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_card_meta.cpp

@@ -6,12 +6,13 @@
 // long capture, non-4/4 meters (3/4 and 6/8), unstamped meter -> blank, unknown tempo ->
 // blank (s.ms still derivable); s.ms zero / sub-second / multi-second / ms carry / negative.
 
-#include "../src/card_meta.h"
+#include "../src/core/ui/card_meta.h"
 
 #include <cstdio>
 #include <string>
 
 using namespace reasampler;
+using namespace reasampler::ui;
 
 static int g_fail = 0;
 #define CHECK(cond) do { if(!(cond)) { \