commit-system was inserting bodies/stations but never writing proper_name
to star_systems. Bulk-updated all 276 authored system names. Fixed duplicate
body_id collisions in GJ 1156, GJ 139, GJ 34A, GJ 34B, GJ 661A, GJ 664,
GJ 780 (planet and gas giant sharing same letter suffix).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>