Add NFC enable/disable support; update devices, Sonoff, and Tuya

app/routes/tuya.py

@@ -11,6 +11,7 @@ URL structure:
   POST /tuya/<board_id>/device/<device_id>/dp/<dp>/toggle – toggle a DP
   POST /tuya/<board_id>/device/<device_id>/rename         – rename a device
 """
+import logging
 from flask import (
     Blueprint, abort, flash, jsonify, redirect,
     render_template, request, url_for,
@@ -25,6 +26,8 @@ from app.drivers.tuya_cloud.driver import (
     TUYA_CLIENT_ID, TUYA_SCHEMA, category_kind, KIND_ICON,
 )
 
+logger = logging.getLogger(__name__)
+
 tuya_bp = Blueprint("tuya", __name__, url_prefix="/tuya")
 
 
@@ -101,7 +104,10 @@ def generate_qr(board_id: int):
         response = lc.qr_code(TUYA_CLIENT_ID, TUYA_SCHEMA, user_code)
 
         if not response.get("success"):
-            return jsonify({"ok": False, "error": response.get("msg", "QR generation failed")}), 400
+            err_msg = response.get("msg", "QR generation failed")
+            logger.error("Tuya qr_code() failed for board %s: %s | full response: %s",
+                         board_id, err_msg, response)
+            return jsonify({"ok": False, "error": err_msg}), 400
 
         qr_token = response["result"]["qrcode"]
         # The URI that Smart Life / Tuya Smart app decodes from the QR: