style: apply rustfmt formatting to fix CI

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/application/ports/chunked_upload_ports.rs

@@ -80,7 +80,11 @@ pub trait ChunkedUploadPort: Send + Sync + 'static {
     ) -> Result<ChunkUploadResponseDto, DomainError>;
 
     /// Get the current status of an upload session.
-    async fn get_status(&self, upload_id: &str, user_id: &str) -> Result<UploadStatusResponseDto, DomainError>;
+    async fn get_status(
+        &self,
+        upload_id: &str,
+        user_id: &str,
+    ) -> Result<UploadStatusResponseDto, DomainError>;
 
     /// Assemble all chunks into the final file.
     ///

src/application/ports/share_ports.rs

@@ -16,11 +16,7 @@ pub trait ShareUseCase: Send + Sync + 'static {
     ) -> Result<ShareDto, DomainError>;
 
     /// Get a shared link by its ID (ownership-verified)
-    async fn get_shared_link(
-        &self,
-        id: &str,
-        requester_id: &str,
-    ) -> Result<ShareDto, DomainError>;
+    async fn get_shared_link(&self, id: &str, requester_id: &str) -> Result<ShareDto, DomainError>;
 
     /// Get a shared link by its token (for access by non-users)
     async fn get_shared_link_by_token(&self, token: &str) -> Result<ShareDto, DomainError>;

src/application/services/admin_settings_service.rs

@@ -384,10 +384,7 @@ impl AdminSettingsService {
     /// initialized (the caller "won" the race), or `Ok(false)` if another
     /// request already did it.  This eliminates the race-condition window
     /// between `is_system_initialized()` and `mark_system_initialized()`.
-    pub async fn try_claim_initialization(
-        &self,
-        admin_user_id: &str,
-    ) -> Result<bool, DomainError> {
+    pub async fn try_claim_initialization(&self, admin_user_id: &str) -> Result<bool, DomainError> {
         self.settings_repo
             .try_claim_initialization(admin_user_id)
             .await

src/application/services/batch_operations.rs

@@ -682,7 +682,11 @@ impl BatchOperationService {
 
         // ── Add folders as sub-trees (bulk subtree queries, not N+1) ─────
         for folder_id in &folder_ids {
-            match self.folder_service.get_folder_owned(folder_id, caller_id).await {
+            match self
+                .folder_service
+                .get_folder_owned(folder_id, caller_id)
+                .await
+            {
                 Ok(root_folder) => {
                     if let Err(e) = self
                         .add_folder_subtree_to_zip(&mut zip, folder_id, &root_folder, caller_id)
@@ -928,7 +932,9 @@ impl BatchOperationService {
 
             async move {
                 // If a parent is specified, verify the caller owns it
-                if let Some(ref pid) = parent_id && let Err(e) = folder_service.get_folder_owned(pid, &caller).await {
+                if let Some(ref pid) = parent_id
+                    && let Err(e) = folder_service.get_folder_owned(pid, &caller).await
+                {
                     let id = format!("{}:{}", name, pid);
                     return (id, Err(e));
                 }

src/application/services/file_retrieval_service.rs

@@ -228,7 +228,10 @@ impl FileRetrievalUseCase for FileRetrievalService {
         folder_id: Option<&str>,
         owner_id: &str,
     ) -> Result<Vec<FileDto>, DomainError> {
-        let files = self.file_read.list_files_for_owner(folder_id, owner_id).await?;
+        let files = self
+            .file_read
+            .list_files_for_owner(folder_id, owner_id)
+            .await?;
         Ok(files.into_iter().map(FileDto::from).collect())
     }
 

src/application/services/folder_service.rs

@@ -32,7 +32,11 @@ impl FolderService {
                 Ok(FolderDto::empty())
             }
 
-            async fn get_folder_owned(&self, _id: &str, _caller_id: &str) -> Result<FolderDto, DomainError> {
+            async fn get_folder_owned(
+                &self,
+                _id: &str,
+                _caller_id: &str,
+            ) -> Result<FolderDto, DomainError> {
                 Ok(FolderDto::empty())
             }
 

src/application/services/share_service.rs

@@ -20,7 +20,10 @@ use crate::{
             storage_ports::FileReadPort,
         },
     },
-    common::{config::AppConfig, errors::{DomainError, ErrorKind}},
+    common::{
+        config::AppConfig,
+        errors::{DomainError, ErrorKind},
+    },
     domain::entities::share::{Share, ShareItemType, SharePermissions},
 };
 
