feat: detect duplicates in csv

Dockerfile

@@ -1,2 +1,3 @@
 FROM php:8.3-apache
 RUN docker-php-ext-install pdo pdo_mysql
+COPY ./web /var/www/html/

web/admin.html

@@ -90,7 +90,7 @@
         <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
             <div class="nav-link-custom" style="cursor:default;">
                 <i class="fa-solid fa-circle-user fa-fw"></i>
-                <span style="font-size:0.82rem;">Admin</span>
+                <span class="nav-username" style="font-size:0.82rem;">User</span>
             </div>
         </div>
     </div>
@@ -245,7 +245,21 @@
 
         async function loadAdmin() {
             try {
-                const data = await fetch('/api/admin.php').then(r => r.json());
+                const r = await fetch('/api/admin.php', { redirect: 'manual' });
+                if (r.type === 'opaqueredirect') { window.location.reload(); return; }
+                if (!r.ok) { window.location.replace('index.html'); return; }
+                const data = await r.json();
+
+                if (!data.is_admin) {
+                    window.location.replace('index.html');
+                    return;
+                }
+
+                document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.remove('d-none'));
+                const name = data.name || data.username;
+                if (name) {
+                    document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+                }
 
                 document.getElementById('sandboxToggle').checked = data.sandbox_mode;
                 document.getElementById('sandboxBanner').style.display = data.sandbox_mode ? '' : 'none';
@@ -359,6 +373,7 @@
         // ─── Init ────────────────────────────────────────────────────────────────────
 
         loadAdmin();
+        document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') loadAdmin(); });
     </script>
 </body>
 

web/api/admin.php

@@ -32,8 +32,17 @@ function handle_get(): never
          FROM delivery_log"
     )->fetch();
 
+    $groups_raw = $_SERVER['HTTP_X_AUTHENTIK_GROUPS']   ?? '';
+    $groups     = ($groups_raw !== '') ? explode('|', $groups_raw) : [];
+    $is_admin   = in_array('imf_sms_admin', $groups, true);
+    $username   = $_SERVER['HTTP_X_AUTHENTIK_USERNAME'] ?? '';
+    $name       = $_SERVER['HTTP_X_AUTHENTIK_NAME']     ?? $username;
+
     json_out([
         'sandbox_mode'             => $sandbox_mode,
+        'is_admin'                 => $is_admin,
+        'username'                 => $username,
+        'name'                     => $name,
         'delivery_log_total'       => (int) ($counts['total']         ?? 0),
         'delivery_log_sandbox'     => (int) ($counts['sandbox_count'] ?? 0),
         'delivery_log_real_sent'   => (int) ($counts['real_sent']     ?? 0),
@@ -44,10 +53,23 @@ function handle_get(): never
     ]);
 }
 
+// ─── Admin guard ─────────────────────────────────────────────────────────────
+
+function require_admin(): void
+{
+    $groups_raw = $_SERVER['HTTP_X_AUTHENTIK_GROUPS'] ?? '';
+    $groups     = ($groups_raw !== '') ? explode('|', $groups_raw) : [];
+    if (!in_array('imf_sms_admin', $groups, true)) {
+        error_out('Forbidden — requires imf_sms_admin group', 403);
+    }
+}
+
 // ─── POST /api/admin.php ──────────────────────────────────────────────────────
 
 function handle_post(): never
 {
+    require_admin();
+
     $body   = json_body();
     $action = (string) ($body['action'] ?? '');
 

web/api/attendees.php

@@ -121,6 +121,129 @@ function handle_post(): never
         $mode = 'clear';
     }
 
