{#-
  PostHog analytics for the published rigplane.dev site (same project as
  rigplane.com, so docs-to-site journeys show up in one place).

  scripts/build_versioned_docs.py enables Material's "custom" analytics
  provider in its overlay config and copies this file into every exported
  version, so all versions share this one snippet. A plain `mkdocs build` or
  `mkdocs serve` never loads it, and it only starts on the rigplane.dev host.

  Cookieless by design (no consent banner on this site): in-memory
  persistence, no person profiles, no session replay, no autocapture, no
  campaign/click-ID params, and query strings and fragments are dropped from
  URLs before sending.
  The token is PostHog's public client-side project key.
-#}
<script>
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    function stripUrl(value) {
      if (typeof value !== "string" || !value) return value;
      try {
        var url = new URL(value);
        return url.origin + url.pathname;
      } catch (error) {
        return value.split(/[?#]/)[0];
      }
    }
    // posthog-js also derives campaign and click-ID props ($session_entry_*,
    // $initial_*) from the entry URL regardless of save_campaign_params.
    var CAMPAIGN_KEY = /^(\$session_entry_|\$initial_)?(utm_[a-z_]+|gclid|gclsrc|dclid|gbraid|wbraid|gad_source|fbclid|msclkid|twclid|li_fat_id|igshid|ttclid|rdt_cid|epik|qclid|sccid|oppref|irclid|_kx|mc_cid|ph_keyword)$/;
    function dropCampaignKeys(bag) {
      if (!bag || typeof bag !== "object") return;
      Object.keys(bag).forEach(function (key) {
        if (CAMPAIGN_KEY.test(key)) delete bag[key];
      });
    }
    var URL_PROPS = ["$current_url", "$referrer", "$initial_referrer", "$session_entry_url", "$session_entry_referrer", "$prev_pageview_pathname"];
    window.posthog.init("phc_yTcX74uByJQwDsKDop2KGHACRE6GrRuYmjeSrEt9ff3R", {
      api_host: "https://us.i.posthog.com",
      defaults: "2026-01-30",
      persistence: "memory",
      person_profiles: "identified_only",
      // Campaign params include click IDs (fbclid, gclid, ...); never register them.
      save_campaign_params: false,
      capture_pageview: "history_change",
      capture_pageleave: true,
      autocapture: false,
      capture_dead_clicks: false,
      rageclick: false,
      disable_session_recording: true,
      disable_surveys: true,
      advanced_disable_flags: true,
      before_send: function (event) {
        if (!event || !event.properties) return event;
        var props = event.properties;
        URL_PROPS.forEach(function (key) {
          if (key in props) props[key] = stripUrl(props[key]);
        });
        [props, props.$set, props.$set_once, event.$set, event.$set_once].forEach(dropCampaignKeys);
        var segment = location.pathname.split("/")[1] || "";
        props.site = "docs";
        props.docs_version = /^\d+\.\d+$/.test(segment) ? segment : "unversioned";
        return event;
      }
    });
    document.addEventListener("click", function (event) {
      var link = event.target && event.target.closest ? event.target.closest("a[href]") : null;
      if (!link || link.host === location.host || !/^https?:$/.test(link.protocol)) return;
      window.posthog.capture("docs.outbound_clicked", { link_host: link.host, link_path: link.pathname });
    }, true);
  })();
</script>