@@ -147,11 +150,7 @@ impl ShareService {
     /// but belongs to a different user — this prevents share-ID enumeration
     /// attacks where an attacker probes IDs and uses 403-vs-404 to learn
     /// which ones are valid.
-    async fn fetch_owned_share(
-        &self,
-        id: &str,
-        requester_id: &str,
-    ) -> Result<Share, DomainError> {
+    async fn fetch_owned_share(&self, id: &str, requester_id: &str) -> Result<Share, DomainError> {
         let share = self
             .share_repository
             .find_share_by_id_for_user(id, requester_id)
@@ -206,11 +205,7 @@ impl ShareUseCase for ShareService {
         Ok(ShareDto::from_entity(&saved_share, &self.config.base_url()))
     }
 
-    async fn get_shared_link(
-        &self,
-        id: &str,
-        requester_id: &str,
-    ) -> Result<ShareDto, DomainError> {
+    async fn get_shared_link(&self, id: &str, requester_id: &str) -> Result<ShareDto, DomainError> {
         // SECURITY: ownership-verified lookup — returns 404 if the share
         // doesn't exist OR belongs to another user.
         let share = self.fetch_owned_share(id, requester_id).await?;
@@ -553,7 +548,11 @@ mod tests {
             Ok(ShareDto::from_entity(&saved_share, &self.config.base_url()))
         }
 
-        async fn get_shared_link(&self, id: &str, requester_id: &str) -> Result<ShareDto, DomainError> {
+        async fn get_shared_link(
+            &self,
+            id: &str,
+            requester_id: &str,
+        ) -> Result<ShareDto, DomainError> {
             let share = self
                 .share_repository
                 .find_share_by_id_for_user(id, requester_id)
@@ -634,7 +633,11 @@ mod tests {
             Ok(ShareDto::from_entity(&updated, &self.config.base_url()))
         }
 
-        async fn delete_shared_link(&self, id: &str, requester_id: &str) -> Result<(), DomainError> {
+        async fn delete_shared_link(
+            &self,
+            id: &str,
+            requester_id: &str,
+        ) -> Result<(), DomainError> {
             self.share_repository
                 .delete_share_for_user(id, requester_id)
                 .await

src/application/services/trash_service.rs

@@ -186,7 +186,11 @@ impl TrashUseCase for TrashService {
                 // Returns NotFound if the file does not exist OR belongs to
                 // another user, preventing cross-user trash operations.
                 debug!("Getting file data (owner-scoped): {}", item_id);
-                let file = match self.file_read_port.get_file_for_owner(item_id, user_id).await {
+                let file = match self
+                    .file_read_port
+                    .get_file_for_owner(item_id, user_id)
+                    .await
+                {
                     Ok(file) => {
                         debug!("File found: {} ({})", file.name(), item_id);
                         file

src/common/stubs.rs

@@ -359,7 +359,11 @@ impl FolderUseCase for StubFolderUseCase {
         Ok(FolderDto::default())
     }
 
-    async fn get_folder_owned(&self, _id: &str, _caller_id: &str) -> Result<FolderDto, DomainError> {
+    async fn get_folder_owned(
+        &self,
+        _id: &str,
+        _caller_id: &str,
+    ) -> Result<FolderDto, DomainError> {
         Ok(FolderDto::default())
     }
 

src/domain/entities/user.rs

@@ -292,8 +292,10 @@ impl User {
             ));
         }
         // Disallow leading/trailing dots or hyphens
-        if username.starts_with('.') || username.starts_with('-')
-            || username.ends_with('.') || username.ends_with('-')
+        if username.starts_with('.')
+            || username.starts_with('-')
+            || username.ends_with('.')
+            || username.ends_with('-')
         {
             return Err(UserError::InvalidUsername(
                 "Username must not start or end with a dot or hyphen".to_string(),
@@ -310,7 +312,9 @@ impl User {
     fn validate_email(email: &str) -> UserResult<()> {
         let parts: Vec<&str> = email.splitn(2, '@').collect();
         if parts.len() != 2 {
-            return Err(UserError::ValidationError("Invalid email: missing @".to_string()));
+            return Err(UserError::ValidationError(
+                "Invalid email: missing @".to_string(),
+            ));
         }
         let (local, domain) = (parts[0], parts[1]);
         if local.is_empty() || domain.is_empty() {
@@ -324,7 +328,9 @@ impl User {
             ));
         }
         // Reject characters commonly used in XSS / header injection
-        let forbidden = ['<', '>', '"', '\'', '\\', ' ', '\t', '\n', '\r', '(', ')', ',', ';'];
+        let forbidden = [
+            '<', '>', '"', '\'', '\\', ' ', '\t', '\n', '\r', '(', ')', ',', ';',
+        ];
         if email.chars().any(|c| forbidden.contains(&c)) {
             return Err(UserError::ValidationError(
                 "Invalid email: contains forbidden characters".to_string(),

