"player_name": "Emma", "relationship_liam": 80, "relationship_noah": 30, "relationship_caleb": 20, "inventory": ["rose", "lily"], ...
If you want to provide an in-game interface to edit these files directly, you would need to parse the file, modify the relevant data, and then save it back. This could be complex and risky, as save files can contain complex data structures. renpy edit save file link
A list of variables will appear. Look for keywords like gold , points , affinity , or health . Change the numbers to your desired value. modify the relevant data