[Feature request] Persistent form or form manager (Save forms and automatic fill) in text2img

[widowert]

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Persistent form or Form manager where to save the form state with all the data and to be able to load it again in a simple and fast way.

When the web interface crashes, all entered data (positive and negative prompt, sampling steps, sampler...) are lost. To avoid Copy Paste it would be convenient to have a Form manager where to save the form state with all the data and to be able to load it again in a simple and fast way.

The simple solution is to remember the last form data in a persistent way.

The complex solution is to create a Prompts manager in a new window of the form where to have all the prompts that have been saved and to be able to load them directly. This way sharing them is also easier.

[GatesDA]

There's already a feature request for a prompt manager at #3123. Forms that persist across reloads sound handy even if there is a manager, though.

If you want to save all the settings rather than text fragments, manually-saved images fill a similar role. I made a pull request (#3323) to view those in the History tab for convenience.