Add canonical audio preparation and meeting context support

scripts/run_mvp_meeting.py

@@ -33,6 +33,16 @@ def parse_args(argv: list[str] | None = None) -> argparse.Namespace:
     parser.add_argument("audio_file", type=Path)
     parser.add_argument("--whisper-model", type=Path, required=True)
     parser.add_argument("--whisper-executable", default="whisper-cli")
+    parser.add_argument("--ffmpeg-executable", default="ffmpeg")
+    parser.add_argument(
+        "--audio-normalization",
+        action=argparse.BooleanOptionalAction,
+        default=True,
+        help=(
+            "Enable FFmpeg loudness normalization during canonical audio preparation "
+            "(default: enabled)."
+        ),
+    )
     parser.add_argument("--context", type=Path)
     parser.add_argument("--output-root", type=Path, default=DEFAULT_OUTPUT_ROOT)
     parser.add_argument("--language", default="de")
@@ -73,6 +83,8 @@ def config_from_args(args: argparse.Namespace) -> MvpMeetingConfig:
         audio_file=args.audio_file,
         whisper_model=args.whisper_model,
         whisper_executable=args.whisper_executable,
+        ffmpeg_executable=args.ffmpeg_executable,
+        audio_normalization=args.audio_normalization,
         context_file=args.context,
         output_root=args.output_root,
         language=args.language,