fix: max context size

Author: zmhu

lib/util/app_constants.dart

@@ -192,8 +192,8 @@ class AppConstants {
       aiType: AiType.google,
       modelType: ModelType.chat,
       temperature: 0.7,
-      maxContextSize: 2048,
-      modelMaxContextSize: 2048,
+      maxContextSize: 30000,
+      modelMaxContextSize: 20000,
       disablePrompt: true,
       // maxTokens: 0,
     ),

lib/util/input_submit_util.dart

@@ -461,7 +461,7 @@ class InputSubmitUtil {
         version: version,
         headers: headers,
         // enableDebugging: true,
-        generationConfig: GenerationConfig(maxOutputTokens: 2048),
+        // generationConfig: GenerationConfig(maxOutputTokens: 2048),
       );
       final gemini = Gemini.instance;
       final res = gemini.streamChat(
@@ -606,7 +606,7 @@ class InputSubmitUtil {
       SessionModel currentSession, MessageModel userMessage, AiModel aiModel,
       [List<MessageModel>? quotedMessages]) {
     List<Content> messages = [];
-    int maxInputTokens = 20000;
+    int maxInputTokens = aiModel.modelMaxContextSize;
     maxInputTokens = maxInputTokens -
         numTokenCounter(aiModel.modelName, userMessage.content);
     // String userMessageContent = userMessage.content;

pubspec.yaml

@@ -180,7 +180,7 @@ dependencies:
     # path: ../flutter_gemini
     git:
       url: https://github.com/zmhu/flutter_gemini.git
-      ref: main
+      ref: master
 
 dev_dependencies:
   flutter_test: