Release v1.0.0: protocol freeze, replay testing, fuzzing and audit readiness

fuzz/fuzz_targets/environment.rs

@@ -0,0 +1,6 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    let _ = shared::gene::decode_environment(data);
+});