src/domain/repositories/settings_repository.rs

@@ -34,10 +34,7 @@ pub trait SettingsRepository: Send + Sync + 'static {
     /// The default implementation falls back to the non-atomic
     /// get-then-set pattern for repositories that don't support a native
     /// atomic upsert.
-    async fn try_claim_initialization(
-        &self,
-        admin_user_id: &str,
-    ) -> Result<bool, DomainError> {
+    async fn try_claim_initialization(&self, admin_user_id: &str) -> Result<bool, DomainError> {
         // Default: non-atomic fallback (overridden by PG implementation)
         match self.get("system_initialized").await? {
             Some(v) if v == "true" => Ok(false),

src/infrastructure/repositories/pg/file_blob_read_repository.rs

@@ -325,9 +325,7 @@ impl FileReadPort for FileBlobReadRepository {
             .fetch_all(self.pool.as_ref())
             .await
         }
-        .map_err(|e| {
-            DomainError::internal_error("FileBlobRead", format!("list_for_owner: {e}"))
-        })?;
+        .map_err(|e| DomainError::internal_error("FileBlobRead", format!("list_for_owner: {e}")))?;
 
         rows.into_iter()
             .map(|(id, name, fid, fpath, size, mime, ca, ma, uid)| {

src/infrastructure/repositories/pg/folder_db_repository.rs

@@ -868,7 +868,9 @@ impl FolderRepository for FolderDbRepository {
         user_id: &str,
     ) -> Result<Vec<Folder>, DomainError> {
         let (where_extra, name_pattern) = match name_contains {
-            Some(name) if name.len() >= 3 => (" AND fo.name ILIKE $3", Some(super::like_escape(name))),
+            Some(name) if name.len() >= 3 => {
+                (" AND fo.name ILIKE $3", Some(super::like_escape(name)))
+            }
             _ => ("", None),
         };
 

src/infrastructure/repositories/pg/mod.rs

@@ -50,6 +50,9 @@ pub use user_pg_repository::UserPgRepository;
 /// `%` is a wildcard in LIKE patterns.
 #[inline]
 pub fn like_escape(raw: &str) -> String {
-    let escaped = raw.replace('\\', "\\\\").replace('%', "\\%").replace('_', "\\_");
+    let escaped = raw
+        .replace('\\', "\\\\")
+        .replace('%', "\\%")
+        .replace('_', "\\_");
     format!("%{escaped}%")
 }

src/infrastructure/repositories/pg/settings_pg_repository.rs

@@ -102,10 +102,7 @@ impl SettingsRepository for SettingsPgRepository {
     ///
     /// Only the first caller that inserts the row gets `rows_affected == 1`;
     /// concurrent callers see 0 rows affected and receive `false`.
-    async fn try_claim_initialization(
-        &self,
-        admin_user_id: &str,
-    ) -> Result<bool, DomainError> {
+    async fn try_claim_initialization(&self, admin_user_id: &str) -> Result<bool, DomainError> {
         let result = sqlx::query(
             "INSERT INTO auth.admin_settings (key, value, category, is_secret, updated_by, updated_at)
              VALUES ('system_initialized', 'true', 'system', false, $1, NOW())

src/infrastructure/repositories/pg/share_pg_repository.rs

@@ -202,10 +202,7 @@ impl ShareStoragePort for SharePgRepository {
                 .await
                 .map_err(|e| {
                     tracing::error!("Database error deleting share for user: {}", e);
-                    DomainError::internal_error(
-                        "Share",
-                        format!("Failed to delete share: {e}"),
-                    )
+                    DomainError::internal_error("Share", format!("Failed to delete share: {e}"))
                 })?;
 
         if result.rows_affected() == 0 {
@@ -242,10 +239,7 @@ impl ShareStoragePort for SharePgRepository {
         .await
         .map_err(|e| {
             tracing::error!("Database error finding shares by item for user: {}", e);
-            DomainError::internal_error(
-                "Share",
-                format!("Failed to find shares by item: {e}"),
-            )
+            DomainError::internal_error("Share", format!("Failed to find shares by item: {e}"))
         })?;
 
         rows.iter().map(Self::row_to_entity).collect()

src/infrastructure/services/chunked_upload_service.rs

@@ -371,11 +371,7 @@ impl ChunkedUploadService {
 
     /// Verify that the given session belongs to the given user.
     /// Returns 404 (not 403) to avoid revealing the existence of other users' sessions.
-    fn verify_session_owner(
-        &self,
-        upload_id: &str,
-        user_id: &str,
-    ) -> Result<(), String> {
+    fn verify_session_owner(&self, upload_id: &str, user_id: &str) -> Result<(), String> {
         let session = self
             .sessions
             .get(upload_id)
@@ -592,7 +588,11 @@ impl ChunkedUploadService {
     }
 
