feat(presentation): add "Take it with you" QR slide to Data Mesh (Python) decks

presentation/data-mesh-101/build-101.js

@@ -243,4 +243,23 @@ contentSlide({ eyebrow: "Data architectures", title: "When each pattern fits",
 })();
 
 /* ============================ WRITE ============================ */
+
+/* ============================ CLOSING · SCAN TO EXPLORE ============================ */
+(() => {
+  const s = pres.addSlide();
+  s.background = { color: C.white };
+  footer(s);
+  head(s, "Scan to explore", "Take it with you");
+  const qrW = 3.10, qrY = 1.95, leftX = 2.30, rightX = 7.93;
+  s.addImage({ path: "qr-site.png", x: leftX, y: qrY, w: qrW, h: qrW });
+  s.addText("The reference architecture", { x: leftX - 0.75, y: 5.20, w: qrW + 1.5, h: 0.4, fontSize: 18, bold: true, color: C.ink, fontFace: F.head, align: "center", margin: 0 });
+  s.addText("Site, runnable Python services, contracts, and the minikube bootstrap", { x: leftX - 0.85, y: 5.62, w: qrW + 1.7, h: 0.7, fontSize: 13, italic: true, color: C.gray, fontFace: F.body, align: "center", valign: "top", margin: 0 });
+  s.addText("patterncatalyst.github.io/datamesh-reference-arch-python", { x: leftX - 0.85, y: 6.30, w: qrW + 1.7, h: 0.32, fontSize: 10, color: C.red, fontFace: F.mono, align: "center", margin: 0 });
+  s.addImage({ path: "qr-hub.png", x: rightX, y: qrY, w: qrW, h: qrW });
+  s.addText("Workshops & Tutorials", { x: rightX - 0.75, y: 5.20, w: qrW + 1.5, h: 0.4, fontSize: 18, bold: true, color: C.ink, fontFace: F.head, align: "center", margin: 0 });
+  s.addText("The whole series: every workshop, tutorial, and deck in one place", { x: rightX - 0.85, y: 5.62, w: qrW + 1.7, h: 0.7, fontSize: 13, italic: true, color: C.gray, fontFace: F.body, align: "center", valign: "top", margin: 0 });
+  s.addText("patterncatalyst.github.io/patterncatalyst-workshops-tutorials-list", { x: rightX - 0.95, y: 6.30, w: qrW + 1.9, h: 0.32, fontSize: 9, color: C.red, fontFace: F.mono, align: "center", margin: 0 });
+  s.addNotes("That's where to go next. The two codes carry the primer home: on the left, the reference architecture itself: the site, the runnable Python domain services, the contracts and schema catalog, and the single-command minikube bootstrap that stands the whole mesh up on a laptop. On the right, the Workshops and Tutorials hub: every workshop, tutorial, and deck in the series in one place. Scan whichever is useful; both are public on the Pattern Catalyst GitHub organization.");
+})();
+
 pres.writeFile({ fileName: "The_Data_Mesh_101.pptx" }).then((f) => console.log("WROTE", f));