Add per-subreddit R4R conversation modes

src/services/conversation-state.ts

@@ -33,7 +33,9 @@ export interface ConversationState {
   automation: ConversationAutomationState;
 }
 
-export const MAX_AUTOMATED_CONVERSATION_TURNS = 3;
+export const LEGACY_AUTOMATED_CONVERSATION_TURNS = 3;
+export const CONVERSATION_POLICY_VERSION = 1;
+export type ConversationPolicyMode = 'legacy' | 'r4r' | 'manual';
 
 export type ConversationAutomationStatus =
   | 'active'
@@ -43,6 +45,9 @@ export type ConversationAutomationStatus =
   | 'user-overridden';
 
 export interface ConversationAutomationState {
+  policyMode: ConversationPolicyMode;
+  policyVersion: number;
+  maxAutomatedTurns: number;
   turnsUsed: number;
   status: ConversationAutomationStatus;
   lastIncomingKey: string | null;
@@ -51,8 +56,14 @@ export interface ConversationAutomationState {
   aiMessageFingerprints: string[];
 }
 
-export function createConversationAutomationState(): ConversationAutomationState {
+export function createConversationAutomationState(
+  policyMode: ConversationPolicyMode = 'legacy',
+  maxAutomatedTurns = LEGACY_AUTOMATED_CONVERSATION_TURNS,
+): ConversationAutomationState {
   return {
+    policyMode,
+    policyVersion: CONVERSATION_POLICY_VERSION,
+    maxAutomatedTurns,
     turnsUsed: 0,
     status: 'active',
     lastIncomingKey: null,
@@ -67,7 +78,7 @@ export function conversationMessageFingerprint(message: string): string {
 
 export function remainingAutomationTurns(state: ConversationState): number {
   if (state.automation.status !== 'active') return 0;
-  return Math.max(0, MAX_AUTOMATED_CONVERSATION_TURNS - state.automation.turnsUsed);
+  return Math.max(0, state.automation.maxAutomatedTurns - state.automation.turnsUsed);
 }
 
 const EMPTY_PERSONA: ConversationPersona = {
@@ -126,7 +137,7 @@ export function chooseConversationIntent(
     }
     return {
       kind: 'media-ask',
-      reason: `image-sharing turn ${state.automation.turnsUsed + 1} of ${MAX_AUTOMATED_CONVERSATION_TURNS}`,
+      reason: `image-sharing turn ${state.automation.turnsUsed + 1} of ${state.automation.maxAutomatedTurns}`,
     };
   }
 
@@ -187,6 +198,13 @@ export function isSafeConversationReply(message: string): boolean {
   return sentences.length <= 3;
 }
 
+/** R4R automation may converse and flirt, but it must never solicit sexual media. */
+export function isSafeR4RReply(message: string): boolean {
+  if (!isSafeConversationReply(message)) return false;
+  return !/\b(send|show|share|swap|trade|drop|give|dm)\b[^.!?\n]{0,60}\b(pic|pics|photo|photos|selfie|selfies|video|videos|nude|nudes|content)\b/i.test(message)
+    && !/\b(can|could|would|will) you\b[^.!?\n]{0,60}\b(pic|pics|photo|photos|selfie|selfies|video|videos|nude|nudes)\b/i.test(message);
+}
+
 export function serializeConversationState(state: ConversationState): string {
   return JSON.stringify(state);
 }
@@ -220,13 +238,24 @@ export function parseConversationState(value: string | null | undefined): Conver
 function parseAutomationState(value: unknown): ConversationAutomationState {
   if (!value || typeof value !== 'object') return createConversationAutomationState();
   const parsed = value as Partial<ConversationAutomationState>;
+  const policyMode: ConversationPolicyMode = parsed.policyMode === 'r4r' || parsed.policyMode === 'manual'
+    ? parsed.policyMode
+    : 'legacy';
+  const maxAutomatedTurns = typeof parsed.maxAutomatedTurns === 'number'
+    ? Math.max(1, Math.min(20, Math.trunc(parsed.maxAutomatedTurns)))
+    : LEGACY_AUTOMATED_CONVERSATION_TURNS;
   const status: ConversationAutomationStatus =
     parsed.status === 'image-received' || parsed.status === 'human-required' || parsed.status === 'boundary' || parsed.status === 'user-overridden'
       ? parsed.status
       : 'active';
   return {
+    policyMode,
+    policyVersion: typeof parsed.policyVersion === 'number' && parsed.policyVersion > 0
+      ? Math.trunc(parsed.policyVersion)
+      : CONVERSATION_POLICY_VERSION,
+    maxAutomatedTurns,
     turnsUsed: typeof parsed.turnsUsed === 'number'
-      ? Math.max(0, Math.min(MAX_AUTOMATED_CONVERSATION_TURNS, Math.trunc(parsed.turnsUsed)))
+      ? Math.max(0, Math.min(maxAutomatedTurns, Math.trunc(parsed.turnsUsed)))
       : 0,
     status,
     lastIncomingKey: typeof parsed.lastIncomingKey === 'string' ? parsed.lastIncomingKey : null,