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/domain/src/cms/conversation.rs

@@ -11,5 +11,5 @@
 //! - `ChatMessage` — a single message with role, content, and tool metadata
 //! - `Role` — message role enum (User, Assistant, System, Tool)
 
-pub use crate::core::message::{ChatMessage, Role};
 pub use crate::core::conversation::Conversation;
+pub use crate::core::message::{ChatMessage, Role};

apps/domain/src/cms/mod.rs

@@ -32,6 +32,7 @@ pub mod settings;
 pub use app_config::AppConfig;
 pub use app_config::ModelRole;
 pub use app_config::ProviderConfig;
+pub use commands::{NewMemory, SettingsPatch};
 pub use conversation::Conversation;
 pub use edit_log::EditLog;
 pub use edit_log::EditLogEntry;
@@ -46,7 +47,6 @@ pub use repository::SettingsRepository;
 pub use service::ConversationService;
 pub use service::MemoryService;
 pub use service::SettingsService;
-pub use commands::{NewMemory, SettingsPatch};
 pub use settings::InternetMode;
 pub use settings::Settings;
 pub use settings::SettingsFlags;

apps/domain/src/cms/repository.rs

@@ -56,11 +56,7 @@ pub trait ConversationRepository {
     fn load(&self, session_dir: &Path) -> Result<Conversation, RepositoryError>;
 
     /// Persist a `Conversation` to the given session directory.
-    fn save(
-        &self,
-        session_dir: &Path,
-        conversation: &Conversation,
-    ) -> Result<(), RepositoryError>;
+    fn save(&self, session_dir: &Path, conversation: &Conversation) -> Result<(), RepositoryError>;
 }
 
 /// Persistence contract for `Memory` (long-term agent memory entries).

apps/domain/src/cms/service.rs

@@ -44,11 +44,7 @@ pub trait ConversationService {
     fn save_conversation(&self, conv: &Conversation) -> Result<(), ServiceError>;
 
     /// Append a single `ChatMessage` to the conversation and persist.
-    fn add_message(
-        &self,
-        conv: &mut Conversation,
-        msg: ChatMessage,
-    ) -> Result<(), ServiceError>;
+    fn add_message(&self, conv: &mut Conversation, msg: ChatMessage) -> Result<(), ServiceError>;
 }
 
 /// Use-cases for long-term memory management.