adding test containers

haven-notify/template/error.tmpl

@@ -1,36 +1,26 @@
-{{/*
-Error Notification Template
-Variables expected:
-- .caller: The caller of the error
-- .message: The error message
-- .critical: Boolean indicating if the error is critical
-- .extra: Optional array of additional fields with .name and .value
-*/}}
 {
   "embeds": [
     {
       "title": "❌ Error",
-      "description": "**{{.caller}}** encountered an error!",
-      "color": {{if .critical}}15158332{{else}}15844367{{end}},
+      "description": {{json (printf "**%s** encountered an error!" .Caller)}},
+      "color": {{if .Critical}}15158332{{else}}15844367{{end}},
       "fields": [
         {
           "name": "📄 Message",
-          "value": "{{.message}}",
+          "value": {{json .Message}},
           "inline": false
         }
-        {{- if .extra}}
-        {{- range $index, $field := .extra}},
+        {{- range .Extra}},
         {
-          "name": "{{$field.name}}",
-          "value": "{{$field.value}}",
+          "name": {{json .Name}},
+          "value": {{json .Value}},
           "inline": true
         }
         {{- end}}
-        {{- end}}
       ],
       "footer": {
         "text": "✨ Haven Notify ✨"
       }
     }
   ]
-}
+}