phase 6

detect/graph.py

@@ -7,6 +7,8 @@ Each node emits graph_update events so the UI can visualize transitions.
 
 from __future__ import annotations
 
+import os
+
 from langgraph.graph import END, StateGraph
 
 from detect import emit
@@ -15,6 +17,9 @@ from detect.profiles import SoccerBroadcastProfile
 from detect.state import DetectState
 from detect.stages.frame_extractor import extract_frames
 from detect.stages.scene_filter import scene_filter
+from detect.stages.yolo_detector import detect_objects
+
+INFERENCE_URL = os.environ.get("INFERENCE_URL")  # None = local mode
 
 NODES = [
     "extract_frames",
@@ -84,10 +89,19 @@ def node_filter_scenes(state: DetectState) -> dict:
 
 def node_detect_objects(state: DetectState) -> dict:
     _emit_transition(state, "detect_objects", "running")
+
+    profile = _get_profile(state)
+    config = profile.detection_config()
+    frames = state.get("filtered_frames", [])
     job_id = state.get("job_id")
-    emit.log(job_id, "YOLODetector", "INFO", "Stub: object detection not yet implemented")
+
+    all_boxes = detect_objects(frames, config, inference_url=INFERENCE_URL, job_id=job_id)
+
+    stats = state.get("stats", PipelineStats())
+    stats.regions_detected = sum(len(boxes) for boxes in all_boxes.values())
+
     _emit_transition(state, "detect_objects", "done")
-    return {}
+    return {"stats": stats}
 
 
 def node_run_ocr(state: DetectState) -> dict: