[feat] Update AI model settings for GPT-3.5 and add GPT-3.5 Turbo 16k option

The commit updates AI model settings for GPT-3.5 by allowing up to 4000 tokens for context size. It also adds a new option for GPT-3.5 Turbo 16k with a maximum context of 16000 tokens. Additionally, the commit limits the context size when exceeding the maximum limit for each model.

src/ts/process/index.ts

@@ -121,6 +121,11 @@ export async function sendChat(chatProcessIndex = -1,arg:{chatAdditonalTokens?:n
             maxContextTokens = 4000
         }
     }
+    if(db.aiModel === 'gpt35_16k' || db.aiModel === 'gpt35_16k_0613'){
+        if(maxContextTokens > 16000){
+            maxContextTokens = 16000
+        }
+    }
     if(db.aiModel === 'gpt4'){
         if(maxContextTokens > 8000){
             maxContextTokens = 8000