move-server.sh: --tools-dir for agent installs and /tmp on a separate disk

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

CHANGELOG.md

@@ -3,6 +3,12 @@
 All notable changes to CodeCraft. Versions follow [Semantic Versioning](https://semver.org/);
 until 1.0, minor versions may contain breaking changes.
 
+## [Unreleased]
+
+### Added
+
+- `scripts/move-server.sh --tools-dir DIR`: agent home, users' homes and `/tmp` on a separate disk.
+
 ## [v202611-00005] – 2026-11-09
 
 ### Fixed