Add duplicate (Ctrl+D) and copy/paste (Ctrl+C/V) with undo support

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Duplicate clones selected actors with a small offset and selects the copies.
Copy stores actor class and relative transforms in an internal clipboard.
Paste spawns clipboard contents in front of the camera preserving relative positions.
All operations are tracked by SpawnManager and fully undoable/redoable.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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j.foucher

2026-04-11 13:08:13 +02:00

parent 7ef566f3f3

commit 11945e90d2

8 changed files with 266 additions and 0 deletions

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