I tried deleting /overlay/persistent-logs/logcat.log and rebooting. The storage usage appeared to decrease afterward. Upon rechecking /overlay/persistent-logs/logcat.log, I noticed it was continuously flooding with the following error:
04-29 01:22:40.329 11153 11153 I depthai-device-rvc4: /local/mnt/workspace/lnxbuild/project/trees_in_use/free_tree_dir/checkout/build-qti-distro-rb-debug/tmp-glibc/work/kalama-oe-linux/adsprpc/13.0-r1/adsprpc/src/fastrpc_config.c:335: fastrpc_config_init: Couldn't find file depthai-device-rvc4.debugconfig, errno (No such file or directory) at /opt/qcom/aistack/qairt/2.41.0.251128/lib/hexagon-v73/unsigned/, /usr/lib, /dsp/cdsp, /dsp, /usr/lib/rfsa/adsp, /dsp/cdsp, /dsp,