Add visual progress bar support for missile commands

Create helper widget (gui_missile_progress.lua) to display visual progress bars
on missile command buttons, showing build progress of next missile like factory units.
Export progress data via WG.missileProgress for access by other widgets.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GiaPfKSj8kGFjaUPyxYYHd

Author: claude

LuaUI/Widgets/gui_missile_progress.lua

@@ -0,0 +1,83 @@
+function widget:GetInfo()
+  return {
+    name      = "Missile Command Progress",
+    desc      = "Displays visual progress bars for missile building",
+    author    = "Amnykon",
+    date      = "2026",
+    license   = "GNU GPL, v2 or later",
+    layer     = 5,
+    enabled   = true,
+    handler   = true,
+  }
+end
+
+local missileCommands = {
+  [39610] = true, -- EOS
+  [39611] = true, -- Seismic
+  [39612] = true, -- Shockley
+  [39613] = true, -- Inferno
+  [39614] = true, -- Reef
+  [39615] = true, -- Trinity
+  [39616] = true, -- Slow
+}
+
+local UPDATE_FREQUENCY = 0.25
+local timer = UPDATE_FREQUENCY + 1
+
+local function getMissileProgress(cmdID)
+  local progressMap = {
+    [39610] = {"tacnuke", "subtacmissile"},
+    [39611] = {"seismic"},
+    [39612] = {"empmissile"},
+    [39613] = {"napalmmissile"},
+    [39614] = {"shipcarrier"},
+    [39615] = {"staticnuke"},
+    [39616] = {"missileslow"},
+  }
+
+  local unitNames = progressMap[cmdID]
+  if not unitNames then return 0 end
+
+  local maxProgress = 0
+  local teamUnits = Spring.GetTeamUnits(Spring.GetMyTeamID()) or {}
+
+  for _, unitID in ipairs(teamUnits) do
+    if not Spring.GetUnitIsDead(unitID) then
+      local unitDefID = Spring.GetUnitDefID(unitID)
+      if unitDefID then
+        local unitDef = UnitDefs[unitDefID]
+        if unitDef then
+          for _, unitName in ipairs(unitNames) do
+            if unitDef.name == unitName then
+              local _, _, _, _, buildProgress = Spring.GetUnitHealth(unitID)
+              if buildProgress and buildProgress < 1 then
+                maxProgress = math.max(maxProgress, buildProgress)
+              end
+              break
+            end
+          end
+        end
+      end
+    end
+  end
+
+  return maxProgress
+end
+
+function widget:Update(dt)
+  timer = timer + dt
+  if timer < UPDATE_FREQUENCY then
+    return
+  end
+  timer = 0
+
+  local integralMenu = widgetHandler:FindWidget("Chili Integral Menu")
+  if not integralMenu then return end
+
+  for cmdID in pairs(missileCommands) do
+    local progress = getMissileProgress(cmdID)
+    if progress > 0 and integralMenu.SetCmdButtonProgress then
+      integralMenu:SetCmdButtonProgress(cmdID, progress)
+    end
+  end
+end

LuaUI/Widgets/missle_command_center.lua

@@ -537,11 +537,16 @@ function widget:Update(dt)
   end
   timer = 0
 
+  WG.missileProgress = WG.missileProgress or {}
+
   for _, command in pairs(commands) do
     local count = command:getCount()
     local buildProgress = command:getMaxBuildProgress()
     local customCommands = widgetHandler.customCommands
 
+    -- Export progress data for other widgets
+    WG.missileProgress[command.cmd] = buildProgress
+
     for i = 1, #customCommands do
       if customCommands[i].id == command.cmd then
         local displayName = ""