feat(confidence-engine): promote focused learning on done

components/scenario-form.jsx

@@ -5,7 +5,7 @@ import { useState, useRef, useMemo } from "react";
 import DiagnosticsView from "@/components/diagnostics-view";
 import ReasoningWorkspace, { LoadingOverlay, ContinueLaterBanner } from "@/components/reasoning-workspace";
 import { mockFetch, AVAILABLE_SCENARIOS } from "@/lib/mocks/confidence-engine/mock-client";
-import { deriveFindingsFromContributions, normalizeFindings } from "@/lib/graph/finding-helpers";
+import { deriveFindingsFromContributions, normalizeFindings, produceFindingInformedSummary } from "@/lib/graph/finding-helpers";
 import { loadInvestigation, saveInvestigation, clearInvestigation } from "@/lib/storage/investigation-storage";
 
 /* Compile-time env resolution — NEXT_PUBLIC_ vars are injected by Next.js at build */
@@ -267,6 +267,43 @@ export default function ScenarioForm() {
     );
   }
 
+  /**
+   * v0.49 promotion seam — deterministic Current Understanding update
+   * triggered by "Done for now" activity boundary (no case/update, no LLM).
+   */
+  function handleDoneForNowPromotion(targetNodeId) {
+    if (!targetNodeId || !findings?.length) return;
+
+    // Filter eligible findings for this specific target only.
+    const eligible = findings.filter(
+      (f) => f.originatingTargetNodeId === targetNodeId && (f.userDisposition === null || f.userDisposition === "agree"),
+    );
+
+    if (eligible.length === 0) return;
+
+    // Determine the base: use currentUnderstanding if available, else empty string.
+    const baseSummary = currentUnderstanding ?? "";
+
+    // Deterministic producer — no LLM, no API.
+    const newSummary = produceFindingInformedSummary(baseSummary, eligible);
+
+    // Idempotence guard: skip if summary is unchanged (no new eligible findings
+    // beyond what's already in the current Evidence block).
+    if (newSummary === baseSummary) return;
+
+    // Avoid duplicate evidence propositions from repeated promotion.
+    const existingEvidenceMatch = baseSummary.match(/Evidence:\s*\[([^\]]+)\]/);
+    let isDuplicate = false;
+    if (existingEvidenceMatch) {
+      const existingTexts = existingEvidenceMatch[1].split("; ").map((t) => t.trim());
+      isDuplicate = eligible.every((f) => existingTexts.includes(f.proposition));
+    }
+    if (isDuplicate) return;
+
+    // Mutate the SAME summary/state that autosave already persists.
+    setCurrentUnderstanding(newSummary);
+  }
+
   function appendFocusedContribution(contribution) {
     // Derive a single stored contribution object and use it for BOTH
     // contribution storage AND Finding derivation so the same identity
@@ -649,6 +686,8 @@ export default function ScenarioForm() {
                 findings={findings}
                 onUpdateFindingDisposition={updateFindingDisposition}
                 onUpdateFindingProposition={updateFindingProposition}
+                /* ── v0.49 — done-for-now promotion seam ─────────── */
+                onSummaryUpdate={handleDoneForNowPromotion}
                 onRestart={() => {
                   clearInvestigation();
                   setStatus("idle");