Fix CI integration test failures

- Add proxy-body-size annotation to allow unlimited uploads via nginx
- Add requires_direct_s3 marker for tests needing direct MinIO access
- Exclude requires_direct_s3 tests from CI (can't access MinIO from outside K8s)
- Add auto-migration for tag ref_count triggers to ensure they exist

CHANGELOG.md

@@ -84,6 +84,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed CI integration test rate limiting: added configurable `ORCHARD_LOGIN_RATE_LIMIT` env var, relaxed to 1000/minute for dev/stage
 - Fixed duplicate `TestSecurityEdgeCases` class definition in test_auth_api.py
 - Fixed integration tests auth: session-scoped client, configurable credentials via env vars, fail-fast on auth errors
+- Fixed 413 Request Entity Too Large errors on uploads by adding `proxy-body-size: "0"` nginx annotation to Orchard ingress
+- Fixed CI tests that require direct S3 access: added `@pytest.mark.requires_direct_s3` marker and excluded from CI
+- Fixed ref_count triggers not being created: added auto-migration for tags ref_count trigger functions
 - Fixed Content-Disposition header encoding for non-ASCII filenames using RFC 5987 (#38)
 - Fixed deploy jobs running even when tests or security scans fail (changed rules from `when: always` to `when: on_success`) (#63)
 - Fixed python_tests job not using internal PyPI proxy (#63)