* gui: add selectable project scope to workspace sidebar

* gui: preserve hidden selection and match displayed project choices

* gui: retain scoped task lineage and explicit group expansion

* docs: retain project sidebar verification and native renders

* docs: record project sidebar PR delivery

* gui: retain project scope when navigation follows a failed refresh

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Co-authored-by: Lucenx9 <185146821+Lucenx9@users.noreply.github.com>