Add Schema.org JSON-LD, SEO meta overrides, and resilient bulk SMS.

Expose Organization/LocalBusiness and Product/BlogPosting jsonLd, optional seoMeta fields on content/categories, and continue mass SMS after per-recipient failures.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/common/seo-meta.dto.ts

@@ -0,0 +1,23 @@
+import { IsOptional, IsString, MaxLength } from 'class-validator';
+import {
+  SEO_META_DESCRIPTION_MAX,
+  SEO_META_TITLE_MAX,
+} from '../common/seo-meta.util';
+
+/** Optional mixin fields — copy onto Create/Update DTOs (Nest does not support multi-inheritance well). */
+export const SEO_META_DTO_DECORATORS = {
+  titleMax: SEO_META_TITLE_MAX,
+  descriptionMax: SEO_META_DESCRIPTION_MAX,
+} as const;
+
+export class SeoMetaDto {
+  @IsOptional()
+  @IsString()
+  @MaxLength(SEO_META_TITLE_MAX)
+  seoMetaTitle?: string | null;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(SEO_META_DESCRIPTION_MAX)
+  seoMetaDescription?: string | null;
+}

src/common/seo-meta.util.ts

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+/**
+ * Per-page SEO overrides stored in entity `metadata` JSON.
+ * Empty / null → websites fall back to title / summary / about fields.
+ */
+
+export const SEO_META_TITLE_MAX = 70;
+export const SEO_META_DESCRIPTION_MAX = 160;
+
+export type SeoMetaFields = {
+  seoMetaTitle: string | null;
+  seoMetaDescription: string | null;
+};
+
+export function emptySeoMeta(): SeoMetaFields {
+  return { seoMetaTitle: null, seoMetaDescription: null };
+}
+
+export function readSeoMetaFromMetadata(metadata: Record<string, unknown>): SeoMetaFields {
+  const title =
+    typeof metadata.seoMetaTitle === 'string' ? metadata.seoMetaTitle.trim() : '';
+  const description =
+    typeof metadata.seoMetaDescription === 'string'
+      ? metadata.seoMetaDescription.trim()
+      : '';
+  return {
+    seoMetaTitle: title ? title.slice(0, SEO_META_TITLE_MAX) : null,
+    seoMetaDescription: description
+      ? description.slice(0, SEO_META_DESCRIPTION_MAX)
+      : null,
+  };
+}
+
+/** Normalize optional DTO strings (undefined = leave unchanged when merging). */
+export function normalizeSeoMetaInput(
+  seoMetaTitle?: string | null,
+  seoMetaDescription?: string | null,
+): Partial<SeoMetaFields> {
+  const out: Partial<SeoMetaFields> = {};
+  if (seoMetaTitle !== undefined) {
+    const trimmed = seoMetaTitle?.trim() ?? '';
+    out.seoMetaTitle = trimmed ? trimmed.slice(0, SEO_META_TITLE_MAX) : null;
+  }
+  if (seoMetaDescription !== undefined) {
+    const trimmed = seoMetaDescription?.trim() ?? '';
+    out.seoMetaDescription = trimmed
+      ? trimmed.slice(0, SEO_META_DESCRIPTION_MAX)
+      : null;
+  }
+  return out;
+}
+
+/** Merge SEO keys into a metadata object (preserves tags and other keys). */
+export function applySeoMetaToMetadata(
+  metadata: Record<string, unknown>,
+  seo: Partial<SeoMetaFields>,
+): Record<string, unknown> {
+  const next = { ...metadata };
+  if (seo.seoMetaTitle !== undefined) {
+    if (seo.seoMetaTitle) next.seoMetaTitle = seo.seoMetaTitle;
+    else delete next.seoMetaTitle;
+  }
+  if (seo.seoMetaDescription !== undefined) {
+    if (seo.seoMetaDescription) next.seoMetaDescription = seo.seoMetaDescription;
+    else delete next.seoMetaDescription;
+  }
+  return next;
+}