4 years ago node are valid
It’s amazing !!!
but I want to manage my nodes and update my ESPHOME nodes.
plz help me how to add and how to recover yaml : )
thx for reading
Not sure to understand properly your issue but you just click Edit and you can then edit/update your sketh 
If you don’t have anymore sketches you’ll need to rewrite them from scratch (you can’t get them from ESP as it contains only compiled code !
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You can get them from your backup 
You should actually really update them as they contain known vulnerabilities as of today which could be exploited wirelessly 