feat: Support a way to define default model by adding DEFAULT_MODEL env.

app/store/access.ts

@@ -8,6 +8,7 @@ import { getHeaders } from "../client/api";
 import { getClientConfig } from "../config/client";
 import { createPersistStore } from "../utils/store";
 import { ensure } from "../utils/clone";
+import { DEFAULT_CONFIG } from "./config";
 
 let fetchState = 0; // 0 not fetch, 1 fetching, 2 done
 
@@ -48,6 +49,7 @@ const DEFAULT_ACCESS_STATE = {
   disableGPT4: false,
   disableFastLink: false,
   customModels: "",
+  defaultModel: "",
 };
 
 export const useAccessStore = createPersistStore(
@@ -100,6 +102,13 @@ export const useAccessStore = createPersistStore(
         },
       })
         .then((res) => res.json())
+        .then((res) => {
+          // Set default model from env request
+          let defaultModel = res.defaultModel ?? "";
+          DEFAULT_CONFIG.modelConfig.model =
+            defaultModel !== "" ? defaultModel : "gpt-3.5-turbo";
+          return res;
+        })
         .then((res: DangerConfig) => {
           console.log("[Config] got config from server", res);
           set(() => ({ ...res }));