REG-011 — after: real race tests against a live postgres:16-alpine container (port 55432) and a live amazon/dynamodb-local container (port 58000)

=== PostgreSQL: tests/test_postgres_concurrent_append_race.py -v ===
============================= test session starts ==============================
platform linux -- Python 3.11.15, pytest-9.1.1, pluggy-1.6.0
rootdir: /home/user/aegis-latent-core
configfile: pyproject.toml
plugins: pytest_httpserver-1.1.5, xdist-3.8.0, hypothesis-6.167.1, anyio-4.14.2, asyncio-1.4.0, cov-7.1.0
asyncio: mode=Mode.AUTO, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function
collected 3 items

tests/test_postgres_concurrent_append_race.py ...                        [100%]

============================== 3 passed in 1.40s ===============================

=== DynamoDB: tests/test_dynamodb_concurrent_append_race.py -v ===
============================= test session starts ==============================
platform linux -- Python 3.11.15, pytest-9.1.1, pluggy-1.6.0
rootdir: /home/user/aegis-latent-core
configfile: pyproject.toml
plugins: pytest_httpserver-1.1.5, xdist-3.8.0, hypothesis-6.167.1, anyio-4.14.2, asyncio-1.4.0, cov-7.1.0
asyncio: mode=Mode.AUTO, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function
collected 3 items

tests/test_dynamodb_concurrent_append_race.py ...                        [100%]

============================== 3 passed in 3.06s ===============================

=== repeated 3x for stability (no flake observed) ===
......                                                                   [100%]
6 passed in 4.17s
......                                                                   [100%]
6 passed in 4.19s
......                                                                   [100%]
6 passed in 4.17s

=== mocked suites re-run clean after the conftest.py real-import fix and the 7 call-site update in test_dynamodb_provider_new.py ===
........................................................................ [ 85%]
.........................                                                [100%]
169 passed in 2.30s
