chore: improve agent development setup (#1642) #6081

Job	Run time
linting	10s
E2E shard 1 tests on Python 3.13	1m 54s
type-checking	18s
E2E shard 2 tests on Python 3.13	2m 42s
E2E live-provider tests on Python 3.13	1m 54s
Unit tests on Python 3.10	15s
Unit tests on Python 3.13	18s
Unit tests on Python 3.12	22s
Unit tests on Python 3.11	15s
Unit tests on Python 3.14	20s
all-tests-passed	6s
	8m 34s

Provide feedback