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/file_repository.rs

@@ -15,9 +15,9 @@ use async_trait::async_trait;
 use bytes::Bytes;
 use futures::Stream;
 
+use crate::common::errors::DomainError;
 use crate::domain::entities::file::File;
 use crate::domain::services::path_service::StoragePath;
-use crate::common::errors::DomainError;
 
 // ─────────────────────────────────────────────────────
 // FileReadRepository — read/query operations
@@ -98,17 +98,14 @@ pub trait FileWriteRepository: Send + Sync + 'static {
     ) -> Result<File, DomainError>;
 
     /// Renames a file (same folder, different name).
-    async fn rename_file(
-        &self,
-        file_id: &str,
-        new_name: &str,
-    ) -> Result<File, DomainError>;
+    async fn rename_file(&self, file_id: &str, new_name: &str) -> Result<File, DomainError>;
 
     /// Deletes a file.
     async fn delete_file(&self, id: &str) -> Result<(), DomainError>;
 
     /// Updates the content of an existing file.
-    async fn update_file_content(&self, file_id: &str, content: Vec<u8>) -> Result<(), DomainError>;
+    async fn update_file_content(&self, file_id: &str, content: Vec<u8>)
+    -> Result<(), DomainError>;
 
     /// Registers file metadata WITHOUT writing content to disk (write-behind).
     ///
@@ -128,7 +125,11 @@ pub trait FileWriteRepository: Send + Sync + 'static {
     async fn move_to_trash(&self, file_id: &str) -> Result<(), DomainError>;
 
     /// Restores a file from the trash to its original location
-    async fn restore_from_trash(&self, file_id: &str, original_path: &str) -> Result<(), DomainError>;
+    async fn restore_from_trash(
+        &self,
+        file_id: &str,
+        original_path: &str,
+    ) -> Result<(), DomainError>;
 
     /// Permanently deletes a file (used by the trash)
     async fn delete_file_permanently(&self, file_id: &str) -> Result<(), DomainError>;