diff --git a/crates/pi-natives/src/path_identity.rs b/crates/pi-natives/src/path_identity.rs
index b84f7d41de0..844e622efbc 100644
--- a/crates/pi-natives/src/path_identity.rs
+++ b/crates/pi-natives/src/path_identity.rs
@@ -2887,8 +2887,10 @@ pub(crate) mod platform {
 		path: &Path,
 		kind: &str,
 		// Consulted only by the macOS read-denial retry below.
-		_policy: AcquisitionPolicy,
+		policy: AcquisitionPolicy,
 	) -> Result<CheckedPathAuthority, NativeOwnerOnlySecurityResult> {
+		#[cfg(not(target_os = "macos"))]
+		let _ = policy;
 		if !matches!(kind, "directory" | "file") {
 			return Err(NativeOwnerOnlySecurityResult::failure("io_error"));
 		}
@@ -2983,7 +2985,7 @@ pub(crate) mod platform {
 		let target_fd = if target_fd < 0 && !is_directory {
 			let read_error = std::io::Error::last_os_error();
 			if read_error.raw_os_error() == Some(libc::EACCES)
-				&& _policy == AcquisitionPolicy::RepairableWrite
+				&& policy == AcquisitionPolicy::RepairableWrite
 			{
 				// A hostile macOS ACL may deny reads while leaving owner writes
 				// available. Retry only that denial with write authority so ACLs can
diff --git a/packages/natives/changelog.d/task-admission-stack-native-prerequisite.md b/packages/natives/changelog.d/task-admission-stack-native-prerequisite.md
new file mode 100644
index 00000000000..9d70aa479cc
--- /dev/null
+++ b/packages/natives/changelog.d/task-admission-stack-native-prerequisite.md
@@ -0,0 +1,3 @@
+### Fixed
+
+- Keep owner-only native acquisition policy checks compatible with strict macOS Clippy and regenerate matching diagnostic-artifact provenance without relaxing readonly security or loader validation.
diff --git a/packages/natives/native/diagnostic-artifact.json b/packages/natives/native/diagnostic-artifact.json
index be7fdeeb97a..6e2ecbf42c3 100644
--- a/packages/natives/native/diagnostic-artifact.json
+++ b/packages/natives/native/diagnostic-artifact.json
@@ -1,7 +1,7 @@
 {
   "schema": "gjc.diagnostic-artifact",
-  "version": "0.17.7",
+  "version": "0.18.5",
   "artifacts": {
-    "pi_natives.darwin-arm64.node": "5a88297e7e66ae33fdffe08bfcad0291395c18a67dd7916fbadd5a11e0fcc633"
+    "pi_natives.darwin-arm64.node": "3708c0a4a667f5aa87d7d1fe39f7f003cdb79c141af9cf920e939843cfaf9dbe"
   }
 }