feat: implement archiving functionality for counters and update related logic

app/api/counters/[id]/decrement/route.ts

@@ -8,7 +8,7 @@ type Params = { params: Promise<{ id: string }> };
 export async function POST(_req: Request, { params }: Params) {
   const { id } = await params;
   const tx = db.transaction(() => {
-    const row = db.prepare('UPDATE counters SET value = value - 1 WHERE id = ? AND value > 0 RETURNING *').get(Number(id));
+    const row = db.prepare('UPDATE counters SET value = value - 1 WHERE id = ? AND value > 0 AND archived_at IS NULL RETURNING *').get(Number(id));
     if (row) db.prepare('INSERT INTO events (counter_id, delta, created_at) VALUES (?, -1, ?)').run(Number(id), Date.now());
     return row;
   });