feat: refactor quest models

+ separate stage and exception
+ reuse commandResponder

packages/models/stageException.js

@@ -0,0 +1,14 @@
+import { Schema } from 'mongoose'
+import exceptionSchema from './exception.js'
+
+const stageExceptionSchema = new Schema({
+  catchAll: {
+    type: Boolean,
+    required: true,
+    default: false,
+  },
+})
+
+stageExceptionSchema.add(exceptionSchema)
+
+export default stageExceptionSchema