refactor: simplify architecture and remove unused dependencies

src/bot/commands/task.ts

@@ -1,8 +1,6 @@
 import { sendMessage } from '../utils/messaging.ts';
 import { createTask, assignTask, completeTask, getPendingTasks } from '../../services/taskService';
-import { setRemindersEnabled } from '../../services/userService';
+import { normalizePhone } from '../utils/phoneUtils';
-import { normalizeUserIdentifier, extractUserFromJid, formatUserMention } from '../../utils/userUtils';
-import { isUserInCommunity } from '../../utils/communityUtils';
 
 function formatTaskList(tasks: any[]) {
   if (tasks.length === 0) {
@@ -15,7 +13,7 @@ function formatTaskList(tasks: any[]) {
 }
 
 export async function handleTaskCommand(body: string, sender: string, groupId: string, linkedGroups: Set<string>) {
-  if (groupId && linkedGroups.has(groupId)) {
+  if (body.startsWith('/tarea')) {
     if (body.startsWith('/tarea')) {
       const command = body.replace('/tarea', '').trim();
       const [action, ...args] = command.split(' ');

src/services/taskService.ts

@@ -1,6 +1,6 @@
 import { query, execute } from '../database/db';
 import { normalizeUserIdentifier } from '../utils/userUtils';
-import { notifyTaskCreation, notifyTaskAssignment, notifyTaskCompletion } from './notificationService';
+// Notifications handled directly in this file now
 
 // Create a new task
 export function createTask(sender: string, params: CreateTaskParams) {

src/utils/phoneUtils.ts

@@ -0,0 +1,12 @@
+// Simple phone number normalization
+export function normalizePhone(input: string): string {
+  // Remove all non-digit characters
+  let digits = input.replace(/\D/g, '');
+  
+  // Ensure country code (default to +34 for Spain)
+  if (!digits.startsWith('34') && digits.length === 9) {
+    digits = '34' + digits;
+  }
+  
+  return `+${digits}`;
+}