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backend/requirements-mlx.txt

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+# MLX-specific dependencies (Apple Silicon only)
+# These should only be installed on aarch64-apple-darwin platforms
+
+mlx>=0.30.0
+
+# miniaudio is a runtime dep of mlx-audio's STT path (mlx_audio.stt).
+# mlx-audio itself is installed --no-deps (see comment below), so we
+# must list miniaudio explicitly here or transcription fails on fresh
+# M1 installs with `ModuleNotFoundError: miniaudio` (issue #505).
+miniaudio>=1.59
+
+# NOTE: mlx-audio is intentionally not listed here. From 0.3.1 onward it
+# declares `transformers==5.0.0rc3` / `>=5.0.0`, which conflicts with the
+# `transformers<=4.57.6` cap in requirements.txt and breaks CI's clean
+# resolver. The mlx-audio API surface we use (mlx_audio.tts.load,
+# mlx_audio.stt.load) works fine on transformers 4.57.x in practice.
+#
+# Install it via `pip install --no-deps mlx-audio==0.4.1` after this file
+# (see .github/workflows/release.yml). Most other mlx-audio runtime deps
+# (huggingface_hub, librosa, mlx-lm, numba, numpy, protobuf, pyloudnorm,
+# sounddevice, tqdm) are already in requirements.txt or pulled in by
+# other engines.