fix: made crtl+c work

waveform_cache.py

@@ -1,29 +0,0 @@
-"""
-Shared waveform cache — avoids re-reading and re-decoding large WAV files
-when the same file is loaded multiple times (e.g. sync_audio_test → verify).
-"""
-
-from __future__ import annotations
-import os
-import numpy as np
-
-_cache: dict[tuple[str, int], np.ndarray] = {}
-
-
-def cached_load_wav(path: str, target_sr: int = 48000) -> tuple[np.ndarray, int]:
-    """Load a WAV file with caching. Returns (audio_array, sample_rate)."""
-    real_path = os.path.realpath(path)
-    key = (real_path, target_sr)
-    if key in _cache:
-        print(f"  (cached: {os.path.basename(path)})")
-        return _cache[key].copy(), target_sr
-
-    # Import here to avoid circular imports
-    from sync_audio import load_wav
-    data, sr = load_wav(path, target_sr=target_sr)
-    _cache[key] = data
-    return data, sr
-
-
-def clear_cache():
-    _cache.clear()