Add Settings Modal for Custom AI System Prompt

src/App.jsx

@@ -11,10 +11,22 @@ import 'reactflow/dist/style.css';
 import axios from 'axios';
 import html2canvas from 'html2canvas';
 import { saveAs } from 'file-saver';
+import SettingsModal from './SettingsModal';
 
 // 🧠 Initial State & Helpers
 const initialNodes = [];
 const initialEdges = [];
+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.`;
 let nodeId = 1;
 
 const getColor = (type) => {
@@ -27,7 +39,7 @@ 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(
@@ -37,17 +49,7 @@ const createAIChildren = async (text, parentId, setNodes, setEdges, stopGenerati
         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.`
+            content: systemPrompt,
           },
           { role: 'user', content: text }
         ]
@@ -96,7 +98,7 @@ 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) {
@@ -113,8 +115,17 @@ export default function App() {
   const [edges, setEdges] = useState(initialEdges);
   const [prompt, setPrompt] = useState('');
   const [loading, setLoading] = useState(false);
+  const [isSettingsModalOpen, setIsSettingsModalOpen] = useState(false);
   const stopGenerationRef = useRef(false);
   const reactFlowWrapper = useRef(null);
+  const [systemPrompt, setSystemPrompt] = useState(
+    localStorage.getItem('systemPrompt') || defaultSystemPrompt
+  );
+
+    const handleSetSystemPrompt = (newPrompt) => {
+    setSystemPrompt(newPrompt);
+    localStorage.setItem('systemPrompt', newPrompt);
+  };
 
   const handleExport = () => {
     if (reactFlowWrapper.current) {
@@ -150,7 +161,7 @@ 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 +175,7 @@ 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);
   };
 
@@ -246,11 +257,31 @@ 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>
 
       {/* 🧠 ReactFlow Canvas */}
       <div style={{ flexGrow: 1 }} ref={reactFlowWrapper}>
+        <SettingsModal
+          isOpen={isSettingsModalOpen}
+          onClose={() => setIsSettingsModalOpen(false)}
+          systemPrompt={systemPrompt}
+          setSystemPrompt={handleSetSystemPrompt}
+        />
         <ReactFlow
           nodes={nodes}
           edges={edges}

src/SettingsModal.jsx

@@ -0,0 +1,89 @@
+// -–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-
+// ⚙️ SettingsModal Component
+// -–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-–-
+import React, { useState } from 'react';
+
+// 🎨 Styles for the modal
+const modalStyles = {
+  overlay: {
+    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,
+  },
+  modal: {
+    background: '#333',
+    padding: '2rem',
+    borderRadius: '12px',
+    width: '500px',
+    color: '#fff',
+    display: 'flex',
+    flexDirection: 'column',
+    gap: '1rem',
+  },
+  textarea: {
+    width: '100%',
+    minHeight: '200px',
+    padding: '10px',
+    borderRadius: '8px',
+    border: '1px solid #ccc',
+    color: '#fff',
+    backgroundColor: '#444',
+  },
+  buttonContainer: {
+    display: 'flex',
+    justifyContent: 'flex-end',
+    gap: '0.5rem',
+  },
+  button: {
+    padding: '10px 20px',
+    borderRadius: '8px',
+    border: 'none',
+    fontWeight: 'bold',
+    cursor: 'pointer',
+  },
+};
+
+//  component
+const SettingsModal = ({ isOpen, onClose, systemPrompt, setSystemPrompt }) => {
+  const [prompt, setPrompt] = useState(systemPrompt);
+
+  const handleSave = () => {
+    setSystemPrompt(prompt);
+    onClose();
+  };
+
+  if (!isOpen) {
+    return null;
+  }
+
+  return (
+    <div style={modalStyles.overlay}>
+      <div style={modalStyles.modal}>
+        <h2 style={{ marginTop: 0 }}>⚙️ AI Settings</h2>
+        <p>Customize the AI's instructions. This will change how it generates new nodes.</p>
+        <textarea
+          style={modalStyles.textarea}
+          value={prompt}
+          onChange={(e) => setPrompt(e.target.value)}
+        />
+        <div style={modalStyles.buttonContainer}>
+          <button style={{ ...modalStyles.button, backgroundColor: '#555' }} onClick={onClose}>
+            Cancel
+          </button>
+          <button style={{ ...modalStyles.button, backgroundColor: '#00bcd4' }} onClick={handleSave}>
+            Save
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default SettingsModal;