fix: unregister — rename request/response uuid → file_uuid

src/api/server.rs

@@ -2507,13 +2507,13 @@ async fn cache_toggle(
 #[derive(Debug, Serialize)]
 struct UnregisterResponse {
     success: bool,
-    uuid: String,
+    file_uuid: String,
     message: String,
 }
 
 #[derive(Debug, Deserialize)]
 struct UnregisterRequest {
-    uuid: Option<String>,
+    file_uuid: Option<String>,
     file_path: Option<String>,
     pattern: Option<String>,
 }
@@ -2530,7 +2530,7 @@ async fn unregister(
         if !dir.is_dir() {
             return Ok(Json(UnregisterResponse {
                 success: false,
-                uuid: String::new(),
+                file_uuid: String::new(),
                 message: format!("Not a directory: {}", dir_path),
             }));
         }
@@ -2561,18 +2561,18 @@ async fn unregister(
         let _ = state.mongo_cache.invalidate_videos_list().await;
         return Ok(Json(UnregisterResponse {
             success: true,
-            uuid: format!("batch_{}", count),
+            file_uuid: format!("batch_{}", count),
             message: format!("Unregistered {} files matching pattern", count),
         }));
     }
 
     // Single UUID mode
-    let uuid = req.uuid.as_deref().unwrap_or("");
+    let uuid = req.file_uuid.as_deref().unwrap_or("");
     if uuid.is_empty() {
         return Ok(Json(UnregisterResponse {
             success: false,
-            uuid: String::new(),
-            message: "Either uuid or file_path+pattern is required".to_string(),
+            file_uuid: String::new(),
+            message: "Either file_uuid or file_path+pattern is required".to_string(),
         }));
     }
 
@@ -2582,7 +2582,7 @@ async fn unregister(
             let _ = state.mongo_cache.invalidate_videos_list().await;
             Ok(Json(UnregisterResponse {
                 success: true,
-                uuid: uuid.to_string(),
+                file_uuid: uuid.to_string(),
                 message: "File unregistered successfully".to_string(),
             }))
         }