feat: uv migration (#3493)

* uv migration

smaller runners, freeze test runs, remove dev, ruff,hatchling, previw,
poetry, generates wheel, installs wheel, docker

* fix tests and dependency groups

* test fixes

* test fixing and main

* resolve merge conflict

* dev + test dependency group

* Test

* trigger CI

* trigger CI

* add debugging info

* trigger CI

* uv for reusable and sdk preview

* resolve mc and reformat black

* staged-api

* mypy

* fix fern

* prod Dockerfile

* model sweep, and project.toml and uvlock

* --group test -> --extra dev

* remove redundant --extra dev and rename tests to dev

* sdk backwards compat install sqlite

* install sqlite group for sdk-backwards-compat

* install uv on gh runner for cloud-api-integration-tests

* stage+publish

* pytest asyncio

* bug causing pytest package to get removed

* try to fix async event loop issues

* migrate to --with google-cloud-secret-manager

---------

Co-authored-by: Kian Jones <kian@letta.com>

tests/pytest.ini

@@ -3,6 +3,7 @@ pythonpath = /letta
 testpaths = /tests
 asyncio_mode = auto
 asyncio_default_fixture_loop_scope = function
+asyncio_default_test_loop_scope = function
 filterwarnings =
     ignore::pytest.PytestRemovedIn9Warning
     # suppresses the warnings we see with the event_loop fixture