import: a .rsbank lands as a new bank, whole or not at all

Four collisions answered explicitly: ids reminted, names never overwritten,
content deduped before the write, bank name auto-suffixed. Degraded ledger
refuses before the picker.

src/app/CMakeLists.txt

@@ -58,6 +58,14 @@ target_link_libraries(reaper_reasampler PRIVATE json wire file_bytes bank_model
 # free of the voice engine — a link edge to it here means the design drifted.
 target_include_directories(reaper_reasampler PRIVATE ${SDK_INC} ${WDL_INC})
 
+# Bank-package import: the promptless verb plus its action skin. Kept as its own
+# appended block rather than merged into the lists above, so the two package
+# directions stay textually independent.
+target_sources(reaper_reasampler PRIVATE
+    ${REASAMPLER_SRC_DIR}/shell/package/import_bank.cpp
+    ${REASAMPLER_SRC_DIR}/shell/actions/package_import_action.cpp)
+target_link_libraries(reaper_reasampler PRIVATE import_landing package_pickers)
+
 # OUTPUT_NAME is channel-derived; the CMake target name stays "reaper_reasampler" for both
 # configs, since REAPER dlopen's any reaper_* module and the two channels' artifacts load
 # side-by-side. LIBRARY_OUTPUT_DIRECTORY pins the module to the top of the build tree even