Q-W1 pt2: core/shell/app relocation + sub-namespaces; one concrete ui::Rect (LTRB fork retired); slot_map split from bank_book; BankIndex→BankModel; 59/59 green

tests/test_pitch_shift.cpp

@@ -27,13 +27,14 @@
 //      the master's splice decision (jump/lag/frac/fadeLen AND firing frame) exactly, on
 //      decorrelated stereo content where an independent per-channel search provably diverges.
 
-#include "../src/vst/pitch_shift.h"
+#include "../src/core/instrument/engine/pitch_shift.h"
 
 #include <cmath>
 #include <cstdio>
 #include <vector>
 
 using namespace reasampler;
+using namespace reasampler::instrument::engine;
 
 static int g_fail = 0;
 #define CHECK(cond) do { if(!(cond)) { \