Method producerLoop

capstone/sensor_pipeline.hpp:119–132

private:
    void producerLoop() {
        // Thread-local RNG — each thread gets its own engine (no data race)
        std::mt19937 rng(std::random_device{}());
        std::uniform_real_distribution<double> noise(0.0, 0.1);

        while (running_) {
            IMUReading reading{};
            reading.timestamp = std::chrono::steady_clock::now();
            reading.accel_z = -9.81 + noise(rng);

            if (!queue_.push(reading)) break;
            std::this_thread::sleep_for(config::IMU_PERIOD);
        }
    }

    void consumerLoop() {
        // Rely solely on pop()'s internal lock + shutdown signal,