Q-W4: split actions.cpp into design_view_actions/bank_actions/prune_action + shared action_registry; bank verbs deduped into promptless bankOp* inner verbs in panel_bank_ops (one mutation home, two UX skins); command-id strings byte-identical; actions.h shim carrier retired

src/shell/panel/panel_state.h

@@ -16,10 +16,11 @@
 //   * Explicit using-declarations pulling the pure modules' symbols into
 //     reasampler::panel from their REAL namespace homes (Q-W1 sub-namespaces) — this
 //     header itself does not directly include the interim core/namespaces.h shim
-//     (Q-W2 retires that direct dependency for this module). Six of the eight panel
-//     TUs still pull the shim in TRANSITIVELY via actions.h/persist.h/ingest.h/
-//     draw_kit.h/view.h; only panel_thumbnails.cpp and panel_audition.cpp are
-//     shim-free end to end. Nothing HERE depends on it either way.
+//     (Q-W2 retires that direct dependency for this module; Q-W4 retired the
+//     actions.h carrier with the actions split). Several panel TUs still pull the
+//     shim in TRANSITIVELY via persist.h/ingest.h/draw_kit.h/view.h; only
+//     panel_thumbnails.cpp and panel_audition.cpp are shim-free end to end.
+//     Nothing HERE depends on it either way.
 //
 // REFERENCE-INVALIDATION GUARDRAIL (CONTEXT.md §Multi-bank): a bank-structural
 // mutation (create/delete/evacuate/activate/move) can reallocate the book's vector,