fix(lint): remove redundant function prefixes (E331) across packages
Rename get_*, find_*, create_*, make_* functions to drop redundant prefixes:
standard-site (6 renames), tangled (17 renames + 3 local), hermest (8 renames),
xrpc (7 renames), xrpc-auth (9 renames), bloom (3 renames). All call sites
updated across lib, cli, and test code.