feat(gui): add side panel auto-width option #4862
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PR Description
Please check if the PR fulfills these requirements
go generate ./...
)This introduces a new configuration setting,
gui.sidePanelAutoWidth
, to solve the problem of long or deeply nested filenames being truncated in the files panel.When enabled, the application now calculates the required width to display
the longest visible line in the file tree, accounting for the git status,
tree indentation, and the filename itself.
This calculated width is then used to set a fixed size for the side panel, ensuring that file content is fully visible. The width is capped at a half of the total screen width to maintain a balanced layout and prevent a single long file from dominating the UI.
This commit includes the necessary logic and updates to the configuration documentation.