Add Plausible custom events + weekly insights dashboard + cron

- Custom Plausible events: Pricing Click, Chat Toggle, Chat Message Sent,
  FAQ Toggle, Speedrun Nav, Mobile Menu Toggle, Scroll Depth (25/50/75/100%)
- Weekly Insights section on launch dashboard with visitor/pageview/bounce
  rate/visit duration/top pages/top referrers + analysis cards
- data/insights.json for storing weekly analytics summaries
- scripts/check-plausible-email.py — finds latest Plausible email via IMAP
- Cron job: every Mon 09:00 PYST, reads Plausible email, writes insights,
  analyzes and implements improvements

index.html

@@ -1692,6 +1692,7 @@
             })();
 
             function slideSpeedrun(dir) {
+                plausible('Speedrun Nav', { props: { direction: dir > 0 ? 'next' : 'prev' } });
                 const slider = document.getElementById('speedrunSlider');
                 if (!slider) return;
                 const slideWidth = slider.querySelector('.video-slide').offsetWidth + 20;
@@ -2187,12 +2188,15 @@
     <script>
         // ── Mobile menu ──────────────────────────────────────────
         function toggleMobile() {
+            plausible('Mobile Menu Toggle');
             const nav = document.getElementById('nav-links');
             nav.classList.toggle('mobile-open');
         }
 
         // ── FAQ accordion ────────────────────────────────────────
         function toggleFaq(btn) {
+            const q = btn.innerText.replace(/[?✦]/g, '').trim();
+            plausible('FAQ Toggle', { props: { question: q } });
             const answer = btn.nextElementSibling;
             const isOpen = answer.classList.contains('open');
             // Close all
@@ -2426,6 +2430,8 @@
                 return;
             }
 
+            plausible('Pricing Click', { props: { product: product, agent: agent, period: period } });
+
             try {
                 // Use a hidden form POST so the 302 redirect opens naturally in the new tab
                 const form = document.createElement('form');
@@ -2473,6 +2479,7 @@
         let probeTimer = null;
 
         function chatToggle() {
+            plausible('Chat Toggle', { props: { action: chatOpen ? 'close' : 'open' } });
             chatOpen = !chatOpen;
             document.getElementById('chat-widget').classList.toggle('open', chatOpen);
             document.getElementById('chat-fab').classList.toggle('open', chatOpen);
@@ -2522,6 +2529,7 @@
             const btn = document.getElementById("chat-send-btn");
             const msg = input.value.trim();
             if (!msg || chatBusy) return;
+            plausible('Chat Message Sent');
             chatBusy = true;
             chatOpenSilent();
             chatAppendMsg("user", msg);
@@ -2635,6 +2643,30 @@
             }
         })();
 
+        /* ── Scroll Depth Tracking ────────────────────────── */
+        (function () {
+            const thresholds = [25, 50, 75, 100];
+            let sent = {};
+            let ticking = false;
+            window.addEventListener('scroll', function () {
+                if (!ticking) {
+                    window.requestAnimationFrame(function () {
+                        const scrolled = window.pageYOffset + window.innerHeight;
+                        const total = document.documentElement.scrollHeight;
+                        const pct = Math.min(100, Math.round((scrolled / total) * 100));
+                        thresholds.forEach(function (t) {
+                            if (pct >= t && !sent[t]) {
+                                sent[t] = true;
+                                plausible('Scroll Depth', { props: { percent: t + '%' } });
+                            }
+                        });
+                        ticking = false;
+                    });
+                    ticking = true;
+                }
+            });
+        })();
+
         </script>
 
 <div class="pricing-toast" id="pricing-toast"></div>