fix types

lua/cp/commands/init.lua

@@ -16,6 +16,7 @@ local actions = constants.ACTIONS
 ---@field platform? string
 ---@field problem_id? string
 ---@field interactor_cmd? string
+---@field test_index? integer
 
 --- Turn raw args into normalized structure to later dispatch
 ---@param args string[] The raw command-line mode args

lua/cp/ui/panel.lua

@@ -280,6 +280,7 @@ function M.run_io_view(test_index)
       'No platform/contest/problem configured. Use :CP <platform> <contest> [...] first.',
       vim.log.levels.ERROR
     )
+    return
   end
 
   cache.load()