Replace the landing with the artifact design and rebuild the admin in Ant Design.

Adds consultation leads, section editors, and the one-time content reset for this release.

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

apps/landing/composables/useEscapeKey.ts

@@ -0,0 +1,18 @@
+import type { Ref } from "vue";
+
+/** Calls `handler` on Escape while `active` is true. */
+export function useEscapeKey(active: Ref<boolean>, handler: () => void) {
+  const onKey = (e: KeyboardEvent) => {
+    if (e.key === "Escape") handler();
+  };
+  watch(
+    active,
+    (on) => {
+      if (!import.meta.client) return;
+      if (on) document.addEventListener("keydown", onKey);
+      else document.removeEventListener("keydown", onKey);
+    },
+    { immediate: true },
+  );
+  onBeforeUnmount(() => document.removeEventListener("keydown", onKey));
+}