Simplify client mode to single FastGPT app

test/api/fastapi-browser-addon.http

@@ -18,8 +18,7 @@ content-type: application/json
 
 {
     "sessionId": "{{sessionId}}",
-    "timeStamp": "{{$timestamp}}",
-    "clientMode": "{{clientMode}}"
+    "timeStamp": "{{$timestamp}}"
 }
 
 HTTP/1.1 200  - OK
@@ -54,8 +53,7 @@ content-type: application/json
 {
     "sessionId": "{{sessionId}}",
     "timeStamp": "{{timeStamp}}",
-    "key": "hphm1",
-    "clientMode": "{{clientMode}}"
+    "key": "hphm1"
 }
 
 HTTP/1.1 200  - OK
@@ -72,8 +70,7 @@ content-type: application/json
     "sessionId": "{{sessionId}}",
     "timeStamp": "{{timeStamp}}",
     "key": "hphm1",
-    "value": "沪A8939",
-    "clientMode": "{{clientMode}}"
+    "value": "沪A8939"
 }
 
 HTTP/1.1 200  - OK