Merge Insert as FX: load ReaSampler 9000 onto the selected track from the panel

# Conflicts:
#	src/shell/actions/CLAUDE.md

src/app/main.cpp

@@ -26,6 +26,7 @@
 #include "shell/actions/action_registry.h"       // the registration table
 #include "shell/actions/bank_actions.h"          // multi-bank action family
 #include "shell/actions/design_view_actions.h"   // Design View action family
+#include "shell/actions/insert_fx_action.h"      // insert-as-FX action body
 #include "shell/actions/package_export_action.h" // bank-package export action body
 #include "shell/actions/package_import_action.h" // bank-package import action body
 #include "core/wire/bake_wire.h"                 // kBakeActionSuffix (the shared action id)
@@ -87,6 +88,9 @@ static void RunCaptureItemAssign(int) { capture::RunCaptureItemAssign(g_session)
 static void RunInsertSelected(int arg) {
     capture::RunInsertSelected(g_session, arg != 0);
 }
+// Placement of the PLAYER, not of an item: adds a ReaSampler 9000 to the selected track's
+// FX chain. Sessionless — it reads the panel's selection, exactly like the drag it mirrors.
+static void RunInsertAsFx(int)        { reasampler::doInsertAsFx(); }
 static void RunBatchCaptureItems(int) { capture::RunBatchCaptureItems(g_session); }
 static void RunBatchCaptureRazor(int) { capture::RunBatchCaptureRazor(g_session); }
 static void RunCaptureRealtime(int)   { capture::RunCaptureRealtimeTrack(g_session); }
@@ -126,6 +130,12 @@ static std::vector<reasampler::ActionTableRow> buildMainActionTable() {
     rows.push_back({"INSERT_SELECTED_CONFORM",
                     "insert selected sample at edit cursor (conform to tempo)",
                     &RunInsertSelected, 1});
+    // A LOAD_*, not an INSERT_*: INSERT_SELECTED/_CONFORM place a timeline item;
+    // this loads an instrument onto a track's FX chain. The id is permanent, so
+    // keeping the two apart here is the most durable statement of which verb this is.
+    rows.push_back({"LOAD_INSTRUMENT_ON_TRACK",
+                    "insert selected sample as ReaSampler 9000 on the selected track",
+                    &RunInsertAsFx});
     // One action fires N captures (per selected item / per razor area); the original
     // selection is restored on every exit path. Bank-only, never places.
     rows.push_back({"CAPTURE_BATCH_ITEMS",