feat: replace browser login with imported Reddit sessions

src/web/routes/conversations.ts

@@ -1,6 +1,11 @@
 import { Router } from 'express';
 import type { ActiveChat } from '../../services/chat.js';
 import type { WebContext } from '../context.js';
+import {
+  buildConversationState,
+  chooseConversationIntent,
+  mergeConversationState,
+} from '../../services/conversation-state.js';
 
 export function createConversationsRouter(ctx: WebContext): Router {
   const router = Router();
@@ -13,6 +18,18 @@ export function createConversationsRouter(ctx: WebContext): Router {
     );
   }
 
+  function getConversationIntelligence(conversation: ActiveChat, requestedIntent?: 'media-ask') {
+    const messages = (conversation.messages ?? []).map((message) => ({
+      sender: message.sender,
+      text: message.text,
+      isSelf: message.isSelf,
+    }));
+    const saved = conversation.roomId ? ctx.services.conversationState?.get(conversation.roomId) : undefined;
+    const state = mergeConversationState(saved, buildConversationState(messages));
+    if (conversation.roomId) ctx.services.conversationState?.save(conversation.roomId, state);
+    return { messages, state, intent: chooseConversationIntent(messages, state, requestedIntent) };
+  }
+
   router.get('/conversations', async (_req, res) => {
     if (!ctx.services.chat) {
       res.json([]);
@@ -138,11 +155,14 @@ export function createConversationsRouter(ctx: WebContext): Router {
         return;
       }
 
+      const intelligence = getConversationIntelligence(conversation);
       const suggestedReply = await ctx.services.ai.generateReply(
-        conversation.messages.map((m) => ({ sender: m.sender, text: m.text, isSelf: m.isSelf })),
+        intelligence.messages,
         conversation.username,
+        intelligence.state,
+        intelligence.intent,
       );
-      res.json({ suggestedReply });
+      res.json({ suggestedReply, intent: intelligence.intent, conversationState: intelligence.state });
     } catch (error) {
       ctx.logger.error('Failed to generate suggested reply:', error);
       res.status(500).json({ error: String(error) });
@@ -173,11 +193,18 @@ export function createConversationsRouter(ctx: WebContext): Router {
         return;
       }
 
+      const intelligence = getConversationIntelligence(conversation, 'media-ask');
+      if (intelligence.intent.kind !== 'media-ask') {
+        res.status(409).json({ error: intelligence.intent.reason, intent: intelligence.intent, conversationState: intelligence.state });
+        return;
+      }
       const suggestedReply = await ctx.services.ai.generateMediaAsk(
-        conversation.messages.map((m) => ({ sender: m.sender, text: m.text, isSelf: m.isSelf })),
+        intelligence.messages,
         conversation.username,
+        intelligence.state,
+        intelligence.intent,
       );
-      res.json({ suggestedReply });
+      res.json({ suggestedReply, intent: intelligence.intent, conversationState: intelligence.state });
     } catch (error) {
       ctx.logger.error('Failed to generate media-ask message:', error);
       res.status(500).json({ error: String(error) });
@@ -208,6 +235,19 @@ export function createConversationsRouter(ctx: WebContext): Router {
 
       const success = await ctx.services.chat.sendChatMessage(conversation.url, message.trim());
       if (success) {
+        if (conversation.roomId) {
+          const currentMessages = (conversation.messages ?? []).map((item) => ({
+            sender: item.sender,
+            text: item.text,
+            isSelf: item.isSelf,
+          }));
+          const saved = ctx.services.conversationState?.get(conversation.roomId);
+          const updatedState = mergeConversationState(
+            saved,
+            buildConversationState([...currentMessages, { sender: 'Me', text: message.trim(), isSelf: true }]),
+          );
+          ctx.services.conversationState?.save(conversation.roomId, updatedState);
+        }
         ctx.activity.push('sent', `Sent chat reply to u/${conversation.username}`, conversation.username);
         ctx.broadcaster.push('info', `Chat reply sent to u/${conversation.username}`);
         res.json({ success: true });
@@ -249,6 +289,12 @@ export function createConversationsRouter(ctx: WebContext): Router {
         return;
       }
       ctx.activity.push('sent', `Started chat with u/${chat.username}`, chat.username);
+      if (chat.roomId) {
+        ctx.services.conversationState?.save(
+          chat.roomId,
+          buildConversationState(chat.messages ?? [{ sender: 'Me', text: message.trim(), isSelf: true }]),
+        );
+      }
       ctx.broadcaster.push('info', `Started new chat with u/${chat.username}`);
       res.json({ success: true, chat });
     } catch (error) {