Add CAN-driven lazy inference with resident TensorRT engines

include/bounded_queue.hpp

@@ -18,6 +18,15 @@ public:
         if(closed_)return false;
         items_.push_back(std::move(item));changed_.notify_all();return true;
     }
+    bool pushLatest(T item) {
+        std::lock_guard<std::mutex> lock(mutex_);
+        if(closed_)return false;
+        if(items_.size()==capacity_)items_.pop_front();
+        items_.push_back(std::move(item));changed_.notify_all();return true;
+    }
+    void clear() {
+        std::lock_guard<std::mutex> lock(mutex_);items_.clear();changed_.notify_all();
+    }
     std::optional<T> pop() {
         std::unique_lock<std::mutex> lock(mutex_);
         changed_.wait(lock,[&]{return closed_||!items_.empty();});