Parallelized mod builds

- Mod targets run through bounded Gradle workers with separate caches and daemon slots
- Target logs retain verification failures and bounded output summaries
- Nested tests use bounded forks and JVM thread counts
- Lifecycle tests control deadlines through injected clocks

gradle.properties

@@ -17,6 +17,7 @@
 #
 org.gradle.daemon=true
 org.gradle.parallel=true
+org.gradle.workers.max=32
 org.gradle.jvmargs=-Xmx3072m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.caching=true
 org.gradle.configureondemand=false