phase 5

detect/emit.py

@@ -35,6 +35,14 @@ def stats(job_id: str | None, **kwargs) -> None:
     push_detect_event(job_id, "stats_update", dataclasses.asdict(s))
 
 
+def graph_update(job_id: str | None, nodes: list[dict]) -> None:
+    """Emit a graph_update event with node states."""
+    if not job_id:
+        return
+    payload = {"nodes": nodes}
+    push_detect_event(job_id, "graph_update", payload)
+
+
 def detection(
     job_id: str | None,
     brand: str,