Remove dev.js line and update Readme

Author: allison-grady

packages/b2c-dx-mcp/README.md

@@ -220,16 +220,31 @@ Storefront Next development tools for building modern storefronts.
 
 ## Telemetry
 
-The MCP server collects anonymous usage telemetry to help improve the developer experience.
+The MCP server collects anonymous usage telemetry to help improve the developer experience. Telemetry is enabled by default.
 
-**Development mode**: Telemetry is automatically disabled when `NODE_ENV=development` (set by `bin/dev.js`), so local development and testing won't pollute production data.
+### Disabling Telemetry
 
-**Production**: Telemetry is enabled by default for published releases. To disable, set `SFCC_TELEMETRY=false`.
+Set one of these environment variables to disable telemetry:
+
+```bash
+# Salesforce CLI standard (recommended)
+SF_DISABLE_TELEMETRY=true
+
+# Or SFCC-specific
+SFCC_DISABLE_TELEMETRY=true
+```
+
+You can also override the telemetry connection string for testing:
+
+```bash
+SFCC_APP_INSIGHTS_KEY=your-connection-string
+```
 
 ### What We Collect
 
 - **Server lifecycle events**: When the server starts, stops, or encounters errors
 - **Tool usage**: Which tools are called and their execution time (not the arguments or results)
+- **Command metrics**: Command duration and success/failure status
 - **Environment info**: Platform, architecture, Node.js version, and package version
 
 ### What We Don't Collect

packages/b2c-dx-mcp/bin/dev.js

@@ -5,9 +5,6 @@
  * For full license text, see the license.txt file in the repo root or http://www.apache.org/licenses/LICENSE-2.0
  */
 
-// Set NODE_ENV to development if not already set (disables production telemetry)
-process.env.NODE_ENV = process.env.NODE_ENV || 'development';
-
 // Load .env file if present (Node.js native support)
 try {
   process.loadEnvFile();