diff --git a/trailer.html b/trailer.html
index c49cfea..728dcaa 100644
--- a/trailer.html
+++ b/trailer.html
@@ -60,14 +60,20 @@
        border-radius:999px;padding:0 6px}
   .vobadge{color:var(--muted);font-size:11px;border:1px solid var(--line);
        border-radius:999px;padding:0 6px}
-  .revs{margin:0 0 22px}
-  .rev{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
-  .rev h4{margin:0 0 6px;font-size:14px}
-  .rev h4 .n{color:var(--accent2);font-weight:600;margin-left:8px}
-  .rev ul{margin:4px 0 8px;padding-left:18px;font-size:13px}
-  .rev .er{color:#e0685f}
-  .rev .kp{color:var(--accent2)}
-  .rev .sh{color:var(--muted);font-variant-numeric:tabular-nums}
+  .gaps{border:1px solid var(--accent);border-radius:10px;padding:14px 16px;margin:0 0 14px}
+  .gaps h4{margin:0 0 4px;font-size:15px;color:var(--accent)}
+  .gaps .verdict{font-size:14px;margin:0 0 10px}
+  .gaps ol{margin:0;padding-left:20px;font-size:13px}
+  .gaps li{margin-bottom:7px}
+  .gaps .fix{color:var(--muted);display:block}
+  .gaps .sh{color:var(--muted);font-variant-numeric:tabular-nums}
+  .rd{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
+  .rd h4{margin:0 0 6px;font-size:14px}
+  .rd h4 .n{color:var(--accent2);font-weight:600;margin-left:8px}
+  .rd blockquote{margin:0 0 8px;font-size:14px;border-left:2px solid var(--line);padding-left:10px}
+  .rd .kv{color:var(--muted);font-size:12.5px;margin:2px 0}
+  .rd ul{margin:6px 0 0;padding-left:18px;font-size:13px}
+  .rd .wrong{color:#e0685f}
   .tools{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-top:10px}
   .tools button{font-size:12px;padding:5px 10px}
   .chk{font-size:12px;border-radius:999px;padding:1px 8px;border:1px solid var(--line);color:var(--muted)}
@@ -114,8 +120,6 @@
   function busyRun() {
     return RUN && /^(writing|reviewing|revising)$/.test(String(RUN.stage || ""));
   }
-  // A shot is busy while it is being written, drawn or filmed. Any of those
-  // means the package on screen is about to change.
   function busyShots() {
     return (PKG.shots || []).some(function (s) {
       return s.writing || s.drawing || s.filming; });
@@ -141,13 +145,14 @@
     if (!busy && timer) { clearInterval(timer); timer = null; }
   }
 
-  // A refresh keeps the tab you are on and the box you are typing in.
   async function refresh() {
     var r = await api("run_status", { run_id: runId });
     if (!r.ok) return;
     RUN = r.run; DRAFTS = r.drafts || [];
     document.getElementById("sub").textContent = sub();
     paintTabs();
+    var rv = await api("list_reviews", { run_id: runId });
+    REVIEWS = (rv && rv.reviews) || [];
     await openTab(CUR);
     tick();
   }
@@ -179,7 +184,8 @@
       var extra = d.state === "writing" ? '<span class="st">writing…</span>'
                 : d.state === "failed"  ? '<span class="st">failed</span>'
                 : (s && !/^(drawn|failed)/.test(s)) ? '<span class="st">' + esc(s) + '</span>'
-                : d.score               ? '<span class="sc">' + d.score + '</span>'
+                : d.score               ? '<span class="sc" title="how well readers understood it">'
+                                          + d.score + '</span>'
                 : '';
       return '<button type="button" class="tab' + (d.id === CUR ? ' on' : '')
         + (d.writer === RUN.lead_writer ? ' lead' : '') + '" data-tab="' + esc(d.id) + '">'
@@ -235,7 +241,8 @@
 
