Extend command line single player launch capabilities

changelog/snippets/other.6888.md

@@ -0,0 +1,3 @@
+- (#6888) Make it more convenient to launch a (bot) session through the command line
+
+With these changes we shorten the workflow to test (sim) mods and in particular AI mods. There is an example PowerShell script file in the `scripts` folder to help you get started.

engine/User.lua

@@ -124,6 +124,19 @@
 --- | 'NUMPAD_DECIMAL'
 --- | 'NUMPAD_DIVIDE'
 
+---@class UISinglePlayerArmy
+---@field PlayerName string
+---@field Faction number
+---@field Human boolean
+
+---@class UISinglePlayerSessionConfiguration
+---@field scenarioInfo UILobbyScenarioInfo
+---@field scenarioMods ModInfo[]
+---@field teamInfo table
+---@field RandomSeed number
+---@field createReplay boolean
+---@field playerName string
+
 --- Repeatedly the selection box of the unit to the hovered-over state to create a blinking effect
 ---@param entityId EntityId
 ---@param onTime number
@@ -903,7 +916,7 @@ function LaunchReplaySession(filename)
 end
 
 --- Launch a new single player session
----@param sessionInfo UIScenarioInfo
+---@param sessionInfo UISinglePlayerSessionConfiguration
 function LaunchSinglePlayerSession(sessionInfo)
 end