### Describe the bug The repro itself speaks more than a thousand words here. Either I am missing something, or callback shouldn't be run in reactive context in this case. ### Reproduction [REPL](https://svelte.dev/playground/hello-world?version=5.37.3#H4sIAAAAAAAAE61STY_TMBD9K4NBaiJF6b20lVYIiQOc4EY5uMlksda1I3vSsrL83xnH3u1md-GAOCSW37w3H28chJEnFBvxCbW2cLFO91Bhrwj7WjRiUBq92HwPgu7HxEsA40V1M46tP6OmhB2lx9fwzhpCQ5xGbH3n1Ej7gzmQOo3WEXywfBqOw-DsCVbt-hEpKVbMZn6npffwDT1BSPcDnaWeEHbwzpMkrAapPdYpFIvCGiZTUuzA4GUWVzNDI4H_aS8v1dv1tUezPU5E1oA1nVbd3S5UNez2UBXpm3TWcZ_bY0KSZwlj4a0a5iKpHdpeBw2ppQjrxFmrgcPsEuEvEhtyE8bmD24_N2bp-SvRvzsfeKwvdjLUwC3SzZGxr-rWSN0Ag052dxDLUsoi3j_1NWRnY7JwdHb02dn0lbxVdqtsK6v8XIE1y5JFS_mfErcP202WZDhrW9n3H8881mfleTp01UqmRKsGFvWepZn3myMxP5L66TSPb6lHp87Yt8f7f2j__3Z4IIc0OQNX2kPji1ca5lBcPqIffJNKX5TpxWZOHX8DJEukHe0DAAA=) ### Logs ```shell ``` ### System Info ```shell irrelevant ``` ### Severity annoyance