Add bookmark metadata editor

crates/ely_browser_core/src/state/bookmarks.rs

@@ -63,6 +63,28 @@ impl BrowserCore {
         Ok(())
     }
 
+    pub fn update_bookmark_metadata(
+        &mut self,
+        bookmark_id: &BookmarkId,
+        collection_name: impl Into<String>,
+        tags: Vec<String>,
+        note: Option<String>,
+    ) -> Result<(), CoreError> {
+        let bookmark = self.bookmark_mut(bookmark_id)?;
+        let mut updated_bookmark = bookmark.clone();
+
+        updated_bookmark.set_collection_name(collection_name)?;
+        updated_bookmark.set_tags(tags)?;
+        if let Some(note) = note {
+            updated_bookmark.set_note(note)?;
+        } else {
+            updated_bookmark.clear_note();
+        }
+
+        *bookmark = updated_bookmark;
+        Ok(())
+    }
+
     pub(super) fn find_bookmark_match(&self, query: &str) -> Option<UrlText> {
         let normalized_query = query.trim().to_lowercase();
         if normalized_query.is_empty() {

crates/ely_browser_core/tests/bookmarks.rs

@@ -65,6 +65,29 @@ fn bookmark_metadata_updates_collection_tags_and_note() -> Result<(), Box<dyn Er
     Ok(())
 }
 
+#[test]
+fn bookmark_metadata_batch_update_is_atomic() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    core.open_tab(UrlText::parse("https://example.com/research")?);
+    let bookmark_id = core.bookmark_active_tab()?;
+
+    let Err(error) = core.update_bookmark_metadata(
+        &bookmark_id,
+        "Research",
+        vec!["rust".to_string(), " ".to_string()],
+        Some("Read later".to_string()),
+    ) else {
+        return Err("expected invalid bookmark metadata error".into());
+    };
+    let snapshot = core.snapshot()?;
+
+    assert_eq!(error, CoreError::Domain(DomainError::EmptyField { field: "bookmark tag" }));
+    assert_eq!(snapshot.bookmarks[0].collection_name(), "Work");
+    assert!(snapshot.bookmarks[0].tags().is_empty());
+    assert_eq!(snapshot.bookmarks[0].note(), None);
+    Ok(())
+}
+
 #[test]
 fn bookmark_metadata_rejects_empty_fields() -> Result<(), Box<dyn Error>> {
     let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;