Update app.js

app.js

@@ -12,11 +12,12 @@ const PORT = process.env.PORT || 7860;
 
 const app = express();
 app.use(cors());
+// Increased limit to 50mb to handle large complex workspaces
 app.use(bodyParser.json({ limit: "50mb" }));
 
 // === DEMO CONTROLLER ===
 // CHANGE THIS TO TEST DIFFERENT INTERACTIONS
-// Options: 'NONE' (Just save), 'BUILD_PART' (Send Lua Code), 'FETCH_SCRIPT' (Ask for Source)
+// Options: 'NONE' (Just acknowledge), 'BUILD_PART' (Send Lua Code), 'FETCH_SCRIPT' (Ask for Source)
 const DEMO_MODE = 'BUILD_PART'; 
 
 app.post("/api/ai-build", async (req, res) => {
@@ -33,18 +34,34 @@ app.post("/api/ai-build", async (req, res) => {
 
     // 2. IF WE RECEIVED SCRIPT SOURCE (From a previous fetch request)
     if (scriptContext) {
-        console.log("   📘 Received Script Source for:", scriptContext.name);
-        console.log("   --- START SOURCE ---\n", scriptContext.source.substring(0, 100) + "...", "\n   --- END SOURCE ---");
+        console.log("   📘 Received Script Source for:", scriptContext.targetName);
+        console.log("   --- START SOURCE ---\n", scriptContext.scriptSource.substring(0, 100) + "...", "\n   --- END SOURCE ---");
         // In a real app, you would now feed this to the AI to edit.
-        return res.json({ success: true, message: "Source received, analyzing..." });
+        // For demo purposes, we can acknowledge and then send code back:
+        
+        const returnCode = `
+        \`\`\`lua
+        -- AI analyzed script ${scriptContext.targetName}. Sending back a confirmation part.
+        local p = Instance.new("Part")
+        p.Name = "AI_SCRIPT_ACKNOWLEDGED"
+        p.Color = Color3.fromRGB(255, 255, 0)
+        p.Size = Vector3.new(2, 2, 2)
+        p.Position = Vector3.new(5, 5, 0)
+        p.Anchored = true
+        p.Parent = workspace
+        print("Script analysis complete. Confirmation part created.")
+        \`\`\`
+        `;
+        return res.send(returnCode);
     }
 
     // 3. DEMO RESPONSES
     if (DEMO_MODE === 'BUILD_PART') {
         console.log("   👉 Sending Code Demo");
+        // FIX: Using template literals (backticks `) for multi-line string
         const luaCode = `
-        ```lua
-        -- AI Generated Demo
+        \`\`\`lua
+        -- AI Generated Demo: Part Builder
         local p = Instance.new("Part")
         p.Name = "AI_Generated_Cube"
         p.Color = Color3.fromRGB(0, 255, 100)
@@ -53,7 +70,7 @@ app.post("/api/ai-build", async (req, res) => {
         p.Anchored = true
         p.Parent = workspace
         print("Hello from the Server! I made a part.")
-        ```
+        \`\`\`
         `;
         return res.send(luaCode); // Sending raw markdown/text
     } 
@@ -68,11 +85,11 @@ app.post("/api/ai-build", async (req, res) => {
     }
 
     // Default: Just acknowledge
-    return res.json({ success: true, assetId: "req_" + Date.now() });
+    return res.json({ success: true, assetId: "req_" + Date.now(), message: "Snapshot received. AI is thinking..." });
 
   } catch (err) {
     console.error("Server Error:", err);
-    res.status(500).send("Server Error");
+    res.status(500).send("Server Error: " + err.message);
   }
 });