     if (drawing) out.push('<button type="button" class="btn" disabled>Drawing… ' + esc(s) + '</button>');
     else if (undrawn) out.push('<button type="button" class="btn" data-draw="' + esc(meta.id)
-      + '">Draw ' + (undrawn === shots.length ? 'this storyboard' : undrawn + ' undrawn shots')
+      + '">Draw ' + (undrawn === shots.length ? 'this storyboard'
+          : undrawn + ' undrawn shot' + (undrawn === 1 ? '' : 's'))
       + ' &middot; $' + (imgs * 0.068).toFixed(2) + '</button>');
     else out.push('<span class="soon">storyboard drawn'
       + (meta.draw_usd ? ' &middot; $' + Number(meta.draw_usd).toFixed(2) : '') + '</span>');
@@ -244,10 +251,12 @@
       var others = DRAFTS.filter(function (d) {
         return d.writer !== RUN.lead_writer && /^ready/.test(String(d.state)); }).length;
       if (RUN.stage === "reviewing")
-        out.push('<button type="button" class="btn" disabled>The others are reading it…</button>');
+        out.push('<button type="button" class="btn" disabled>Readers are watching it…</button>');
       else if (others)
-        out.push('<button type="button" class="btn" data-review="1">'
-          + (REVIEWS.length ? "Review it again" : "Have the others review this") + '</button>');
+        out.push('<button type="button" class="btn" data-review="1" title="'
+          + 'Each other model reads ONLY this script - no book - and says what it understood.">'
+          + (REVIEWS.length ? "Test it again" : "Does it make sense? Ask " + others + " readers")
+          + '</button>');
       if (RUN.stage === "revising")
         out.push('<button type="button" class="btn" disabled>Rewriting…</button>');
       else if (REVIEWS.length || Object.keys(NOTES).length)
@@ -264,26 +273,55 @@
     return out.join("");
   }
 
+  // What readers understood, and what the writer says it failed to say.
   function reviewsHtml(meta) {
     var mine = REVIEWS.filter(function (r) {
       return r.subject === meta.writer && Number(r.iteration) === Number(meta.iteration); });
     if (!mine.length) return "";
-    return '<div class="revs">' + mine.map(function (r) {
-      function list(items, cls, fmt) {
-        return (!items || !items.length) ? ""
-          : '<ul class="' + cls + '">' + items.map(fmt).join("") + '</ul>';
-      }
-      return '<div class="rev"><h4>' + esc(r.label) + '<span class="n">' + esc(r.score) + '/100</span></h4>'
-        + list(r.errors, "er", function (e) {
-            return '<li>' + (e.shot ? '<span class="sh">shot ' + esc(e.shot) + '</span> ' : '')
-              + esc(e.problem || "") + (e.fix ? ' &mdash; <i>' + esc(e.fix) + '</i>' : '') + '</li>'; })
-        + list(r.suggestions, "", function (s) {
-            return '<li>' + (s.shot ? '<span class="sh">shot ' + esc(s.shot) + '</span> ' : '')
-              + esc(s.change || "") + '</li>'; })
-        + list(r.strengths, "kp", function (s) {
-            return '<li>' + esc(typeof s === "string" ? s : JSON.stringify(s)) + '</li>'; })
+    var gaps = mine.filter(function (r) { return r.reviewer === "__gaps__"; })[0];
+    var readers = mine.filter(function (r) { return r.reviewer !== "__gaps__"; });
+    var out = "";
+
+    if (gaps) {
+      var v = gaps.strengths && gaps.strengths.verdict;
+      var list = gaps.suggestions || [];
+      out += '<div class="gaps"><h4>What this trailer does not tell a viewer</h4>'
+        + (v ? '<p class="verdict">' + esc(v) + '</p>' : '')
+        + (list.length ? '<ol>' + list.map(function (g) {
+            return '<li>' + esc(g.what || "")
+              + '<span class="fix"><span class="sh">shot ' + esc(g.shot || "?") + '</span> &rarr; '
+              + esc(g.fix || "") + '</span></li>'; }).join("") + '</ol>' : '')
         + '</div>';
-    }).join("") + '</div>';
+    }
+
+    out += readers.map(function (r) {
+      var s = r.strengths || {}, e = r.errors || {};
+      if (typeof s !== "object") s = {};
+      if (typeof e !== "object") e = {};
+      function ul(items, cls) {
+        return (!items || !items.length) ? ""
+          : '<ul class="' + cls + '">' + items.map(function (x) {
+              return '<li>' + esc(typeof x === "string" ? x : JSON.stringify(x)) + '</li>';
+            }).join("") + '</ul>';
+      }
+      return '<div class="rd"><h4>' + esc(r.label) + ' watched it without reading the book'
+        + (r.score ? '<span class="n" title="how much of the real story they got">'
+            + r.score + '/100</span>' : '') + '</h4>'
+        + (s.summary ? '<blockquote>' + esc(s.summary) + '</blockquote>' : '')
+        + '<div class="kv">main character: ' + esc(s.who || "not clear to them") + '</div>'
+        + '<div class="kv">what they want: ' + esc(s.wants || "not clear to them") + '</div>'
+        + '<div class="kv">what is in the way: ' + esc(s.obstacle || "not clear to them") + '</div>'
+        + (s.would_watch ? '<div class="kv">would they watch the film: '
+            + esc(s.would_watch) + '</div>' : '')
+        + (s.unanswered && s.unanswered.length
+            ? '<div class="kv">still asking:</div>' + ul(s.unanswered, "") : '')
+        + (e.missed && e.missed.length ? '<div class="kv">they missed:</div>' + ul(e.missed, "") : '')
+        + (e.got_wrong && e.got_wrong.length
+            ? '<div class="kv wrong">the trailer misled them:</div>' + ul(e.got_wrong, "wrong") : '')
+        + '</div>';
+    }).join("");
+
+    return '<div class="revs">' + out + '</div>';
   }
 
