chore(tos): bump cache version 6 → 7 for 014-2 recrop

The closeup studio cello shot (now atmosphere 2 after the swap)
had too much empty ceiling above the head. Recropped from
1440x2560 to 1440x1920 (3:4) with top offset 450px so the head sits
near the top of the frame and the full upper body is visible.

TOS upload: portraits/014-2.webp (overwrite).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/lib/tos.ts

@@ -14,7 +14,7 @@
  * 立即看到更新后的内容,不必等 TTL 过期或手动 invalidate。
  */
 const TOS_BASE = (process.env.NEXT_PUBLIC_TOS_DOMAIN ?? "").replace(/\/+$/, "");
-const TOS_VERSION = "6";
+const TOS_VERSION = "7";
 
 export function tosUrl(path: string): string {
   const clean = path.replace(/^\/+/, "");