor = conn.cursor()
+    
+    try:
+        # Add discord_id column
+        cursor.execute("ALTER TABLE users ADD COLUMN discord_id VARCHAR(100)")
+        print("✓ Added discord_id column")
+    except sqlite3.OperationalError as e:
+        if "duplicate column name" in str(e):
+            print("✓ discord_id column already exists")
+        else:
+            raise
+    
+    try:
+        # Add profile_picture column
+        cursor.execute("ALTER TABLE users ADD COLUMN profile_picture VARCHAR(500)")
+        print("✓ Added profile_picture column")
+    except sqlite3.OperationalError as e:
+        if "duplicate column name" in str(e):
+            print("✓ profile_picture column already exists")
+        else:
+            raise
+    
+    conn.commit()
+    conn.close()
+    print("✓ Migration complete!")
+
+if __name__ == "__main__":
+    migrate()