Harden conversation replies and prioritize newest candidates

tests/conversation-state.test.ts

@@ -50,6 +50,28 @@ describe('conversation state', () => {
     });
   });
 
+  it.each([
+    'Zero interest in sending you anything lol',
+    "I'm good",
+    'Rather not, thanks',
+  ])('treats a contextual media refusal as a boundary: %s', (refusal) => {
+    const state = buildConversationState([
+      message('Would you be comfortable sharing a selfie?', true),
+      message(refusal),
+    ]);
+
+    expect(state.boundaries).toContain('does not want to send photos or videos');
+  });
+
+  it('does not treat a conversational wellbeing answer as a media refusal', () => {
+    const state = buildConversationState([
+      message('How are you?', true),
+      message("I'm good"),
+    ]);
+
+    expect(state.boundaries).toEqual([]);
+  });
+
   it('allows three progressive image-sharing turns before human handoff', () => {
     const state = buildConversationState([message('Hello', true), message('Hey')]);
     expect(remainingAutomationTurns(state)).toBe(3);
@@ -75,7 +97,7 @@ describe('conversation state', () => {
     expect(state?.automation).toMatchObject({ turnsUsed: 0, status: 'active' });
     expect(state?.sellerDetected).toBe(false);
     expect(state?.automation).toMatchObject({
-      policyMode: 'legacy', policyVersion: 2, maxAutomatedTurns: 3,
+      policyMode: 'legacy', policyVersion: 3, maxAutomatedTurns: 3,
       rapportTurnsBeforeMediaAsk: 3, hybridPhase: null,
     });
   });