CTR Native Expanded v0.3.0

What's Changed

• Reserve meter by @thecodingbob in #34
• Implement extended adventure mode character select by @thecodingbob in #36
• Multiplayer Oxide Station option by @thecodingbob in #37
• Full multiplayer quality by @thecodingbob in #38
• Add unlock Oxide option by @thecodingbob in #39
• Merge upstream 2026 09 18 by @thecodingbob in #41

Full Changelog: v0.2.0...v0.3.0