Stream tqdm progress to Gradio UI

Add progress=gr.Progress(track_tqdm=True) to each @spaces.GPU handler
(generate, voice_design, voice_clone, generate_raw) so tqdm bars from
the inference path surface as progress in the UI.

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

app.py

@@ -302,6 +302,7 @@ def generate(
     background_sfx: bool,
     validate: bool,
     skip_vc: bool,
+    progress=gr.Progress(track_tqdm=True),
 ):
     if not voice.strip():
         raise gr.Error("Voice description is required.")
@@ -331,6 +332,7 @@ def voice_design(
     scene: str,
     language: str,
     seed: int,
+    progress=gr.Progress(track_tqdm=True),
 ):
     if not voice.strip():
         raise gr.Error("Voice description is required.")
@@ -363,6 +365,7 @@ def voice_clone(
     vc_cfg_rate: float,
     background_sfx: bool,
     validate: bool,
+    progress=gr.Progress(track_tqdm=True),
 ):
     if not voice.strip():
         raise gr.Error("Voice description is required.")
@@ -406,6 +409,7 @@ def generate_raw(
     background_sfx: bool,
     validate: bool,
     skip_vc: bool,
+    progress=gr.Progress(track_tqdm=True),
 ):
     if not raw_xml.strip():
         raise gr.Error("Prompt XML is required.")