feat(cli): Add automatic update command and documentation updates

ts/moxytool.cli.ts

@@ -36,6 +36,7 @@ export const runCli = async () => {
     logger.log('info', 'Available commands:');
     logger.log('info', '* vgpu-setup - Install and configure Proxmox vGPU support');
     logger.log('info', '* scripts    - Manage Proxmox community scripts');
+    logger.log('info', '* update     - Update MOXYTOOL to the latest version');
     logger.log('info', '');
     logger.log('info', 'Usage: moxytool <command> [options]');
   });
@@ -129,6 +130,78 @@ export const runCli = async () => {
     }
   });
 
+  // Update command
+  smartcliInstance.addCommand('update').subscribe(async (argvArg) => {
+    logger.log('info', 'Checking for updates...');
+    logger.log('info', '');
+
+    try {
+      // Get current version from deno.json
+      const denoJsonPath = plugins.path.join(paths.packageDir, 'deno.json');
+      let currentVersion = '1.1.0'; // fallback
+
+      try {
+        const denoJsonContent = await Deno.readTextFile(denoJsonPath);
+        const denoJson = JSON.parse(denoJsonContent);
+        currentVersion = denoJson.version || currentVersion;
+      } catch {
+        // Use fallback version
+      }
+
+      // Fetch latest version from Gitea API
+      const apiUrl = 'https://code.foss.global/api/v1/repos/serve.zone/moxytool/releases/latest';
+      const response = await fetch(apiUrl);
+
+      if (!response.ok) {
+        logger.log('error', 'Failed to check for updates');
+        logger.log('error', `HTTP ${response.status}: ${response.statusText}`);
+        Deno.exit(1);
+      }
+
+      const release = await response.json();
+      const latestVersion = release.tag_name; // e.g., "v1.1.0"
+
+      // Normalize versions for comparison (ensure both have "v" prefix)
+      const normalizedCurrent = currentVersion.startsWith('v') ? currentVersion : `v${currentVersion}`;
+      const normalizedLatest = latestVersion.startsWith('v') ? latestVersion : `v${latestVersion}`;
+
+      logger.log('info', `Current version: ${normalizedCurrent}`);
+      logger.log('info', `Latest version:  ${normalizedLatest}`);
+      logger.log('info', '');
+
+      // Compare normalized versions
+      if (normalizedCurrent === normalizedLatest) {
+        logger.log('success', 'Already up to date!');
+        logger.log('info', '');
+        return;
+      }
+
+      logger.log('ok', `New version available: ${latestVersion}`);
+      logger.log('info', 'Downloading and installing...');
+      logger.log('info', '');
+
+      // Download and run the install script
+      const installUrl = 'https://code.foss.global/serve.zone/moxytool/raw/branch/main/install.sh';
+
+      const updateResult = await smartshellInstance.exec(
+        `curl -sSL ${installUrl} | bash`
+      );
+
+      if (updateResult.exitCode !== 0) {
+        logger.log('error', 'Update failed');
+        logger.log('error', updateResult.stderr || 'Unknown error');
+        Deno.exit(1);
+      }
+
+      logger.log('info', '');
+      logger.log('success', `Updated to ${latestVersion}`);
+      logger.log('info', '');
+    } catch (error) {
+      logger.log('error', `Update failed: ${error instanceof Error ? error.message : String(error)}`);
+      Deno.exit(1);
+    }
+  });
+
   // Scripts management commands
   smartcliInstance.addCommand('scripts').subscribe(async (argvArg) => {
     const subcommand = argvArg._[0];