Q-W1 code-review follow-ups: restore 104 trailing newlines, relocate reasampler_uid.h to core/wire, drop ext_keys namespaces shim, add slot_map_tests, golden serialize literals for 4 modules, namespaces.h/pragma-once ordering sweep. 60/60 green.

src/shell/instrument/reasampler_vst.h

@@ -1,4 +1,3 @@
-#include "core/namespaces.h"
 // reasampler_vst.h — shared identity constants for the ReaSampler VST3 instrument
 // (Phase S). One place for the plugin's class UID, name, vendor, and version so the
 // processor, factory, and editor agree.
@@ -19,10 +18,11 @@
 // binary UID identity — the string identity lives in the pure module).
 
 #pragma once
+#include "core/namespaces.h"
 
 #include "pluginterfaces/base/funknown.h"
 
-#include "shell/instrument/reasampler_uid.h"  // the FROZEN UID macros + channel selection (SDK-free values)
+#include "core/wire/reasampler_uid.h"  // the FROZEN UID macros + channel selection (SDK-free values)
 
 namespace reasampler::vst {