docs: add /progress page with live stats cards and update navigation and component imports

apps/docs/blume.config.ts

@@ -127,10 +127,11 @@ export default defineConfig({
     llmsTxt: true,
     mcp: { enabled: false },
   },
-  // The only content source. `/changelog` and `/appendix` are custom pages
-  // (pages/*.astro): `/changelog` reads the GitHub releases itself — one
-  // timeline, no per-release pages — and `/appendix` is one glossary page
-  // built from appendix.ts, so neither enters the sidebar tree or prev/next.
+  // The only content source. `/changelog`, `/appendix` and `/progress` are
+  // custom pages (pages/*.astro): `/changelog` reads the GitHub releases
+  // itself — one timeline, no per-release pages — `/appendix` is one glossary
+  // page built from appendix.ts, and `/progress` is the live stats cards, so
+  // none enters the sidebar tree or prev/next.
   content: {
     sources: [filesystem({ root: "content" })],
   },
@@ -142,10 +143,11 @@ export default defineConfig({
     sidebar: {
       display: "flat", // "flat" | "group" | "page"
     },
-    // The two custom pages (pages/*.astro) as header tabs. Neither is a
-    // content folder, so the tabs scope nothing out of the sidebar tree.
+    // The custom pages (pages/*.astro) as header tabs. None is a content
+    // folder, so the tabs scope nothing out of the sidebar tree.
     tabs: [
       { label: "Changelog", path: "/changelog" },
+      { label: "Progress", path: "/progress" },
       { label: "Appendix", path: "/appendix" },
     ],
   },