Auto-commit: app.py updated

app.py

@@ -496,6 +496,26 @@ async def execute(request: Request):
     return JSONResponse(result)
 
 
+@app.get("/preview/{preview_id}")
+async def get_preview(preview_id: str):
+    """
+    Get live preview of executed code
+    AI agents can GET this URL to view the rendered frontend
+    """
+    # Clean expired previews
+    now = datetime.now()
+    expired_keys = [k for k, v in PREVIEW_STORAGE.items() if now - v["created"] > PREVIEW_EXPIRY]
+    for key in expired_keys:
+        del PREVIEW_STORAGE[key]
+    
+    # Return preview
+    preview = PREVIEW_STORAGE.get(preview_id)
+    if not preview:
+        return HTMLResponse("<h1>Preview not found or expired</h1><p>Previews expire after 1 hour.</p>", status_code=404)
+    
+    return HTMLResponse(preview["html"])
+
+
 @app.get("/health")
 async def health():
     """Health check endpoint"""