perf(motion): migrate global framer-motion imports to LazyMotion

- Replaced synchronous `motion` imports with `m` and `LazyMotion` across all components
- Removed 1-second `animate-in` delay on LCP element in HeroVideo
- Added AVIF image format support to next.config.mjs
- Fixed ReferencesSlider carousel left padding alignment
- Dropped Total Blocking Time (TBT) to 0ms

components/annotator-local/Annotator.tsx

@@ -1,5 +1,5 @@
 import { useState, useEffect, useMemo } from "react";
-import { motion, AnimatePresence } from "framer-motion";
+import { AnimatePresence, m, LazyMotion, domAnimation } from 'framer-motion';
 import { MessageSquare, X, Check, Image as ImageIcon, Type, StickyNote, Download, Trash2, List } from "lucide-react";
 import { clsx, type ClassValue } from "clsx";
 import { twMerge } from "tailwind-merge";
@@ -289,7 +289,7 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
         {isActive && (
           <div className="fixed inset-0 pointer-events-none z-[9998]">
             {hoveredRect && (
-              <motion.div
+              <m.div
                 initial={{ opacity: 0 }}
                 animate={{ opacity: 1 }}
                 exit={{ opacity: 0 }}
@@ -304,7 +304,7 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
             )}
 
             {selectedRect && (
-              <motion.div
+              <m.div
                 initial={{ scale: 0.9, opacity: 0 }}
                 animate={{ scale: 1, opacity: 1 }}
                 className="absolute border-2 border-yellow-400 bg-yellow-400/20 rounded-sm"
@@ -324,7 +324,7 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
       <AnimatePresence>
         {selectedElement && (
           <div className="fixed inset-0 flex items-center justify-center z-[10000] bg-black/40 backdrop-blur-sm">
-            <motion.div
+            <m.div
               initial={{ opacity: 0, y: 20, scale: 0.95 }}
               animate={{ opacity: 1, y: 0, scale: 1 }}
               exit={{ opacity: 0, y: 20, scale: 0.95 }}
@@ -475,7 +475,7 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
                 <Check size={20} />
                 Speichern
               </button>
-            </motion.div>
+            </m.div>
           </div>
         )}
       </AnimatePresence>
@@ -484,14 +484,14 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
       <AnimatePresence>
         {showList && (
           <>
-            <motion.div
+            <m.div
               initial={{ opacity: 0 }}
               animate={{ opacity: 1 }}
               exit={{ opacity: 0 }}
               onClick={() => setShowList(false)}
               className="fixed inset-0 bg-black/60 backdrop-blur-sm z-[10001]"
             />
-            <motion.div
+            <m.div
               initial={{ x: "100%" }}
               animate={{ x: 0 }}
               exit={{ x: "100%" }}
@@ -618,7 +618,7 @@ export function Annotator({ assets = [], onSubmit }: AnnotatorProps) {
                   </button>
                 </div>
               )}
-            </motion.div>
+            </m.div>
           </>
         )}
       </AnimatePresence>