fix(reasoning): preserve ready material question target

tests/graph/prompt-builder.test.js

@@ -108,9 +108,8 @@ describe("buildGraphUpdatePrompt", () => {
     expect(prompt).toContain(
       "selectedQuestion.question must be one narrow non-compound question",
     );
-    expect(prompt).toContain(
-      "engine retains deterministic final-priority selection",
-    );
+    expect(prompt).toContain("deterministic prerequisite ordering");
+    expect(prompt).toContain("formulation authority");
   });
 
   it("instructs the model to preserve user-supported meaning separately from inference", () => {
@@ -587,10 +586,10 @@ describe("buildGraphUpdatePrompt — 57J.59 selected-question contract alignment
     expect(getRule(prompt, 16)).toContain("does not need to be the highest-scoring unknown");
   });
 
-  // Test 4 — engine retains deterministic final-priority ownership
-  it("test 4: rule #16 states engine retains deterministic final-priority selection", () => {
+  // Test 4 — engine retains deterministic prerequisite-aware selection
+  it("test 4: rule #16 states engine retains deterministic prerequisite-aware selection", () => {
     const prompt = buildGraphUpdatePrompt(makeContext());
-    expect(getRule(prompt, 16)).toContain("engine validates your candidate and retains deterministic final-priority selection");
+    expect(getRule(prompt, 16)).toContain("engine validates your candidate and retains deterministic prerequisite ordering");
   });
 
   // Test 5 — null remains permitted when the triggering condition does not apply (rule #20)
@@ -863,3 +862,51 @@ describe("60B.4 decision materiality rule", () => {
     expect(sufficiencySection).toContain("should not remain open merely because some uncertainty still exists");
   });
 });
+
+// ============================================
+// 60B.11 — prompt prerequisite-aware targeting clarity
+// ============================================
+
+describe("60B.11 — prompt prerequisite-aware targeting", () => {
+  let prompt;
+  beforeAll(() => {
+    const testNode = makeNode({
+      id: "n-test-decision",
+      label: "Test Decision",
+      kind: "state",
+      status: "supported",
+    });
+    prompt = buildGraphUpdatePrompt({
+      situationGraph: {
+        nodes: [testNode],
+        edges: [],
+      },
+    });
+  });
+
+  it("clarifies material continuation factor → selectedQuestion.nodeId", () => {
+    expect(prompt).toContain("selectedQuestion.nodeId");
+  });
+
+  it("mentions prerequisite ordering for model selection guidance", () => {
+    expect(prompt).toContain("prerequisite ordering");
+  });
+
+  it("does NOT give the model unconditional final authority", () => {
+    expect(prompt).not.toContain("unconditional");
+    expect(prompt).not.toContain("final-priority");
+  });
+
+  it("states deterministic validation and formulation authority", () => {
+    expect(prompt).toContain("formulation authority");
+  });
+
+  it("mentions prefers model-selected node when no unresolved depends_on prerequisites", () => {
+    expect(prompt).toContain("depends_on");
+  });
+
+  it("does NOT duplicate the materiality scoring rule", () => {
+    // The prompt should clarify targeting but not redefine materiality
+    expect(prompt).not.toContain("materiality score");
+  });
+});