fix(blog): auto-play LoadTimeSimulator, fix Carousel data, filter TableOfContents text, extend CarouselBlock schema

apps/web/src/components/simulations/LoadTimeSimulator.tsx

@@ -1,14 +1,16 @@
 "use client";
 
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { ComponentShareButton } from '../ComponentShareButton';
 import { Reveal } from '../Reveal';
-import { Play, RotateCcw } from 'lucide-react';
+import { RotateCcw } from 'lucide-react';
 
 export function LoadTimeSimulator({ className = '' }: { className?: string }) {
     const [isRunning, setIsRunning] = useState(false);
     const [timeElapsed, setTimeElapsed] = useState(0);
     const [legacyState, setLegacyState] = useState(0);
+    const [hasAutoStarted, setHasAutoStarted] = useState(false);
+    const containerRef = useRef<HTMLDivElement>(null);
     const [mintelState, setMintelState] = useState(0);
 
     useEffect(() => {
@@ -36,6 +38,25 @@ export function LoadTimeSimulator({ className = '' }: { className?: string }) {
         return () => clearInterval(interval);
     }, [isRunning, timeElapsed]);
 
+    // Auto-start the race when scrolled into viewport
+    useEffect(() => {
+        if (hasAutoStarted) return;
+        const el = containerRef.current;
+        if (!el) return;
+        const observer = new IntersectionObserver(
+            ([entry]) => {
+                if (entry.isIntersecting) {
+                    setHasAutoStarted(true);
+                    setIsRunning(true);
+                    observer.disconnect();
+                }
+            },
+            { threshold: 0.4 }
+        );
+        observer.observe(el);
+        return () => observer.disconnect();
+    }, [hasAutoStarted]);
+
     const startRace = () => {
         setTimeElapsed(0);
         setLegacyState(0);
@@ -45,7 +66,7 @@ export function LoadTimeSimulator({ className = '' }: { className?: string }) {
 
     return (
         <Reveal direction="up" delay={0.1}>
-            <div className={`not-prose max-w-4xl mx-auto my-12 relative group ${className}`}>
+            <div ref={containerRef} className={`not-prose max-w-4xl mx-auto my-12 relative group ${className}`}>
                 <div className="absolute -inset-1 bg-gradient-to-r from-red-100 to-emerald-100 rounded-3xl blur opacity-30" />
 
                 <div id="sim-load-time" className="relative bg-white rounded-2xl border border-slate-200 shadow-sm overflow-hidden flex flex-col">
@@ -63,13 +84,15 @@ export function LoadTimeSimulator({ className = '' }: { className?: string }) {
                                 Simulieren Sie den Unterschied zwischen dynamischem Server-Rendering (PHP/MySQL) und statischer Edge-Auslieferung (<span className="font-mono bg-slate-200 px-1 rounded text-[10px]">TTV &lt; 500ms</span>).
                             </p>
                         </div>
-                        <button
-                            onClick={startRace}
-                            className="shrink-0 flex items-center gap-2 px-6 py-2.5 bg-slate-900 !text-white rounded-full font-bold text-sm hover:hover:bg-black hover:scale-105 active:scale-95 transition-all shadow-md"
-                        >
-                            {timeElapsed > 0 ? <RotateCcw size={16} /> : <Play size={16} />}
-                            {timeElapsed > 0 ? "Neustart" : "Rennen Starten"}
-                        </button>
+                        {timeElapsed > 0 && !isRunning && (
+                            <button
+                                onClick={startRace}
+                                className="shrink-0 flex items-center gap-2 px-6 py-2.5 bg-slate-900 !text-white rounded-full font-bold text-sm hover:hover:bg-black hover:scale-105 active:scale-95 transition-all shadow-md"
+                            >
+                                <RotateCcw size={16} />
+                                Neustart
+                            </button>
+                        )}
                     </div>
 
                     <div className="grid md:grid-cols-2 divide-y md:divide-y-0 md:divide-x divide-slate-100 bg-slate-50/50">