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Fix timezone handling and message filtering

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- Add TIMEZONE config using system timezone for cron expressions
- Filter bot messages by content prefix instead of is_from_me
  (user shares WhatsApp account with bot)
- Format messages as XML for cleaner agent parsing
- Update schedule_task tool to clarify local time usage

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Gavriel
2026-02-01 22:54:44 +02:00
parent 066eeb9646
commit 5760b75fa9
5 changed files with 31 additions and 21 deletions
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22
src/index.ts
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@@ -16,7 +16,8 @@ import {
DATA_DIR,
TRIGGER_PATTERN,
MAIN_GROUP_FOLDER,
IPC_POLL_INTERVAL
IPC_POLL_INTERVAL,
TIMEZONE
} from './config.js';
import { RegisteredGroup, Session, NewMessage } from './types.js';
import { initDatabase, storeMessage, storeChatMetadata, getNewMessages, getMessagesSince, getAllTasks, getTaskById, updateChatName, getAllChats, getLastGroupSync, setLastGroupSync } from './db.js';
@@ -128,15 +129,18 @@ async function processMessage(msg: NewMessage): Promise<void> {
// Get all messages since last agent interaction so the session has full context
const sinceTimestamp = lastAgentTimestamp[msg.chat_jid] || '';
const missedMessages = getMessagesSince(msg.chat_jid, sinceTimestamp);
const missedMessages = getMessagesSince(msg.chat_jid, sinceTimestamp, ASSISTANT_NAME);
const lines = missedMessages.map(m => {
const d = new Date(m.timestamp);
const date = d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
const time = d.toLocaleTimeString('en-US', { hour: '2-digit', minute: '2-digit' });
return `[${date} ${time}] ${m.sender_name}: ${m.content}`;
// Escape XML special characters in content
const escapeXml = (s: string) => s
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;');
return `<message sender="${escapeXml(m.sender_name)}" time="${m.timestamp}">${escapeXml(m.content)}</message>`;
});
const prompt = lines.join('\n');
const prompt = `<messages>\n${lines.join('\n')}\n</messages>`;
if (!prompt) return;
@@ -335,7 +339,7 @@ async function processTaskIpc(
let nextRun: string | null = null;
if (scheduleType === 'cron') {
try {
const interval = CronExpressionParser.parse(data.schedule_value);
const interval = CronExpressionParser.parse(data.schedule_value, { tz: TIMEZONE });
nextRun = interval.next().toISOString();
} catch {
logger.warn({ scheduleValue: data.schedule_value }, 'Invalid cron expression');
@@ -512,7 +516,7 @@ async function startMessageLoop(): Promise<void> {
while (true) {
try {
const jids = Object.keys(registeredGroups);
const { messages } = getNewMessages(jids, lastTimestamp);
const { messages } = getNewMessages(jids, lastTimestamp, ASSISTANT_NAME);
if (messages.length > 0) logger.info({ count: messages.length }, 'New messages');
for (const msg of messages) {