On mobile, you can use the pilipala third-party Bilibili client to turn Bilibili into a proactive search media library rather than a passive short video platform.
On desktop, you can use the Redirector plugin to automatically redirect from the Bilibili homepage https://www.bilibili.com/ to the search page https://search.bilibili.com/all as configured in the image below:
Combined with bilibili Page Purifier, you can turn off various functions and only keep the features you need (such as playlist subscriptions) to make Bilibili a proactive search platform instead of a passive push one.