Restructured the project structure back to the way it was, there's no reasonable way to split the modules

src/NadekoBot/_common/SmartText/SmartPlainText.cs

@@ -0,0 +1,19 @@
+#nullable disable
+namespace NadekoBot;
+
+public sealed record SmartPlainText : SmartText
+{
+    public string Text { get; init; }
+
+    public SmartPlainText(string text)
+        => Text = text;
+
+    public static implicit operator SmartPlainText(string input)
+        => new(input);
+
+    public static implicit operator string(SmartPlainText input)
+        => input.Text;
+
+    public override string ToString()
+        => Text;
+}