refactor(workflow): contract shared core (#33)

harness/.pi/extensions/gate/memory/index.js

@@ -1,8 +1,5 @@
 import { Type } from "typebox";
 
-import { buildMultiselectRequest } from "../builders.js";
-import { isReserved } from "../../reserved-labels.mjs";
-
 // Compatibility note: reviewer labels move verbatim from the composition root.
 // Tickets #22 and #23 require observable parity; translating existing chrome is a
 // separate product behavior change rather than part of these extractions.
@@ -80,14 +77,14 @@ function shouldSkipEmptyRecall({ meritCount, allowEmpty, advance }) {
 
 
 async function reviewRecall(ctx, params, phase, dependencies) {
-	const { workflow, ledger, waitForReviewer, toTextResult } = dependencies;
+	const { workflow, ledger, reviewer, waitForReviewer, toTextResult } = dependencies;
 	try {
 		const { session, advance } = params;
 		const options = normalizeMemoryOptions(params.options);
 		const typeError = ledger.validate(ctx, options, session);
 		if (typeError) return toTextResult(typeError);
 		const meritOptions = options
-			.filter((option) => !isReserved(option.label))
+			.filter((option) => !reviewer.isReserved(option.label))
 			.map((option) => ({
 				id: option.id,
 				label: option.label,
@@ -110,7 +107,7 @@ async function reviewRecall(ctx, params, phase, dependencies) {
 					"avanzamento automatico alla fase successiva.",
 			);
 		}
-		const widget = buildMultiselectRequest({
+		const widget = reviewer.buildMultiselect({
 			id: `u${Date.now()}`,
 			phase,
 			allowEmpty: params.allow_empty ?? false,
@@ -225,7 +222,7 @@ function splitPromotionChoices(candidates, choices) {
  */
 function installMemoryGate(
 	pi,
-	{ workflow, memory, ledger, waitForReviewer, toTextResult },
+	{ workflow, memory, ledger, reviewer, waitForReviewer, toTextResult },
 ) {
 	pi.registerTool({
 		name: "reviewer_memory_promote",
@@ -285,7 +282,7 @@ function installMemoryGate(
 					);
 				}
 				const options = promotionOptions(candidates);
-				const widget = buildMultiselectRequest({
+				const widget = reviewer.buildMultiselect({
 					id: `u${Date.now()}`,
 					phase: phase.id,
 					title: "Quali concetti chiariti salvare nella memoria riutilizzabile?",