+    // Resolutions map: mobile_number => chosen group index (0-based)
+    // Sent on the second submission after the user resolves duplicates in the UI.
+    $resolutions = [];
+    if (!empty($_POST['resolutions'])) {
+        $dec = json_decode((string) $_POST['resolutions'], true);
+        if (is_array($dec)) {
+            $resolutions = $dec;
+        }
+    }
+
+    // ─── Phase 1: Parse all valid rows into memory ────────────────────────────
+
+    $validRows   = [];
+    $skipped     = 0;
+    $skipReasons = ['not_attending' => 0, 'no_mobile' => 0];
+    $rejected    = [];
+
+    while (($row = fgetcsv($handle, 0, $delim)) !== false) {
+        $row = array_map(fn($v) => trim((string) $v, " \t\n\r\0\x0B\""), $row);
+
+        $firstName = trim((string) ($row[$col['first_name']] ?? ''));
+        $lastName  = trim((string) ($row[$col['last_name']]  ?? ''));
+        $email     = trim((string) ($row[$col['email']]      ?? ''));
+        $rawMobile = trim((string) ($row[$col['mobile_number']] ?? ''), " \t\n\r\0\x0B\"'");
+        $rawStatus = $col['status'] !== null ? trim((string) ($row[$col['status']] ?? '')) : '';
+
+        if ($col['status'] !== null) {
+            $status = strtolower($rawStatus);
+            if ($status !== '' && $status !== 'attending') {
+                $skipped++;
+                $skipReasons['not_attending']++;
+                $rejected[] = [
+                    'first_name' => $firstName, 'last_name' => $lastName,
+                    'email'      => $email, 'raw_mobile' => $rawMobile,
+                    'status'     => $rawStatus, 'reason' => 'not_attending',
+                ];
+                continue;
+            }
+        }
+
+        $mobile = sanitise_mobile($rawMobile);
+        if ($mobile === '') {
+            $skipped++;
+            $skipReasons['no_mobile']++;
+            $rejected[] = [
+                'first_name' => $firstName, 'last_name' => $lastName,
+                'email'      => $email, 'raw_mobile' => $rawMobile,
+                'status'     => $rawStatus, 'reason' => classify_mobile_rejection($rawMobile),
+            ];
+            continue;
+        }
+
+        // Parse workshop columns up-front (needed for duplicate display and import)
+        $wsName = $hasWorkshops ? trim((string) ($row[$col['workshop_name']] ?? '')) : '';
+        $wsTime = ($hasWorkshops && $col['workshop_time'] !== null)
+            ? trim((string) ($row[$col['workshop_time']] ?? ''))
+            : '';
+        $dt = null;
+        if ($hasWorkshops && $wsName !== '') {
+            if ($wsTime === '') {
+                $wsTime = extract_time_from_string($wsName) ?? '';
+                $wsName = trim_time_from_string($wsName);
+            }
+            if ($wsTime !== '') {
+                $parsed = strtotime($wsTime);
+                $dt     = $parsed !== false ? date('Y-m-d H:i:s', $parsed) : null;
+            }
+        }
+
+        $validRows[] = [
+            'first_name'    => $firstName,
+            'last_name'     => $lastName,
+            'email'         => $email,
+            'mobile_number' => $mobile,
+            'workshop_name' => $wsName,
+            'workshop_time' => $dt,
+        ];
+    }
+    fclose($handle);
+
+    // ─── Phase 2: Detect intra-CSV duplicate mobile numbers ───────────────────
+
+    $byMobile = [];
+    foreach ($validRows as $i => $vr) {
+        $byMobile[$vr['mobile_number']][] = $i;
+    }
+
+    $duplicateGroups = [];
+    foreach ($byMobile as $mobile => $indices) {
+        if (count($indices) > 1) {
+            $duplicateGroups[] = [
+                'mobile' => $mobile,
+                'rows'   => array_values(array_map(fn($i) => $validRows[$i], $indices)),
+            ];
+        }
+    }
+
+    // If duplicates exist and the user hasn't resolved them yet, pause and ask.
+    if (!empty($duplicateGroups) && empty($resolutions)) {
+        json_out(['status' => 'needs_resolution', 'duplicates' => $duplicateGroups]);
+    }
+
+    // Apply resolutions — keep only the chosen row for each duplicate mobile.
+    if (!empty($resolutions)) {
+        $indicesToRemove = [];
+        foreach ($byMobile as $mobile => $indices) {
+            if (!isset($resolutions[$mobile]) || count($indices) < 2) {
+                continue;
+            }
+            $chosenGroupPos = (int) $resolutions[$mobile];
+            foreach ($indices as $groupPos => $rowIdx) {
+                if ($groupPos !== $chosenGroupPos) {
+                    $indicesToRemove[$rowIdx] = true;
+                }
+            }
+        }
+        $validRows = array_values(
+            array_filter($validRows, fn($_, $i) => !isset($indicesToRemove[$i]), ARRAY_FILTER_USE_BOTH)
+        );
+    }
+
+    // ─── Phase 3: Import ──────────────────────────────────────────────────────
+
     $db = db();
     $db->beginTransaction();
 
