Add per-subreddit R4R conversation modes

tests/conversation-state.test.ts

@@ -5,6 +5,7 @@ import {
   formatConversationAsUntrustedData,
   mergeConversationState,
   isSafeConversationReply,
+  isSafeR4RReply,
   parseConversationState,
   remainingAutomationTurns,
   type ConversationMessage,
@@ -71,6 +72,7 @@ describe('conversation state', () => {
     }));
 
     expect(state?.automation).toMatchObject({ turnsUsed: 0, status: 'active' });
+    expect(state?.automation).toMatchObject({ policyMode: 'legacy', policyVersion: 1, maxAutomatedTurns: 3 });
   });
 
   it('treats conversation content as untrusted data rather than instructions', () => {
@@ -99,4 +101,9 @@ describe('conversation state', () => {
     expect(isSafeConversationReply('One. Two. Three. Four.')).toBe(false);
     expect(isSafeConversationReply('That sounds fun, what did you have in mind?')).toBe(true);
   });
+
+  it('rejects media solicitation from autonomous r4r replies', () => {
+    expect(isSafeR4RReply('Would you send me a nude?')).toBe(false);
+    expect(isSafeR4RReply('I love live music too. What was your last gig?')).toBe(true);
+  });
 });