Restore .env.example and sanitize error logging

- Re-add .env.example with IAM role note for new contributors
- Log error.message instead of full error object to prevent potential credential leakage from downstream libraries

Author: gl0bal01

.env.example

@@ -9,6 +9,7 @@ GUILD_ID=your_development_server_id_here
 
 # AWS Configuration
 # Get these from your AWS account (IAM → Users → Security credentials)
+# Or use IAM roles if deploying on AWS infrastructure (preferred)
 AWS_ACCESS_KEY_ID=your_aws_access_key_id_here
 AWS_SECRET_ACCESS_KEY=your_aws_secret_access_key_here
 
@@ -21,4 +22,4 @@ AWS_REGION=us-east-1
 # - rekognition:DetectFaces
 # - rekognition:DetectModerationLabels
 # - rekognition:RecognizeCelebrities
-# - rekognition:CompareFaces
+# - rekognition:CompareFaces

index.js

@@ -85,7 +85,7 @@ client.on(Events.InteractionCreate, async interaction => {
     console.log(`📝 Executing command: ${interaction.commandName} by ${interaction.user.tag}`);
     await command.execute(interaction);
   } catch (error) {
-    console.error(`❌ Error executing command ${interaction.commandName}:`, error);
+    console.error(`❌ Error executing command ${interaction.commandName}:`, error.message || error);
 
     const errorResponse = {
       content: '⚠️ There was an error while executing this command! Please try again or contact support.',