feat: bump version to 0.0.5 and refactor code execution plugin for improved readability

Author: yaonyan

packages/plugin-code-execution/deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@mcpc/plugin-code-execution",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mcpc-tech/mcpc.git"

packages/plugin-code-execution/src/plugin.ts

@@ -77,7 +77,7 @@ export function createCodeExecutionPlugin(
           const contentParts: CallToolResult["content"] = [];
 
           // Execute code
-          if (code) {
+          if (code && hasDefinitions.length > 0) {
             if (!executor) throw new Error("Sandbox not initialized");
 
             const result = await executor.executeCode(code, hasDefinitions);