add heavy loggin

detect/graph.py

@@ -236,7 +236,8 @@ def node_escalate_vlm(state: DetectState) -> dict:
 
     existing = state.get("detections", [])
 
-    _emit_transition(state, "escalate_vlm", "done")
+    vlm_skipped = os.environ.get("SKIP_VLM", "").strip() == "1"
+    _emit_transition(state, "escalate_vlm", "skipped" if vlm_skipped else "done")
     return {
         "detections": existing + vlm_matched,
         "unresolved_candidates": still_unresolved,
@@ -268,7 +269,8 @@ def node_escalate_cloud(state: DetectState) -> dict:
 
     existing = state.get("detections", [])
 
-    _emit_transition(state, "escalate_cloud", "done")
+    cloud_skipped = os.environ.get("SKIP_CLOUD", "").strip() == "1"
+    _emit_transition(state, "escalate_cloud", "skipped" if cloud_skipped else "done")
     return {"detections": existing + cloud_matched, "stats": stats}
 
 
@@ -302,11 +304,33 @@ _CHECKPOINT_ENABLED = os.environ.get("MPR_CHECKPOINT", "").strip() == "1"
 _frames_manifest: dict[str, dict[int, str]] = {}  # job_id → manifest (cached per job)
 
 
+class PipelineCancelled(Exception):
+    """Raised when a pipeline run is cancelled."""
+    pass
+
+
+# Cancellation hook — set by the run endpoint, checked before each node
+_cancel_check: dict[str, callable] = {}
+
+
+def set_cancel_check(job_id: str, fn):
+    _cancel_check[job_id] = fn
+
+
+def clear_cancel_check(job_id: str):
+    _cancel_check.pop(job_id, None)
+
+
 def _checkpointing_node(node_name: str, node_fn):
     """Wrap a node function to auto-checkpoint after completion."""
     stage_index = NODES.index(node_name)
 
     def wrapper(state: DetectState) -> dict:
+        job_id = state.get("job_id", "")
+        check = _cancel_check.get(job_id)
+        if check and check():
+            raise PipelineCancelled(f"Cancelled before {node_name}")
+
         result = node_fn(state)
 
         job_id = state.get("job_id", "")