feat(panel): add Insert as FX — ReaSampler 9000 onto the selected track, preloaded with the focused capture, over the existing instrument-drop body

src/app/CMakeLists.txt

@@ -52,9 +52,10 @@ add_library(reaper_reasampler MODULE
     ${REASAMPLER_SRC_DIR}/shell/actions/arrange_drop_win.cpp
     ${REASAMPLER_SRC_DIR}/shell/actions/drag_out_win.cpp
     ${REASAMPLER_SRC_DIR}/shell/actions/instrument_drop_win.cpp
+    ${REASAMPLER_SRC_DIR}/shell/actions/insert_fx_action.cpp
     ${REASAMPLER_SRC_DIR}/shell/persist/usage_scan.cpp
 )
-target_link_libraries(reaper_reasampler PRIVATE json wire file_bytes bank_model capture_paths capture_name peaks bank_grid mode_switch tab_strip view_mode_model view_tree guid_diff lane_keys solo_cache insert_plan render_settings render_window track_topology batch_capture tail_control capture_realtime bank_book wav_codec origin_ledger tracking_authority prune_reconcile prune_button app_version provenance drag_out instrument_drop theme component_geometry action_bar footer_bar overflow_menu mode_enable tooltip card_meta card_drag assignment_request bank_sync sample_usage bake_wire resample_name export_bank package_pickers)
+target_link_libraries(reaper_reasampler PRIVATE json wire file_bytes bank_model capture_paths capture_name peaks bank_grid mode_switch tab_strip view_mode_model view_tree guid_diff lane_keys solo_cache insert_plan render_settings render_window track_topology batch_capture tail_control capture_realtime bank_book wav_codec origin_ledger tracking_authority prune_reconcile prune_button app_version provenance drag_out instrument_drop theme component_geometry action_bar footer_bar overflow_menu mode_enable insert_fx_enable tooltip card_meta card_drag assignment_request bank_sync sample_usage bake_wire resample_name export_bank package_pickers)
 # NOT linked here, deliberately: sampler_core / pitch_shift / the filter / limiter. The
 # instrument renders its own bake in its own process, which is what keeps the extension's
 # link graph free of the voice engine — a link edge to it here means the design drifted.

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 +130,9 @@ static std::vector<reasampler::ActionTableRow> buildMainActionTable() {
     rows.push_back({"INSERT_SELECTED_CONFORM",
                     "insert selected sample at edit cursor (conform to tempo)",
                     &RunInsertSelected, 1});
+    rows.push_back({"INSERT_AS_FX",
+                    "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",