implement shims

shims/electron/remote/native-image.js

@@ -0,0 +1,23 @@
+// Shim for remote.nativeImage
+// Minimal stub  -  Obsidian's renderer-side usage is limited
+
+export const nativeImageShim = {
+  createFromBuffer(buffer) {
+    return {
+      isEmpty: () => !buffer || buffer.length === 0,
+      getSize: () => ({ width: 0, height: 0 }),
+      toPNG: () => buffer || new Uint8Array(0),
+      toJPEG: (quality) => buffer || new Uint8Array(0),
+      toDataURL: () => '',
+    };
+  },
+
+  createFromPath(filePath) {
+    // TODO: could fetch from server and create image
+    return nativeImageShim.createFromBuffer(new Uint8Array(0));
+  },
+
+  createEmpty() {
+    return nativeImageShim.createFromBuffer(new Uint8Array(0));
+  },
+};