     /// Get upload status
-    async fn get_status_inner(&self, upload_id: &str, user_id: &str) -> Result<UploadStatusResponseDto, String> {
+    async fn get_status_inner(
+        &self,
+        upload_id: &str,
+        user_id: &str,
+    ) -> Result<UploadStatusResponseDto, String> {
         self.verify_session_owner(upload_id, user_id)?;
 
         let session = self
@@ -808,7 +808,14 @@ impl ChunkedUploadPort for ChunkedUploadService {
         total_size: u64,
         chunk_size: Option<usize>,
     ) -> Result<CreateUploadResponseDto, DomainError> {
-        self.create_session_inner(user_id.to_owned(), filename, folder_id, content_type, total_size, chunk_size)
+        self.create_session_inner(
+            user_id.to_owned(),
+            filename,
+            folder_id,
+            content_type,
+            total_size,
+            chunk_size,
+        )
         .await
         .map_err(|e| DomainError::new(ErrorKind::InternalError, "ChunkedUpload", e))
     }
@@ -826,7 +833,11 @@ impl ChunkedUploadPort for ChunkedUploadService {
             .map_err(|e| DomainError::new(ErrorKind::InternalError, "ChunkedUpload", e))
     }
 
-    async fn get_status(&self, upload_id: &str, user_id: &str) -> Result<UploadStatusResponseDto, DomainError> {
+    async fn get_status(
+        &self,
+        upload_id: &str,
+        user_id: &str,
+    ) -> Result<UploadStatusResponseDto, DomainError> {
         self.get_status_inner(upload_id, user_id)
             .await
             .map_err(|e| DomainError::new(ErrorKind::NotFound, "ChunkedUpload", e))
@@ -1097,14 +1108,19 @@ mod tests {
         assert_eq!(r1.bytes_received, 1024);
 
         // 3. Status check
-        let status = service.get_status_inner(&id, "test-user").await.expect("status");
+        let status = service
+            .get_status_inner(&id, "test-user")
+            .await
+            .expect("status");
         assert!(status.is_complete);
         assert_eq!(status.completed_chunks, 2);
         assert!(status.pending_chunks.is_empty());
 
         // 4. Complete (assemble)
-        let (path, filename, _folder, _ct, size, hash) =
-            service.complete_upload_inner(&id, "test-user").await.expect("complete");
+        let (path, filename, _folder, _ct, size, hash) = service
+            .complete_upload_inner(&id, "test-user")
+            .await
+            .expect("complete");
         assert_eq!(filename, "test.txt");
         assert_eq!(size, 1024);
         assert!(!hash.is_empty());
@@ -1116,7 +1132,10 @@ mod tests {
         assert_eq!(&content[512..], &[b'B'; 512]);
 
         // 6. Finalize
-        service.finalize_upload_inner(&id, "test-user").await.expect("finalize");
+        service
+            .finalize_upload_inner(&id, "test-user")
+            .await
+            .expect("finalize");
         assert_eq!(service.active_sessions().await, 0);
 
         let _ = fs::remove_dir_all(&base).await;

src/infrastructure/services/file_system_i18n_service.rs

@@ -1,8 +1,8 @@
 use serde_json::Value;
 use std::collections::HashMap;
 use std::path::PathBuf;
-use tokio::sync::RwLock;
 use tokio::fs;
+use tokio::sync::RwLock;
 
 use crate::domain::services::i18n_service::{I18nError, I18nResult, I18nService, Locale};
 

src/infrastructure/services/oidc_service.rs

@@ -6,8 +6,8 @@
 //! Compatible with Authentik, Keycloak, and any standard OIDC provider.
 
 use serde::Deserialize;
-use tokio::sync::RwLock;
 use std::time::{Duration, Instant};
+use tokio::sync::RwLock;
 
 use crate::application::ports::auth_ports::{OidcIdClaims, OidcServicePort, OidcTokenSet};
 use crate::common::config::OidcConfig;

src/infrastructure/services/path_resolver_service.rs

@@ -215,7 +215,9 @@ impl PathResolverService {
         .bind(user_id)
         .fetch_one(self.pool.as_ref())
         .await
-        .map_err(|e| DomainError::internal_error("PathResolver", format!("exists_for_user: {e}")))?;
+        .map_err(|e| {
+            DomainError::internal_error("PathResolver", format!("exists_for_user: {e}"))
+        })?;
 
