UI: Add tabs to dashboard and fix mcp capability regression

win-nvim/src/main.rs

@@ -57,9 +57,7 @@ async fn main() {
                         id,
                         result: Some(json!({
                             "protocolVersion": "2024-11-05",
-                            "capabilities": {
-                                "tools": {}
-                            },
+                            "capabilities": {},
                             "serverInfo": {
                                 "name": "mcp-memory-win-nvim",
                                 "version": "0.1.0"