diff --git a/blog/deciding-well-solved/og.sha b/blog/deciding-well-solved/og.sha
index 10537fd..b828828 100644
--- a/blog/deciding-well-solved/og.sha
+++ b/blog/deciding-well-solved/og.sha
@@ -1 +1 @@
-fd33eff778150dc9761c06686c8724f3a410d2d92c31773199bf296e7a978280
+c68071b7668acbc7ccd38164266f7e969467cb3dfaef6991b9450ad18a08b401
diff --git a/blog/og.sha b/blog/og.sha
index 74654db..63e6ca9 100644
--- a/blog/og.sha
+++ b/blog/og.sha
@@ -1 +1 @@
-0c6e7f492bbc825a28152adc82ecaa38db04c4783d8ceff19764d4da82f8a08b
+2c4f702f53bca6ffe6048809778c2b4321a82cfe50204683004f39c5d5453fae
diff --git a/blog/one-question-answered/og.sha b/blog/one-question-answered/og.sha
index af50050..e672561 100644
--- a/blog/one-question-answered/og.sha
+++ b/blog/one-question-answered/og.sha
@@ -1 +1 @@
-0685827113872e73e353e63f4760d642c5453e7536aaa751598c87f69767a264
+daa7df89413ce5a2be60a0ce3f05370ec03da5dd3af382d95f6e3e88bf0fe2dd
diff --git a/chat.js b/chat.js
index fb9887a..f7dfb97 100644
--- a/chat.js
+++ b/chat.js
@@ -106,9 +106,10 @@
 // root with a code; wherever the widget then runs, it checks the state, exchanges the code and
 // returns to that path. The access token and the ID token are kept in the browser under
 // `chat-signin`, every message after carries the access token as `Authorization: Bearer`, and
-// `/logout` forgets both and ends the session at the service. A token that has lapsed, or that
-// the host no longer takes, is forgotten too, and the message goes as a visitor's, which Sonnet 5
-// answers, under a line that says so. A tag without `data-issuer` offers
+// `/logout` forgets both and ends the session at the service. While the browser waits for the
+// service, which may be waking from zero, the spinner says where it is going. A token that has
+// lapsed, or that the host no longer takes, is forgotten too, and the message goes as a
+// visitor's, which Sonnet 5 answers, under a line that says so. A tag without `data-issuer` offers
 // none of the four words, `/login`, `/logout`, `/model` and `/effort`, and sends them as it
 // sends any question.
 //
@@ -146,7 +147,7 @@
       helloHost: ["Hello. I answer from the model of {host}, and link", "every entity I name back to where it is written."],
       sub: "chat · {host}", bar: "ask · {host}",
       prompt: "Type a question, a number, or /help",
-      asking: "asking the model", answered: "answered", model: "model {sha} · {secs}s",
+      asking: "asking the model", signingIn: "signing in at {host}", signingOut: "signing out at {host}", answered: "answered", model: "model {sha} · {secs}s",
       claim: { partial: ["Partly backed", "The model's pages say only part of this."], contradicted: ["Contradicted", "The model's pages say otherwise."], absent: ["Not backed", "The model's pages don't say this."], unsourced: ["Not backed", "No page the chat read says this."] },
       claimsOne: "1 statement here isn't fully backed by the model's pages.", claimsMany: "{n} statements here aren't fully backed by the model's pages.",
       keys: { send: "enter send", last: "↑ last question", pick: "{range} pick", help: "/help", chosen: "{model} · {effort}" },
@@ -209,7 +210,7 @@
       helloHost: ["Hallo. Ich antworte aus dem Modell von {host}", "und verlinke jede Entität, die ich nenne."],
       sub: "Chat · {host}", bar: "fragen · {host}",
       prompt: "Frage, Nummer oder /help tippen",
-      asking: "frage das Modell", answered: "beantwortet", model: "Modell {sha} · {secs}s",
+      asking: "frage das Modell", signingIn: "Anmeldung bei {host}", signingOut: "Abmeldung bei {host}", answered: "beantwortet", model: "Modell {sha} · {secs}s",
       claim: { partial: ["Teilweise belegt", "Die Seiten des Modells sagen das nur zum Teil."], contradicted: ["Widerspricht dem Modell", "Die Seiten des Modells sagen etwas anderes."], absent: ["Nicht belegt", "Die Seiten des Modells sagen das nicht."], unsourced: ["Nicht belegt", "Keine Seite, die der Chat gelesen hat, sagt das."] },
       claimsOne: "Eine Aussage in dieser Antwort ist durch die Seiten des Modells nicht vollständig belegt.", claimsMany: "{n} Aussagen in dieser Antwort sind durch die Seiten des Modells nicht vollständig belegt.",
       keys: { send: "Enter senden", last: "↑ letzte Frage", pick: "{range} wählen", help: "/help", chosen: "{model} · {effort}" },
@@ -2513,6 +2514,30 @@
     else line.appendChild(document.createTextNode(" \u00b7 "));
     line.appendChild(b);
   }
+  // The spinner under the log: a frame that turns and the seconds counted, after the words for
+  // what is awaited. It returns what stops it and takes it away.
