LCORE-4570: update gpt-4o-mini to gpt-5.6-luna

[radofuchs]

Description

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up service version
• Bump-up dependent library [pyproject.toml + uv.lock]
• Bump-up dependent library [requirements.*.txt for Konflux]
• Bump-up library or tool used for development (does not change the final image)
• CI configuration change
• Konflux configuration change
• Unit tests improvement
• Integration tests improvement
• End to end tests improvement
• Benchmarks improvement

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• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

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📥 Commits

Reviewing files that changed from the base of the PR and between 13a9386 and e06a63f.

📒 Files selected for processing: 119

• .github/workflows/e2e_tests_providers.yaml
• Makefile
• README.md
• docker-compose-library.yaml
• docker-compose.yaml
• docs/basic_info/getting_started.md
• docs/design/conversation-compaction/conversation-compaction-spike.md
• docs/design/conversation-compaction/conversation-compaction.md
• docs/design/ogx-config-merge/ogx-config-merge-spike.md
• docs/design/ogx-config-merge/ogx-config-merge.md
• docs/devel_doc/container_orchestration.md
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• docs/models/common.json
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• docs/testing/e2e_testing.md
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• docs/user_doc/config.html
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• docs/user_doc/config.md
• docs/user_doc/conversation_compaction.md
• docs/user_doc/deployment_guide.md
• docs/user_doc/rag_guide.md
• docs/user_doc/shields_guide.md
• examples/azure-run.yaml
• examples/lightspeed-stack-shields.yaml
• examples/lightspeed-stack-unified-byo-llm.yaml
• examples/profiles/openai-remote.yaml
• examples/run.yaml
• examples/vllm-rhelai.yaml
• run.yaml
• src/data/default_run.yaml
• tests/benchmarks/data/python_1000_lines.py
• tests/benchmarks/data_generators.py
• tests/configuration/unified-mode/lightspeed-stack-invalid-config-and-legacy.yaml
• tests/configuration/unified-mode/lightspeed-stack-invalid-providers-and-legacy.yaml
• tests/configuration/unified-mode/lightspeed-stack-invalid-version-legacy-unified-body.yaml
• tests/configuration/unified-mode/lightspeed-stack-legacy-for-migration.yaml
• tests/e2e-prow/rhoai/manifests/lightspeed/ogx-openai.yaml
• tests/e2e-prow/rhoai/manifests/lightspeed/ogx-prow.yaml
• tests/e2e-prow/rhoai/pipeline-konflux.sh
• tests/e2e/configs/run-azure.yaml
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• tests/e2e/configs/run-watsonx.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-a2a.yaml
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• tests/e2e/configuration/library-mode/lightspeed-stack-byok-pdf.yaml
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• tests/e2e/configuration/library-mode/lightspeed-stack-default.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-legacy.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-shields-empty.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-shields-override-disabled.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-shields.yaml
• tests/e2e/configuration/library-mode/lightspeed-stack-skills-directory.yaml
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• tests/e2e/configuration/library-mode/lightspeed-stack.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-a2a.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-authorized.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-compaction-disabled.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-compaction.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-default.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-degraded.yaml
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• tests/e2e/configuration/server-mode/lightspeed-stack-okp-tool-offline.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-okp-tool-online.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-shields-empty.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-shields-override-disabled.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-shields.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-skills-directory.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack-skills.yaml
• tests/e2e/configuration/server-mode/lightspeed-stack.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-legacy-for-migration.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-unified-absolute-profile.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-unified-config-only.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-unified-migrated.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-unified-providers.yaml
• tests/e2e/configuration/unified-mode/library-mode/lightspeed-stack-unified-relative-profile.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-legacy-for-migration.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-unified-absolute-profile.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-unified-config-only.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-unified-migrated.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-unified-providers.yaml
• tests/e2e/configuration/unified-mode/server-mode/lightspeed-stack-unified-relative-profile.yaml
• tests/e2e/features/environment.py
• tests/e2e/features/query.feature
• tests/e2e/features/shields.feature
• tests/e2e/features/shields_granite_guardian.feature
• tests/integration/test_unified_synthesis.py
• tests/unit/app/endpoints/test_rlsapi_v1.py
• tests/unit/app/endpoints/test_shields.py
• tests/unit/cache/test_in_memory_cache.py
• tests/unit/cache/test_noop_cache.py
• tests/unit/cache/test_postgres_cache.py
• tests/unit/cache/test_sqlite_cache.py
• tests/unit/models/config/test_inference_configuration.py
• tests/unit/models/responses/test_successful_responses.py
• tests/unit/models/test_compaction.py
• tests/unit/pydantic_ai_lightspeed/ogx/test_provider.py
• tests/unit/telemetry/conftest.py
• tests/unit/telemetry/test_configuration_snapshot.py
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• tests/unit/test_ogx_synthesize.py
• tests/unit/utils/dumpers/test_models_dumper.py
• tests/unit/utils/test_compaction.py
• tests/unit/utils/test_conversation_compaction.py
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• tests/unit/utils/test_responses.py
• tests/unit/utils/test_shields.py
• tests/unit/utils/test_token_estimator.py

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