Add and improve Homekit controller pairing messages and errors (#23532)

* Be clear about pairing code format

* Handle more homekit errors while pairing

* Update en translation

* Fix log message feedback

homeassistant/components/homekit_controller/strings.json

@@ -12,7 +12,7 @@
             },
             "pair": {
                 "title": "Pair with HomeKit Accessory",
-                "description": "Enter your HomeKit pairing code to use this accessory",
+                "description": "Enter your HomeKit pairing code (in the format XXX-XX-XXX) to use this accessory",
                 "data": {
                     "pairing_code": "Pairing Code"
                 }
@@ -21,14 +21,19 @@
         "error": {
             "unable_to_pair": "Unable to pair, please try again.",
             "unknown_error": "Device reported an unknown error. Pairing failed.",
-            "authentication_error": "Incorrect HomeKit code. Please check it and try again."
+            "authentication_error": "Incorrect HomeKit code. Please check it and try again.",
+            "max_peers_error": "Device refused to add pairing as it has no free pairing storage.",
+            "busy_error": "Device refused to add pairing as it is already pairing with another controller.",
+            "max_tries_error": "Device refused to add pairing as it has received more than 100 unsuccessful authentication attempts.",
+            "pairing_failed": "An unhandled error occured while attempting to pair with this device. This may be a temporary failure or your device may not be supported currently."
         },
         "abort": {
             "no_devices": "No unpaired devices could be found",
             "already_paired": "This accessory is already paired to another device. Please reset the accessory and try again.",
             "ignored_model": "HomeKit support for this model is blocked as a more feature complete native integration is available.",
             "already_configured": "Accessory is already configured with this controller.",
-            "invalid_config_entry": "This device is showing as ready to pair but there is already a conflicting config entry for it in Home Assistant that must first be removed."
+            "invalid_config_entry": "This device is showing as ready to pair but there is already a conflicting config entry for it in Home Assistant that must first be removed.",
+            "accessory_not_found_error": "Cannot add pairing as device can no longer be found."
         }
     }
 }