@@ -132,7 +255,7 @@ function handle_post(): never
         }
     }
 
-    // Pre-populate workshop cache from existing sessions (for overwrite/append)
+    // Pre-populate workshop cache from existing sessions (for overwrite mode)
     $workshopCache = [];
     if ($hasWorkshops && $mode !== 'clear') {
         foreach ($db->query('SELECT id, workshop_name, workshop_time FROM workshop_sessions')->fetchAll() as $ws) {
@@ -140,76 +263,39 @@ function handle_post(): never
         }
     }
 
-    $workshopStmt = $db->prepare(
+    $workshopStmt    = $db->prepare(
         'INSERT INTO workshop_sessions (workshop_name, workshop_time) VALUES (:name, :time)'
     );
-    $regStmt = $db->prepare(
+    $regStmt         = $db->prepare(
         'INSERT INTO registrations (attendee_id, workshop_session_id) VALUES (:attendee_id, :ws_id)'
     );
-    $insertStmt = $db->prepare(
+    $insertStmt      = $db->prepare(
         'INSERT INTO attendees (first_name, last_name, email, mobile_number)
-         VALUES (:first_name, :last_name, :email, :mobile_number)'
+         VALUES (:first_name, :last_name, :email, :mobile_number)
+         ON DUPLICATE KEY UPDATE
+             first_name = VALUES(first_name),
+             last_name  = VALUES(last_name),
+             email      = VALUES(email),
+             id         = LAST_INSERT_ID(id)'
     );
-    // Match by email — most stable identifier
     $findByEmailStmt = $db->prepare(
         "SELECT id FROM attendees WHERE email = :email AND email != ''"
     );
-    // Update all fields including mobile (e.g. number may have changed, matched by email)
+    $updateStmt      = $db->prepare(
-    $updateStmt = $db->prepare(
         'UPDATE attendees SET first_name=:first_name, last_name=:last_name, email=:email, mobile_number=:mobile_number WHERE id=:id'
     );
-    $deleteRegsStmt = $db->prepare(
+    $deleteRegsStmt  = $db->prepare(
         'DELETE FROM registrations WHERE attendee_id = :attendee_id'
     );
 
     $imported = 0;
     $updated  = 0;
-    $skipped  = 0;
-    $skipReasons = ['not_attending' => 0, 'no_mobile' => 0];
-    $rejected = [];
 
-    while (($row = fgetcsv($handle, 0, $delim)) !== false) {
+    foreach ($validRows as $vr) {
-        // Strip leading/trailing double-quotes that some spreadsheet exports add around field values
+        $firstName = $vr['first_name'];
-        $row = array_map(fn($v) => trim((string) $v, " \t\n\r\0\x0B\""), $row);
+        $lastName  = $vr['last_name'];
-
+        $email     = $vr['email'];
-        $firstName = trim((string) ($row[$col['first_name']] ?? ''));
+        $mobile    = $vr['mobile_number'];
-        $lastName  = trim((string) ($row[$col['last_name']]  ?? ''));
-        $email     = trim((string) ($row[$col['email']]      ?? ''));
-        $rawMobile = trim((string) ($row[$col['mobile_number']] ?? ''), " \t\n\r\0\x0B\"'");
-        $rawStatus = $col['status'] !== null ? trim((string) ($row[$col['status']] ?? '')) : '';
-
-        // Skip non-attending rows when a status column is present
-        if ($col['status'] !== null) {
-            $status = strtolower($rawStatus);
-            if ($status !== '' && $status !== 'attending') {
-                $skipped++;
-                $skipReasons['not_attending']++;
-                $rejected[] = [
-                    'first_name' => $firstName,
-                    'last_name'  => $lastName,
-                    'email'      => $email,
-                    'raw_mobile' => $rawMobile,
-                    'status'     => $rawStatus,
-                    'reason'     => 'not_attending',
-                ];
-                continue;
-            }
-        }
-
-        $mobile = sanitise_mobile($rawMobile);
-        if ($mobile === '') {
-            $skipped++;
-            $skipReasons['no_mobile']++;
-            $rejected[] = [
-                'first_name' => $firstName,
-                'last_name'  => $lastName,
-                'email'      => $email,
-                'raw_mobile' => $rawMobile,
-                'status'     => $rawStatus,
-                'reason'     => classify_mobile_rejection($rawMobile),
-            ];
-            continue;
-        }
 