         Ok(exists)
     }

src/infrastructure/services/thumbnail_service_test.rs

@@ -8,10 +8,7 @@ fn tiny_png() -> Vec<u8> {
     let mut img = image::RgbaImage::new(1, 1);
     img.put_pixel(0, 0, image::Rgba([255, 0, 0, 255]));
     let mut buf = Vec::new();
-    img.write_to(
-        &mut std::io::Cursor::new(&mut buf),
-        image::ImageFormat::Png,
-    )
+    img.write_to(&mut std::io::Cursor::new(&mut buf), image::ImageFormat::Png)
         .expect("encode test PNG");
     buf
 }

src/interfaces/api/handlers/auth_handler.rs

@@ -342,7 +342,9 @@ async fn logout(
         .ok()
         .map(|dto| dto.refresh_token)
         .or_else(|| cookie_auth::extract_cookie_value(&headers, cookie_auth::REFRESH_COOKIE))
-        .ok_or_else(|| AppError::unauthorized("Refresh token required for logout (JSON body or cookie)"))?;
+        .ok_or_else(|| {
+            AppError::unauthorized("Refresh token required for logout (JSON body or cookie)")
+        })?;
 
     auth_service
         .auth_application_service

src/interfaces/api/handlers/batch_handler.rs

@@ -164,7 +164,10 @@ pub async fn move_files_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch move_files failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Convert result to DTO
@@ -217,7 +220,10 @@ pub async fn copy_files_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch copy_files failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Convert result to DTO
@@ -270,7 +276,10 @@ pub async fn delete_files_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch delete_files failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Create custom response for string IDs
@@ -331,7 +340,10 @@ pub async fn delete_folders_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch delete_folders failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Create custom response for string IDs
@@ -399,7 +411,10 @@ pub async fn create_folders_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch create_folders failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Convert result to DTO
@@ -452,7 +467,10 @@ pub async fn get_files_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch get_files failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Convert result to DTO
@@ -505,7 +523,10 @@ pub async fn get_folders_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch get_folders failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     // Convert result to DTO
@@ -690,7 +711,10 @@ pub async fn move_folders_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch move_folders failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch operation failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch operation failed".to_string(),
+            )
         })?;
 
     let response: BatchOperationResponse<FolderDto> = result.into();
@@ -727,7 +751,10 @@ pub async fn download_batch(
     if combined_size > MAX_BATCH_SIZE {
         return Err((
             StatusCode::BAD_REQUEST,
-            format!("Batch size {} exceeds maximum of {}", combined_size, MAX_BATCH_SIZE),
+            format!(
+                "Batch size {} exceeds maximum of {}",
+                combined_size, MAX_BATCH_SIZE
+            ),
         ));
     }
 
@@ -737,7 +764,10 @@ pub async fn download_batch(
         .await
         .map_err(|e| {
             tracing::error!("Batch download ZIP failed: {}", e);
-            (StatusCode::INTERNAL_SERVER_ERROR, "Batch download failed".to_string())
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "Batch download failed".to_string(),
+            )
         })?;
 
     // Read file size for Content-Length before splitting ownership

src/interfaces/api/handlers/chunked_upload_handler.rs

@@ -190,7 +190,13 @@ impl ChunkedUploadHandler {
         });
 
         match chunked_service
-            .upload_chunk(&upload_id, &auth_user.id, params.chunk_index, body, checksum)
+            .upload_chunk(
+                &upload_id,
+                &auth_user.id,
+                params.chunk_index,
+                body,
+                checksum,
+            )
             .await
         {
             Ok(response) => {
@@ -213,7 +219,7 @@ impl ChunkedUploadHandler {
                 .unwrap()
                 .into_response()
             }
-            Err(e) => AppError::from(e).into_response()
+            Err(e) => AppError::from(e).into_response(),
         }
     }
 
