Thank you for this mod.
EDIT: I encounter on client side a problem, endless loop.

Caught error loading resourcepacks, removing all selected resourcepacks
java.util.concurrent.CompletionException: java.lang.IllegalStateException: Redundant texture list for particle froggy_flies:firefly
at Not Enough Crashes deobfuscated stack trace.(1.19.3+build.4)
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1770)
at java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760)
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: java.lang.IllegalStateException: Redundant texture list for particle froggy_flies:firefly
at net.minecraft.client.particle.ParticleManager.loadTextureList(ParticleManager:309)
at net.minecraft.client.particle.ParticleManager.method_45770(ParticleManager:244)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
... 6 more

try using MixinTrace instead of NEC, might be more understanding because it would say what causing what