         if ($mode === 'clear') {
             $insertStmt->execute([
@@ -219,9 +305,9 @@ function handle_post(): never
                 ':mobile_number' => $mobile,
             ]);
             $attendeeId = (int) $db->lastInsertId();
-            $imported++;
+            // rowCount: 1 = new insert, 2 = ON DUPLICATE KEY UPDATE fired
+            if ($insertStmt->rowCount() >= 2) { $updated++; } else { $imported++; }
         } else {
-            // Match by email only
             $matches = [];
             if ($email !== '') {
                 $findByEmailStmt->execute([':email' => $email]);
@@ -229,7 +315,6 @@ function handle_post(): never
             }
 
             if (count($matches) === 0) {
-                // Not found — insert
                 $insertStmt->execute([
                     ':first_name'    => $firstName,
                     ':last_name'     => $lastName,
@@ -239,7 +324,6 @@ function handle_post(): never
                 $attendeeId = (int) $db->lastInsertId();
                 $imported++;
             } else {
-                // overwrite: update all fields (incl. mobile), collapse any duplicates
                 $attendeeId = (int) $matches[0]['id'];
                 $updateStmt->execute([
                     ':first_name'    => $firstName,
@@ -259,42 +343,16 @@ function handle_post(): never
             }
         }
 
-        // Assign to a workshop session (runs for all modes)
+        if ($hasWorkshops && $vr['workshop_name'] !== '') {
-        if ($hasWorkshops) {
+            $cacheKey = $vr['workshop_name'] . '|' . ($vr['workshop_time'] ?? '');
-            $wsName = trim((string) ($row[$col['workshop_name']] ?? ''));
+            if (!isset($workshopCache[$cacheKey])) {
-
+                $workshopStmt->execute([':name' => $vr['workshop_name'], ':time' => $vr['workshop_time']]);
-            if ($wsName !== '') {
+                $workshopCache[$cacheKey] = (int) $db->lastInsertId();
-                // Try separate time column first; otherwise extract time from the name
-                $wsTime = $col['workshop_time'] !== null
-                    ? trim((string) ($row[$col['workshop_time']] ?? ''))
-                    : '';
-
-                if ($wsTime === '') {
-                    $wsTime  = extract_time_from_string($wsName) ?? '';
-                    // Strip the extracted time token from the workshop name
-                    $wsName  = trim_time_from_string($wsName);
-                }
-
-                $dt = null;
-                if ($wsTime !== '') {
-                    $parsed = strtotime($wsTime);
-                    $dt     = $parsed !== false ? date('Y-m-d H:i:s', $parsed) : null;
-                }
-
-                $cacheKey = $wsName . '|' . ($dt ?? '');
-                if (!isset($workshopCache[$cacheKey])) {
-                    $workshopStmt->execute([':name' => $wsName, ':time' => $dt]);
-                    $workshopCache[$cacheKey] = (int) $db->lastInsertId();
-                }
-                $regStmt->execute([
-                    ':attendee_id' => $attendeeId,
-                    ':ws_id'       => $workshopCache[$cacheKey],
-                ]);
             }
+            $regStmt->execute([':attendee_id' => $attendeeId, ':ws_id' => $workshopCache[$cacheKey]]);
         }
     }
 
-    fclose($handle);
     $db->commit();
 
     json_out(['imported' => $imported, 'updated' => $updated, 'skipped' => $skipped, 'skip_reasons' => $skipReasons, 'workshops_imported' => $hasWorkshops, 'rejected' => $rejected]);

web/api/settings.php

@@ -46,6 +46,13 @@ function handle_get(): never
 
 function handle_post(): never
 {
+    // Only admins may write settings
+    $groups_raw = $_SERVER['HTTP_X_AUTHENTIK_GROUPS'] ?? '';
+    $groups     = ($groups_raw !== '') ? explode('|', $groups_raw) : [];
+    if (!in_array('imf_sms_admin', $groups, true)) {
+        error_out('Forbidden — requires imf_sms_admin group', 403);
+    }
+
     $body = json_decode((string) file_get_contents('php://input'), true);
 
     $key   = trim((string) ($body['key']   ?? ''));

web/attendees.html

@@ -93,7 +93,7 @@
         <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
             <div class="nav-link-custom" style="cursor:default;">
                 <i class="fa-solid fa-circle-user fa-fw"></i>
-                <span style="font-size:0.82rem;">Admin</span>
+                <span class="nav-username" style="font-size:0.82rem;">User</span>
             </div>
         </div>
     </div>
@@ -240,6 +240,9 @@
     <script>
         Dropzone.autoDiscover = false;
 
