updated graph rendering to be more efficient. added smooth scrolling, added color type, mmb drag for cutting

preload.js

@@ -17,6 +17,48 @@ const api = {
 
     return ipcRenderer.invoke("lua:compile", source);
   },
+
+  /**
+   * Creates a temporary .p8 cart file for preview
+   *
+   * @param {string} cartContent Complete .p8 cart file content
+   * @returns {Promise<{ filePath: string }>}
+   */
+  previewCart(cartContent) {
+    if (typeof cartContent !== "string") {
+      return Promise.reject(new TypeError("Cart content must be a string"));
+    }
+
+    return ipcRenderer.invoke("cart:preview", cartContent);
+  },
+
+  /**
+   * Writes the PICO-8 player HTML to disk and returns the file path
+   *
+   * @param {string} htmlContent The player HTML content
+   * @returns {Promise<{ filePath: string }>}
+   */
+  writePlayerHtml(htmlContent) {
+    if (typeof htmlContent !== "string") {
+      return Promise.reject(new TypeError("HTML content must be a string"));
+    }
+
+    return ipcRenderer.invoke("player:writeHtml", htmlContent);
+  },
+
+  /**
+   * Writes the cart .p8 file to the public directory for the player to load
+   *
+   * @param {string} cartContent The .p8 cart content
+   * @returns {Promise<{ filePath: string }>}
+   */
+  writePlayerCart(cartContent) {
+    if (typeof cartContent !== "string") {
+      return Promise.reject(new TypeError("Cart content must be a string"));
+    }
+
+    return ipcRenderer.invoke("player:writeCart", cartContent);
+  },
 };
 
 contextBridge.exposeInMainWorld("electronAPI", api);