refactor: consolidate contact API logic and enhance error handling

- Migrate contact API from route.tsx to route.ts for improved organization.
- Implement filtering, pagination, and rate limiting for GET and POST requests.
- Enhance error handling for database operations, including graceful handling of missing tables.
- Validate input fields and email format in POST requests to ensure data integrity.

app/components/KernelPanic404.tsx

@@ -8,6 +8,7 @@ export default function KernelPanic404() {
   const inputContainerRef = useRef<HTMLDivElement>(null);
   const overlayRef = useRef<HTMLDivElement>(null);
   const bodyRef = useRef<HTMLDivElement>(null); // We'll use a wrapper div instead of document.body for some effects if possible, but strict effects might need body.
+  const bootStartedRef = useRef(false);
 
   useEffect(() => {
     /* --- SYSTEM CORE --- */
@@ -20,6 +21,10 @@ export default function KernelPanic404() {
     const body = document.body;
 
     if (!output || !input || !inputContainer || !overlay) return;
+    
+    // Prevent double initialization - check if boot already started or output has content
+    if (bootStartedRef.current || output.children.length > 0) return;
+    bootStartedRef.current = true;
 
     let audioCtx: AudioContext | null = null;
     let systemFrozen = false;