Adds integration contracts for MCP lifecycle, protocol errors and OAuth
configuration, A2A wire versions, the OpenAI consumer path, persisted
toolsets, callback delivery, guardrail effects, configured prices, the
filtered spend ledger, and a CircleCI-owned browser flow for project
detachment, with the ASGI, browser-state, client and MCP helpers they use.
Consolidates the eleven commits previously stacked on
litellm_integration_providers onto its rebased tip
tests/integration/conftest.py imported the bare `integration` package. Because
tests/__init__.py and tests/integration/__init__.py both exist, pytest's default
prepend import mode puts only the repo root on sys.path, so that name resolved
only under the PYTHONPATH that tests/integration/run.py injects. Every other
invocation died at conftest import with
ModuleNotFoundError: No module named 'integration' and exit 4, including the
command test_oci_integration.py documents in its own docstring.
The imports now use the tests.integration._support path that pytest actually
resolves, matching the 120 other `from tests.` imports in the suite. run.py's
PYTHONPATH still works because it already puts the repo root on the path.
tests/code_coverage_tests/test_integration_suite_imports.py collects every file
under tests/integration with PYTHONPATH scrubbed and asserts a non-zero
collection count, so an unresolvable import fails the code-quality job instead
of only the developers who run these files by hand. CI runs the three
pre-existing files through the allowlist rather than executing them, which is
why nothing caught this.
