fix: resolve clippy warnings (collapsible_if, manual_clamp)

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

src/interfaces/api/handlers/file_handler.rs

@@ -635,10 +635,10 @@ impl FileHandler {
                     use crate::infrastructure::services::exif_service::ExifService;
                     match tokio::fs::read(&file_path).await {
                         Ok(data) => {
-                            if let Some(meta) = ExifService::extract(&data) {
-                                if let Err(e) = metadata_repo.upsert(&file_id, &meta).await {
-                                    tracing::warn!("Failed to store EXIF for {}: {}", file_id, e);
-                                }
+                            if let Some(meta) = ExifService::extract(&data)
+                                && let Err(e) = metadata_repo.upsert(&file_id, &meta).await
+                            {
+                                tracing::warn!("Failed to store EXIF for {}: {}", file_id, e);
                             }
                         }
                         Err(e) => {

src/interfaces/api/handlers/photos_handler.rs

@@ -32,7 +32,7 @@ pub async fn list_photos(
     Query(params): Query<PhotosQueryParams>,
 ) -> impl IntoResponse {
     let user_id = &auth_user.id;
-    let limit = params.limit.unwrap_or(200).min(500).max(1);
+    let limit = params.limit.unwrap_or(200).clamp(1, 500);
 
     let file_read = &state.repositories.file_read_repository;