fix: correct ordering of commands; append file logs into corresponding provided file build parameter

src/root.zig

@@ -25,7 +25,8 @@ fn logFn(
         }, 0o600) catch @panic("Could not append to log file");
         defer std.posix.close(fd);
 
-        var buffer = fs.File.stderr().writer(&buf);
+        var file: fs.File = .{ .handle = fd };
+        var buffer = file.writer(&buf);
         var writer = &buffer.interface;
         defer writer.flush() catch unreachable;
 
@@ -42,13 +43,13 @@ fn logFn(
         };
         const complete_format = level_txt ++ prefix ++ format ++ "\n";
 
+        std.debug.lockStdErr();
+        defer std.debug.unlockStdErr();
+
         var buffer = fs.File.stderr().writer(&buf);
         var writer = &buffer.interface;
         defer writer.flush() catch unreachable;
 
-        std.debug.lockStdErr();
-        defer std.debug.unlockStdErr();
-
         log_writing(writer, complete_format, true, args);
     }
 }