Refactor user message hook for first-run detection, update Python version regex validation in settings routes, and simplify package commands directory retrieval

src/hooks/user-message-hook.ts

@@ -11,12 +11,12 @@ import { homedir } from "os";
 import { existsSync } from "fs";
 import { ensureWorkerRunning, getWorkerPort } from "../shared/worker-utils.js";
 
-// Check if node_modules exists - if not, this is first run
+// Check if first-run marker exists - if not, this is first run
 const pluginDir = join(homedir(), '.claude', 'plugins', 'marketplaces', 'thedotmack');
-const nodeModulesPath = join(pluginDir, 'node_modules');
+const firstRunMarker = join(pluginDir, '.first-run-complete');
 
-if (!existsSync(nodeModulesPath)) {
-  // First-time installation - dependencies not yet installed
+if (!existsSync(firstRunMarker)) {
+  // First-time installation - setup not yet complete
   console.error(`
 ---
 🎉  Note: This appears under Plugin Hook Error, but it's not an error. That's the only option for

src/services/worker/http/routes/SettingsRoutes.ts

@@ -95,11 +95,11 @@ export class SettingsRoutes extends BaseRouteHandler {
 
     // Validate CLAUDE_MEM_PYTHON_VERSION (must be valid Python version format)
     if (req.body.CLAUDE_MEM_PYTHON_VERSION) {
-      const pythonVersionRegex = /^3\.\d+$/;
+      const pythonVersionRegex = /^3\.\d{1,2}$/;
       if (!pythonVersionRegex.test(req.body.CLAUDE_MEM_PYTHON_VERSION)) {
         res.status(400).json({
           success: false,
-          error: 'CLAUDE_MEM_PYTHON_VERSION must be in format "3.X" (e.g., "3.13")'
+          error: 'CLAUDE_MEM_PYTHON_VERSION must be in format "3.X" or "3.XX" (e.g., "3.13")'
         });
         return;
       }

src/shared/paths.ts

@@ -112,13 +112,7 @@ export function getPackageRoot(): string {
  */
 export function getPackageCommandsDir(): string {
   const packageRoot = getPackageRoot();
-  const commandsDir = join(packageRoot, 'commands');
-
-  if (!existsSync(join(commandsDir, 'save.md'))) {
-    throw new Error('Package commands directory missing required files');
-  }
-
-  return commandsDir;
+  return join(packageRoot, 'commands');
 }
 
 /**