align .env.template with .env

stragety for client monitoring setup

.env.template

@@ -1,7 +1,11 @@
-# Infoscreen Client configuration template
-# Copy this file to .env and fill in values appropriate for your environment.
+# Screenshot capture behavior
+# Set to 1 to force captures even when no display is active (useful for testing)
+# In production, prefer 0 so captures only occur when a presentation/video/webpage is running
+SCREENSHOT_ALWAYS=0
+# Infoscreen Client Configuration Template
+# Copy this file to .env and adjust values for your setup
 
-# Environment
+# Environment (set for small prod-like test)
 # IMPORTANT: CEC TV control is automatically DISABLED when ENV=development
 # to avoid constantly switching the TV on/off during testing.
 # Set to 'production' to enable automatic CEC TV control.
@@ -10,21 +14,15 @@ DEBUG_MODE=0         # 1 to enable debug mode
 LOG_LEVEL=INFO       # DEBUG | INFO | WARNING | ERROR
 
 # MQTT Broker Configuration
-# Replace with your MQTT broker hostname or IP. Do NOT commit real credentials.
-MQTT_BROKER=<your-mqtt-broker-host-or-ip>
+MQTT_BROKER=<your-mqtt-broker-host-or-ip>    # Change to your MQTT server IP
 MQTT_PORT=1883
 
-# Timing Configuration (seconds)
+# Timing Configuration (quieter intervals for productive test)
 HEARTBEAT_INTERVAL=60        # Heartbeat frequency in seconds
 SCREENSHOT_INTERVAL=180            # Screenshot transmission (simclient)
 SCREENSHOT_CAPTURE_INTERVAL=180    # Screenshot capture (display_manager)
 DISPLAY_CHECK_INTERVAL=15    # Display Manager event check frequency in seconds
 
-# Screenshot capture behavior
-# Set to 1 to force captures even when no display is active (useful for testing)
-# In production, prefer 0 so captures only occur when a presentation/video/webpage is running
-SCREENSHOT_ALWAYS=0
-
 # File/API Server (used to download presentation files)
 # By default, the client rewrites incoming file URLs that point to 'server' to this host.
 # If not set, FILE_SERVER_HOST defaults to the same host as MQTT_BROKER.