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 {
-    fn default() -> Self {
-        Self::Auto
-    }
-}
-
-#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Copy, Debug, Default, 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,