phase 1

detect/graph/__init__.py

@@ -0,0 +1,29 @@
+"""
+Detection pipeline graph.
+
+    detect/graph/
+        nodes.py    — node functions (one per stage)
+        events.py   — graph_update SSE emission
+        runner.py   — pipeline execution (LangGraph wrapper, checkpoint, cancel)
+"""
+
+from .nodes import NODES, NODE_FUNCTIONS
+from .runner import (
+    PipelineCancelled,
+    build_graph,
+    clear_cancel_check,
+    get_pipeline,
+    set_cancel_check,
+)
+from .events import _node_states
+
+__all__ = [
+    "NODES",
+    "NODE_FUNCTIONS",
+    "PipelineCancelled",
+    "build_graph",
+    "get_pipeline",
+    "set_cancel_check",
+    "clear_cancel_check",
+    "_node_states",
+]