feat: share窗口

src/service/models/bill.ts

@@ -12,8 +12,8 @@ const BillSchema = new Schema({
     required: true
   },
   time: {
-    type: Number,
-    default: () => Date.now()
+    type: Date,
+    default: () => new Date()
   },
   textLen: {
     // 提示词+响应的总字数

src/service/models/chat.ts

@@ -25,6 +25,10 @@ const ChatSchema = new Schema({
     type: Number,
     required: true
   },
+  isShare: {
+    type: Boolean,
+    default: false
+  },
   content: {
     type: [
       {