+        let pendingFile = null;
+        let currentDuplicates = [];
+
         const dz = new Dropzone("#csvDropzone", {
             url: "/api/attendees.php",
             acceptedFiles: ".csv",
@@ -270,8 +273,14 @@
         }
 
         dz.on("success", (file, response) => {
-            dz.removeFile(file);
             const r = typeof response === 'string' ? JSON.parse(response) : response;
+            if (r.status === 'needs_resolution') {
+                pendingFile = file;
+                currentDuplicates = r.duplicates;
+                showDuplicateModal(r.duplicates);
+                return;
+            }
+            dz.removeFile(file);
             const resultEl = document.getElementById('importResult');
             const parts = [];
             if (r.imported) parts.push(`<span class="text-success">${r.imported} added</span>`);
@@ -589,6 +598,83 @@
             }
         }
 
+        function showDuplicateModal(duplicates) {
+            const container = document.getElementById('dupGroups');
+            container.innerHTML = duplicates.map((dup, gi) => {
+                const rowHtml = dup.rows.map((row, ri) => `
+                    <div class="form-check mb-1">
+                        <input class="form-check-input" type="radio" name="dup_${gi}" id="dup_${gi}_${ri}" value="${ri}"${ri === 0 ? ' checked' : ''}>
+                        <label class="form-check-label" for="dup_${gi}_${ri}">
+                            <strong>${esc(row.first_name)} ${esc(row.last_name)}</strong>
+                            ${row.email ? `<span class="text-muted ms-1">· ${esc(row.email)}</span>` : ''}
+                            ${row.workshop_name ? `<span class="badge bg-secondary ms-1">${esc(row.workshop_name)}</span>` : ''}
+                        </label>
+                    </div>`).join('');
+                return `
+                    <div class="mb-3 p-3 rounded" style="background:var(--bg-card);border:1px solid var(--border);">
+                        <div class="mb-2 fw-semibold" style="font-size:0.85rem;color:var(--text-muted);">
+                            <i class="fa-solid fa-phone fa-fw me-1 text-warning"></i>${esc(dup.mobile)}
+                        </div>
+                        ${rowHtml}
+                    </div>`;
+            }).join('');
+            new bootstrap.Modal(document.getElementById('dupModal')).show();
+        }
+
+        function cancelDuplicates() {
+            bootstrap.Modal.getInstance(document.getElementById('dupModal')).hide();
+            if (pendingFile) { dz.removeFile(pendingFile); pendingFile = null; }
+            currentDuplicates = [];
+        }
+
+        async function confirmDuplicates() {
+            const resolutions = {};
+            currentDuplicates.forEach((dup, gi) => {
+                const sel = document.querySelector(`input[name="dup_${gi}"]:checked`);
+                if (sel) resolutions[dup.mobile] = parseInt(sel.value, 10);
+            });
+            const btn = document.getElementById('dupConfirmBtn');
+            btn.disabled = true;
+            btn.innerHTML = '<i class="fa-solid fa-spinner fa-spin fa-fw"></i> Importing…';
+            try {
+                const fd = new FormData();
+                fd.append('file', pendingFile, pendingFile.name);
+                fd.append('mode', document.querySelector('input[name="importMode"]:checked').value);
+                fd.append('resolutions', JSON.stringify(resolutions));
+                const res = await fetch('/api/attendees.php', { method: 'POST', body: fd });
+                const data = await res.json();
+                if (!res.ok) throw new Error(data.error ?? 'Import failed');
+                bootstrap.Modal.getInstance(document.getElementById('dupModal')).hide();
+                dz.removeFile(pendingFile);
+                pendingFile = null;
+                currentDuplicates = [];
+                const resultEl = document.getElementById('importResult');
+                const parts = [];
+                if (data.imported) parts.push(`<span class="text-success">${data.imported} added</span>`);
+                if (data.updated) parts.push(`<span class="text-info">${data.updated} updated</span>`);
+                if (data.skipped) {
+                    const reasons = [];
+                    if (data.skip_reasons?.not_attending) reasons.push(`${data.skip_reasons.not_attending} not attending`);
+                    if (data.skip_reasons?.no_mobile) reasons.push(`${data.skip_reasons.no_mobile} invalid/missing mobile`);
+                    const detail = reasons.length ? ` (${reasons.join(', ')})` : '';
+                    parts.push(`<span class="text-muted">${data.skipped} skipped${detail}</span>`);
+                }
+                resultEl.innerHTML = parts.length ? 'Import complete: ' + parts.join(', ') + '.' : 'Import complete.';
+                if (data.rejected && data.rejected.length > 0) {
+                    showRejectedRecords(data.rejected);
+                } else {
+                    rejectedRows = [];
+                    renderRejectedTable();
+                }
+                loadAttendees();
+            } catch (e) {
+                document.getElementById('importResult').innerHTML = `<span class="text-danger">Import failed: ${esc(e.message)}</span>`;
+            } finally {
+                btn.disabled = false;
+                btn.innerHTML = '<i class="fa-solid fa-check fa-fw"></i> Confirm Import';
+            }
+        }
+
     </script>
 
