fix(rectification): downgrade yearless personality probes to tie-breakers (BUG-629)

Ask dated dasha probes first; D9/D10 and nakshatra wait until that pool is empty, score at half weight, and never eliminate. Skill 10.0.21.

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

frontend/src/lib/rectification-agentic/core/apply-probe-outcome.ts

@@ -5,6 +5,7 @@ import {
   type TransitionSignLookup,
 } from "./sign-from-transitions.ts";
 import {
+  PROBE_WEIGHT,
   SCORE_DELTA,
   STRONG_CONFLICT_ELIMINATION_COUNT,
   type AnswerClass,
@@ -16,11 +17,17 @@ import {
 export type ProbeApplyResult = Readonly<{
   scores: Readonly<Record<string, number>>;
   eliminated_ids: readonly string[];
-  kind: "informative" | "low_information";
+  kind: "informative" | "low_information" | "tie_break";
   deltas: Readonly<Record<string, number>>;
   strong_conflict_counts: Readonly<Record<string, number>>;
 }>;
 
+export function isYearlessPersonalityProbe(
+  probe: Pick<ConflictProbe, "choice_kind" | "source">,
+): boolean {
+  return probe.choice_kind === "varga_style" || probe.source === "nakshatra_boundary";
+}
+
 export type ProbeDirectionContext = Readonly<{
   probe?: ConflictProbe;
   transitions?: readonly TransitionSignLookup[];
@@ -181,15 +188,19 @@ export function applyProbeOutcome(
     };
   }
   const context: ProbeDirectionContext = { probe, transitions: options.transitions };
+  const yearless = isYearlessPersonalityProbe(probe);
+  const weight = yearless ? PROBE_WEIGHT.yearless : PROBE_WEIGHT.dated;
   for (const [id, score] of Object.entries(scores)) {
     const direction = directionFor(id, outcome, probe.choice_kind, context);
-    if (direction === "conflict") conflictCounts[id] = (conflictCounts[id] ?? 0) + 1;
+    if (direction === "conflict" && !yearless) {
+      conflictCounts[id] = (conflictCounts[id] ?? 0) + 1;
+    }
     if (eliminated.has(id)) {
       next[id] = score;
       deltas[id] = 0;
       continue;
     }
-    const delta = SCORE_DELTA[direction];
+    const delta = SCORE_DELTA[direction] * weight;
     deltas[id] = delta;
     next[id] = score + delta;
   }
@@ -210,7 +221,7 @@ export function applyProbeOutcome(
   return {
     scores: next,
     eliminated_ids: [...eliminated],
-    kind: changed ? "informative" : "low_information",
+    kind: yearless ? "tie_break" : (changed ? "informative" : "low_information"),
     deltas,
     strong_conflict_counts: conflictCounts,
   };

frontend/src/lib/rectification-agentic/core/compose-receipt.ts

@@ -16,7 +16,7 @@ export type InferenceTransitionSnapshot = Readonly<{
   entropyBefore?: number | null;
   entropyAfter?: number | null;
   eliminatedCandidateIds?: readonly string[];
-  roundKind?: "informative" | "low_information" | null;
+  roundKind?: "informative" | "low_information" | "tie_break" | null;
 }>;
 
 const CLOCK = /^(?:[01]\d|2[0-3]):[0-5]\d$/;
@@ -34,7 +34,7 @@ const EVENT_USAGES = new Set(["training", "holdout", "unused"]);
 const ANSWER_CLASSES = new Set(["yes", "weak_yes", "no", "unsure"]);
 const PROBE_CHOICE_KINDS = new Set(["existence", "varga_style", "event_quality"]);
 const ANSWER_SOURCES = new Set(["choice", "evidence", "declined"]);
-const ROUND_KINDS = new Set(["informative", "low_information"]);
+const ROUND_KINDS = new Set(["informative", "low_information", "tie_break"]);
 const SCORE_DIRECTIONS = new Set(["support", "weak_support", "neutral", "weak_conflict", "conflict"]);
 
 function isRecord(value: unknown): value is Readonly<Record<string, unknown>> {

frontend/src/lib/rectification-agentic/core/types.ts

@@ -47,6 +47,12 @@ export const SCORE_DELTA: Readonly<Record<ScoreDirection, number>> = {
   conflict: -2,
 };
 
+/** Dated distinguish probes keep full SCORE_DELTA. Yearless personality is tie-break only. */
+export const PROBE_WEIGHT = {
+  dated: 1,
+  yearless: 0.5,
+} as const;
+
 export type InferenceCandidate = Readonly<{
   id: string;
   time: string;
@@ -116,7 +122,7 @@ export type RoundTrace = Readonly<{
   entropy_after: number;
   eliminated_ids: readonly string[];
   winner_id: string | null;
-  kind: "informative" | "low_information";
+  kind: "informative" | "low_information" | "tie_break";
 }>;
 
 export type InferenceState = Readonly<{