feat(settings): Checkbox für Medien-Pause während Aufnahme

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

whisper_local/tray/_settings.py

@@ -103,9 +103,19 @@ class SettingsDialog:
             frame, textvariable=mic_var, values=mic_names, state="readonly", width=32
         ).grid(row=2, column=1, columnspan=2, sticky=tk.W, padx=4)
 
+        # --- Medien-Pause ---
+        pause_media_var = tk.BooleanVar(
+            value=self._config.pause_media_during_recording
+        )
+        ttk.Checkbutton(
+            frame,
+            text="Medienwiedergabe während Aufnahme pausieren",
+            variable=pause_media_var,
+        ).grid(row=3, column=0, columnspan=3, sticky=tk.W, pady=4)
+
         # --- Buttons ---
         btn_frame = ttk.Frame(frame)
-        btn_frame.grid(row=3, column=0, columnspan=3, pady=12, sticky=tk.E)
+        btn_frame.grid(row=4, column=0, columnspan=3, pady=12, sticky=tk.E)
 
         def save():
             new_config = Config(
@@ -117,6 +127,7 @@ class SettingsDialog:
                 channels=self._config.channels,
                 min_duration=self._config.min_duration,
                 microphone="" if mic_var.get() == "Standard" else mic_var.get(),
+                pause_media_during_recording=pause_media_var.get(),
             )
             save_config(new_config)
             self._on_save(new_config)