refactor: consolidate nvim crates, extract server library, and update workspace dependencies

server/src/indexer.rs

@@ -83,6 +83,7 @@ pub async fn start_background_indexer(state: Arc<MemoryState>) {
                                     .duration_since(std::time::UNIX_EPOCH)
                                     .unwrap_or_default()
                                     .as_secs(),
+                                tags: vec![],
                                 embedding,
                             };
 
@@ -218,4 +219,29 @@ mod tests {
         let state = Arc::new(MemoryState::new(temp_dir.path().to_str().unwrap()));
         start_background_indexer(state).await;
     }
+
+    #[test]
+    fn test_extract_chunks_rust_impl_block() {
+        let code = "impl MyStruct { fn my_method(&self) {} }";
+        let mut parser = Parser::new();
+        parser
+            .set_language(&tree_sitter_rust::LANGUAGE.into())
+            .unwrap();
+        let tree = parser.parse(code, None).unwrap();
+
+        let mut chunks = Vec::new();
+        extract_chunks(tree.root_node(), code, &mut chunks, "rs");
+
+        assert_eq!(chunks.len(), 1);
+        assert_eq!(chunks[0].0, "MyStruct::my_method");
+        assert!(chunks[0].1.contains("// Parent Scope: MyStruct"));
+    }
+
+    #[tokio::test]
+    async fn test_start_background_indexer_empty_dir() {
+        let temp_dir = tempfile::tempdir().unwrap();
+        let state = Arc::new(MemoryState::new(temp_dir.path().to_str().unwrap()));
+        start_background_indexer(state).await;
+    }
 }
+