     <!-- ─── Edit attendee modal ─── -->
@@ -639,13 +725,45 @@
         </div>
     </div>
 
+    <!-- ─── Duplicate resolution modal ─── -->
+    <div class="modal fade" id="dupModal" tabindex="-1" data-bs-backdrop="static" aria-labelledby="dupModalLabel" aria-hidden="true">
+        <div class="modal-dialog modal-lg">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title" id="dupModalLabel">
+                        <i class="fa-solid fa-triangle-exclamation fa-fw me-2 text-warning"></i>Duplicate Mobile Numbers
+                    </h5>
+                </div>
+                <div class="modal-body">
+                    <p class="text-muted mb-3" style="font-size:0.85rem;">The following mobile numbers appear more than once in your CSV. Choose which entry to import for each:</p>
+                    <div id="dupGroups"></div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" onclick="cancelDuplicates()">Cancel</button>
+                    <button type="button" class="btn btn-primary" id="dupConfirmBtn" onclick="confirmDuplicates()">
+                        <i class="fa-solid fa-check fa-fw"></i> Confirm Import
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+
     <script>
-        (async function () {
+        async function checkAuth() {
             try {
-                const d = await fetch('/api/admin.php').then(r => r.json());
+                const r = await fetch('/api/admin.php', { redirect: 'manual' });
+                if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+                const d = await r.json();
                 document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+                document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+                const name = d.name || d.username;
+                if (name) {
+                    document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+                }
             } catch { }
-        }());
+        }
+        checkAuth();
+        document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
     </script>
 </body>
 

web/delivery-log.html

@@ -90,7 +90,7 @@
     <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
       <div class="nav-link-custom" style="cursor:default;">
         <i class="fa-solid fa-circle-user fa-fw"></i>
-        <span style="font-size:0.82rem;">Admin</span>
+        <span class="nav-username" style="font-size:0.82rem;">User</span>
       </div>
     </div>
   </div>
@@ -245,12 +245,21 @@
     loadLog();
   </script>
   <script>
-    (async function () {
+    async function checkAuth() {
       try {
-        const d = await fetch('/api/admin.php').then(r => r.json());
+        const r = await fetch('/api/admin.php', { redirect: 'manual' });
+        if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+        const d = await r.json();
         document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+        document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+        const name = d.name || d.username;
+        if (name) {
+          document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+        }
       } catch { }
-    }());
+    }
+    checkAuth();
+    document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
   </script>
 </body>
 

web/index.html

@@ -89,7 +89,7 @@
     <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
       <div class="nav-link-custom" style="cursor:default;">
         <i class="fa-solid fa-circle-user fa-fw"></i>
-        <span style="font-size:0.82rem;">Admin</span>
+        <span class="nav-username" style="font-size:0.82rem;">User</span>
       </div>
     </div>
   </div>
@@ -197,10 +197,12 @@
           </a>
         </div>
         <!-- Start Admin Settings -->
+        <div id="adminSection" class="d-none col-12">
         <hr class="mt-4 mb-3">
-        <div class="page-header mt-0 mb-0">
+        <div class="page-header mt-0 mb-4">
           <p><em>You're seeing these options because you're an admin. Proceed with caution!</em></p>
         </div>
+        <div class="row g-3">
         <div class="col-12 col-sm-6">
           <a href="admin.html" class="card p-4 border-0 text-decoration-none d-flex flex-row align-items-center gap-3">
             <i class="fa-solid fa-user-shield fa-lg" style="color:var(--accent);"></i>
@@ -223,6 +225,8 @@
             <i class="fa-solid fa-chevron-right ms-auto" style="color:var(--text-muted);font-size:0.8rem;"></i>
           </button>
         </div>
+        </div><!-- /.row (admin cards) -->
+        </div><!-- /#adminSection -->
       </div>
     </div>
   </div>
@@ -332,12 +336,23 @@
     loadStats();
   </script>
   <script>
-    (async function () {
+    async function checkAuth() {
       try {
-        const d = await fetch('/api/admin.php').then(r => r.json());
+        const r = await fetch('/api/admin.php', { redirect: 'manual' });
+        if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+        const d = await r.json();
         document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+        document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+        const adminSection = document.getElementById('adminSection');
+        if (adminSection) adminSection.classList.toggle('d-none', !d.is_admin);
+        const name = d.name || d.username;
+        if (name) {
+          document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+        }
       } catch { }
-    }());
+    }
+    checkAuth();
+    document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
   </script>
 </body>
 

