Remove storyline/scene NPC binding and export chosen NPCs with relations/groups. Harden export modal so a missing npcs payload no longer blacks out the editor.
Co-authored-by: Cursor <cursoragent@cursor.com>
Nested NPC groups with color, graph filter, and scene/storyline binding; Foundry worlds/modules import actors into groups; storyline merge asks on NPC name conflicts and reports NPC counts.
Co-authored-by: Cursor <cursoragent@cursor.com>