fix: honor table search q param on users and related lists

Dashboard sends q, but users/classes/payments ignored it; accept q/search and normalize Persian digits.

components/payments/paymentService.js

@@ -5,7 +5,8 @@ const Payment = require('./paymentModel');
 const AppError = require('../../utils/AppError');
 const eventEmitter = require('../../events/eventEmitter');
 const EVENT_NAMES = require('../../constants/eventNames');
-const { calculateMeta } = require('../../utils/pagination');
+const { calculateMeta, escapeRegex, getSearchTerm } = require('../../utils/pagination');
+const User = require('../users/userModel');
 
 const getAllPayments = async (query) => {
   const page = parseInt(query.page) || 1;
@@ -16,6 +17,24 @@ const getAllPayments = async (query) => {
   if (query.userId) filter.user = query.userId;
   if (query.status) filter.status = query.status;
 
+  const searchTerm = getSearchTerm(query);
+  if (searchTerm) {
+    const searchRegex = new RegExp(escapeRegex(searchTerm), 'i');
+    const matchedUsers = await User.find({
+      $or: [
+        { name: searchRegex },
+        { phoneNumber: searchRegex },
+        { nationalIdCode: searchRegex }
+      ]
+    }).select('_id').lean();
+
+    filter.$or = [
+      { notes: searchRegex },
+      { status: searchRegex },
+      { user: { $in: matchedUsers.map((u) => u._id) } }
+    ];
+  }
+
   const [items, total] = await Promise.all([
     Payment.find(filter)
       .populate({ path: 'user', select: 'name' })