10x every page: real interactions, kill fake content, wire everything

- ChatWidget: remove illegal seeds, real localStorage per-handle chat,
  honest bot replies about market/forum/funds
- ForumBoard: wire to real forumState (loadForum/addThread/vote), kill
  fake stats and illegal seed posts
- Home page: privacy features list reflects reality, footer links real
- Links: kill all alert() calls, replace fake onions with real clearnet
  privacy resources + internal route grid
- Support: per-coin copied state, env-driven addresses, real BTC addr
- Inner circle: wire to AccountContext, tier system from LUX balance,
  remove hardcoded admin/shadow credentials and fake trading signals
- Drop box: real sealed-note localStorage system, honest about no
  anonymous upload capability, real file picker with receipt
- Messages: fully functional per-handle localStorage chat, AI-style
  contextual bot replies, clear history, honest about local storage
- Wallets: pivot from fake PayPal accounts to Digital Access Passes,
  wire Buy Now to cart via ShopProduct interface
- Testimonials: wire submit form to localStorage, interactive star
  rating 1-10, display submitted reviews above the fold
- Raffle: use real merchant BTC address, real per-handle entry storage,
  honest LUX-only prize disclaimer, fix 0x address
- Drops/Lotto: real number picker 1-49 with Quick Pick, ticket
  submission, match display against drawn numbers, demo disclaimer
- Sanctuary: real 4-4-6-2 breathing timer, meditation passage with
  timer, candle-lighting with localStorage notes
- Game: full playable Void Pong with canvas physics, CPU AI, scoring,
  rally counter, localStorage high score
- Security analysis: honest architecture breakdown with real grades,
  layer-by-layer analysis, practical OPSEC guide, fiction banner
- Trust: compute real scores from actual localStorage data (LUX,
  USD, forum posts, testimonials), FAQ accordion

Made-with: Cursor

app/sign-up/page.tsx

@@ -2,11 +2,12 @@
 
 import { FormEvent, useEffect, useState } from "react";
 import Link from "next/link";
-import { useRouter } from "next/navigation";
+import { useRouter, useSearchParams } from "next/navigation";
 import { useAccount } from "@/contexts/AccountContext";
 
 export default function SignUpPage() {
   const router = useRouter();
+  const searchParams = useSearchParams();
   const { user, hydrated, signUp } = useAccount();
   const [username, setUsername] = useState("");
   const [displayName, setDisplayName] = useState("");
@@ -15,8 +16,10 @@ export default function SignUpPage() {
   const [busy, setBusy] = useState(false);
 
   useEffect(() => {
-    if (hydrated && user) router.replace("/dashboard");
-  }, [hydrated, user, router]);
+    if (!hydrated || !user) return;
+    const next = searchParams.get("next");
+    router.replace(next && next.startsWith("/") && !next.startsWith("//") ? next : "/dashboard");
+  }, [hydrated, user, router, searchParams]);
 
   const onSubmit = async (e: FormEvent) => {
     e.preventDefault();
@@ -28,7 +31,8 @@ export default function SignUpPage() {
       setError(res.error);
       return;
     }
-    router.push("/dashboard");
+    const next = searchParams.get("next");
+    router.push(next && next.startsWith("/") && !next.startsWith("//") ? next : "/dashboard");
   };
 
   if (!hydrated || user) {
@@ -103,7 +107,14 @@ export default function SignUpPage() {
 
         <p className="mt-8 text-center text-sm text-zinc-500">
           Already have a handle?{" "}
-          <Link href="/sign-in" className="text-neon-cyan hover:underline">
+          <Link
+            href={
+              searchParams.get("next")
+                ? `/sign-in?next=${encodeURIComponent(searchParams.get("next")!)}`
+                : "/sign-in"
+            }
+            className="text-neon-cyan hover:underline"
+          >
             Sign in
           </Link>
         </p>