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/api/prisma/migrations/20261001120000_leads/migration.sql

@@ -0,0 +1,22 @@
+-- CreateTable
+CREATE TABLE "Lead" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "phone" TEXT NOT NULL,
+    "businessType" TEXT NOT NULL,
+    "source" TEXT NOT NULL DEFAULT 'consult',
+    "aiQuery" TEXT,
+    "status" TEXT NOT NULL DEFAULT 'new',
+    "note" TEXT,
+    "ip" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "Lead_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "Lead_status_createdAt_idx" ON "Lead"("status", "createdAt");
+
+-- Landing redesign: sections from the previous design are no longer rendered.
+DELETE FROM "SectionContent" WHERE "key" IN ('marquee', 'manifesto', 'services', 'work', 'process', 'stats', 'team');