P1.5: embed live level-tracker A[] + mask scalars into C++ (dsp/leveltrack_data.hpp); leveltrack_check sanity confirms SR=48000, A_ATTACK plateaus 0.692, attack/release=1.0

dsp/leveltrack_check.cpp

@@ -3,6 +3,7 @@
 #include <vector>
 #include <cstring>
 #include "leveltrack.hpp"
+#include "leveltrack_data.hpp"
 
 int main() {
     const size_t n = 37;  // odd size to exercise the unrolled tail.
@@ -27,5 +28,13 @@ int main() {
     leveltrack::iir_bidirectional(rx.data(), A.data(), n);
 
     std::printf("leveltrack integration check done (n=%zu)\n", n);
+
+    // P1.5 live-capture data sanity (render_long.rpp: attack=0 release=0).
+    std::printf("live ltk: SR=%.0f nbins=%zu  A_ATTACK[1]=%.4f A_ATTACK[319]=%.4f "
+                "A_RELEASE[1]=%.6f scalar870=%.2f scalar884=%.2f scalar888=%.2f\n",
+                (double)ltk::CTX_INTERNAL_SR, ltk::LEVEL_NBINS,
+                ltk::A_ATTACK[1], ltk::A_ATTACK[319],
+                ltk::A_RELEASE[1], (double)ltk::SCALAR0X40870,
+                (double)ltk::SCALAR0X40884, (double)ltk::SCALAR0X40888);
     return maxd < 1e-6 ? 0 : 1;
 }