Q-W6 review follow-ups: drop stale wav_trim clause, fix stale include comment, idempotent action-table clear, reflow ragged comment, align session.h trailing comments

src/shell/actions/action_registry.cpp

@@ -61,6 +61,7 @@ int registerAction(reaper_plugin_info_t* rec, const char* suffix,
 
 void registerActionTable(reaper_plugin_info_t* rec, const ActionTableRow* rows,
                          std::size_t count) {
+    g_table.clear();  // idempotent-by-construction: a re-register never doubles-up rows
     for (std::size_t i = 0; i < count; ++i) {
         g_table.push_back(TableEntry{rows[i]});
         TableEntry& e = g_table.back();

src/shell/actions/design_view_actions.cpp

@@ -29,7 +29,7 @@
 
 #include "core/view/lane_keys.h"         // view::isOnManualLane — the single managed/manual predicate
 #include "core/view/view_mode_model.h"
-#include "shell/persist/session.h"                     // ReaSamplerSession (owns view() model)
+#include "shell/persist/session.h"       // ReaSamplerSession (owns view() model)
 #include "shell/capture/item_read.h"     // shared MediaItem* -> GUID + fixed-lane-name reads (D2 W3-B)
 #include "shell/capture/track_guid.h"    // shared MediaTrack* -> canonical GUID key
 #include "shell/panel/panel_window.h"    // bankPanelInvalidate — footer toggle repaint