You can do it and only suffer if/when a rare inspection comes and also rare - finds fault in performance.
That said, I have the same clog/etc. fears as you so want to hire a septic pro that will bring his suction pump to clean out all pipes in the crushed & repair dig area. Make sure he knows what pipes, parts to bring to make this a quick & EZ process that doesn't have to work around weather.
I've done my share of my home septic repairs, pumps and even snaked the lateral lines over the decades = no more, thank you very much - from this I gladly retire.
GOOGLE
Can I repair my own septic system in Texas?
Almost all OSSFs must have a permit prior to any construction, installation, repair, extension, or other alteration. Any work on an OSSF must be performed by a licensed installer or
directly by the homeowner when it is their single-family residence.Feb 10, 2023
tx.gov
tceq.texas.gov