feat: custom title and set history top

src/service/models/chat.ts

@@ -32,13 +32,16 @@ const ChatSchema = new Schema({
     default: '历史记录'
   },
   customTitle: {
-    type: Boolean,
-    default: false
+    type: String,
+    default: ''
   },
   latestChat: {
     type: String,
     default: ''
   },
+  top: {
+    type: Boolean
+  },
   content: {
     type: [
       {

src/service/pg.ts

@@ -6,13 +6,14 @@ export const connectPg = async () => {
     return global.pgClient;
   }
 
+  const maxLink = Number(process.env.VECTOR_MAX_PROCESS || 10);
   global.pgClient = new Pool({
     host: process.env.PG_HOST,
     port: process.env.PG_PORT ? +process.env.PG_PORT : 5432,
     user: process.env.PG_USER,
     password: process.env.PG_PASSWORD,
     database: process.env.PG_DB_NAME,
-    max: 20,
+    max: maxLink,
     idleTimeoutMillis: 60000,
     connectionTimeoutMillis: 20000
   });