fixing
Compiling .pioenvs/host-platform-bug/src/esphome/components/samsung_ac/debug_mqtt.o src/esphome/components/samsung_ac/debug_mqtt.cpp: In function ‘bool esphome::samsung_ac::debug_mqtt_connected()’: src/esphome/components/samsung_ac/debug_mqtt.cpp:18:17: error: ‘mqtt_client’ was not declared in this scope
18 | if (mqtt_client == nullptr)
| ^~~~~~~~~~~

📄 Description

What does this Pull Request do?

• 🐞 Bug Fix
• ✨ New Feature
• 🔨 Code Improvement
• 📚 Documentation Update

✨ Key Changes

ifdef's mqtt_client on (mqtt) unsupported platforms

🔗 Related Issues

Fixes: #262
Related:

✅ Checklist

Please ensure the following before submitting your PR:

• Code compiles without errors 🧑‍💻
• All tests pass successfully ✅
• Changes have been tested on relevant devices 🛠️
• Documentation has been updated (if necessary) 📖
• This PR is ready for review 🔍

🌐 Environment Information

🔢 Versions

• ESPHome Version: 2024.10.2
• Home Assistant Version:

🧩 Devices

• Air Conditioner Type:
  • NASA
  • NON-NASA
  • Other
• Air Conditioner Model: (e.g., AR09TXFCAWKNEU)
• Outdoor Unit Model: (e.g., AJ050TXJ2KH/EA)
• ESP Device Model: (e.g., M5STACK ATOM Lite + M5STACK RS-485)
• Wiring Configuration: (e.g., F1/F2)

🧪 Test Plan

How were these changes tested?

1. esphome compile bug.yaml

🔍 Logs

🛠️ YAML Configuration

# Please provide the relevant YAML configuration you used for testing this PR
esphome:
  name: host-platform-bug

host: # runs directly on x86_64
  mac_address: "12:34:56:78:90:ab"

uart:
  port: /dev/ttyUSB0
  baud_rate: 9600
  parity: EVEN

external_components:
  - source: github://omerfaruk-aran/esphome_samsung_hvac_bus@main

samsung_ac:
  devices: