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/ui/prune_button.h

@@ -3,7 +3,7 @@
 // prune_button — the REAPER-free layout math behind the bank_panel's Prune button
 // (Phase R, Wave 3 — R3, fork R-E). A single labelled button drawn in the panel's
 // tail-footer strip that fires the "Prune bank folder" command. The panel shell
-// (bank_panel.cpp) owns the SWELL window, LICE drawing, and the Main_OnCommand
+// (shell/panel/) owns the SWELL window, LICE drawing, and the Main_OnCommand
 // dispatch of the registered command id — all REAPER-bound, DAW-verified. What is
 // NOT DAW-bound — WHERE the button sits in the footer and whether a click lands on
 // it — lives here so it is unit-tested outside the DAW (CLAUDE.md §load-bearing
@@ -42,7 +42,7 @@ using ButtonRect = Rect;  // Q-W1: the shared concrete ui::Rect (core/ui/rect.h)
 //   * buttonWidth   — the button's fixed width.
 //   * rightInset    — gap from the footer's right edge to the button's right edge (the
 //                     button sits left of this inset, clearing the right-aligned version
-//                     readout). COUPLED TO drawFooter (bank_panel.cpp): the version readout
+//                     readout). COUPLED TO drawFooter (panel_render.cpp): the version readout
 //                     uses an 8 px right margin. The button's right edge lands at
 //                     footer.right - 84, i.e. 76 px left of the readout's right margin —
 //                     enough clearance for the ~10-char label. ALSO COUPLED to