fix: make join review read only

harness/.pi/extensions/gate/__tests__/builders.test.js

@@ -16,6 +16,7 @@ const {
   buildInfoRequest,
   buildFreetextRequest,
   buildSchemaLinkingRequest,
+  buildJoinReviewRequest,
   withChildLinkage,
 } = require("../builders.js");
 
@@ -130,6 +131,34 @@ test("buildSchemaLinkingRequest carries tables + reserved", () => {
   assert.deepEqual(out.reserved, ["back", "exit", "other"]);
 });
 
+test("buildJoinReviewRequest exposes joins as read-only review items", () => {
+  const out = buildJoinReviewRequest({
+    id: "u8",
+    phase: "F4",
+    title: "F4 — Proposed joins",
+    options: [
+      {
+        id: "patient-events",
+        label: "Patient to events",
+        detail: "JOIN dim_patient p ON p.cod_paz = e.cod_paz",
+        rationale: "Standard patient key",
+      },
+    ],
+  });
+
+  assert.equal(out.widget, "join-review");
+  assert.equal(out.confirm_label, "Continue");
+  assert.deepEqual(out.options, [
+    {
+      id: "patient-events",
+      label: "Patient to events",
+      detail: "JOIN dim_patient p ON p.cod_paz = e.cod_paz",
+      rationale: "Standard patient key",
+    },
+  ]);
+  assert.deepEqual(out.reserved, ["back", "exit", "other"]);
+});
+
 test("withChildLinkage sets option.opens and returns the option", () => {
   const child = { widget: "freetext", title: "Motivazione del rifiuto" };
   const option = withChildLinkage({ id: "reject", label: "Rifiuta" }, child);