feat(redis): optimize TTL display with human-readable format (#1689)

apps/desktop/src/lib/ttlFormat.ts

@@ -0,0 +1,26 @@
+/**
+ * Formats Redis TTL (seconds) as a compact string:
+ *   < 1 day  →  HH:mm:ss
+ *   >= 1 day →  {n}d HH:mm:ss  (day unit localized)
+ *
+ * Returns null for ttl === -1 (no expiry) or ttl <= 0.
+ */
+
+type TranslateFn = (key: string, options?: Record<string, unknown>) => string;
+
+export function formatTtl(ttl: number, t: TranslateFn): string | null {
+  if (ttl === -1) return null;
+  if (ttl <= 0) return null;
+
+  const days = Math.floor(ttl / 86_400);
+  const hours = Math.floor((ttl % 86_400) / 3_600);
+  const minutes = Math.floor((ttl % 3_600) / 60);
+  const seconds = ttl % 60;
+
+  const time = [String(hours).padStart(2, "0"), String(minutes).padStart(2, "0"), String(seconds).padStart(2, "0")].join(":");
+
+  if (days > 0) {
+    return `${t("redis.ttlDay", { count: days })} ${time}`;
+  }
+  return time;
+}