Port complete CAN-aware risk pipeline to C++

include/door_zone.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#include "door_risk.hpp"
+#include <deque>
+#include <unordered_map>
+
+namespace cms {
+class DoorZoneAssigner {
+public:
+    explicit DoorZoneAssigner(std::filesystem::path const& configuration);
+    Json update(int frame, Json const& record, cv::Size size);
+private:
+    std::string classify(double probability) const;
+    Json features_;
+    double frontMin_{},rearMax_{},minimumHeight_{};
+    int minimumPoseFeatures_{},historyFrames_{},staleFrames_{};
+    std::unordered_map<int,std::deque<double>> history_;
+    std::unordered_map<int,int> lastSeen_;
+};
+struct DoorDecisions { Json doors; Json selected; };
+DoorDecisions buildDoorRisks(Json const& raw, Json const& assignments,
+                             std::string const& activeDoor, bool canValid);
+}