Viewer: fold many argument-value fields per call (atif-scan 43ae555) (part 2)

rows/06-claude-code--fable-5--xhigh/trajectories/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/06-claude-code--fable-5--xhigh/trajectories/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/06-claude-code--fable-5--xhigh/viewer/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/06-claude-code--fable-5--xhigh/viewer/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/06-claude-code--fable-5--xhigh/viewer/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/07-codex--gpt-5-5--xhigh/trajectories/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/07-codex--gpt-5-5--xhigh/trajectories/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/07-codex--gpt-5-5--xhigh/trajectories/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/07-codex--gpt-5-5--xhigh/viewer/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/07-codex--gpt-5-5--xhigh/viewer/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/07-codex--gpt-5-5--xhigh/viewer/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/08-terminus-2--fable-5--high/trajectories/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/08-terminus-2--fable-5--high/trajectories/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/08-terminus-2--fable-5--high/trajectories/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/08-terminus-2--fable-5--high/viewer/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/08-terminus-2--fable-5--high/viewer/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/08-terminus-2--fable-5--high/viewer/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/09-cursor-cli--grok-4-5--high/trajectories/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/09-cursor-cli--grok-4-5--high/trajectories/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/09-cursor-cli--grok-4-5--high/trajectories/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/09-cursor-cli--grok-4-5--high/viewer/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };

rows/09-cursor-cli--grok-4-5--high/viewer/viewer.css

@@ -138,3 +138,5 @@ footer.notes p{margin:4px 0}
 .answer-reason p{margin:2px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
 .answer-reason-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;opacity:.75}
 .chip--plain{color:var(--ink)}
+.fold{display:block;width:100%;text-align:left;border:0;border-top:1px dashed var(--line-soft);background:transparent;color:var(--muted);font-size:12.5px;padding:7px 14px;cursor:pointer}
+.fold:hover{background:var(--inset);color:var(--ink)}

rows/09-cursor-cli--grok-4-5--high/viewer/viewer.js

@@ -59,7 +59,7 @@
   const scoredTrials = trials.filter(E.counted);
   const state = { trial: null, ref: null, span: null, finding: null, offset: 0,
     filter: scoredTrials.some(E.needsAttention) ? "attention" : "all", tab: "findings", allSteps: false,
-    priority: "", check: "" };
+    priority: "", check: "", unfolded: new Set() };
 
   // Review mode: a blind human-review export. Verdicts are kept in this browser's local
   // storage (keyed by the export ID) and leave only as a file the reviewer downloads.
@@ -86,6 +86,11 @@
     const step = trial.steps.find(s => s.fields.length);
     return step ? refOf({ step: step.step, ...step.fields[0] }) : null;
   }
+  function locatedFields(trial) {
+    const keys = new Set();
+    for (const f of trial.findings) for (const l of f.locations) keys.add(`${l.step}:${l.part}:${l.index ?? 0}:${l.field ?? 0}`);
+    return keys;
+  }
   function flaggedSteps(trial) {
     const flagged = new Set();
     for (const f of trial.findings) for (const loc of f.locations) flagged.add(loc.step);
@@ -336,7 +341,19 @@
       const head = button("", () => jump(firstRef({ steps: [s] }), null, null), "step-head");
       head.append(node("strong", "STEP " + s.step), node("span", s.role));
       card.append(head, node("p", E.stepSummary(s), "step-title"));
-      s.fields.forEach(f => card.append(fieldButton(s, f, E.sameField(state.ref, { step: s.step, ...f }))));
+      const located = locatedFields(trial);
+      const keep = f => E.sameField(state.ref, { step: s.step, ...f }) || located.has(`${s.step}:${f.part}:${f.index}:${f.field}`);
+      for (const item of E.groupFields(s, keep)) {
+        if (item.field) { card.append(fieldButton(s, item.field, E.sameField(state.ref, { step: s.step, ...item.field }))); continue; }
+        if (state.unfolded.has(item.key)) {
+          item.folded.forEach(f => card.append(fieldButton(s, f, false)));
+          card.append(button(`Fold ${item.folded.length} argument values`, () => { state.unfolded.delete(item.key); renderTimeline(); }, "fold"));
+        } else {
+          const chars = item.folded.reduce((n, f) => n + E.length(f), 0);
+          card.append(button(`call ${item.call} · ${item.folded.length} more argument values · ${chars.toLocaleString("en")} chars`,
+            () => { state.unfolded.add(item.key); renderTimeline(); }, "fold"));
+        }
+      }
       if (flagged.has(s.step)) { const flags = node("div", undefined, "badges step-flags"); flags.append(badge("finding")); card.append(flags); }
       return card;
     }));

rows/10-claude-code--opus-4-8--high/trajectories/evidence.js

@@ -473,7 +473,27 @@
     if (row.thin) facts.push("a universal answer after reading under half: a guess about the rest");
     return facts;
   }
-  const api = { judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
+  // A call's minor argument fields (each string leaf of its arguments, e.g. a parsed shell
+  // command's words) fold behind one row when there are many, so the step reads as its calls.
+  // `keep(field)` names fields that must stay visible (the selected one, finding locations).
+  const FOLD_MIN = 3;
+  function groupFields(step, keep = () => false) {
+    const out = [], byCall = new Map();
+    for (const f of step.fields) {
+      if (f.part !== "call") { out.push({ field: f }); continue; }
+      if (!byCall.has(f.index)) { byCall.set(f.index, []); out.push({ call: f.index }); }
+      byCall.get(f.index).push(f);
+    }
+    return out.flatMap(item => {
+      if (!("call" in item)) return [item];
+      const fields = byCall.get(item.call);
+      const minor = fields.filter(f => f.channel === "arguments" && !keep(f));
+      if (minor.length < FOLD_MIN) return fields.map(f => ({ field: f }));
+      const shown = fields.filter(f => !minor.includes(f)).map(f => ({ field: f }));
+      return [...shown, { folded: minor, call: item.call, key: `${step.step}:${item.call}` }];
+    });
+  }
+  const api = { groupFields, FOLD_MIN, judgeConcerns, answerTone, answerFacts, MAX_NOTE, reviewKey, validVerdict, isPositive, mechanismFor, reviewProgress, reviewExport, PAGE_SIZE, MAX_HITS, PRIORITY, sameField, locate, page, highlighted, focusOffset, clip,
     context, literalMatches, search, ordered, isLead, hasGap, topPriority, rewardLabel,
     needsAttention, stepSummary, family, checkIndex, matchesFilters, byPriority, coverageLines, focusNote, charLabel, length, unreadText,
     compact, usd, duration, costHeadline, harnessLine, trialFacts, calcLines, runRecordsNote, unknownLead, errorClass, outcome, CLASS_LABEL, counted, lineageNote };