fix(nvim-core): implement empty resource and prompt list stubs for strict MCP client compatibility

nvim-core/src/lib.rs

@@ -774,6 +774,32 @@ pub async fn run_mcp_loop(app_name: &str, app_version: &str) {
                     .await;
                 }
                 "notifications/initialized" => {}
+
+                "resources/list" => {
+                    send_response(JsonRpcResponse {
+                        jsonrpc: "2.0".to_string(),
+                        id,
+                        result: Some(json!({"resources": []})),
+                        error: None,
+                    }).await;
+                }
+                "resources/templates/list" => {
+                    send_response(JsonRpcResponse {
+                        jsonrpc: "2.0".to_string(),
+                        id,
+                        result: Some(json!({"resourceTemplates": []})),
+                        error: None,
+                    }).await;
+                }
+                "prompts/list" => {
+                    send_response(JsonRpcResponse {
+                        jsonrpc: "2.0".to_string(),
+                        id,
+                        result: Some(json!({"prompts": []})),
+                        error: None,
+                    }).await;
+                }
+
                 "tools/list" => {
                     send_response(JsonRpcResponse {
                         jsonrpc: "2.0".to_string(),