@@ -261,7 +267,10 @@ impl ChunkedUploadHandler {
 
         // Assemble chunks (hash-on-write: SHA-256 computed during assembly)
         let (assembled_path, filename, folder_id, content_type, total_size, hash) =
-            match chunked_service.complete_upload(&upload_id, &auth_user.id).await {
+            match chunked_service
+                .complete_upload(&upload_id, &auth_user.id)
+                .await
+            {
                 Ok(result) => result,
                 Err(e) => {
                     return AppError::from(e).into_response();
@@ -289,7 +298,9 @@ impl ChunkedUploadHandler {
         {
             Ok(file) => {
                 // Cleanup session
-                let _ = chunked_service.finalize_upload(&upload_id, &auth_user.id).await;
+                let _ = chunked_service
+                    .finalize_upload(&upload_id, &auth_user.id)
+                    .await;
 
                 tracing::info!(
                     "✅ CHUNKED UPLOAD COMPLETE: {} (ID: {}, {} bytes)",
@@ -311,8 +322,7 @@ impl ChunkedUploadHandler {
             }
             Err(e) => {
                 tracing::error!("Failed to create file from assembled upload: {:?}", e);
-                AppError::internal_error(format!("Failed to create file: {}", e))
-                    .into_response()
+                AppError::internal_error(format!("Failed to create file: {}", e)).into_response()
             }
         }
     }
@@ -327,10 +337,14 @@ impl ChunkedUploadHandler {
     ) -> impl IntoResponse {
         let chunked_service = &state.core.chunked_upload_service;
 
-        match chunked_service.cancel_upload(&upload_id, &auth_user.id).await {
+        match chunked_service
+            .cancel_upload(&upload_id, &auth_user.id)
+            .await
+        {
             Ok(_) => StatusCode::NO_CONTENT.into_response(),
-            Err(e) => AppError::internal_error(format!("Failed to cancel upload: {}", e))
-                .into_response(),
+            Err(e) => {
+                AppError::internal_error(format!("Failed to cancel upload: {}", e)).into_response()
+            }
         }
     }
 }

src/interfaces/api/handlers/dedup_handler.rs

@@ -231,9 +231,7 @@ impl DedupHandler {
                         return Response::builder()
                             .status(StatusCode::INTERNAL_SERVER_ERROR)
                             .header(header::CONTENT_TYPE, "application/json")
-                            .body(Body::from(
-                                r#"{"error": "Upload failed"}"#,
-                            ))
+                            .body(Body::from(r#"{"error": "Upload failed"}"#))
                             .unwrap()
                             .into_response();
                     }
@@ -408,9 +406,7 @@ impl DedupHandler {
                 return Response::builder()
                     .status(StatusCode::INTERNAL_SERVER_ERROR)
                     .header(header::CONTENT_TYPE, "application/json")
-                    .body(Body::from(
-                        r#"{"error": "Verification failed"}"#,
-                    ))
+                    .body(Body::from(r#"{"error": "Verification failed"}"#))
                     .unwrap()
                     .into_response();
             }

src/interfaces/api/handlers/file_handler.rs

@@ -106,7 +106,11 @@ impl FileHandler {
                 if let Some(ref fid) = folder_id {
                     use crate::application::ports::inbound::FolderUseCase;
                     let folder_service = &state.applications.folder_service;
-                    if folder_service.get_folder_owned(fid, &auth_user.id).await.is_err() {
+                    if folder_service
+                        .get_folder_owned(fid, &auth_user.id)
+                        .await
+                        .is_err()
+                    {
                         tracing::warn!(
                             "⛔ UPLOAD REJECTED (IDOR): user='{}' attempted upload to folder '{}' owned by another user",
                             auth_user.username,
@@ -323,7 +327,12 @@ impl FileHandler {
         }
 
         // Resolve the actual blob path on disk (not the logical file path).
-        let blob_hash = match state.repositories.file_read_repository.get_blob_hash(&id).await {
+        let blob_hash = match state
+            .repositories
+            .file_read_repository
+            .get_blob_hash(&id)
+            .await
+        {
             Ok(h) => h,
             Err(err) => {
                 return (
@@ -353,10 +362,8 @@ impl FileHandler {
                     .unwrap()
                     .into_response()
             }
-            Err(err) => {
-                AppError::internal_error(format!("Thumbnail generation failed: {}", err))
-                    .into_response()
-            }
+            Err(err) => AppError::internal_error(format!("Thumbnail generation failed: {}", err))
+                .into_response(),
         }
     }
 
@@ -529,9 +536,7 @@ impl FileHandler {
                     .unwrap()
                     .into_response(),
             },
-            Err(err) => {
-                AppError::from(err).into_response()
-            }
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -581,9 +586,7 @@ impl FileHandler {
                     .insert(header::ETAG, header::HeaderValue::from_str(&etag).unwrap());
                 resp
             }
-            Err(err) => {
-                AppError::from(err).into_response()
-            }
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -664,7 +667,7 @@ impl FileHandler {
 
         match result {
             Ok(_) => StatusCode::NO_CONTENT.into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -696,7 +699,7 @@ impl FileHandler {
         let mgmt = &state.applications.file_management_service;
         match mgmt.rename_file_owned(&id, &auth_user.id, &new_name).await {
             Ok(file_dto) => (StatusCode::OK, Json(file_dto)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -716,7 +719,7 @@ impl FileHandler {
             .await
         {
             Ok(file) => (StatusCode::OK, Json(file)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -735,7 +738,7 @@ impl FileHandler {
         let mgmt = &state.applications.file_management_service;
         match mgmt.move_file_owned(&id, &auth_user.id, folder_id).await {
             Ok(file_dto) => (StatusCode::OK, Json(file_dto)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -794,9 +797,7 @@ impl FileHandler {
             })
             .collect();
 
