fix: 修复写队列 busy 恢复、关闭安全、备份与配置构建问题

internal/store/disk_other.go

@@ -0,0 +1,9 @@
+//go:build !windows && !unix
+
+package store
+
+import "fmt"
+
+func availableBytes(_ string) (uint64, error) {
+	return 0, fmt.Errorf("disk space probe unsupported on this platform")
+}