Combine Workshop addon and fix prison startup

Merge owned systems into one addon while preserving resource identities. Gate player admission on the replicated prison scene, restore the original framed door, and hold enemy AI until escape. Correct scenario branding and author metadata, include publishing assets, and retain regression and native verification evidence.

tests/test_settings_migration.py

@@ -41,7 +41,7 @@ with tempfile.TemporaryDirectory() as tmp:
  assert 'successor capped at one initial convoy' in preview.stderr and legacy.read_bytes()==original
 
 # Test the actual runtime validator against the migration schema at each boundary.
-validator=body(BASE/'addons/core/Scripts/Game/ERR/ERR_Settings.c','static bool Valid(').replace('string key','std::string key')
+validator=body(BASE/'addons/core/Scripts/Game/ERR/00_Core/ERR_Settings.c','static bool Valid(').replace('string key','std::string key')
 checks=[]
 for key,(_,lo,hi) in m.SCHEMA.items():
  for value,expected in [(lo-1,False),(lo,True),(hi,True),(hi+1,False)]: