feat: replace browser login with imported Reddit sessions

tests/repositories.test.ts

@@ -1,11 +1,13 @@
 import { describe, it, expect, beforeEach } from 'vitest';
 import type { Database } from 'better-sqlite3';
-import { createTestRepositories } from '../tests/testUtils.js';
+import { createTestDb, createTestRepositories } from '../tests/testUtils.js';
 import {
   PostsRepository,
   MessagesRepository,
   SuccessfulMessagesRepository,
+  ConversationStateRepository,
 } from '../src/database/repositories.js';
+import { buildConversationState } from '../src/services/conversation-state.js';
 
 describe('PostsRepository', () => {
   let postsRepo: PostsRepository;
@@ -171,6 +173,14 @@ describe('MessagesRepository', () => {
     db = repos.db;
   });
 
+  it('returns only sent timestamps within a rolling window', () => {
+    postsRepo.insert({ id: 'window-post', subreddit: 'test', author: 'window-user', title: 'window', imageUrl: null, processedAt: 1 });
+    messagesRepo.insert({ postId: 'window-post', recipient: 'window-user', subject: 's', message: 'm', sentAt: 100 });
+    messagesRepo.insert({ postId: 'window-post', recipient: 'window-user', subject: 's', message: 'm', sentAt: 200 });
+
+    expect(messagesRepo.getSentTimestampsSince(150)).toEqual([200]);
+  });
+
   it('insertChat stores a chat-originated send and getByChatRoomId returns it', () => {
     const id = messagesRepo.insertChat({
       recipient: 'alice',
@@ -522,6 +532,24 @@ describe('SuccessfulMessagesRepository', () => {
   });
 });
 
+describe('ConversationStateRepository', () => {
+  it('persists state by room id and replaces it on later saves', () => {
+    const db = createTestDb();
+    const repo = new ConversationStateRepository(db);
+    const original = buildConversationState([{ sender: 'Me', text: '32M UK, married.', isSelf: true }]);
+    repo.save('!room:reddit.com', original);
+
+    expect(repo.get('!room:reddit.com')).toMatchObject({
+      persona: { age: 32, location: 'UK', relationshipStatus: 'married' },
+    });
+
+    const updated = buildConversationState([{ sender: 'Me', text: '34M UK.', isSelf: true }]);
+    repo.save('!room:reddit.com', updated);
+    expect(repo.get('!room:reddit.com')?.persona.age).toBe(34);
+    expect(repo.get('missing')).toBeUndefined();
+  });
+});
+
 describe('Repository edge cases', () => {
   it('handles special characters in post titles', () => {
     const repos = createTestRepositories();