refactor: Update AI chat handler module, safety settings, and environ…

…ment variables

.env.sample

@@ -1,10 +1,3 @@
 DISCORD_BOT_TOKEN=your_discord_token
 DISCORD_CLIENT_ID=your_discord_client_id
-GEMINI_API_KEY=your_gemini_api_key
-
-# Example SYSTEM_INSTRUCTION: "You are a helpful assistant."
-SYSTEM_INSTRUCTION=your_system_instruction
-
-# Example CHAT_HISTORY:
-# [{"role":"user","parts":[{"text":"Oh, thanks! Yes, I am relaxing at home. What about you? Do you have any plans for today?\n"}]},{"role":"model","parts":[{"text":"{\"correction\":null,\"explanation\":null}"}]}]
-CHAT_HISTORY=your_chat_history
+GEMINI_API_KEY=your_gemini_api_key

.gitignore

@@ -131,6 +131,3 @@ dist
 
 # instructions file
 /utils/instructions.js
-
-# chatHistory file
-/utils/chatHistory.js

copilot/aiHandler.js

@@ -1,11 +1,5 @@
-import dotenv from "dotenv";
-
 import { genAI, safetySettings } from "../utils/common.js";
-
-dotenv.config();
-
-const systemInstruction = process.env.SYSTEM_INSTRUCTION;
-const chatHistory = JSON.parse(process.env.CHAT_HISTORY);
+import { systemInstruction, chatHistory } from "../utils/instructions.js";
 
 const model = genAI.getGenerativeModel({
   model: "gemini-1.5-pro-latest",

utils/instructions.js.sample

@@ -1,3 +1,18 @@
 export const systemInstruction = `
   You are LangX Language Copilot. An introduction to LangX Copilot, an AI-powered tool designed to enhance your language learning experience with personalized feedback and privacy-focused features.
 `;
+
+export const chatHistory = [
+  {
+    role: "user",
+    parts: [
+      {
+        text: "Oh, thanks! Yes, I am relaxing at home. What about you? Do you have any plans for today?",
+      },
+    ],
+  },
+  {
+    role: "model",
+    parts: [{ text: '{"correction":null,"explanation":null}' }],
+  },
+];