onnxruntime

46292b20 - Segregate IExecutionProvider optional capabilities into mix-in interfaces

Segregate IExecutionProvider optional capabilities into mix-in interfaces Introduce IGraphCaptureCapability, ITuningCapability, and ICompileCapability mix-in interfaces that cluster the optional graph-capture, tuning, and compilation methods currently spread across IExecutionProvider as defaulted virtuals. Add non-breaking capability-query hooks (GetGraphCaptureCapability/GetTuningCapability/GetCompileCapability) that default to nullptr so callers can discover support by capability instead of relying on the large defaulted-virtual surface. Legacy virtuals are retained for compatibility; this is an additive first step toward migrating EPs off them. Add a CPU-only unit test proving unsupported capabilities return null, an exposed capability is queryable and usable, and capabilities are independent.