feat: Implement Customizable AI System Prompts

src/App.jsx

@@ -1,5 +1,6 @@
 // 📦 Imports
 import React, { useState, useRef } from 'react';
+import SettingsModal from './SettingsModal';
 import ReactFlow, {
   Background,
   Controls,
@@ -27,28 +28,15 @@ const getColor = (type) => {
 };
 
 // 🤖 AI Logic with Domino Effect Thinking (Updated: Using Puter AI API)
-const createAIChildren = async (text, parentId, setNodes, setEdges, stopGenerationRef) => {
+const createAIChildren = async (text, parentId, setNodes, setEdges, stopGenerationRef, systemPrompt) => {
   try {
     if (stopGenerationRef.current) return;
     const res = await axios.post(
       'https://api.puter.com/v1/chat/completions',
       {
         model: 'gpt-3.5-turbo',
         messages: [
-          {
-            role: 'system',
-            content: `You are an expert in cause-and-effect analysis.
-
-Given a news headline or event, break it down into a chain of consequences, like a domino effect.
-
-Each node must:
-- Be short (max 15 words)
-- Represent one specific consequence
-- Be categorized as either: 'positive', 'neutral', or 'negative'
-- Be logically linked to the prompt
-
-Return only 3 outputs: one of each type.`
-          },
+          { role: 'system', content: systemPrompt },
           { role: 'user', content: text }
         ]
       },
@@ -96,7 +84,7 @@ Return only 3 outputs: one of each type.`
     // Recursively expand each child one level deep
     for (const n of newNodes) {
       if (stopGenerationRef.current) break;
-      await createAIChildren(n.data.label, n.id, setNodes, setEdges, stopGenerationRef);
+      await createAIChildren(n.data.label, n.id, setNodes, setEdges, stopGenerationRef, systemPrompt);
     }
 
   } catch (err) {
@@ -113,6 +101,19 @@ export default function App() {
   const [edges, setEdges] = useState(initialEdges);
   const [prompt, setPrompt] = useState('');
   const [loading, setLoading] = useState(false);
+  const [isSettingsModalOpen, setIsSettingsModalOpen] = useState(false);
+    const defaultSystemPrompt = `You are an expert in cause-and-effect analysis.
+
+Given a news headline or event, break it down into a chain of consequences, like a domino effect.
+
+Each node must:
+- Be short (max 15 words)
+- Represent one specific consequence
+- Be categorized as either: 'positive', 'neutral', or 'negative'
+- Be logically linked to the prompt
+
+Return only 3 outputs: one of each type.`;
+  const [systemPrompt, setSystemPrompt] = useState(localStorage.getItem('systemPrompt') || defaultSystemPrompt);
   const stopGenerationRef = useRef(false);
   const reactFlowWrapper = useRef(null);
 
@@ -150,7 +151,7 @@ export default function App() {
     setNodes([rootNode]);
     setEdges([]);
 
-    await createAIChildren(prompt, rootId, setNodes, setEdges, stopGenerationRef);
+    await createAIChildren(prompt, rootId, setNodes, setEdges, stopGenerationRef, systemPrompt);
 
     setPrompt('');
     setLoading(false);
@@ -164,7 +165,7 @@ export default function App() {
   const onNodeClick = async (_event, node) => {
     stopGenerationRef.current = false;
     setLoading(true);
-    await createAIChildren(node.data.label, node.id, setNodes, setEdges, stopGenerationRef);
+    await createAIChildren(node.data.label, node.id, setNodes, setEdges, stopGenerationRef, systemPrompt);
     setLoading(false);
   };
 
@@ -246,9 +247,22 @@ export default function App() {
           >
             Export as PNG
           </button>
+          <button onClick={() => setIsSettingsModalOpen(true)} style={{ padding: '10px 20px', backgroundColor: '#6c757d', color: 'white', border: 'none', borderRadius: '8px', fontWeight: 'bold', cursor: 'pointer' }}>
+            Settings
+          </button>
         </div>
       </div>
 
+      <SettingsModal
+        isOpen={isSettingsModalOpen}
+        onClose={() => setIsSettingsModalOpen(false)}
+        onSave={(newPrompt) => {
+          setSystemPrompt(newPrompt);
+          localStorage.setItem('systemPrompt', newPrompt);
+        }}
+        initialPrompt={systemPrompt}
+      />
+
       {/* 🧠 ReactFlow Canvas */}
       <div style={{ flexGrow: 1 }} ref={reactFlowWrapper}>
         <ReactFlow

src/SettingsModal.jsx

@@ -0,0 +1,63 @@
+// ⚙️ SettingsModal Component
+import React, { useState } from 'react';
+
+const SettingsModal = ({ isOpen, onClose, onSave, initialPrompt }) => {
+  const [prompt, setPrompt] = useState(initialPrompt);
+
+  if (!isOpen) return null;
+
+  const handleSave = () => {
+    onSave(prompt);
+    onClose();
+  };
+
+  return (
+    <div style={{
+      position: 'fixed',
+      top: 0,
+      left: 0,
+      right: 0,
+      bottom: 0,
+      backgroundColor: 'rgba(0, 0, 0, 0.7)',
+      display: 'flex',
+      justifyContent: 'center',
+      alignItems: 'center',
+      zIndex: 1000,
+    }}>
+      <div style={{
+        backgroundColor: '#333',
+        padding: '2rem',
+        borderRadius: '12px',
+        width: '500px',
+        color: '#fff',
+      }}>
+        <h2>Custom AI Settings</h2>
+        <p>Define the AI's personality and instructions below:</p>
+        <textarea
+          value={prompt}
+          onChange={(e) => setPrompt(e.target.value)}
+          style={{
+            width: '100%',
+            height: '200px',
+            padding: '10px',
+            borderRadius: '8px',
+            border: '1px solid #555',
+            color: '#fff',
+            backgroundColor: '#444',
+            marginBottom: '1rem',
+          }}
+        />
+        <div style={{ display: 'flex', justifyContent: 'flex-end', gap: '1rem' }}>
+          <button onClick={onClose} style={{ padding: '10px 20px', borderRadius: '8px', border: 'none', backgroundColor: '#555' }}>
+            Cancel
+          </button>
+          <button onClick={handleSave} style={{ padding: '10px 20px', borderRadius: '8px', border: 'none', backgroundColor: '#00bcd4' }}>
+            Save
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default SettingsModal;