Add application codebase: PDF annotation for e-Court

Next.js 14 + Drizzle/PostgreSQL + SSE realtime sync — highlight,
freehand, comment, bookmark + ฟีเจอร์ต่อยอด F1–F19 (edit/move, undo/redo,
shapes, redaction, export PDF/CSV, reply, resolve, search, summary,
textbox, stamp, version history)

Co-Authored-By: Claude Code <noreply@anthropic.com>

app/page.tsx

@@ -0,0 +1,52 @@
+import Link from "next/link";
+import { asc } from "drizzle-orm";
+import { FileText } from "lucide-react";
+
+import { db } from "@/db";
+import { files } from "@/db/schema";
+
+export const dynamic = "force-dynamic";
+
+export default async function HomePage() {
+  const rows = await db.select().from(files).orderBy(asc(files.createdAt));
+
+  return (
+    <main className="mx-auto max-w-2xl p-8">
+      <h1 className="text-2xl font-bold text-primary">Jude&apos;s Note</h1>
+      <p className="mt-1 text-sm text-slate-500">
+        ระบบ PDF Annotation สำหรับ e-Court
+      </p>
+
+      {rows.length === 0 ? (
+        <p className="mt-8 rounded border border-dashed p-6 text-center text-sm text-slate-500">
+          ยังไม่มีไฟล์ในระบบ — รัน /sync-db เพื่อ seed ไฟล์ตัวอย่าง
+        </p>
+      ) : (
+        <ul className="mt-6 space-y-2">
+          {rows.map((f) => (
+            <li
+              key={f.id}
+              className="flex items-center gap-3 rounded-lg border bg-white p-4 shadow-sm"
+            >
+              <FileText className="h-5 w-5 shrink-0 text-slate-400" />
+              <span className="min-w-0 flex-1">
+                <span className="block break-all line-clamp-2 text-sm font-medium">
+                  {f.title}
+                </span>
+                <span className="block text-xs text-slate-400">
+                  {new Date(f.createdAt).toLocaleString("th-TH")}
+                </span>
+              </span>
+              <Link
+                href={`/annotate/${f.id}`}
+                className="shrink-0 rounded-md bg-primary px-3 py-1.5 text-sm font-medium text-white transition hover:opacity-90"
+              >
+                Annotate
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+    </main>
+  );
+}