fix(settings): preserve stored logo + persist editor changes on save

app/components/RichTextEditor.tsx

@@ -58,6 +58,12 @@ export function RichTextEditor({
   const [mounted, setMounted] = useState(false);
   useEffect(() => setMounted(true), []);
 
+  // Mirror editor HTML into local state so the hidden <input> always
+  // reflects the latest content. Without this, React doesn't re-render
+  // when TipTap's content changes and the form submits stale HTML.
+  const initialHtml = swapCidToLogo(defaultValue || "<p></p>", logoDataUrl);
+  const [html, setHtml] = useState(initialHtml);
+
   const editor = useEditor({
     immediatelyRender: false,
     extensions: [
@@ -85,6 +91,9 @@ export function RichTextEditor({
       Color,
     ],
     content: swapCidToLogo(defaultValue || "<p></p>", logoDataUrl),
+    onUpdate: ({ editor }) => {
+      setHtml(editor.getHTML());
+    },
     editorProps: {
       attributes: {
         class: "wysiwyg-editor",
@@ -96,7 +105,7 @@ export function RichTextEditor({
   // Keep editor disposed cleanly on unmount.
   useEffect(() => () => editor?.destroy(), [editor]);
 
-  const html = swapLogoToCid(editor?.getHTML() ?? defaultValue, logoDataUrl);
+  const submittedHtml = swapLogoToCid(html, logoDataUrl);
 
   if (!mounted) {
     // Server / pre-hydration fallback: a textarea so the value is still
@@ -219,7 +228,7 @@ export function RichTextEditor({
         />
       </div>
       <EditorContent editor={editor} />
-      <input type="hidden" name={name} value={html} />
+      <input type="hidden" name={name} value={submittedHtml} />
       {variables.length > 0 ? (
         <div style={{ marginTop: 6, display: "flex", flexWrap: "wrap", gap: 4, alignItems: "center" }}>
           <span style={{ fontSize: 12, color: "#6d7175", marginRight: 4 }}>Insert variable:</span>

app/routes/app.settings.tsx

@@ -101,12 +101,21 @@ export const action = async ({ request }: ActionFunctionArgs) => {
   //   2. Remove the current logo (`removeLogo=on`).
   //   3. Provide an external URL via the `logoUrl` field.
   // If a file is uploaded it wins over a manually-entered URL.
-  let resolvedLogoUrl = str("logoUrl");
+  // Look up the existing logoUrl so we don't accidentally clear it when
+  // the user just edited unrelated fields (the visible URL field is hidden
+  // for stored uploads, so it submits empty in that case).
+  const existing = await db.shopSettings.findUnique({
+    where: { shopDomain: session.shop },
+    select: { logoUrl: true },
+  });
+  const submittedLogoUrl = str("logoUrl");
   const removeLogo = bool("removeLogo");
   const logoFile = form.get("logoFile");
   const hasUpload =
     logoFile && typeof logoFile === "object" && "size" in logoFile && (logoFile as File).size > 0;
 
+  let resolvedLogoUrl = submittedLogoUrl || existing?.logoUrl || "";
+
   if (removeLogo && !hasUpload) {
     await deleteStoredLogo(session.shop);
     resolvedLogoUrl = "";