Animations: wire remaining effects + 2-column options panel

- Shared FX toolkit in fx-celebrate.lua: mth_shake tween type, MTH_FX_Flash
  glow helper, MTH_CelebrateRunaway red shaking banner, gold title reset.
- pet.runaway, pet.happiness, pet.loyaltyup, pet.feed
- combat.ammoswap, combat.rangedswap, combat.mmprocs
- ui.zbar, ui.stable, ui.minimapping, ui.optionsclose
- book.model, book.search
- Options > Animations panel now uses a balanced two-column layout.
- CHANGELOG Animations entry expanded (no version bump).

modules/expammo/engine.lua

@@ -403,6 +403,7 @@ local lnl = {
 	expiresAt = 0,
 	DURATION  = 10,  -- Lock and Load real duration (tooltip: "Lasts 10 sec or until Aimed Shot is cast")
 }
+local MTH_EA_LnLWasActive = false  -- for detecting the proc rising edge (animations)
 
 -- ── Confirmed icon paths (captured in-game 2026-03-21) ────────
 -- Action-button spells (spellbook scan)
@@ -700,10 +701,18 @@ MTH_EA_UpdateUI = function()
 			cellTop.icon:SetVertexColor(1.00, 0.82, 0.00, 1)
 			cellTop:SetBackdropBorderColor(1.00, 0.82, 0.00, 1)
 			cellTopCD:SetText("|cffffffff" .. secs .. "|r")
+			if not MTH_EA_LnLWasActive then
+				if type(MTH_FX_Flash) == "function" and type(MTH_FX_IsEnabled) == "function"
+					and MTH_FX_IsEnabled("combat.mmprocs") then
+					MTH_FX_Flash(cellTop, 1.00, 0.82, 0.20, 0.55)
+				end
+				MTH_EA_LnLWasActive = true
+			end
 		else
 			cellTop.icon:SetVertexColor(0.28, 0.28, 0.28, 0.40)
 			cellTop:SetBackdropBorderColor(0.25, 0.25, 0.25, 0.35)
 			cellTopCD:SetText("")
+			MTH_EA_LnLWasActive = false
 		end
 	end