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).

api/hunterbook-tab-stable.lua

@@ -1245,6 +1245,17 @@ function MTH_BOOKTAB_RenderStableCards()
 			local row = slotEntry and slotEntry.row or nil
 			MTH_BOOK_DebugTrace("Render card#" .. tostring(i) .. " petId=" .. tostring(petId) .. " hasRow=" .. tostring(type(row) == "table"))
 
+			-- Animations: flash the slot when its occupant changes (deposit /
+			-- withdraw / swap), but never on the first render of this card.
+			if card._stableInit and card._lastStablePetId ~= petId then
+				if type(MTH_FX_Flash) == "function" and type(MTH_FX_IsEnabled) == "function"
+					and MTH_FX_IsEnabled("ui.stable") then
+					MTH_FX_Flash(card, 1.00, 0.82, 0.20, 0.55)
+				end
+			end
+			card._lastStablePetId = petId
+			card._stableInit = true
+
 			card:ClearAllPoints()
 			card:SetPoint("TOPLEFT", ui.frame, "TOPLEFT", 8, y)
 			card:SetPoint("TOPRIGHT", ui.frame, "TOPRIGHT", -8, y)