refactor(BA-5978): introduce BackendAISchema for per-domain validation errors#11514

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HyeockJinKim merged 44 commits into

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fix/BA-5978-pydantic-validation-domain-errors

May 12, 2026

Commits on May 12, 2026

fix(BA-5978): convert pydantic validation errors to domain errors

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refactor: keep convert_validation_error original signature

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refactor: consolidate pydantic loc formatting

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revert: keep extract_param_value defensive try/except

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revert: drop out-of-scope common-layer message tweaks

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test: add unit tests for format_pydantic_validation_errors

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chore(BA-5978): address PR review feedback

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test: extract _LocCase NamedTuple for parametrize readability

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test: add at-a-glance docstrings to pydantic validation tests

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test: add InvalidSessionCreationConfig domain error test

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refactor(BA-5978): introduce BackendAIModel.bai_validate

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refactor(BA-5978): simplify ApiPayloadModel to a single 400 path

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refactor(BA-5978): override model_validate on ApiPayloadModel

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style: ruff line-length wrap for ManagerUnifiedConfig.model_validate

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refactor(BA-5978): rename ApiPayloadModel to BackendAIModel and add bai_validation_error helper

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refactor(BA-5978): promote BackendAIModel to BaseConfigSchema and BaseConfigModel

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refactor(BA-5978): drop bai_validation_error machinery, log raw pydantic error

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test(BA-5978): expect InvalidAPIParameters from ScalingGroupOpts.model_validate

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refactor(BA-5978): introduce ModelValidationFailed and drop manual try/except

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refactor(BA-5978): move BackendAIModel from exception to types

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refactor(BA-5978): pass pydantic ValidationError through unchanged

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refactor(BA-5978): restore domain wrappers, rename to BackendAIModelValidationFailed

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refactor(BA-5978): drop BackendAIError.from_pydantic, inline at call sites

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refactor(BA-5978): narrow PR diff to validation-error catch swap only

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refactor(BA-5978): drop extra_data passthrough in domain wrappers

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revert(BA-5978): leave session/handler.py untouched

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revert(BA-5978): leave gql_legacy/scaling_group.py untouched

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fix(BA-5978): drop duplicate _route_legacy_uuid_mounts after rebase

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feat(BA-5978): make BackendAIModel.build_validation_error overridable

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refactor(BA-5978): rename BackendAIModel -> BackendAISchema

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refactor(BA-5978): rename ModelValidationFailureInfo -> SchemaValidationFailureInfo

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docs(BA-5978): drop verbose __init__ note from BackendAISchema docstring

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refactor(BA-5978): route ModelConfigDraft.to_resolved through model_validate

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refactor(BA-5978): route ModelDefinitionDraft.to_resolved through model_validate

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refactor(BA-5978): restore {model_path} placeholder comment

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chore(BA-5978): refresh news fragment to mention BackendAISchema
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fix(BA-5978): use PARSING for ModelDefinitionValidationError.error_code

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fix(BA-5978): strip input/ctx from SchemaValidationFailureInfo.errors

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chore(BA-5978): address review feedback

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Revert "fix(BA-5978): strip input/ctx from SchemaValidationFailureInfo.errors"

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fix(BA-5978): update tests to accept BackendAISchemaValidationFailed

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fix(BA-5978): sort imports in tests touched by BackendAISchemaValidationFailed addition

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fix(BA-5978): make dump_json tolerate non-JSON objects via str fallback

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fix(BA-5978): strip ctx/input from validation errors, drop global json hack

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