* logical changes in repo
* tests
* tweak commit data
* building pds
* patching up some tests
* tidy + more tests
* patch up bsky
* clean up db
* db migration
* small patches
* fix up another test
* reinclude prevs
* api & lex updates
* add back in deprecated routes
* backward compatibility for commit v2
* add upgrade repo version root
* move namespace
* migration test
* patch up a few more tests
* remove deprecated rebase routes
* tweak api
* sprinkle rev around a few more places
* getCurrent -> getLatestCommit
* fix test
* pr feedback & tidy
* fix up block pagination
* tidy again
* add in a tets
* add cursor to listBlobs
* getRepo rev -> since
* clean up proofs test
* dont change getHead
* tweak migrate route
* build branch
* hit index in block range query
* check for dupe record refs
* tidy
* set prev to null
* dont build branch