Convergence Core 0.1.2

• Restored the previous main background color (#071724) in both skins.
• Matched the Classic logo circle's backing to the app background, keeping the transparent logo at its existing size and position.
• Retained the updated round minimap icon and Ellesmere UI nesting.

Mixed typography, other colors, layouts, existing preferences and guild data are unchanged. No saved-data schema or sync protocol changes.