Fix Gradio 6.0 theme/css warning and refresh speaker status after lock.

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -62,14 +62,15 @@ def _save_upload(upload_file) -> str | None:
 # ---------------------------------------------------------------------------
 # 模块 1：音色锁定
 # ---------------------------------------------------------------------------
-def ui_lock_speaker(audio_file, sample_transcript: str) -> str:
+def ui_lock_speaker(audio_file, sample_transcript: str) -> tuple[str, str]:
     """【音色锁定】从参考人声提取并保存 Speaker Embedding。"""
     path = _save_upload(audio_file)
     if not path:
-        return "请上传 10-30 秒干净参考人声（wav/mp3 均可）。"
+        return "请上传 10-30 秒干净参考人声（wav/mp3 均可）。", ui_speaker_status()
 
     ok, msg = save_fixed_speaker(path, sample_transcript or "")
-    return msg if ok else f"❌ {msg}"
+    result = msg if ok else f"❌ {msg}"
+    return result, ui_speaker_status()
 
 
 def ui_speaker_status() -> str:
@@ -201,9 +202,9 @@ footer { visibility: hidden; }
 """
 
 
-def build_app() -> gr.Blocks:
-    """构建 Gradio 主界面。"""
-    theme = gr.themes.Monochrome(
+def build_theme() -> gr.themes.Base:
+    """构建暗黑科技风 Monochrome 主题（Gradio 6.0 需在 launch() 传入）。"""
+    return gr.themes.Monochrome(
         primary_hue="slate",
         secondary_hue="gray",
         neutral_hue="slate",
@@ -221,10 +222,11 @@ def build_app() -> gr.Blocks:
         button_primary_background_fill_hover="#4a4a60",
     )
 
+
+def build_app() -> gr.Blocks:
+    """构建 Gradio 主界面。"""
     with gr.Blocks(
         title="Trading Studio | 交易复盘配音中控",
-        theme=theme,
-        css=CUSTOM_CSS,
     ) as demo:
         gr.Markdown(
             f"""
@@ -241,7 +243,7 @@ def build_app() -> gr.Blocks:
         with gr.Row():
             ollama_status = gr.Textbox(
                 label="Ollama 节点",
-                value=f"模型: {MODEL_NAME}",
+                value="检测中...",
                 interactive=False,
                 scale=3,
                 elem_classes=["status-bar"],
@@ -280,7 +282,11 @@ def build_app() -> gr.Blocks:
                     )
                 lock_btn = gr.Button("🔒 锁定音色", variant="primary")
                 lock_log = gr.Textbox(label="锁定结果", lines=4, interactive=False)
-                lock_btn.click(ui_lock_speaker, [spk_audio, spk_transcript], lock_log)
+                lock_btn.click(
+                    ui_lock_speaker,
+                    [spk_audio, spk_transcript],
+                    [lock_log, speaker_status],
+                )
 
             # ---- Tab 2: 分步操作 ----
             with gr.Tab("🔧 分步流水线"):
@@ -370,6 +376,8 @@ def main() -> None:
         server_port=PORT,
         share=False,
         show_error=True,
+        theme=build_theme(),
+        css=CUSTOM_CSS,
         allowed_paths=[str(Path(__file__).resolve().parent / "outputs")],
     )