feat(cases): cases de clientes, serviços ligados à prova e SEO por página

Cases da SEV Moda Íntima e da Lavação 047; case no formato cliente, problema, entrega, mídia e contato, com detalhes técnicos recolhidos; sem GitHub, ressalvas e fontes de commit. /cases separa clientes e Laboratório. Serviços mostram o case de cliente certo e o bloco de investimento e prazo só aparece preenchido. Metadata social própria por página, not-found com noindex, sitemap com /ia.

lib/portfolio-data.server.ts

@@ -0,0 +1,70 @@
+import { readFile } from "node:fs/promises";
+import { resolve } from "node:path";
+import {
+  getFeaturedProjects,
+  type PortfolioProjectView,
+  portfolio,
+} from "./portfolio-data";
+import {
+  createProjectHealthSnapshot,
+  PROJECT_HEALTH_MAX_AGE_MS,
+  type ProjectHealthSnapshot,
+} from "./project-health";
+
+// Só no servidor: lê o arquivo de saúde das demonstrações (node:fs). lib/portfolio-data.ts fica sem Node,
+// porque lib/site-content.ts e lib/proof.ts o importam e componentes de cliente chegam a eles.
+
+function isSnapshotFresh(
+  snapshot: ProjectHealthSnapshot | null,
+  now = new Date(),
+) {
+  if (!snapshot) return false;
+  const checkedAt = Date.parse(snapshot.checkedAt);
+  return (
+    Number.isFinite(checkedAt) &&
+    now.getTime() - checkedAt <= PROJECT_HEALTH_MAX_AGE_MS
+  );
+}
+
+export async function loadProjectHealthSnapshot(): Promise<ProjectHealthSnapshot | null> {
+  try {
+    const path = resolve(process.cwd(), "data/project-health.json");
+    return JSON.parse(await readFile(path, "utf8")) as ProjectHealthSnapshot;
+  } catch {
+    return null;
+  }
+}
+
+export async function loadFeaturedProjects(): Promise<PortfolioProjectView[]> {
+  const snapshot = await loadProjectHealthSnapshot();
+  if (process.env.NODE_ENV !== "development" || isSnapshotFresh(snapshot)) {
+    return getFeaturedProjects(snapshot);
+  }
+
+  const projectDemos = portfolio.projects.reduce<
+    Array<{ id: string; demoUrl: string }>
+  >((demos, project) => {
+    if (project.demoUrl)
+      demos.push({ id: project.id, demoUrl: project.demoUrl });
+    return demos;
+  }, []);
+
+  try {
+    const refreshed = await createProjectHealthSnapshot(projectDemos);
+    const projects = { ...refreshed.projects };
+
+    for (const [id, check] of Object.entries(projects)) {
+      if (!check.error && check.status !== null) continue;
+      const previous = snapshot?.projects[id];
+      if (previous && !previous.error && previous.status !== null) {
+        projects[id] = previous;
+      } else {
+        delete projects[id];
+      }
+    }
+
+    return getFeaturedProjects({ ...refreshed, projects });
+  } catch {
+    return getFeaturedProjects(snapshot);
+  }
+}