Preserve configured brand logo dimensions across email targets

packages/email-renderer/test/email.test.ts

@@ -111,6 +111,8 @@ describe("email renderer", () => {
     const draft = structuredClone(document);
     draft.root.props.logoUrl = "https://example.com/logo.png";
     draft.root.props.logoAlt = 'Brand & "Company"';
+    draft.root.props.logoWidth = "180";
+    draft.root.props.logoHeight = "90";
     const result = await renderEmail(draft,{amp:true,mjml:true});
     expect(result.ok).toBe(true);
     if (!result.ok) return;
@@ -120,6 +122,14 @@ describe("email renderer", () => {
     }
     expect(result.value.parts.amp?.validation.valid).toBe(true);
     expect(await validateMjml(result.value.exports!.mjml!)).toEqual([]);
+    expect(result.value.parts.html.content).toContain('width="180" height="90"');
+    expect(result.value.parts.amp?.content).toContain('width="180" height="90"');
+    expect(result.value.exports?.mjml).toContain('width="180px" height="90px"');
+    for (const value of ["0", "4001", "180px", "1;display:none"]) {
+      const invalid = structuredClone(draft);
+      invalid.root.props.logoWidth = value;
+      expect((await renderEmail(invalid)).ok).toBe(false);
+    }
     draft.root.props.logoUrl = "";
     const empty = await renderEmail(draft,{amp:true,mjml:true});
     expect(empty.ok).toBe(true);