I made this after reading an article (NY Times I think) by Chinese author Fang Fang who wrote a daily diary from her house in Wuhan, which covered the first few days of the lockdown. As things got worse, she kept going, posting her diaries on Chinese social media site Weibo. The Chinese government found out and would delete her posts almost immediately and began harassing her. Her posts were later collected and translated to English and are now a book called "Wuhan Diary: Dispatches from a Quarantined City" published by Harper Collins and available on Amazon.
That's the only first-hand account I'm aware of that's been saved and translated- There were multiple other Chinese citizen journalists trying to get their story out (usually via social media) but they were blocked, hunted and finally taken away by the government.
Other snippets of the story came from various news articles by foreign journalists who happened to live or be in Wuhan at the time- like the woman pleading with guards to let her daughter out of Wuhan for chemotherapy and the father pleading to get back in to take care of his disabled son, people who couldn't get back before lockdown forced to abandon their pets and the drones patrolling the streets with facial recognition technology.