-        format!(
-            "{disposition}; filename=\"{ascii_safe}\"; filename*=UTF-8''{encoded}"
-        )
+        format!("{disposition}; filename=\"{ascii_safe}\"; filename*=UTF-8''{encoded}")
     }
 
     /// Build a 201 Created JSON response.

src/interfaces/api/handlers/folder_handler.rs

@@ -70,19 +70,24 @@ impl FolderHandler {
         // ── SECURITY: Verify parent folder ownership (IDOR V-04 fix) ──
         if let Some(ref parent_id) = dto.parent_id {
             use crate::application::ports::inbound::FolderUseCase;
-            if service.get_folder_owned(parent_id, &auth_user.id).await.is_err() {
+            if service
+                .get_folder_owned(parent_id, &auth_user.id)
+                .await
+                .is_err()
+            {
                 tracing::warn!(
                     "create_folder: user '{}' attempted to create folder in parent '{}' owned by another user",
                     auth_user.username,
                     parent_id,
                 );
-                return AppError::not_found(format!("Parent folder not found: {}", parent_id)).into_response();
+                return AppError::not_found(format!("Parent folder not found: {}", parent_id))
+                    .into_response();
             }
         }
 
         match service.create_folder(dto).await {
             Ok(folder) => (StatusCode::CREATED, Json(folder)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -109,7 +114,7 @@ impl FolderHandler {
                 }
                 (StatusCode::OK, Json(folder)).into_response()
             }
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -154,7 +159,7 @@ impl FolderHandler {
             .await
         {
             Ok(paginated_result) => (StatusCode::OK, Json(paginated_result)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -171,7 +176,7 @@ impl FolderHandler {
             .await
         {
             Ok(folders) => (StatusCode::OK, Json(folders)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -237,7 +242,7 @@ impl FolderHandler {
                     .insert(header::ETAG, header::HeaderValue::from_str(&etag).unwrap());
                 resp
             }
-            (Err(err), _) | (_, Err(err)) => AppError::from(err).into_response()
+            (Err(err), _) | (_, Err(err)) => AppError::from(err).into_response(),
         }
     }
 
@@ -250,7 +255,7 @@ impl FolderHandler {
     ) -> impl IntoResponse {
         match service.rename_folder(&id, dto, &auth_user.id).await {
             Ok(folder) => (StatusCode::OK, Json(folder)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -263,7 +268,7 @@ impl FolderHandler {
     ) -> impl IntoResponse {
         match service.move_folder(&id, dto, &auth_user.id).await {
             Ok(folder) => (StatusCode::OK, Json(folder)).into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -275,7 +280,7 @@ impl FolderHandler {
     ) -> impl IntoResponse {
         match service.delete_folder(&id, &auth_user.id).await {
             Ok(_) => StatusCode::NO_CONTENT.into_response(),
-            Err(err) => AppError::from(err).into_response()
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 
@@ -313,9 +318,7 @@ impl FolderHandler {
                 tracing::info!("Folder permanently deleted: {}", id);
                 StatusCode::NO_CONTENT.into_response()
             }
-            Err(err) => {
-                AppError::from(err).into_response()
-            }
+            Err(err) => AppError::from(err).into_response(),
         }
     }
 

src/interfaces/api/handlers/share_handler.rs

@@ -40,12 +40,9 @@ pub async fn create_shared_link(
     auth_user: AuthUser,
     Json(dto): Json<CreateShareDto>,
 ) -> impl IntoResponse {
-    match share_use_case
-        .create_shared_link(&auth_user.id, dto)
-        .await
-    {
+    match share_use_case.create_shared_link(&auth_user.id, dto).await {
         Ok(share) => (StatusCode::CREATED, Json(share)).into_response(),
-        Err(err) => AppError::from(err).into_response()
+        Err(err) => AppError::from(err).into_response(),
     }
 }
 
@@ -57,7 +54,7 @@ pub async fn get_shared_link(
 ) -> impl IntoResponse {
     match share_use_case.get_shared_link(&id, &auth_user.id).await {
         Ok(share) => (StatusCode::OK, Json(share)).into_response(),
-        Err(err) => AppError::from(err).into_response()
+        Err(err) => AppError::from(err).into_response(),
     }
 }
 
