Ashfall NeoForge runtime hotfix 20260621

Ashfall NeoForge runtime hotfix for beta tester install/gameplay.

Fixes:

• Excludes native-loader SLF4J/com.mojang logging shim classes from the echoashfallprotocol NeoForge jar.
• Defers MissionRegistry item stack materialization until Minecraft item components are bound.

Verification:

• Gradle :echoashfallprotocol:jar passed.
• Module release verification passed.
• NeoForge artifact checked clean for org/slf4j and com/mojang/logging shim packages.
• Dev-direct Ashfall NeoForge quickplay smoke reached New World gameplay after the local patched jar.