   function paneHtml(meta, draft) {
@@ -318,9 +356,7 @@
     }).join("") + '</div>';
 
     var body = insertHtml("start");
-    shots.forEach(function (s) {
-      body += shotHtml(s, voice) + insertHtml(s.id);
-    });
+    shots.forEach(function (s) { body += shotHtml(s, voice) + insertHtml(s.id); });
 
     return head + probs + '<div class="bar">' + barHtml(meta) + '</div>'
       + reviewsHtml(meta) + castHtml + body;
@@ -420,8 +456,6 @@
       + '</div></div>';
   }
 
-  // ------------------------------------------------------------ actions
-
   async function act(name, payload, msg) {
     var r = await api(name, payload);
     if (!r.ok) { showMsg("msg", r.error || "That did not work."); return null; }
@@ -431,7 +465,7 @@
   }
 
   document.getElementById("pane").addEventListener("click", async function (e) {
-    var hit = function (attr) { var el = e.target.closest("[" + attr + "]"); return el; };
+    var hit = function (attr) { return e.target.closest("[" + attr + "]"); };
     var el, r;
 
     if ((el = hit("data-cancel"))) { EDITING = null; openTab(CUR); return; }
@@ -443,14 +477,14 @@
       if (rough.length < 20) { showMsg("msg", "Say what happens in the scene."); return; }
       el.disabled = true;
       r = await act("add_shot", { draft_id: CUR, after: el.getAttribute("data-addgo"), rough: rough });
-      EDITING = null; if (r) { await refresh(); } return;
+      EDITING = null; if (r) await refresh(); return;
     }
     if ((el = hit("data-rewrite"))) {
       var rw = document.getElementById("rough").value.trim();
       if (rw.length < 20) { showMsg("msg", "Say what should change."); return; }
       el.disabled = true;
       r = await act("write_shot", { draft_id: CUR, shot_id: el.getAttribute("data-rewrite"), rough: rw });
-      EDITING = null; if (r) { await refresh(); } return;
+      EDITING = null; if (r) await refresh(); return;
     }
     if ((el = hit("data-drawone"))) {
       el.disabled = true;