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/capture/capture_paths.cpp

@@ -110,7 +110,7 @@ std::string resolveBankFile(const std::string& projectDir,
 
 std::string projectDirOfRpp(const std::string& rppPath) {
     // An unsaved project reports an empty .rpp path; keep it empty so downstream
-    // resolution refuses (no default-location fallback). Mirrors persist.cpp's prior
+    // resolution refuses (no default-location fallback). Mirrors the former persist shell's
     // projectDirOf exactly: parent_path of the .rpp, then normalizeSlashes.
     if (rppPath.empty()) return {};
     std::string dir = std::filesystem::path(rppPath).parent_path().string();

src/core/capture/tail_control.h

@@ -1,6 +1,6 @@
 #pragma once
 // tail_control — the REAPER-free logic behind the docked bank_panel's tail-mode
-// toggle. The panel shell (bank_panel.cpp) owns the SWELL window, LICE drawing, and
+// toggle. The panel shell (shell/panel/) owns the SWELL window, LICE drawing, and
 // click hit-testing; what is NOT DAW-bound — the cycle order, the manual-length
 // clamp, and the toggle's label text — lives here so it is unit-tested outside the
 // DAW (CLAUDE.md §load-bearing split). Mirror of bank_grid / mode_switch.
@@ -27,7 +27,7 @@ inline constexpr double kDefaultManualTailMs = 2000.0;
 inline constexpr double kManualStepMs = 250.0;
 
 // The panel's current tail setting: the mode plus the length used ONLY when the
-// mode is Manual. Held as in-memory panel/session state (bank_panel.cpp), default
+// mode is Manual. Held as in-memory panel/session state (shell/panel), default
 // None so a capture with no explicit choice stays exact-bounds / byte-identical to
 // today. `manualMs` is a stored default a future fine-adjust UI can tune; it is
 // clamped to the 8 s cap (kMaxTailMs) before it ever reaches a CaptureRequest.

src/core/capture/wav_trim.h

@@ -1,15 +0,0 @@
-#pragma once
-// wav_trim — TRANSITIONAL forwarding header (Q-W3, audit §4e WAV/RIFF consolidation).
-//
-// The one pure owner of the WAV/RIFF byte format is now core/capture/wav_codec.{h,cpp}
-// (chunk walker + layout parse + float32 build + size-field patch + content hash).
-// Everything this header used to declare (WavLayout / parseWavLayout /
-// extractFloatFrames / WavTruncatePlan / planWavTruncate) lives there, same
-// namespace (reasampler::capture), same signatures — this include is a pure alias.
-//
-// Kept ONLY so the TUs a parallel wave owns (sample_map.h and the VST editor/
-// processor god-TUs, Q-W2v) compile untouched — editing them here would collide
-// with that wave's in-flight split. Retire this header (and point its includers at
-// wav_codec.h) once Q-W2v lands.
-
-#include "core/capture/wav_codec.h"