Varaverk: FallBack + Watchdog tabs; plugin path restructure to Plugin/unraid/

- FallBack tab: per-node tier inventory + active fallback card with duration, tier, handback strikes, running container status
- Watchdog tab: live system health (RAM bar + thresholds, load, uptime, daemon), docker watchdog strikes + skip list + restart history, stability strikes + reboot log, resource pressure alert card, config inventory (mem limits, required, pause/stop lists)
- Swapped partnership/arrs tab order; FallBack between partnership and watchdog
- Plugin source tree moved from Plugin/usr/local/emhttp/plugins/varaverk/ to Plugin/unraid/
- Deployment/ conf templates added

Plugin/unraid/api/dryrun.php

@@ -0,0 +1,33 @@
+<?php
+header('Content-Type: application/json');
+require_once dirname(__DIR__) . '/include/scheduler.php';
+
+$id = trim($_POST['id'] ?? '');
+
+if (!$id || !preg_match('/^[a-zA-Z0-9_.\/\-]+\.sh$/', $id) || str_contains($id, '..')) {
+    echo json_encode(['ok' => false, 'error' => 'Invalid id']);
+    exit;
+}
+
+$script = SCRIPTS_DIR . '/' . $id;
+if (!file_exists($script)) {
+    echo json_encode(['ok' => false, 'error' => 'Script not found: ' . $id]);
+    exit;
+}
+
+$logFile = vv_job_log_path($id);
+$logDir  = dirname($logFile);
+if (!is_dir($logDir)) mkdir($logDir, 0755, true);
+
+$location = trim($_POST['location'] ?? '');
+if ($location && (!str_starts_with($location, '/') || str_contains($location, '..') || preg_match('/[\x00\n\r]/', $location))) {
+    echo json_encode(['ok' => false, 'error' => 'Invalid location']);
+    exit;
+}
+
+$runner = dirname(__DIR__) . '/run_job.sh';
+$flags  = vv_job_flags($id);
+$locArg = $location ? ' ' . escapeshellarg('--location=' . $location) : '';
+exec('nohup bash ' . escapeshellarg($runner) . ' ' . escapeshellarg($id) . ' ' . escapeshellarg($script) . ' --dry-run' . ($flags ? " $flags" : '') . ' --manual' . $locArg . ' >> ' . escapeshellarg($logFile) . ' 2>&1 </dev/null &');
+
+echo json_encode(['ok' => true]);