fix(auth): add Windows session storage bridge

tools/tht/internal/safeio/private_read_unix.go

@@ -0,0 +1,17 @@
+//go:build !windows
+
+package safeio
+
+func readCanonicalPrivateRegular(path string, maximum int64) ([]byte, error) {
+	if err := ValidatePrivateRegular(path); err != nil {
+		return nil, ErrUnsafeFile
+	}
+	contents, err := ReadCanonicalRegular(path, maximum)
+	if err != nil {
+		return nil, ErrUnsafeFile
+	}
+	if err := ValidatePrivateRegular(path); err != nil {
+		return nil, ErrUnsafeFile
+	}
+	return contents, nil
+}