fix: resolve Rust Clippy CI failures

Derive default implementations for captioner and tagger option enums, simplify sorting and progress multiple checks, and remove redundant iterator conversions.

src-tauri/src/captioner.rs

@@ -78,9 +78,10 @@ static ORT_RUNTIME_INIT: Mutex<bool> = Mutex::new(false);
 /// knows to drop its cached `FlorenceCaptioner` and reload with the new EP.
 pub static CAPTION_SESSION_DIRTY: AtomicBool = AtomicBool::new(false);
 
-#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(rename_all = "lowercase")]
 pub enum CaptionAcceleration {
+    #[default]
     Auto,
     Cpu,
     Directml,
@@ -96,17 +97,12 @@ impl CaptionAcceleration {
     }
 }
 
-impl Default for CaptionAcceleration {
+#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
-    fn default() -> Self {
-        Self::Auto
-    }
-}
-
-#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(rename_all = "lowercase")]
 pub enum CaptionDetail {
     Short,
     Detailed,
+    #[default]
     Paragraph,
 }
 
@@ -136,12 +132,6 @@ impl CaptionDetail {
     }
 }
 
-impl Default for CaptionDetail {
-    fn default() -> Self {
-        Self::Paragraph
-    }
-}
-
 #[derive(Serialize)]
 pub struct CaptionModelStatus {
     pub model_id: &'static str,

src-tauri/src/commands.rs

@@ -437,7 +437,7 @@ fn list_roots() -> Vec<DirEntry> {
             })
         })
         .collect();
-    entries.sort_by(|a, b| a.name.to_lowercase().cmp(&b.name.to_lowercase()));
+    entries.sort_by_key(|entry| entry.name.to_lowercase());
     entries
 }
 
@@ -468,7 +468,7 @@ fn list_child_directories(path: &Path) -> Result<Vec<DirEntry>, String> {
         });
     }
 
-    entries.sort_by(|a, b| a.name.to_lowercase().cmp(&b.name.to_lowercase()));
+    entries.sort_by_key(|entry| entry.name.to_lowercase());
     Ok(entries)
 }
 
@@ -1352,7 +1352,7 @@ pub async fn find_duplicates(
                         }
                     };
                     let done = stat_counter.fetch_add(1, Ordering::Relaxed) + 1;
-                    if done % 100 == 0 || done == total {
+                    if done.is_multiple_of(100) || done == total {
                         let _ = app_hash.emit(
                             "duplicate_scan_progress",
                             DuplicateScanProgress {
@@ -1413,7 +1413,7 @@ pub async fn find_duplicates(
                         hash_skipped.fetch_add(1, Ordering::Relaxed);
                     }
                     let done = counter.fetch_add(1, Ordering::Relaxed) + 1;
-                    if done % 100 == 0 || done == c_total {
+                    if done.is_multiple_of(100) || done == c_total {
                         let _ = app_hash.emit(
                             "duplicate_scan_progress",
                             DuplicateScanProgress {
@@ -1502,7 +1502,7 @@ pub async fn find_duplicates(
                                 confirm_skipped.fetch_add(1, Ordering::Relaxed);
                             }
                             let done = counter.fetch_add(1, Ordering::Relaxed) + 1;
-                            if done % 100 == 0 || done == confirming_total {
+                            if done.is_multiple_of(100) || done == confirming_total {
                                 let _ = app_confirm.emit(
                                     "duplicate_scan_progress",
                                     DuplicateScanProgress {
@@ -1555,7 +1555,7 @@ pub async fn find_duplicates(
         .collect();
 
     // Largest duplicates first — wastes the most space
-    groups.sort_by(|a, b| b.file_size.cmp(&a.file_size));
+    groups.sort_by_key(|group| std::cmp::Reverse(group.file_size));
 
     // Persist results so they survive restart — best-effort, ignore errors.
     let folder_scope = match folder_id {

src-tauri/src/indexer.rs

@@ -885,7 +885,7 @@ fn process_embedding_batch(
     // image_id -> early error message for jobs that cannot be embedded yet
     let mut pre_failed: HashMap<i64, String> = HashMap::new();
 
-    for (i, (job, result)) in jobs.iter().zip(source_results.into_iter()).enumerate() {
+    for (i, (job, result)) in jobs.iter().zip(source_results).enumerate() {
         match result {
             Ok(path) => {
                 embeddable_indices.push(i);
@@ -907,16 +907,13 @@ fn process_embedding_batch(
 
         match embedder.embed_images(&embeddable_paths) {
             Ok(embeddings) => {
-                for (job, embedding) in embeddable_jobs.iter().zip(embeddings.into_iter()) {
+                for (job, embedding) in embeddable_jobs.iter().zip(embeddings) {
                     embed_results.insert(job.image_id, Ok(embedding));
                 }
             }
             Err(batch_error) => {
                 log::error!("Embedding batch fallback to per-image mode: {batch_error}");
-                for (job, source_path) in embeddable_jobs
+                for (job, source_path) in embeddable_jobs.into_iter().zip(embeddable_paths) {
-                    .into_iter()
-                    .zip(embeddable_paths.into_iter())
-                {
                     embed_results.insert(job.image_id, embedder.embed_image(&source_path));
                 }
             }

src-tauri/src/tagger.rs

@@ -45,9 +45,10 @@ pub static TAGGER_SESSION_DIRTY: AtomicBool = AtomicBool::new(false);
 // Settings types
 // ---------------------------------------------------------------------------
 
-#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(rename_all = "lowercase")]
 pub enum TaggerAcceleration {
+    #[default]
     Auto,
     Cpu,
     Directml,
@@ -63,12 +64,6 @@ impl TaggerAcceleration {
     }
 }
 
-impl Default for TaggerAcceleration {
-    fn default() -> Self {
-        Self::Auto
-    }
-}
-
 // ---------------------------------------------------------------------------
 // Status / probe types exposed to the frontend
 // ---------------------------------------------------------------------------