fix#13459fix#13707fix#13924
#### PR Dependency Tree
* **PR #14394** 👈
This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)
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## Summary by CodeRabbit
* **New Features**
* Improved URL paste: text is split into segments, inserted correctly,
and single-URL pastes create linked-page references.
* **UI Improvements**
* Redesigned layout selector with compact dynamic options.
* Number-format options are always available in table headers and mobile
menus.
* **Bug Fixes**
* More consistent paste behavior for mixed text+URL content.
* Prevented recursive selection updates when exiting edit mode.
* **Tests**
* Added tests for URL splitting, paste insertion, number formatting, and
selection behavior.
* **Chores**
* Removed number-formatting feature flag; formatting now applied by
default.
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