feat: implement T-019 reliable event ingress

Brain/yovision_brain/__main__.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import argparse
 import sys
 
+from .ingress import BrainEventIngress
 from .runtime import DemoEngine
 from .server import parse_bind, serve
 from .source import StreamSource, SyntheticSource, read_stream_url, require_opencv
@@ -14,6 +15,7 @@ def build_parser() -> argparse.ArgumentParser:
     parser.add_argument("--stream-url-file", help="absolute external file containing one RTSP URL")
     parser.add_argument("--bind", default="127.0.0.1:8090", help="loopback bind address")
     parser.add_argument("--fps", type=float, default=2.0, help="prototype processing FPS (0, 30]")
+    parser.add_argument("--event-ingress-config", help="absolute external Brain-to-Bell ingress configuration")
     return parser
 
 
@@ -30,7 +32,8 @@ def main(argv: list[str] | None = None) -> int:
             if args.stream_url_file:
                 raise ValueError("--stream-url-file is only valid for stream mode")
             source = SyntheticSource()
-        engine = DemoEngine(source, fps=args.fps)
+        event_ingress = BrainEventIngress.from_file(args.event_ingress_config) if args.event_ingress_config else None
+        engine = DemoEngine(source, fps=args.fps, event_ingress=event_ingress)
     except (RuntimeError, ValueError) as exc:
         print(f"Brain demo configuration error: {exc}", file=sys.stderr)
         return 2