style(simulation): cargo fmt + fix clippy doc-nested-refdefs warning

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/src/lib.rs

@@ -2,7 +2,6 @@
 // Rust/bevy_ecs simulation server for D-010 client-server architecture
 
 pub mod bridge;
-pub mod tick_phases;
 pub mod cause_chain;
 pub mod knowledge;
 pub mod npc;
@@ -10,6 +9,7 @@ pub mod perception;
 pub mod settings;
 pub mod simulation;
 pub mod storyteller;
+pub mod tick_phases;
 pub mod voice;
 // test_world::reset is always compiled (used by simulation::input).
 // Room definitions, constants, and setup_gauntlet are gated behind