Add an integration test suite that invokes the compiled ./gh-models executable usimg process execution and runs against the live LLM endpoints (no mocks). The test suite should not run as part of tve regular tests so it should be guarded by a flag and ...

Add an integration test suite that invokes the compiled ./gh-models executable usimg process execution and runs against the live LLM endpoints (no mocks). The test suite should not run as part of tve regular tests so it should be guarded by a flag and ... #15