[Tracking]: Save from Controls

[valentinpalkovic]

This issue monitors and documents work on the "Save from Controls" feature, a mechanism for saving new stories from controls for existing story files and generating new story files from the manager UI.

Feature branch: https://github.com/storybookjs/storybook/tree/save-from-controls

0. Milestone: Preparations

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1. [Project SfC]: Implement a formatter to format new/edited files #26804
   core +1
   

1. Milestone: Save from Controls

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1. [Project SfC]: Create a server channel API to edit the args of a story or to create a new story #26657
   0 of 2
   feature request +1
   
2. [Project SfC]: Create a toolbar to save arguments for existing or new stories #26661
   1 of 1
   feature request +1
   
3. [Project SfC]: Testing #26861
   15 of 15
   +0
   

2. Milestone: Trigger Generation of new Story files from the UI

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1. [Project SfC]: Provide a server channel API to get a list of files on the filesystem #26660
   feature request +1
   
2. [Project SfC]: Create a server channel API to create new story files triggered by the manager UI #26658
   1 of 1
   feature request +1
   
3. [Project SfC]: Integrate a new Icon in the manager's sidebar to trigger the "Generation of new Stories" flow #26788
   feature request +1
   
4. [Project SfC]: Preview - Error screen adjustments #26840
   feature request +1
   
5. [Project SfC]: Create the frontend to create a new story file from scratch #26847
   feature request +1
   
6. Apply the final design

Miscellaneous

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1. [Project SfC]: Tracking Ticket for Bugs #26969
   7 of 7
   +0