docs: rebrand README to plugin and update code examples

packages/plugin-code-execution/README.md

@@ -1,4 +1,7 @@
-# @mcpc/agentic-js-sandbox
+# @mcpc/plugin-code-execution
+
+[![JSR](https://jsr.io/badges/@mcpc/plugin-code-execution)](https://jsr.io/@mcpc/plugin-code-execution)
+[![npm](https://img.shields.io/npm/v/@mcpc-tech/plugin-code-execution)](https://www.npmjs.com/package/@mcpc-tech/plugin-code-execution)
 
 Secure JavaScript code execution sandbox using Deno for MCPC agents. This
 package provides a safe environment to execute user-provided JavaScript code
@@ -10,19 +13,18 @@ with MCP tool access via JSON-RPC IPC.
   execution
 - 🔌 **JSON-RPC IPC**: Tool calls are transmitted via JSON-RPC between sandbox
   and host
-- 🚀 **Easy Integration**: Drop-in replacement for the built-in code execution
-  mode
+- 🚀 **Easy Integration**: Plugin-based integration with MCPC
 - 📦 **Zero Config**: Automatically locates Deno binary from npm package
 - 🛡️ **Resource Limits**: Configurable timeouts and memory limits
 
 ## Installation
 
 ```bash
-npm install @mcpc/agentic-js-sandbox
+npm install @mcpc/plugin-code-execution
 # or
-pnpm add @mcpc/agentic-js-sandbox
+pnpm add @mcpc/plugin-code-execution
 # or
-yarn add @mcpc/agentic-js-sandbox
+yarn add @mcpc/plugin-code-execution
 ```
 
 ## Usage
@@ -31,7 +33,7 @@ yarn add @mcpc/agentic-js-sandbox
 
 ```typescript
 import { mcpc } from "@mcpc/core";
-import { createSandboxExecutor } from "@mcpc/agentic-js-sandbox";
+import { createCodeExecutionPlugin } from "@mcpc/plugin-code-execution/plugin";
 
 const server = await mcpc(
   [{ name: "my-agent", version: "1.0.0" }, {
@@ -53,13 +55,17 @@ const server = await mcpc(
         },
       },
     },
-    options: {
-      mode: "code_execution",
-      // Use custom sandbox executor
-      customExecutor: createSandboxExecutor({
-        timeout: 30000, // 30 seconds
-        memoryLimit: 512, // 512 MB
+    plugins: [
+      createCodeExecutionPlugin({
+        sandbox: {
+          timeout: 30000, // 30 seconds
+          memoryLimit: 512, // 512 MB
+          permissions: [], // No extra permissions
+        },
       }),
+    ],
+    options: {
+      mode: "custom",
     },
   }],
 );
@@ -83,16 +89,20 @@ passing Deno permission flags directly:
 
 ```typescript
 // No permissions - can only call MCP tools
-createSandboxExecutor();
+createCodeExecutionPlugin();
 
 // Allow network access to specific domains
-createSandboxExecutor({
-  permissions: ["--allow-net=github.com,api.example.com"],
+createCodeExecutionPlugin({
+  sandbox: {
+    permissions: ["--allow-net=github.com,api.example.com"],
+  },
 });
 
 // Allow reading specific directories
-createSandboxExecutor({
-  permissions: ["--allow-read=/tmp,/var/log"],
+createCodeExecutionPlugin({
+  sandbox: {
+    permissions: ["--allow-read=/tmp,/var/log"],
+  },
 });
 ```
 
@@ -109,13 +119,15 @@ interface SandboxConfig {
 Example with custom permissions:
 
 ```typescript
-createSandboxExecutor({
-  timeout: 60000,
-  permissions: [
-    "--allow-net=api.example.com",
-    "--allow-read=/tmp",
-    "--allow-env=HOME,USER",
-  ],
+createCodeExecutionPlugin({
+  sandbox: {
+    timeout: 60000,
+    permissions: [
+      "--allow-net=api.example.com",
+      "--allow-read=/tmp",
+      "--allow-env=HOME,USER",
+    ],
+  },
 });
 ```
 
@@ -140,7 +152,7 @@ createSandboxExecutor({
 
 ## Comparison with Built-in Executor
 
-| Feature     | Built-in (`new Function`) | Sandbox (`npm:deno`)        |
+| Feature     | Built-in (`new Function`) | Plugin Sandbox (`deno`)     |
 | ----------- | ------------------------- | --------------------------- |
 | Security    | Low (same process)        | High (isolated)             |
 | Performance | Fast                      | Slower (IPC overhead)       |
@@ -151,9 +163,7 @@ createSandboxExecutor({
 
 See `examples/` directory for complete examples:
 
-- `basic-usage.ts` - Simple code execution
-- `file-operations.ts` - Working with filesystem MCP tools
-- `custom-permissions.ts` - Custom Deno permissions
+- `basic-usage.ts` - Simple code execution with plugin integration
 
 ## Development