+  function spinner(words){
+    var t0 = Date.now(), wait = el("p", "rbchat-spin"), frame = el("span", "rbchat-frame", "|"), secs = el("span", "rbchat-secs");
+    wait.appendChild(frame); wait.appendChild(document.createTextNode(" " + words + "\u2026 ")); wait.appendChild(secs);
+    log.appendChild(wait); log.scrollTop = log.scrollHeight;
+    var spin = setInterval(function(){ frame.textContent = "|/-\\"[Math.floor((Date.now() - t0) / 90) % 4]; secs.textContent = seconds(Date.now() - t0); }, 90);
+    return function(){ clearInterval(spin); if (wait.parentNode) wait.parentNode.removeChild(wait); };
+  }
+  // The trip to the identity service, waited for: it scales to zero and takes a while to wake, and
+  // until its page arrives this one stays, so the spinner says where the reader is going and the
+  // line takes nothing meanwhile. A page the back button brings back from the cache is the one
+  // that left, spinner and all, so it is given back its line.
+  var stopLeaving = null;
+  function leaving(words){
+    busy = true; input.disabled = true;
+    stopLeaving = spinner(words.replace("{host}", hostOf(SITE.issuer)));
+  }
+  window.addEventListener("pageshow", function(e){
+    if (!e.persisted || !stopLeaving) return;
+    stopLeaving(); stopLeaving = null;
+    busy = false; input.disabled = false;
+  });
+  function hostOf(url){ try { return new URL(url).host; } catch (e) { return url; } }
   function b64url(bytes){
     var bin = "";
     for (var i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i]);
@@ -2534,6 +2559,7 @@
       try { sessionStorage.setItem(PKCE_KEY, JSON.stringify({ verifier: verifier, state: state, path: path })); }
       catch (e) { refuse("internal"); return; }
       keep();
+      leaving(strings(langNow()).signingIn);
       location.assign(authorizeUrl(SITE, b64url(new Uint8Array(h)), state, REDIRECT));
     }, function(){ refuse("internal"); });
   }
@@ -2543,6 +2569,7 @@
     var s = signedIn();
     forget();
     keep();
+    leaving(strings(langNow()).signingOut);
     var q = [["client_id", SITE.client]].concat(s && s.id ? [["id_token_hint", s.id]] : []).concat([["post_logout_redirect_uri", REDIRECT]]);
     location.assign(SITE.issuer + "/oidc/v1/end_session?" + q.map(function(p){ return p[0] + "=" + encodeURIComponent(p[1]); }).join("&"));
   }
@@ -2665,14 +2692,10 @@
     // wait, counting the seconds, and the finished answer arrives in one piece. The answer's
     // element is made now and filled as the stream comes, but joins the log only in finish().
