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>

project.json

@@ -7,7 +7,7 @@
     "lock": {
       "executor": "@nxlv/python:run-commands",
       "options": {
-        "command": "uv lock --no-update",
+        "command": "uv lock --no-upgrade",
         "cwd": "apps/core"
       }
     },
@@ -26,7 +26,10 @@
     "dev": {
       "executor": "@nxlv/python:run-commands",
       "options": {
-        "commands": ["./otel/start-otel-collector.sh", "uv run letta server"],
+        "commands": [
+          "./otel/start-otel-collector.sh",
+          "uv run letta server"
+        ],
         "parallel": true,
         "cwd": "apps/core"
       }