style: format seluruh workspace dengan cargo fmt

Menyeragamkan format kode sesuai rustfmt (126 file). Sebelumnya
lefthook pre-commit 'cargo fmt --check' akan gagal pada commit apa pun.

apps/application/src/lib.rs

@@ -30,10 +30,10 @@
 //! the use-case logic independent of any specific persistence or infrastructure
 //! technology.
 
+pub mod agent;
 pub mod auth;
 pub mod cms;
 pub mod ports;
-pub mod agent;
 
 // Re-export port traits for ergonomic access.
 pub use ports::*;
@@ -46,12 +46,11 @@ pub use auth::{
 
 // Re-export CMS use-cases.
 pub use cms::{
-    conversation_service::ConversationServiceImpl,
-    memory_service::MemoryServiceImpl,
+    conversation_service::ConversationServiceImpl, memory_service::MemoryServiceImpl,
     settings_service::SettingsServiceImpl,
 };
 
 pub use agent::{
+    turn_service::{compact_messages_with_ai, AgentTurnServiceImpl},
     AgentTurnService, ExploreOutput, ExploreService, ToolExecutor,
-    turn_service::{AgentTurnServiceImpl, compact_messages_with_ai},
 };