---

find ~/.local/share -name "shared_preferences.json" | xargs -I{} python3 -c "
import json,sys
path='{}'
f=open(path,'r+')
d=json.load(f)
d['flutter.service-mode']='system-proxy'
f.seek(0); json.dump(d,f); f.truncate(); f.close()
print('OK:',path)
"