change smartmode process

app.py

@@ -285,20 +285,16 @@ def smart_mode_process(input_file, api_key, multi_singer=False):
     crowd, _ = download_wav(crowd_resp['files'][0]['url'], target_fs=fs)
     other_after_crowd, _ = download_wav(crowd_resp['files'][1]['url'], target_fs=fs)
 
-    # Step 3: Reverb removal on "other" part
-    p((3, 8), "Removing Reverb")
-    other_buf = tempfile.NamedTemporaryFile(suffix=".flac", delete=False)
-    sf.write(other_buf.name, other_after_crowd, fs, format='FLAC', subtype='PCM_16')
-    other_buf.close()
-
-    reverb_resp = send_mvsep_audio_job(
-        api_key, open(other_buf.name, 'rb').read(), os.path.basename(other_buf.name),
-        sep_type=22, output_format=2, addopt1=0, addopt2=1
-    )
-    os.unlink(other_buf.name)
+    # Step 3: Reverb using SoX (like regular mode)
+    p((3, 8), "Applying Reverb")
+
+    # Use the same reverb_args as 'open' preset from create_5_1_surround
+    reverb_args = ['70', '40', '100', '95', '10', '0']  # music preset
 
-    # Ignore first file (no reverb), use second for SL/SR
-    reverb, _ = download_wav(reverb_resp['files'][1]['url'], target_fs=fs)
+    # Apply reverb to left and right channels separately
+    reverb_L = apply_reverb_wet_only(other_after_crowd[:, 0], fs, reverb_args)
+    reverb_R = apply_reverb_wet_only(other_after_crowd[:, 1], fs, reverb_args)
+    reverb = np.column_stack([reverb_L, reverb_R])
 
     # Step 4: Speech, music, SFX separation from 'other_after_crowd'
     p((4, 8), "Separating Speech, Music, and SFX")