feat: refactor quest models

+ separate stage and exception
+ reuse commandResponder

packages/models/condition.js

@@ -0,0 +1,28 @@
+import { Schema } from 'mongoose'
+
+const fileConditionSchema = new Schema({
+  path: {
+    type: String,
+    required: true,
+  },
+  type: String,
+  exists: {
+    type: Boolean,
+    default: true,
+  },
+})
+
+const conditionSchema = new Schema({
+  command: [String],
+  output: [String],
+  error: [String],
+  pwd: [String],
+  files: [fileConditionSchema],
+})
+
+conditionSchema.add({
+  or: [conditionSchema],
+  not: conditionSchema,
+})
+
+export default conditionSchema