fix(test): resolve target path in symlink test for macOS

On macOS, /var is a symlink to /private/var, so EvalSymlinks returns
the canonical path. The test needs to resolve the expected target path
before comparison.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/utils/path_test.go

@@ -212,8 +212,10 @@ func TestResolveForWrite(t *testing.T) {
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)
 		}
-		if got != target {
-			t.Errorf("got %q, want %q", got, target)
+		// Resolve target too - on macOS, /var is symlink to /private/var
+		wantTarget, _ := filepath.EvalSymlinks(target)
+		if got != wantTarget {
+			t.Errorf("got %q, want %q", got, wantTarget)
 		}
 	})