feat(analytics): retire Rybbit and add SEO/GEO discovery tracking

Document Umami as the sole analytics platform, remove Rybbit proxy and
tracker code, and classify public page traffic with discovery_channel for
adm SEO/GEO dashboards.

Co-authored-by: Cursor <cursoragent@cursor.com>

mindspace-analytics.mjs

@@ -1,5 +1,7 @@
 import crypto from 'node:crypto';
 
+import { buildInlineDiscoveryResolverScript } from './mindspace-analytics-discovery.mjs';
+
 const ANALYTICS_MARKER = 'data-memind-analytics="1"';
 
 export function resolveMindSpaceAnalyticsConfig(env = process.env) {
@@ -171,6 +173,7 @@ export function injectMindSpaceAnalytics(html, {
   generatedAt = '',
   channel = 'h5',
   viewerIdentity = null,
+  referrerHint = '',
   config = resolveMindSpaceAnalyticsConfig(),
 } = {}) {
   const source = String(html ?? '');
@@ -187,7 +190,8 @@ export function injectMindSpaceAnalytics(html, {
   ];
   if (config.domains) attrs.push(`data-domains="${config.domains.replaceAll('"', '"')}"`);
   const viewerJson = viewerIdentity ? jsonForInlineScript(viewerIdentity) : 'null';
-  const block = `<script ${attrs.join(' ')} defer src="${config.scriptPath}"></script><script ${ANALYTICS_MARKER}>(function(){var d=${jsonForInlineScript(metadata)},v=${viewerJson},seen={};function safeTarget(h){if(!h)return'';try{var u=new URL(h,location.href);return u.origin===location.origin?u.pathname:'external:'+u.hostname;}catch{return'';}}function t(n,x){if(!window.umami||typeof window.umami.track!=='function')return;var p=Object.assign({},d,{page_url:location.href,page_route:location.pathname,page_title:document.title},x||{});window.umami.track(n,p);}function identifyViewer(){if(!v||!v.distinctId||!window.umami||typeof window.umami.identify!=='function')return;window.umami.identify(v.distinctId,{username:v.username||'',memind_page_url:location.href,owner_segment:v.ownerSegment||'',plan_type:v.planType||'',channel:v.channel||'public',surface:'generated_page',identity_mode:v.identityMode||'pseudonymous'});}function pageview(){if(!window.umami||typeof window.umami.track!=='function')return;window.umami.track();}function once(n,x){if(seen[n])return;seen[n]=1;t(n,x);}function ready(){identifyViewer();pageview();document.addEventListener('click',function(e){var el=e.target&&e.target.closest?e.target.closest('a,button,[role="button"],[data-umami-event]'):null;if(!el)return;var custom=el.getAttribute('data-umami-event');var href=el.tagName==='A'?el.getAttribute('href')||'':'';t(custom||'page_click',{element:el.tagName.toLowerCase(),element_id:el.id||'',event_label:(custom||el.getAttribute('aria-label')||'').slice(0,100),target_path:safeTarget(href)});},{passive:true});document.addEventListener('submit',function(e){var form=e.target;t('page_form_submit',{form_id:form&&form.id||'',form_action:safeTarget(form&&form.getAttribute('action')||'')});},{passive:true});var marks=[25,50,75,90];function scroll(){var h=document.documentElement.scrollHeight-window.innerHeight;if(h<=0){once('page_scroll_100');return;}var pct=Math.round(window.scrollY/h*100);marks.forEach(function(m){if(pct>=m)once('page_scroll_'+m);});}window.addEventListener('scroll',scroll,{passive:true});setTimeout(function(){once('page_engaged_10s');},10000);setTimeout(function(){once('page_engaged_30s');},30000);scroll();}if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',ready,{once:true});}else{ready();}})();</script>`;
+  const resolveDiscovery = buildInlineDiscoveryResolverScript(referrerHint);
+  const block = `<script ${attrs.join(' ')} defer src="${config.scriptPath}"></script><script ${ANALYTICS_MARKER}>(function(){var d=${jsonForInlineScript(metadata)},v=${viewerJson},seen={},resolveDiscovery=${resolveDiscovery};function safeTarget(h){if(!h)return'';try{var u=new URL(h,location.href);return u.origin===location.origin?u.pathname:'external:'+u.hostname;}catch{return'';}}function t(n,x){if(!window.umami||typeof window.umami.track!=='function')return;var p=Object.assign({},d,{page_url:location.href,page_route:location.pathname,page_title:document.title},x||{});window.umami.track(n,p);}function identifyViewer(){if(!v||!v.distinctId||!window.umami||typeof window.umami.identify!=='function')return;window.umami.identify(v.distinctId,{username:v.username||'',memind_page_url:location.href,owner_segment:v.ownerSegment||'',plan_type:v.planType||'',channel:v.channel||'public',surface:'generated_page',identity_mode:v.identityMode||'pseudonymous'});}function pageview(){if(!window.umami||typeof window.umami.track!=='function')return;window.umami.track(function(p){return Object.assign({},p||{},{data:Object.assign({},(p&&p.data)||{},d)});});}function once(n,x){if(seen[n])return;seen[n]=1;t(n,x);}function ready(){identifyViewer();Object.assign(d,resolveDiscovery());pageview();document.addEventListener('click',function(e){var el=e.target&&e.target.closest?e.target.closest('a,button,[role="button"],[data-umami-event]'):null;if(!el)return;var custom=el.getAttribute('data-umami-event');var href=el.tagName==='A'?el.getAttribute('href')||'':'';t(custom||'page_click',{element:el.tagName.toLowerCase(),element_id:el.id||'',event_label:(custom||el.getAttribute('aria-label')||'').slice(0,100),target_path:safeTarget(href)});},{passive:true});document.addEventListener('submit',function(e){var form=e.target;t('page_form_submit',{form_id:form&&form.id||'',form_action:safeTarget(form&&form.getAttribute('action')||'')});},{passive:true});var marks=[25,50,75,90];function scroll(){var h=document.documentElement.scrollHeight-window.innerHeight;if(h<=0){once('page_scroll_100');return;}var pct=Math.round(window.scrollY/h*100);marks.forEach(function(m){if(pct>=m)once('page_scroll_'+m);});}window.addEventListener('scroll',scroll,{passive:true});setTimeout(function(){once('page_engaged_10s');},10000);setTimeout(function(){once('page_engaged_30s');},30000);scroll();}if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',ready,{once:true});}else{ready();}})();</script>`;
   if (/<\/head>/i.test(source)) return source.replace(/<\/head>/i, `${block}</head>`);
   return source.replace(/<body\b/i, `${block}<body`);
 }