site: add X (Twitter) links to header & footer

https://x.com/AgentsQuant in src/data/site.ts; linked from the landing header
nav, footer brand chip and Network column, plus the terminal StatusBar (parity
with the Telegram links).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/data/site.ts

@@ -2,8 +2,8 @@
 export const SITE = {
   /** Telegram alert bot — live verdicts & paper fills, /status /positions /pnl /help. */
   telegramBot: 'https://t.me/agentsquant_bot',
-  /** Project X / Twitter (fill when available). */
-  x: '',
+  /** Project X / Twitter. */
+  x: 'https://x.com/AgentsQuant',
   /** $QUANT Solana mint (post-TGE). */
   contract: '',
 } as const

src/pages/Landing.tsx

@@ -43,6 +43,14 @@ export function Landing() {
             <span className="font-display text-base font-bold tracking-tight text-bone">Quant<span className="text-muted"> Agent</span></span>
           </span>
           <nav className="flex items-center gap-5">
+            <a
+              href={SITE.x}
+              target="_blank"
+              rel="noreferrer"
+              className="font-mono text-micro uppercase tracking-[0.14em] text-muted transition-colors hover:text-accent"
+            >
+              X ↗
+            </a>
             <a
               href={SITE.telegramBot}
               target="_blank"
@@ -162,6 +170,14 @@ export function Landing() {
                 >
                   Telegram ↗
                 </a>
+                <a
+                  href={SITE.x}
+                  target="_blank"
+                  rel="noreferrer"
+                  className="flex items-center gap-1.5 rounded-sm border border-line-soft px-2 py-1 font-mono text-micro text-muted transition-colors hover:border-line-strong hover:text-bone"
+                >
+                  X ↗
+                </a>
               </div>
             </div>
 
@@ -177,6 +193,7 @@ export function Landing() {
               { label: 'L4 · Decision', href: '#how' },
             ]} />
             <FooterCol title="Network" links={[
+              { label: 'X (Twitter) ↗', href: SITE.x },
               { label: 'Telegram bot ↗', href: SITE.telegramBot },
               { label: 'Hyperliquid ↗', href: 'https://hyperliquid.xyz' },
               { label: 'Hyperliquid docs ↗', href: 'https://hyperliquid.gitbook.io' },

src/pages/Terminal.tsx

@@ -180,6 +180,15 @@ function StatusBar({ live, ago, stale, onReload }: { live: boolean; ago: number
             {ago != null && <span className="tnum hidden sm:inline">{ago}s</span>}
           </button>
           <span className="tnum hidden text-bone-dim md:inline">{clock} UTC</span>
+          <a
+            href={SITE.x}
+            target="_blank"
+            rel="noreferrer"
+            title="Quant Agent on X"
+            className="hidden text-faint transition-colors hover:text-accent sm:inline"
+          >
+            X ↗
+          </a>
           <a
             href={SITE.telegramBot}
             target="_blank"