Allow exact compatibility float assertions

crates/libremetaverse/src/client_core.rs

@@ -734,6 +734,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::float_cmp)] // Exact representable constants are the compatibility contract.
     fn defaults_match_reference_and_validate() {
         let settings = Settings::defaults();
         assert_eq!(

crates/libremetaverse/tests/udp_transport.rs

@@ -119,6 +119,7 @@ fn incoming_packet_archive_is_bounded_and_rejects_duplicates() {
 }
 
 #[test]
+#[allow(clippy::float_cmp)] // Exact representable throttle values are the golden contract.
 fn agent_throttle_clamps_and_round_trips_golden_little_endian_values() {
     let throttle = AgentThrottle::default();
     assert_eq!(throttle.resend(), 150_000.0);