added GPR

data_acq_and_processing/common_cpp/config/include/run_config.hpp

@@ -81,6 +81,26 @@ struct PreprocessConfig {
     std::string reference_bundle_path{};
 };
 
+struct GprTxGeometry {
+    // Transmitter geometry keyed by output switch position.
+    std::uint32_t output_pos = 0;
+    float x_m = 0.0F;
+};
+
+struct GprRxGeometry {
+    // Receiver geometry keyed by input switch position.
+    std::uint32_t input_pos = 0;
+    float x_m = 0.0F;
+};
+
+struct GprConfig {
+    // Stable collection-level GPR processing settings.
+    std::string mode = "point";
+    float relative_permittivity = 1.0F;
+    std::vector<GprTxGeometry> tx_geometry{};
+    std::vector<GprRxGeometry> rx_geometry{};
+};
+
 struct RunConfig {
     // Single configuration object shared by all C++ processes.
     RadarConfig radar{};
@@ -89,6 +109,7 @@ struct RunConfig {
     RingsConfig rings{};
     RuntimeConfig runtime{};
     PreprocessConfig preprocess{};
+    GprConfig gpr{};
     std::vector<radar::ipc::ComboKey> run_combos{};
 };