From 29efcbe2c4a5c3db8a36dd2b17d3131374c8b5b4 Mon Sep 17 00:00:00 2001
From: Quratulain-bilal <umayaimanshah@gmail.com>
Date: Mon, 10 Aug 2026 21:07:11 +0500
Subject: [PATCH] fix: use missing_ok=True in extension cache clear (#3845)

Replace check-then-act pattern (exists()+unlink()) with unlink(missing_ok=True)
to eliminate TOCTOU race condition. Matches the pattern already used for
per-URL cache files in the same method.