Add telemetry_and_inference example and finalize previous DLL/ABI fixes

include/fces/fitness.hpp

@@ -9,6 +9,7 @@
 
 #include <cmath>
 #include <vector>
+#include <string>
 
 namespace fces {
 

include/fces/optimizer.hpp

@@ -32,6 +32,15 @@ namespace fces {
  *   optimizer.step();
  *   optimizer.update_fitness(loss.item<float>());
  */
+struct FCESOptimizerOptions : public torch::optim::OptimizerCloneableOptions<FCESOptimizerOptions> {
+    explicit FCESOptimizerOptions(double lr = 0.01) : lr_(lr) {}
+
+    double get_lr() const override { return lr_; }
+    void set_lr(const double lr) override { lr_ = lr; }
+
+    double lr_;
+};
+
 class FCESOptimizer : public torch::optim::Optimizer {
 public:
     explicit FCESOptimizer(

include/fces/oscillation.hpp

@@ -13,6 +13,8 @@ class OscillationDetector {
 public:
     static constexpr int WINDOW_SIZE = 64;
     static constexpr float POWER_THRESHOLD = 0.5f;
+    static constexpr int MIN_PERIOD = 4;
+    static constexpr int MAX_PERIOD = 16;
 
     void update(float loss);
     bool detect() const;