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.lua

@@ -29,6 +29,34 @@ local function MTH_BOOK_AnimateTabSwitch()
 	Sauce:FadeIn(list, 0.25)
 end
 
+-- Fade the book window out before hiding it, unless disabled (shares the
+-- "fade windows closed" toggle with the options window).
+local function MTH_BOOK_FadeOutWindow(frame)
+	if not frame then return end
+	if not Sauce
+		or (type(MTH_FX_IsEnabled) == "function" and not MTH_FX_IsEnabled("ui.optionsclose")) then
+		if type(frame.SetAlpha) == "function" then frame:SetAlpha(1) end
+		frame:Hide()
+		return
+	end
+	Sauce:FadeOut(frame, 0.22, "inQuad", {
+		onFinish = function()
+			frame:Hide()
+			if type(frame.SetAlpha) == "function" then frame:SetAlpha(1) end
+		end,
+	})
+end
+
+-- Fade the results list back in after a search/filter is applied, unless disabled.
+local function MTH_BOOK_AnimateSearchResults()
+	if not Sauce then return end
+	if type(MTH_FX_IsEnabled) == "function" and not MTH_FX_IsEnabled("book.search") then return end
+	local list = getglobal("MTH_BOOK_ListBackdrop")
+	if not list then return end
+	if type(list.SetAlpha) == "function" then list:SetAlpha(0) end
+	Sauce:FadeIn(list, 0.22)
+end
+
 MTH_HUNTERBOOK_LOADED = true
 MTH_HUNTERBOOK_TABS = MTH_HUNTERBOOK_TABS or {}
 
@@ -4719,6 +4747,7 @@ local function MTH_BOOK_ApplyInputs()
 	MTH_BOOK_STATE.selectedPetRankEntry = nil
 	MTH_BOOK_STATE.petRankRows = {}
 	MTH_BOOK_RefreshFilter()
+	MTH_BOOK_AnimateSearchResults()
 end
 
 local function MTH_BOOK_SetQuickFilter(index)
@@ -5301,7 +5330,7 @@ local function MTH_BOOK_WireUI(frame)
 		closeButton:SetWidth(22)
 		closeButton:SetHeight(22)
 		closeButton:SetText("X")
-		closeButton:SetScript("OnClick", function() this:GetParent():Hide() end)
+		closeButton:SetScript("OnClick", function() MTH_BOOK_FadeOutWindow(this:GetParent()) end)
 	end
 	if applyButton then applyButton:SetScript("OnClick", MTH_BOOK_ApplyInputs) end
 
@@ -5752,7 +5781,7 @@ function MTH_ToggleHunterBook()
 	local frame = MTH_BOOK_EnsureWindow()
 	if not frame then return end
 	if frame:IsShown() then
-		frame:Hide()
+		MTH_BOOK_FadeOutWindow(frame)
 	else
 		frame:Show()
 		MTH_BOOK_FadeInWindow(frame)