fix(rectification): ask from the scored probe catalog, not snapshot leftovers

Empty snapshot candidates were starving remaining D24 splits, so the
TypeScript follow-up chain asked the low-gain Python career probe.
Read paths now share one inference+engine catalog and yield a stale
low-gain distinguish card to the current winner.

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

frontend/src/lib/rectification-agentic/core/candidate-contrast-packet.ts

@@ -80,8 +80,11 @@ export type EngineContrastProbe = Readonly<{
   information_gain?: number;
   expected_outcomes?: readonly Readonly<{
     answer_class?: string;
+    outcomeId?: string;
     supports?: readonly string[];
+    supportsCandidateIds?: readonly string[];
     conflicts?: readonly string[];
+    conflictsCandidateIds?: readonly string[];
   }>[];
   left_time?: string;
   right_time?: string;
@@ -312,11 +315,12 @@ export function buildCandidateContrastPacket(input: {
     candidateTimes: input.candidateTimes ?? [],
     transitions: input.transitions ?? [],
   });
+  const presentKeys = new Set(fromEngine.map((item) => item.semanticKey));
   const fromVarga = vargaProbe(
     remainingSplits,
     input.candidateSetVersion,
     input.calculationResultId ?? null,
-    asked,
+    new Set([...asked, ...presentKeys]),
   );
   const probes = [...fromEngine, ...(fromVarga ? [fromVarga] : [])]
     .sort((left, right) => right.informationGain - left.informationGain);
@@ -515,15 +519,30 @@ export function conflictProbesFromContrast(
   });
 }
 
+function inferredContrastChoiceKind(
+  semanticKey: string,
+  explicit?: ContrastChoiceKind,
+): ContrastChoiceKind {
+  if (explicit === "varga_style" || explicit === "event_quality" || explicit === "existence") {
+    return explicit;
+  }
+  const layer = semanticKey.match(/^varga\.(d\d+)/)?.[1];
+  if (layer === "d9" || layer === "d10") return "varga_style";
+  if (layer === "d24" || layer === "d5") return "event_quality";
+  return "existence";
+}
+
 function probeFromEngine(
   probe: EngineContrastProbe,
   candidateSetVersion: string,
   calculationResultId: string | null,
 ): CandidateDiscriminatorProbe | null {
   const outcomes = (probe.expected_outcomes ?? []).flatMap((row) => {
-    const outcomeId = typeof row.answer_class === "string" ? row.answer_class : "";
-    const supports = row.supports ?? [];
-    const conflicts = row.conflicts ?? [];
+    const outcomeId = typeof row.answer_class === "string" && row.answer_class.trim()
+      ? row.answer_class
+      : typeof row.outcomeId === "string" ? row.outcomeId : "";
+    const supports = row.supports ?? row.supportsCandidateIds ?? [];
+    const conflicts = row.conflicts ?? row.conflictsCandidateIds ?? [];
     if (!outcomeId) return [];
     return [{ outcomeId, supportsCandidateIds: supports, conflictsCandidateIds: conflicts }];
   });
@@ -553,7 +572,7 @@ function probeFromEngine(
     domain: probe.domain ?? null,
     year: probe.year ?? null,
     semanticKey,
-    choiceKind: probe.choice_kind,
+    choiceKind: inferredContrastChoiceKind(semanticKey, probe.choice_kind),
     styleOptions: styleOptionsFromEngine(probe.style_options),
   };
 }