fix: add patient history back navigation and restore patient search datatable

app/Views/billing/Patient_Profile_Opd_V.php

@@ -1,8 +1,22 @@
+<?php
+    $request = service('request');
+    $defaultBackUrl = base_url('billing/patient/person_record') . '/' . (int) ($patient->id ?? 0) . '/0';
+    $backUrl = trim((string) $request->getGet('back_url'));
+    $backTitle = trim((string) $request->getGet('back_title'));
+
+    if ($backUrl === '') {
+        $backUrl = $defaultBackUrl;
+    }
+    if ($backTitle === '') {
+        $backTitle = 'Profile';
+    }
+?>
+
 <div class="pagetitle">
     <h1>Consult History</h1>
     <nav>
         <ol class="breadcrumb">
-            <li class="breadcrumb-item"><a href="javascript:load_form('<?= base_url('billing/patient/person_record') ?>/<?= esc($patient->id) ?>/0');">Profile</a></li>
+            <li class="breadcrumb-item"><a href="javascript:load_form('<?= esc($backUrl, 'js') ?>','<?= esc($backTitle, 'js') ?>');"><?= esc($backTitle) ?></a></li>
             <li class="breadcrumb-item active">Consult History</li>
         </ol>
     </nav>
@@ -15,7 +29,10 @@
                 <h3 class="card-title mb-0">Old Prescription With Scanned Records</h3>
                 <div class="small text-muted mt-1">Patient: <?= esc($patient->p_fname ?? '') ?></div>
             </div>
-            <span class="badge bg-secondary"><?= count($opdGroups ?? []) ?> OPD Record(s)</span>
+            <div class="d-flex align-items-center gap-2">
+                <a href="javascript:load_form('<?= esc($backUrl, 'js') ?>','<?= esc($backTitle, 'js') ?>');" class="btn btn-outline-secondary btn-sm">Back</a>
+                <span class="badge bg-secondary"><?= count($opdGroups ?? []) ?> OPD Record(s)</span>
+            </div>
         </div>
         <div class="card-body">
             <?php if (empty($opdGroups)) { ?>

app/Views/billing/Patient_Search_V.php

@@ -58,4 +58,44 @@
 </div>
 <!-- /.box-body -->
 </div>
+
+<script>
+(function() {
+  var table = document.getElementById('example1');
+  if (!table) {
+    return;
+  }
+
+  // Prevent duplicate initialization when this partial is loaded repeatedly.
+  if (table.dataset.dtInit === '1') {
+    return;
+  }
+
+  // Prefer simple-datatables for static HTML tables loaded via load_form.
+  if (window.simpleDatatables && window.simpleDatatables.DataTable) {
+    try {
+      new window.simpleDatatables.DataTable(table);
+      table.dataset.dtInit = '1';
+      return;
+    } catch (e) {
+      console.warn('simple-datatables init failed for patient search table', e);
+    }
+  }
+
+  // Fallback to full jQuery DataTables plugin only (not the local shim).
+  if (window.jQuery && $.fn && $.fn.DataTable && $.fn.dataTable && $.fn.dataTable.defaults) {
+    try {
+      if (!$.fn.DataTable.isDataTable('#example1')) {
+        $('#example1').DataTable({
+          order: [[0, 'asc']],
+          pageLength: 25
+        });
+      }
+      table.dataset.dtInit = '1';
+    } catch (e) {
+      console.warn('jQuery DataTables init failed for patient search table', e);
+    }
+  }
+})();
+</script>
     

app/Views/billing/opd_appointment_list.php

@@ -116,6 +116,22 @@ $mergedGroups = [
                         <td><?= esc($row->p_code ?? '') ?></td>
                         <td><?= esc($row->opd_type ?? '') ?> / Amt: <?= esc($row->opd_fee_amount ?? '') ?></td>
                         <td>
+                            <?php $patientId = (int) ($row->id ?? 0); ?>
+                            <?php
+                                $historyBackUrl = base_url('Opd/get_appointment_list') . '/' . (int) ($doc_id ?? 0) . '/' . (string) ($opd_date ?? '');
+                                $historyUrl = base_url('billing/patient/show_profile_opd') . '/' . $patientId . '/1?' . http_build_query([
+                                    'back_url' => $historyBackUrl,
+                                    'back_title' => 'OPD Appointment List',
+                                ]);
+                            ?>
+                            <?php if ($patientId > 0) : ?>
+                                <a class="btn btn-info btn-sm"
+                                   href="javascript:load_form('<?= esc($historyUrl, 'js') ?>','Consult History');"
+                                   title="Patient History"
+                                   aria-label="Patient History">
+                                    <i class="bi bi-clock-history"></i>
+                                </a>
+                            <?php endif; ?>
                             <?php if ($tabType === 'booking') : ?>
                                 <?php if ($isConfirmedForQueue) : ?>
                                     <button type="button" class="btn btn-outline-success btn-sm btn-opd-create-queue" data-opdid="<?= $opdId ?>" title="Add to Queue">

app/Views/billing/opd_prescription_basic.php

@@ -316,6 +316,19 @@
                 </select>
                 <button type="button" class="btn btn-outline-warning btn-sm" id="btn_new_opd_session_reset" title="Start clean OPD session view (clear Advice/Investigation/Medicine list)">New OPD Session</button>
                 <button type="button" class="btn btn-outline-secondary btn-sm" id="btn_restore_draft">Restore Draft</button>
+                <?php
+                    $historyBackUrl = base_url('Opd_prescription/Prescription') . '/' . (int) ($opd_id ?? 0);
+                    $historyUrl = base_url('billing/patient/show_profile_opd') . '/' . (int) ($patient_master[0]->id ?? 0) . '/1?' . http_build_query([
+                        'back_url' => $historyBackUrl,
+                        'back_title' => 'Consult',
+                    ]);
+                ?>
+                <a href="javascript:load_form('<?= esc($historyUrl, 'js') ?>','Consult History');"
+                   class="btn btn-info btn-sm"
+                   title="Patient History"
+                   aria-label="Patient History">
+                    <i class="bi bi-clock-history"></i>
+                </a>
                 <button type="button" class="btn btn-outline-success btn-sm" id="btn_local_clinical_assist" title="Local rule-based support using complaints + vitals">Clinical Assist (Local)</button>
                 <button type="button" class="btn btn-outline-primary btn-sm" id="btn_ai_full_draft" title="Use complete OPD data to generate draft notes">AI Draft (Full Form)</button>
                 <button type="button" class="btn btn-primary btn-sm" id="btn_save_rx">Save Consult</button>