style: apply cargo fmt to entire codebase

Standardize code formatting across all 173 Rust source files
using rustfmt. No functional changes - purely cosmetic.

This establishes a consistent code style baseline for the
project going forward.

src/domain/repositories/folder_repository.rs

@@ -10,9 +10,9 @@
 
 use async_trait::async_trait;
 
+use crate::common::errors::DomainError;
 use crate::domain::entities::folder::Folder;
 use crate::domain::services::path_service::StoragePath;
-use crate::common::errors::DomainError;
 
 /// Domain port for folder persistence.
 ///
@@ -21,38 +21,46 @@ use crate::common::errors::DomainError;
 #[async_trait]
 pub trait FolderRepository: Send + Sync + 'static {
     /// Creates a new folder
-    async fn create_folder(&self, name: String, parent_id: Option<String>) -> Result<Folder, DomainError>;
-    
+    async fn create_folder(
+        &self,
+        name: String,
+        parent_id: Option<String>,
+    ) -> Result<Folder, DomainError>;
+
     /// Gets a folder by its ID
     async fn get_folder(&self, id: &str) -> Result<Folder, DomainError>;
-    
+
     /// Gets a folder by its storage path
     async fn get_folder_by_path(&self, storage_path: &StoragePath) -> Result<Folder, DomainError>;
-    
+
     /// Lists folders within a parent folder
     async fn list_folders(&self, parent_id: Option<&str>) -> Result<Vec<Folder>, DomainError>;
-    
+
     /// Lists folders with pagination
     async fn list_folders_paginated(
-        &self, 
+        &self,
         parent_id: Option<&str>,
         offset: usize,
         limit: usize,
-        include_total: bool
+        include_total: bool,
     ) -> Result<(Vec<Folder>, Option<usize>), DomainError>;
-    
+
     /// Renames a folder
     async fn rename_folder(&self, id: &str, new_name: String) -> Result<Folder, DomainError>;
-    
+
     /// Moves a folder to another parent
-    async fn move_folder(&self, id: &str, new_parent_id: Option<&str>) -> Result<Folder, DomainError>;
-    
+    async fn move_folder(
+        &self,
+        id: &str,
+        new_parent_id: Option<&str>,
+    ) -> Result<Folder, DomainError>;
+
     /// Deletes a folder
     async fn delete_folder(&self, id: &str) -> Result<(), DomainError>;
-    
+
     /// Checks if a folder exists at the given path
     async fn folder_exists(&self, storage_path: &StoragePath) -> Result<bool, DomainError>;
-    
+
     /// Gets the path of a folder
     async fn get_folder_path(&self, id: &str) -> Result<StoragePath, DomainError>;
 
@@ -62,7 +70,11 @@ pub trait FolderRepository: Send + Sync + 'static {
     async fn move_to_trash(&self, folder_id: &str) -> Result<(), DomainError>;
 
     /// Restores a folder from the trash to its original location
-    async fn restore_from_trash(&self, folder_id: &str, original_path: &str) -> Result<(), DomainError>;
+    async fn restore_from_trash(
+        &self,
+        folder_id: &str,
+        original_path: &str,
+    ) -> Result<(), DomainError>;
 
     /// Permanently deletes a folder (used by the trash)
     async fn delete_folder_permanently(&self, folder_id: &str) -> Result<(), DomainError>;