web/schedule.html

@@ -104,7 +104,7 @@
     <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
       <div class="nav-link-custom" style="cursor:default;">
         <i class="fa-solid fa-circle-user fa-fw"></i>
-        <span style="font-size:0.82rem;">Admin</span>
+        <span class="nav-username" style="font-size:0.82rem;">User</span>
       </div>
     </div>
   </div>
@@ -501,12 +501,21 @@
       `${now.getFullYear()}-${pad(now.getMonth() + 1)}-${pad(now.getDate())}T${pad(now.getHours())}:${pad(now.getMinutes())}`;
   </script>
   <script>
-    (async function () {
+    async function checkAuth() {
       try {
-        const d = await fetch('/api/admin.php').then(r => r.json());
+        const r = await fetch('/api/admin.php', { redirect: 'manual' });
+        if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+        const d = await r.json();
         document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+        document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+        const name = d.name || d.username;
+        if (name) {
+          document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+        }
       } catch { }
-    }());
+    }
+    checkAuth();
+    document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
   </script>
 </body>
 

web/send-now.html

@@ -90,7 +90,7 @@
     <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
       <div class="nav-link-custom" style="cursor:default;">
         <i class="fa-solid fa-circle-user fa-fw"></i>
-        <span style="font-size:0.82rem;">Admin</span>
+        <span class="nav-username" style="font-size:0.82rem;">User</span>
       </div>
     </div>
   </div>
@@ -369,12 +369,21 @@
     loadTemplatePicker();
   </script>
   <script>
-    (async function () {
+    async function checkAuth() {
       try {
-        const d = await fetch('/api/admin.php').then(r => r.json());
+        const r = await fetch('/api/admin.php', { redirect: 'manual' });
+        if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+        const d = await r.json();
         document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+        document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+        const name = d.name || d.username;
+        if (name) {
+          document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+        }
       } catch { }
-    }());
+    }
+    checkAuth();
+    document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
   </script>
 </body>
 

web/templates.html

@@ -90,7 +90,7 @@
     <div class="mt-auto pt-3" style="border-top:1px solid var(--border);">
       <div class="nav-link-custom" style="cursor:default;">
         <i class="fa-solid fa-circle-user fa-fw"></i>
-        <span style="font-size:0.82rem;">Admin</span>
+        <span class="nav-username" style="font-size:0.82rem;">User</span>
       </div>
     </div>
   </div>
@@ -296,12 +296,21 @@
     loadTemplates();
   </script>
   <script>
-    (async function () {
+    async function checkAuth() {
       try {
-        const d = await fetch('/api/admin.php').then(r => r.json());
+        const r = await fetch('/api/admin.php', { redirect: 'manual' });
+        if (r.type === 'opaqueredirect' || !r.ok) { window.location.reload(); return; }
+        const d = await r.json();
         document.getElementById('sandboxBanner').style.display = d.sandbox_mode ? '' : 'none';
+        document.querySelectorAll('.admin-nav-link').forEach(el => el.classList.toggle('d-none', !d.is_admin));
+        const name = d.name || d.username;
+        if (name) {
+          document.querySelectorAll('.nav-username').forEach(el => { el.textContent = name; });
+        }
       } catch { }
-    }());
+    }
+    checkAuth();
+    document.addEventListener('visibilitychange', () => { if (document.visibilityState === 'visible') checkAuth(); });
   </script>
 </body>