gahusb 91de16675b fix(signal_v2-phase3b): use BaseChronosPipeline for new model architectures ...

ChronosPipeline (legacy T5) does not support amazon/chronos-2 or
chronos-bolt-* (input_patch_size). Switch to BaseChronosPipeline
which auto-detects variant and returns the appropriate sub-pipeline
(ChronosBoltPipeline / Chronos2Pipeline / ChronosPipeline).

Also handle the dtype kwarg deprecation: try newer `dtype=` first,
fall back to `torch_dtype=` for older versions.

Test mock_pipeline fixture updated to patch BaseChronosPipeline.

45/45 tests pass. Verified amazon/chronos-bolt-base loads on CUDA.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-17 08:57:22 +09:00

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