Add the Monolith and Cobalt Stripe templates

Standalone layouts for reference templates 3 and 8, with the user's logo sized to the
placeholder box, a CapRule decor primitive, optional TableRows rule/heading options,
and a separate 1..45-row sweep test file.

src/pdf/templates/catalog.test.ts

@@ -8,7 +8,7 @@ describe("template catalog", () => {
   it("has one entry per registered template, in the registry's order, ids unique", () => {
     expect(TEMPLATE_CATALOG.map((e) => e.id)).toEqual(Object.keys(TEMPLATES));
     expect(new Set(TEMPLATE_CATALOG.map((e) => e.id)).size).toBe(TEMPLATE_CATALOG.length);
-    expect(TEMPLATE_CATALOG).toHaveLength(10);
+    expect(TEMPLATE_CATALOG).toHaveLength(12);
   });
 
   it("groups the C4 templates into the Ledger and Band families", () => {
@@ -20,6 +20,11 @@ describe("template catalog", () => {
     expect(FAMILY_LABELS.band).toBe("Band");
   });
 
+  it("lists the standalone templates, Monolith and Cobalt Stripe, last", () => {
+    expect(TEMPLATE_CATALOG.filter((e) => e.family === "standalone").map((e) => e.id)).toEqual(["monolith", "cobalt-stripe"]);
+    expect(FAMILY_LABELS.standalone).toBe("Standalone");
+  });
+
   it("every entry has a name, a family label and a thumbnail on disk; every definition agrees", () => {
     for (const e of TEMPLATE_CATALOG) {
       expect(e.name.length, e.id).toBeGreaterThan(0);