     var ans = el("div", "rbchat-msg rbchat-assistant"), body = el("div", "rbchat-body"), t0 = Date.now();
-    var wait = el("p", "rbchat-spin"), frame = el("span", "rbchat-frame", "|"), secs = el("span", "rbchat-secs");
-    wait.appendChild(frame); wait.appendChild(document.createTextNode(" " + s.asking + "\u2026 ")); wait.appendChild(secs);
-    log.appendChild(wait); log.scrollTop = log.scrollHeight;
-    var spin = setInterval(function(){ frame.textContent = "|/-\\"[Math.floor((Date.now() - t0) / 90) % 4]; secs.textContent = seconds(Date.now() - t0); }, 90);
+    var stopSpin = spinner(s.asking);
     ans.appendChild(body);
     var acc = "", cites = [], names = [], cut = false, pictures = [], verdict = null, errored = false, ended = false, spoke = null, by = null;
     function render(){ body.innerHTML = md(acc); numberColumns(body); }
-    function stopSpin(){ clearInterval(spin); if (wait.parentNode) wait.parentNode.removeChild(wait); }
     // A stream that never ends — a dropped connection the browser does not notice — would
     // otherwise lock the panel forever: nothing else re-enables the form. Ninety seconds after
     // the request goes out, fifteen minutes above `low`, the controller aborts it, and the abort
diff --git a/ideas/og.sha b/ideas/og.sha
index 0b8a01d..51d1a14 100644
--- a/ideas/og.sha
+++ b/ideas/og.sha
@@ -1 +1 @@
-357038d5824bab66c7797dd7ac911b08c479fa86551478b25c4dc1213d0aeddb
+74f9c4c3f537fd0b29bae7207ea82b4738bd99d96f4370ec6f347d4e2142c205
diff --git a/model/og.sha b/model/og.sha
index f000a18..d1730b9 100644
--- a/model/og.sha
+++ b/model/og.sha
@@ -1 +1 @@
-4a45327d9aeca8b09809f3da286c662d77b8e44ce8a35e381aa351dccb4298ee
+ac29b989dc84d108240e216ffa6b0aead41dc72d15fa25f5b99f5d846ca52ad5
diff --git a/og.sha b/og.sha
index 786273b..667675c 100644
--- a/og.sha
+++ b/og.sha
@@ -1 +1 @@
-9e465cdc89df7f5033bb803b9bc9e7a054cc9f4e450b577331d0d6f143aae3ab
+afde0464d3311517d43cd3d15dace77a7f17842606921658ec0e7c55f3c00255
diff --git a/package-lock.json b/package-lock.json
index 75509cd..788849f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
         "companygraph-meta-model": "github:companygraph/meta-model#v0.95.0"
       },
       "devDependencies": {
-        "@robertblust/design": "github:robertblust/design#v0.159.0",
+        "@robertblust/design": "github:robertblust/design#v0.160.0",
         "companygraph-mcp-server": "github:companygraph/mcp-server#v0.71.0",
         "pdf-lib": "^1.17.1",
         "playwright": "^1.64.1"
@@ -95,8 +95,8 @@
       }
     },
     "node_modules/@robertblust/design": {
-      "version": "0.159.0",
-      "resolved": "git+ssh://git@github.com/robertblust/design.git#017a6f23ceb5fc5200aabedc3d24ebecdd7d6418",
+      "version": "0.160.0",
+      "resolved": "git+ssh://git@github.com/robertblust/design.git#7fcde97756f576317f67e67b3f6d2cbfdeea62a1",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index e34f2ad..bcf1531 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "pin:check": "node pin-check.mjs"
   },
   "devDependencies": {
-    "@robertblust/design": "github:robertblust/design#v0.159.0",
+    "@robertblust/design": "github:robertblust/design#v0.160.0",
     "companygraph-mcp-server": "github:companygraph/mcp-server#v0.71.0",
     "pdf-lib": "^1.17.1",
     "playwright": "^1.64.1"
diff --git a/principles/og.sha b/principles/og.sha
index a5feb50..9f5277a 100644
--- a/principles/og.sha
+++ b/principles/og.sha
@@ -1 +1 @@
-8c1042f6e5f5f0ea23e6b5520fd8ebe6dffa890304f3b1d34414ec6d2328fb53
+348f4e6b4920c1d3e179e9a287469701a0a4fbb2c10cc85fe160e9c9f8911cc4
diff --git a/privacy/og.sha b/privacy/og.sha
index ff8225f..c134465 100644
--- a/privacy/og.sha
+++ b/privacy/og.sha
@@ -1 +1 @@
