Add hybrid R4R media conversation mode

src/services/conversation-state.ts

@@ -34,8 +34,10 @@ export interface ConversationState {
 }
 
 export const LEGACY_AUTOMATED_CONVERSATION_TURNS = 3;
-export const CONVERSATION_POLICY_VERSION = 1;
-export type ConversationPolicyMode = 'legacy' | 'r4r' | 'manual';
+export const DEFAULT_HYBRID_RAPPORT_TURNS = 3;
+export const CONVERSATION_POLICY_VERSION = 2;
+export type ConversationPolicyMode = 'legacy' | 'r4r' | 'r4r-media' | 'manual';
+export type HybridConversationPhase = 'rapport' | 'media-ask' | 'post-media-ask';
 
 export type ConversationAutomationStatus =
   | 'active'
@@ -48,6 +50,8 @@ export interface ConversationAutomationState {
   policyMode: ConversationPolicyMode;
   policyVersion: number;
   maxAutomatedTurns: number;
+  rapportTurnsBeforeMediaAsk: number;
+  hybridPhase: HybridConversationPhase | null;
   turnsUsed: number;
   status: ConversationAutomationStatus;
   lastIncomingKey: string | null;
@@ -59,11 +63,14 @@ export interface ConversationAutomationState {
 export function createConversationAutomationState(
   policyMode: ConversationPolicyMode = 'legacy',
   maxAutomatedTurns = LEGACY_AUTOMATED_CONVERSATION_TURNS,
+  rapportTurnsBeforeMediaAsk = DEFAULT_HYBRID_RAPPORT_TURNS,
 ): ConversationAutomationState {
   return {
     policyMode,
     policyVersion: CONVERSATION_POLICY_VERSION,
     maxAutomatedTurns,
+    rapportTurnsBeforeMediaAsk,
+    hybridPhase: policyMode === 'r4r-media' ? 'rapport' : null,
     turnsUsed: 0,
     status: 'active',
     lastIncomingKey: null,
@@ -205,6 +212,14 @@ export function isSafeR4RReply(message: string): boolean {
     && !/\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);
 }
 
+/** The hybrid policy gets one optional, non-explicit image request after rapport. */
+export function isSafeHybridMediaAsk(message: string): boolean {
+  if (!isSafeConversationReply(message)) return false;
+  if (!/\b(pic|pics|photo|photos|selfie|selfies|video|videos)\b/i.test(message)) return false;
+  if (/\b(nude|nudes|naked|explicit|nsfw|sexy pic|sexual)\b/i.test(message)) return false;
+  return !/\b(must|prove|dare|owe|have to|need to)\b/i.test(message);
+}
+
 export function serializeConversationState(state: ConversationState): string {
   return JSON.stringify(state);
 }
@@ -238,7 +253,9 @@ 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'
+  const policyMode: ConversationPolicyMode = parsed.policyMode === 'r4r'
+    || parsed.policyMode === 'r4r-media'
+    || parsed.policyMode === 'manual'
     ? parsed.policyMode
     : 'legacy';
   const maxAutomatedTurns = typeof parsed.maxAutomatedTurns === 'number'
@@ -248,12 +265,22 @@ function parseAutomationState(value: unknown): ConversationAutomationState {
     parsed.status === 'image-received' || parsed.status === 'human-required' || parsed.status === 'boundary' || parsed.status === 'user-overridden'
       ? parsed.status
       : 'active';
+  const rapportTurnsBeforeMediaAsk = typeof parsed.rapportTurnsBeforeMediaAsk === 'number'
+    ? Math.max(1, Math.min(19, Math.trunc(parsed.rapportTurnsBeforeMediaAsk)))
+    : DEFAULT_HYBRID_RAPPORT_TURNS;
+  const hybridPhase: HybridConversationPhase | null = policyMode !== 'r4r-media'
+    ? null
+    : parsed.hybridPhase === 'media-ask' || parsed.hybridPhase === 'post-media-ask'
+      ? parsed.hybridPhase
+      : 'rapport';
   return {
     policyMode,
     policyVersion: typeof parsed.policyVersion === 'number' && parsed.policyVersion > 0
       ? Math.trunc(parsed.policyVersion)
       : CONVERSATION_POLICY_VERSION,
     maxAutomatedTurns,
+    rapportTurnsBeforeMediaAsk,
+    hybridPhase,
     turnsUsed: typeof parsed.turnsUsed === 'number'
       ? Math.max(0, Math.min(maxAutomatedTurns, Math.trunc(parsed.turnsUsed)))
       : 0,