Q-W6: registration table (OCP) in main.cpp; bank verbs -> shell/bank_ops(Session&); persist.h + wav_trim + namespaces.h shims deleted; 61/61

capture.h realtime seam split to capture_realtime_shell.h; GetProjExtState grow-loop rehomed to core/wire/ext_state_read; stale persist.cpp/bank_panel.cpp comment refs fixed; CLAUDE.md persist/bank_book/actions bullets updated. Command-id suffixes, display phrases, and undo labels byte-identical.

src/core/instrument/engine/pitch_shift.h

@@ -25,7 +25,7 @@
 // #include <windows.h>` unconditionally, which CANNOT enter the pure sampler_core module
 // (CLAUDE.md load-bearing split: NO vendor/host/SDK types; sampler_core_tests links neither
 // SDK and compiles outside the DAW). So the Preserve DSP lands as route (b): a house-native
-// pure module alongside peaks / wav_trim, CTest-testable, RT-disciplined. Same
+// pure module alongside peaks / wav_codec, CTest-testable, RT-disciplined. Same
 // PitchEngine::Preserve contract behind the seam — if WDL is ever preferred it swaps in at
 // the SHELL, never in the pure core.
 //
@@ -53,7 +53,7 @@
 //
 // PURE MODULE: NO VST3, NO REAPER, NO SWELL, NO vendor/ includes. Standard library only.
 // Shares the `AudioSample` float alias from peaks (the one house precedent — sampler_core /
-// wav_trim do the same).
+// wav_codec does the same).
 //
 // RT DISCIPLINE (S16 hard constraint). `configure()` sizes the ring ONCE (off the audio
 // thread, at voice allocation). `prime()` / `warm()` only copy into the pre-sized ring

src/core/instrument/engine/sampler_core.h

@@ -13,7 +13,7 @@
 // structurally: sampler_core_tests links neither SDK (see CMakeLists §2i).
 //
 // It shares the `AudioSample` float alias from peaks — the one house precedent for a
-// pure module leaning on peaks for the audio-domain type (wav_trim does the same). The
+// pure module leaning on peaks for the audio-domain type (wav_codec does the same). The
 // S2 seam fields (root note, loop points) enter as plain int / frame-index inputs; the
 // core does no file I/O — it is handed decoded sample frames and produces audio frames.