From 84929bf85b0b29d72aea3e085f52a940c79fa8da Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Mon, 27 Apr 2026 08:43:01 +0100
Subject: [PATCH] fix: clean runtime deps backup owner marker

---
 scripts/stage-bundled-plugin-runtime-deps.mjs          | 1 +
 test/scripts/stage-bundled-plugin-runtime-deps.test.ts | 1 +
 2 files changed, 2 insertions(+)

diff --git a/scripts/stage-bundled-plugin-runtime-deps.mjs b/scripts/stage-bundled-plugin-runtime-deps.mjs
index df5bdc8fa5a..2b9507253f5 100644
--- a/scripts/stage-bundled-plugin-runtime-deps.mjs
+++ b/scripts/stage-bundled-plugin-runtime-deps.mjs
@@ -106,6 +106,7 @@ function replaceDirAtomically(targetPath, sourcePath) {
   } catch (error) {
     if (movedExistingTarget && !fs.existsSync(targetPath) && fs.existsSync(backupPath)) {
       fs.renameSync(backupPath, targetPath);
+      removePathIfExists(path.join(targetPath, TEMP_OWNER_FILE));
     }
     throw error;
   }
diff --git a/test/scripts/stage-bundled-plugin-runtime-deps.test.ts b/test/scripts/stage-bundled-plugin-runtime-deps.test.ts
index fa543db54d1..db08f95df44 100644
--- a/test/scripts/stage-bundled-plugin-runtime-deps.test.ts
+++ b/test/scripts/stage-bundled-plugin-runtime-deps.test.ts
@@ -392,6 +392,7 @@ describe("stageBundledPluginRuntimeDeps", () => {
     ).toThrow("rename failed after backup");
 
     expect(fs.readFileSync(path.join(targetPath, "marker.txt"), "utf8")).toBe("original\n");
+    expect(fs.existsSync(path.join(targetPath, "owner.json"))).toBe(false);
   });
 
   it("restages when installed root runtime dependency contents change", () => {