fixes

config.toml

@@ -3,6 +3,7 @@
 
 [extract]
 # Input files — relative to repo root or absolute. Same as extract.py inputs.
+# Example: file_a = "/path/to/movie_a.mkv"
 file_a = "/path/to/movie_a.mkv"
 file_b = "/path/to/movie_b.mp4"
 # Window to extract (seconds). This is the ONLY duration needed.
@@ -22,8 +23,8 @@ proxy_width = 192
 sample_rate = 48000
 channels = 1
 # If extracted wavs already exist, sync test can load them directly:
-# file_a_wav = "extracted/movie_b_audio.wav"
-# file_b_wav = "extracted/movie_a_audio.wav"
+# file_a_wav = "extracted/movie_a_audio.wav"
+# file_b_wav = "extracted/movie_b_audio.wav"
 # EBU R128 loudness normalization (two-pass loudnorm)
 normalize = true
 target_lufs = -14       # -14 streaming, -23 broadcast
@@ -48,5 +49,5 @@ max_lag = 0.0      # search half-window in seconds (0 = full range)
 prefer_proxy = true  # use {stem}_proxy.mkv when present, else {stem}_video.mkv
 decode_width = 192   # decode scale width when reading the full master
 # Explicit extracted files (optional, relative to repo root or absolute):
-# file_a_mkv = "extracted/movie_b_proxy.mkv"
-# file_b_mkv = "extracted/movie_a_proxy.mkv"
+# file_a_mkv = "extracted/movie_a_proxy.mkv"
+# file_b_mkv = "extracted/movie_b_proxy.mkv"