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/ingest.cpp

@@ -16,7 +16,6 @@
 #include <string>
 #include <vector>
 
-#include "actions.h"             // persistBankOp — shared undo-block wrapper (R-B path)
 #include "core/version/app_version.h"         // channelCommandId / channelActionName
 #include "core/wire/assignment_request.h"  // pure (bankId, sampleId, generation) encode
 #include "core/model/bank_book.h"           // BankBook, Bank, activeBankId / activeIndex
@@ -435,7 +434,7 @@ void doImportFromMediaExplorer() {
     // The generation is bumped only when something NEW landed (a dedup collapse mutated nothing,
     // so it needs neither a bump nor a persist to resolve — the sample is already in ext-state).
     // If saveToActiveProject() no-ops (unsaved project), close with an empty label + zero flag so
-    // REAPER discards the undo entry (the house pattern from actions.cpp). importFileIntoActiveBank
+    // REAPER discards the undo entry (the house pattern from persistBankOp). importFileIntoActiveBank
     // already refuses on an unsaved project, so in practice the persist here succeeds.
     Undo_BeginBlock2(nullptr);
     bool persisted = true;  // true when nothing needed persisting (dedup) — governs the label path
@@ -508,7 +507,7 @@ void ingestDroppedFiles(const std::vector<std::string>& absolutePaths) {
     // One undo point for the whole drop, opened only if a NEW index entry was created (a
     // drop that only re-hit existing content mutated nothing on the index).
     // If saveToActiveProject() no-ops (unsaved project), we close with an empty label + zero
-    // flag so REAPER discards the undo entry (house pattern from actions.cpp).
+    // flag so REAPER discards the undo entry (house pattern from persistBankOp).
     if (importedNew > 0) {
         Undo_BeginBlock2(nullptr);
         // S9: one coalesced generation bump for the whole drop (>=1 new sample landed) so