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/ui/envelope_overlay.h

@@ -46,7 +46,7 @@
 //     right edge and wins the tie, so the fade can be dragged open from zero).
 //
 // DELIBERATELY ENGINE-FREE (house pattern — param_slider does the same). It does NOT depend on
-// sample_map / sampler_core (which would drag bank_book / wav_trim in). The shell reads the
+// sample_map / sampler_core (which would drag bank_book / wav_codec in). The shell reads the
 // zone's AdsrSeconds / TriggerParams and packs them into the small AmpEnvelope view struct here.
 // AHDSR times are wall-clock SECONDS (rate-free, matching the stored domain — Daniel's no-
 // hardcoded-rate ruling); Trigger fades are FRACTIONS of the play span. The one rate-bound input

src/core/instrument/ui/waveform_view.h

@@ -17,7 +17,7 @@
 //
 // It reuses the same Rect + contains() as editor_geometry (one shared geometry idiom), so
 // this header depends on editor_geometry.h rather than redefining a rectangle type. Audio
-// is the peaks AudioSample float alias (the one house precedent — sampler_core / wav_trim do
+// is the peaks AudioSample float alias (the one house precedent — sampler_core / wav_codec do
 // the same), so the zero-crossing helper takes the same mono PCM the shell already decoded.
 
 #pragma once