Fix: give MatrixClient a real store so client.getRoom() works

The default StubStore.getRoom() always returns null, so every received
message bailed at the room lookup ('got m.room.message for unknown room').
A MemoryStore keeps joined rooms available for lookup.

index.js

@@ -1,5 +1,6 @@
 import * as dotenv from 'dotenv';
 import { MatrixClient } from 'matrix-js-sdk';
+import { MemoryStore } from 'matrix-js-sdk/lib/store/memory.js';
 import fs from 'fs';
 
 dotenv.config();
@@ -9,6 +10,7 @@ console.log('🚀 Starting Ancestor Quote Bot...\n');
 const client = new MatrixClient({
     accessToken: process.env.MATRIX_ACCESS_TOKEN,
     baseUrl: process.env.MATRIX_HOME_SERVER,
+    store: new MemoryStore(),
 });
 
 function loadQuotes() {
@@ -67,6 +69,7 @@ function loadQuotes() {
         console.log('');
 
         const cmd = (process.env.BOT_COMMAND || '!quote').toLowerCase();
+        console.log(`🔊 Listening for command: "${cmd}"`);
 
         // Auto-accept invites so the bot can be invited into rooms.
         client.on('RoomMember.membership', (event, member) => {
@@ -82,11 +85,12 @@ function loadQuotes() {
         // Respond to messages in any room this bot is a member of.
         client.on('event', (event) => {
             const type = event.getType();
+            const eventRoomId = event.getRoomId();
 
             // Encrypted rooms: the bot has no E2EE support, so command text
             // never arrives as plaintext and cannot be read or answered.
             if (type === 'm.room.encrypted') {
-                console.log(`🔒 [${event.getRoomId()}] encrypted message received. ` +
+                console.log(`🔒 [${eventRoomId}] encrypted message received. ` +
                     `The bot cannot read E2EE rooms; invite it to an unencrypted room instead.`);
                 return;
             }
@@ -94,24 +98,35 @@ function loadQuotes() {
             if (type !== 'm.room.message') return;
 
             const sender = event.getSender();
-            if (sender === userId) return;
+            if (sender === userId) return; // skip replies from ourselves
 
-            const room = client.getRoom(event.getRoomId());
+            const room = eventRoomId ? client.getRoom(eventRoomId) : null;
-            if (!room) return;
+            if (!room) {
+                console.log(`ℹ️ [debug] got m.room.message for unknown room: ${eventRoomId}`);
+                return;
+            }
 
             const membership = room.getMyMembership();
-            if (membership !== 'join') return;
+            if (membership !== 'join') {
+                console.log(`ℹ️ [debug] [${room.roomId}] m.room.message while membership="${membership}" — not replying`);
+                return;
+            }
 
             const content = event.getContent();
-            if (!content || typeof content.body !== 'string') return;
+            if (!content || typeof content.body !== 'string') {
+                console.log(`ℹ️ [debug] [${room.roomId}] m.room.message without text body`);
+                return;
+            }
 
             const lower = content.body.toLowerCase().trim();
-            if (lower === cmd || lower.startsWith(cmd + ' ')) {
+            const matches = lower === cmd || lower.startsWith(cmd + ' ');
+            console.log(`💬 [${room.roomId}] <${sender}> "${content.body}" (listening for "${cmd}", match=${matches})`);
+            if (!matches) return;
+
             const quote = quotes[Math.floor(Math.random() * quotes.length)];
             client.sendTextMessage(room.roomId, quote)
                 .then(() => console.log(`🎃 [${room.roomId}] ${quote}`))
                 .catch((err) => console.error('Failed to send quote:', err.message));
-            }
         });
 
         console.log('🤖 Bot is running!');