@@ -116,7 +113,7 @@ pub async fn update_shared_link(
         .await
     {
         Ok(share) => (StatusCode::OK, Json(share)).into_response(),
-        Err(err) => AppError::from(err).into_response()
+        Err(err) => AppError::from(err).into_response(),
     }
 }
 
@@ -126,12 +123,9 @@ pub async fn delete_shared_link(
     auth_user: AuthUser,
     Path(id): Path<String>,
 ) -> impl IntoResponse {
-    match share_use_case
-        .delete_shared_link(&id, &auth_user.id)
-        .await
-    {
+    match share_use_case.delete_shared_link(&id, &auth_user.id).await {
         Ok(_) => StatusCode::NO_CONTENT.into_response(),
-        Err(err) => AppError::from(err).into_response()
+        Err(err) => AppError::from(err).into_response(),
     }
 }
 
@@ -160,8 +154,7 @@ pub async fn access_shared_item(
                         .into_response();
                 }
                 if err.message.contains("expired") {
-                    return AppError::new(StatusCode::GONE, err.message, "Expired")
-                        .into_response();
+                    return AppError::new(StatusCode::GONE, err.message, "Expired").into_response();
                 }
             }
             AppError::from(err).into_response()
@@ -183,8 +176,7 @@ pub async fn verify_shared_item_password(
         Err(err) => {
             if err.kind == ErrorKind::AccessDenied {
                 if err.message.contains("expired") {
-                    return AppError::new(StatusCode::GONE, err.message, "Expired")
-                        .into_response();
+                    return AppError::new(StatusCode::GONE, err.message, "Expired").into_response();
                 }
                 if err.message.contains("password") {
                     return AppError::unauthorized("Invalid password").into_response();

src/interfaces/api/handlers/webdav_handler.rs

@@ -1161,10 +1161,7 @@ async fn handle_move(
 
     // Resolve source: single-query when PathResolver is available (user-scoped)
     if let Some(resolver) = &state.path_resolver {
-        match resolver
-            .resolve_path_for_user(&source_path, &user.id)
-            .await
-        {
+        match resolver.resolve_path_for_user(&source_path, &user.id).await {
             Ok(ResolvedResource::Folder(folder)) => {
                 let dest_folder_name = destination_path
                     .split('/')
@@ -1183,7 +1180,11 @@ async fn handle_move(
                         match folder_service.get_folder_by_path(dest_parent_path).await {
                             Ok(parent) => {
                                 // SECURITY: verify destination parent belongs to caller (V-08)
-                                assert_owner(parent.owner_id.as_deref(), &user.id, dest_parent_path)?;
+                                assert_owner(
+                                    parent.owner_id.as_deref(),
+                                    &user.id,
+                                    dest_parent_path,
+                                )?;
                                 Some(parent.id)
                             }
                             Err(_) => None,
@@ -1228,7 +1229,10 @@ async fn handle_move(
 
                 if source_parent_path != dest_parent_path {
                     // SECURITY: verify destination parent belongs to caller (V-08)
-                    if !dest_parent_path.is_empty() && let Ok(parent) = folder_service.get_folder_by_path(dest_parent_path).await {
+                    if !dest_parent_path.is_empty()
+                        && let Ok(parent) =
+                            folder_service.get_folder_by_path(dest_parent_path).await
+                    {
                         assert_owner(parent.owner_id.as_deref(), &user.id, dest_parent_path)?;
                     }
                     file_management_service
@@ -1327,7 +1331,9 @@ async fn handle_move(
 
             if source_parent_path != dest_parent_path {
                 // SECURITY: verify destination parent belongs to caller (V-08)
-                if !dest_parent_path.is_empty() && let Ok(parent) = folder_service.get_folder_by_path(dest_parent_path).await {
+                if !dest_parent_path.is_empty()
+                    && let Ok(parent) = folder_service.get_folder_by_path(dest_parent_path).await
+                {
                     assert_owner(parent.owner_id.as_deref(), &user.id, dest_parent_path)?;
                 }
                 file_management_service
@@ -1436,10 +1442,7 @@ async fn handle_copy(
 
     // Resolve source: single-query when PathResolver is available (user-scoped)
     if let Some(resolver) = &state.path_resolver {
-        match resolver
-            .resolve_path_for_user(&source_path, &user.id)
-            .await
-        {
+        match resolver.resolve_path_for_user(&source_path, &user.id).await {
             Ok(ResolvedResource::Folder(folder)) => {
                 let recursive = depth != "0";