-b05078056aa77d2103256317bfe4df70d16547557574ed7d946521b75b25b280
+f113315cc80f1d10f13d6b4190e144d836e3e3f1cb9acbf089444b438e1c07a9
diff --git a/processes/og.sha b/processes/og.sha
index 1186f1a..65af88c 100644
--- a/processes/og.sha
+++ b/processes/og.sha
@@ -1 +1 @@
-8df1c725808c65b41c8c7c43205aef77a577b9f20f7cfbaf2772f42e13f1b447
+a8d4c40c2f4db7bee5342242ab314eb4a60fec255b9c07ae2edc7cda3496d672
diff --git a/processes/pictures/answering.sha b/processes/pictures/answering.sha
index 62af499..38dda96 100644
--- a/processes/pictures/answering.sha
+++ b/processes/pictures/answering.sha
@@ -1 +1 @@
-610f6047458f5666d89656f0b4825a9a46b7d63a44059764cbd3495df41214b5
+92124a8bcdc4c70612f8007dd0038091ecf44477ac5d273e4c0acecd2380d1e0
diff --git a/processes/pictures/deciding.sha b/processes/pictures/deciding.sha
index efae957..f07f8ea 100644
--- a/processes/pictures/deciding.sha
+++ b/processes/pictures/deciding.sha
@@ -1 +1 @@
-ea88132bfcfa25ccaf4729eaf232c7f86cbf82c31b63f04017e9153b8b384e38
+5ff49e62856e7bddccee921edc9e1b8e25c141ed481fd6e2890466731993f502
diff --git a/processes/pictures/delivery.sha b/processes/pictures/delivery.sha
index d96d494..c22331d 100644
--- a/processes/pictures/delivery.sha
+++ b/processes/pictures/delivery.sha
@@ -1 +1 @@
-5f49f4463780bbd940150c920fe58fc935ed47302af5626b37c0eba02ebcd828
+2bde0e4ff652433f8cd43242bd96c4472213be52e47357dac552f236442b8969
diff --git a/processes/pictures/narrating.sha b/processes/pictures/narrating.sha
index b64ca2e..c7a6479 100644
--- a/processes/pictures/narrating.sha
+++ b/processes/pictures/narrating.sha
@@ -1 +1 @@
-1b6f46e68be95db285db4c7d00a9dbc160259c6f75d7456d21a213c0db7e650b
+24c2337b2e7e55839fbdd7de3e48a7dac9ef68977d0e71dcdf296215f031955f
diff --git a/surfaces/og.sha b/surfaces/og.sha
index 533aeed..dd8ccbd 100644
--- a/surfaces/og.sha
+++ b/surfaces/og.sha
@@ -1 +1 @@
-f1479c9e788c6a714627b81b97267e6305ede677b89f07cfcac197f2b51edf50
+0b3abad8be86d0701a7ecdc54679528ee5b3f25cdd5607975db7b46fba03f3a2
diff --git a/talks/deciding-well/cost/og.sha b/talks/deciding-well/cost/og.sha
index 72398bf..41936e0 100644
--- a/talks/deciding-well/cost/og.sha
+++ b/talks/deciding-well/cost/og.sha
@@ -1 +1 @@
-9c54e6176b0d8ed14427aa52a74e26cbf520b5d6c76a6a5a0b582b49e42faec5
+f055ce62d99f9d9543b106e4b7b82f11c07a65f4875914906d4009ee2552e61c
diff --git a/talks/deciding-well/og.sha b/talks/deciding-well/og.sha
index 6f2544d..1006b7f 100644
--- a/talks/deciding-well/og.sha
+++ b/talks/deciding-well/og.sha
@@ -1 +1 @@
-4b191eb1d05cf138d50d77adfe902f4a748affce2d34165aa95e1637a693160e
+aef7400bc6c0819c2519add309bcfa55d35fe562900685fa91fa7d8d44308e76
diff --git a/talks/essential-complexity/og.sha b/talks/essential-complexity/og.sha
index 208a559..d49e24a 100644
--- a/talks/essential-complexity/og.sha
+++ b/talks/essential-complexity/og.sha
@@ -1 +1 @@
-79ebef26252b28f0d681260f2dfeb736c71a6b55c813d63b69aa823bade18dd8
+69b6706251684282cf73ceff5a21edb013bfafbe3d04e91e7e0a56e355693f93
diff --git a/talks/mental-model/og.sha b/talks/mental-model/og.sha
index 31fa361..2a341c2 100644
--- a/talks/mental-model/og.sha
+++ b/talks/mental-model/og.sha
@@ -1 +1 @@
-a8fca3758f3e383dbb29568baf20361917fe1c1693b9264e9a2dacc32fa4b23c
+ea88b1643660457667376e55ec765149e0e6a65fc92896c0e95406431dbb7ade
diff --git a/talks/og.sha b/talks/og.sha
index 870f548..296caa6 100644
--- a/talks/og.sha
+++ b/talks/og.sha
@@ -1 +1 @@
-a851c464e729c6ae8dee4d6dad2127a13e360e55064d20c12190d3106990a488
+938f2c0c4675bd454e53a4ea9593f4be79df7a44b5ecd078ce2742311f029b4b
diff --git a/timeline/og.sha b/timeline/og.sha
index 8c8d98f..23f92a7 100644
--- a/timeline/og.sha
+++ b/timeline/og.sha
@@ -1 +1 @@
-2bfb2b5053eb04b9eddba309816fc7db11571819ce56a80f0573abd0884d9084
+1c740d1c7e46e8325ca8c79cfaeea5cbbde1b0707853c3738d9f489f2b096d9b