feat(share): SSR'd diffs

packages/ui/src/custom-elements.d.ts

@@ -0,0 +1,14 @@
+/**
+ * TypeScript declaration for the <file-diff> custom element.
+ * This tells TypeScript that <file-diff> is a valid JSX element in SolidJS.
+ * Required for using the precision-diffs web component in .tsx files.
+ */
+declare module 'solid-js' {
+  namespace JSX {
+    interface IntrinsicElements {
+      'file-diff': HTMLAttributes<HTMLElement>;
+    }
+  }
+}
+
+export {};