fix

backend/src/services/documents.rs

@@ -178,7 +178,6 @@ struct DocumentUpdateChangeset {
 
 struct DocumentUpdatePlan {
     changeset: DocumentUpdateChangeset,
-    title_changed: bool,
 }
 
 #[derive(Deserialize, ToSchema)]
@@ -273,7 +272,6 @@ impl<'a> DocumentsService<'a> {
 
         let mut changes = DocumentUpdateChangeset::default();
         let mut has_changes = false;
-        let mut title_changed = false;
 
         if let Some(ref candidate) = title {
             let trimmed = candidate.trim();
@@ -288,7 +286,6 @@ impl<'a> DocumentsService<'a> {
                     changes.filename = Some(new_filename);
                 }
                 has_changes = true;
-                title_changed = true;
             }
         }
 
@@ -336,7 +333,6 @@ impl<'a> DocumentsService<'a> {
 
         Ok(DocumentUpdatePlan {
             changeset: changes,
-            title_changed,
         })
     }
 
@@ -1184,10 +1180,8 @@ impl<'a> DocumentsService<'a> {
         let payload_obj = payload
             .as_object()
             .ok_or_else(|| AppError::bad_request("request body must be a JSON object"))?;
-        let DocumentUpdatePlan {
-            mut changeset,
-            title_changed,
-        } = Self::build_document_update_plan(&document, payload_obj)?;
+        let DocumentUpdatePlan { mut changeset } =
+            Self::build_document_update_plan(&document, payload_obj)?;
 
         let now = Utc::now().naive_utc();
         changeset.updated_at = Some(now);