Folder picker: create a new folder (new automation, new chat)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -3,6 +3,13 @@
 All notable changes to CodeCraft. Versions follow [Semantic Versioning](https://semver.org/);
 until 1.0, minor versions may contain breaking changes.
 
+## [Unreleased]
+
+### Added
+
+- **New folder in the folder picker:** creating an automation or a chat, *New folder* creates a
+  subfolder of the shown folder and selects it.
+
 ## [v202611-00013] – 2026-11-10
 
 ### Added