feat(nx): Import save uses imports/saves inbox

Co-authored-by: Cursor <cursoragent@cursor.com>

src/import/RomImporter.lua

@@ -1434,8 +1434,15 @@ end
 
 -- "Import save" button: open a native .sav picker and import the pick.
 -- Android mirrors ROM / mod import via love.system.pickFile("sav").
+-- NX: no HostShell/desktop picker — rescan imports/saves/ inbox instead.
 function RomImporter:chooseSaveImport(version)
   if self.workState == "working" then return end
+  version = self:_resolveSaveVersion(version)
+  if self.isNX then
+    self:ensureSavesInboxDir()
+    self:rescanSavesAction(version)
+    return
+  end
   if self.ios and love.system.getPickedFile then
     self.iosPendingKind = "sav"
     self.iosPendingVersion = version
@@ -3749,6 +3756,8 @@ function RomImporter:_drawGamePanel(version, x, y, w, h, paged)
     sfHintText, sfHintCol = sfNotice.text, (sfNotice.ok and PAL.green or PAL.red)
   elseif locked then
     sfHintText, sfHintCol = "Not available yet.", PAL.warning
+  elseif self.isNX then
+    sfHintText, sfHintCol = self:_savesDefaultHint(), PAL.warning
   elseif self.android then
     sfHintText, sfHintCol =
       "Import or export a .sav with the system file picker.", PAL.warning
@@ -4683,6 +4692,20 @@ function RomImporter:_modsDefaultHint()
   return Strings("Or drop a mod .zip onto the window.")
 end
 
+function RomImporter:_savesDefaultHint()
+  if self.isNX then
+    local saveDir = love.filesystem.getSaveDirectory()
+    local rel = RomImporter.mtpHintPath(saveDir)
+    if rel ~= "" and rel:sub(-1) ~= "/" then rel = rel .. "/" end
+    return Strings("Copy a .sav via MTP into %s/imports/saves/\n"
+      .. "DBI MTP → 1: SD Card/%simports/saves/", saveDir, rel)
+  end
+  if self.android then
+    return "Import or export a .sav with the system file picker."
+  end
+  return Strings("Import a .sav to a new slot, or export the active slot.")
+end
+
 function RomImporter:_modsEmptyHint()
   if self.isNX then
     return Strings("No mods installed - copy a .zip into imports/mods/ "

tests/rom_importer_nx_saves_inbox_test.lua

@@ -83,6 +83,7 @@ local function freshImporter()
     exportSave = RomImporter.exportSave,
     _importSave = RomImporter._importSave,
     _savedropTarget = RomImporter._savedropTarget,
+    _savesDefaultHint = RomImporter._savesDefaultHint,
     _refreshSlots = function(self, version)
       self._refreshed = (self._refreshed or 0) + 1
       self._refreshVersion = version
@@ -268,6 +269,45 @@ hostShellCalls = 0
 ri:chooseSaveImport("red")
 eq(hostShellCalls, 0, "RES-06: NX chooseSaveImport does not require HostShell")
 
+-- NXSAV-05: chooseSaveImport on NX rescans inbox
+ri = freshImporter()
+importCalls = {}
+hostShellCalls = 0
+love.filesystem.write("imports/saves/from-choose.sav", "CHOOSE")
+importBehavior["imports/saves/from-choose.sav"] = { ok = true, id = "slot-choose" }
+ri:chooseSaveImport("red")
+eq(hostShellCalls, 0, "NX chooseSaveImport does not use HostShell")
+eq(#importCalls, 1, "NX chooseSaveImport rescans and imports inbox .sav")
+eq(importCalls[1].source, "imports/saves/from-choose.sav",
+  "NX chooseSaveImport imports from imports/saves/")
+check(ri.saveNotice.red and ri.saveNotice.red.ok, "NX chooseSaveImport success notice")
+
+-- Empty chooseSaveImport still sets notice (RES-04 via Import save button)
+ri = freshImporter()
+importCalls = {}
+ri:chooseSaveImport("red")
+eq(#importCalls, 0, "empty NX chooseSaveImport does not import")
+check(ri.saveNotice.red ~= nil and ri.saveNotice.red.text:find("imports/saves/", 1, true),
+  "empty NX chooseSaveImport sets MTP notice")
+
+-- RES-11 / NXSAV-07: NX default SAVE FILES hint mentions imports/saves/
+ri = freshImporter()
+local defaultHint = ri:_savesDefaultHint()
+check(defaultHint:find("imports/saves/", 1, true),
+  "RES-11: NX default hint mentions imports/saves/")
+check(defaultHint:find("DBI MTP", 1, true),
+  "RES-11: NX default hint mentions DBI MTP")
+check(not defaultHint:find("system file picker", 1, true),
+  "RES-11: NX default hint is not desktop picker wording")
+
+-- Desktop keeps picker-oriented default hint (non-NX)
+local desk = setmetatable({
+  isNX = false, android = false,
+  _savesDefaultHint = RomImporter._savesDefaultHint,
+}, RomImporter)
+check(desk:_savesDefaultHint():find("new slot", 1, true),
+  "desktop default save hint stays picker/drop-oriented")
+
 -- Cleanup + restore stubs
 clearSavesInbox()
 love.filesystem.remove("imports/other.sav")