The Monitor fallback card described a state file without saying whether anything still writes it

Plugin/unraid/include/monitor.php

@@ -1,5 +1,6 @@
 <?php
 require_once __DIR__ . '/common.php';
+require_once __DIR__ . '/fallback.php';    // vv_fb_proc(), vv_fb_dryrun_state() — daemon liveness
 require_once __DIR__ . '/partnership.php';   // vv_pt_peer_match() — tailnet name vs conf hostname
 
 // ═══════════════════════════════════════════════════════════════════════════════════════════════
@@ -126,6 +127,60 @@ function vv_partner_state(): array {
     ];
 }
 
+// Everything below the state file: whether anything is actually running, what it would do, and
+// when it last changed its mind. The card previously showed "✓ Nominal · monitoring · 30s" from
+// a state file alone — the same sentence whether a daemon was checking every 30 seconds or
+// nothing had run for five days.
+function vv_fb_card_extra(): array {
+    $me     = vv_detect_host();
+    $vars   = vv_conf_vars();
+
+    // Liveness and mode, read the same way the Fallback tab reads it.
+    $proc = function_exists('vv_fb_proc')
+        ? vv_fb_proc('fallback')
+        : ['running' => null, 'pid' => null, 'mode' => null, 'stale_lock' => false];
+
+    // A dry run keeps its own state copy, so the live file legitimately stops changing while a
+    // preview runs. Reported so the card can say which file it is describing.
+    $preview = ['state' => null, 'age' => null];
+    if (($proc['mode'] ?? '') === 'dry-run' && !empty($proc['pid']) && function_exists('vv_fb_dryrun_state')) {
+        $preview = vv_fb_dryrun_state((int)$proc['pid']);
+    }
+
+    $sp       = STATE_DIR . '/fallback_state.db';
+    $lastChg  = is_file($sp) ? time() - (int)@filemtime($sp) : null;
+
+    // What this host would take on if the partner went dark, and what the partner would take on
+    // for us. Both are counts, not lists — the card is one column wide and the Fallback tab owns
+    // the detail. Tier lists always live in the COVERED host's conf.
+    $partner = null;
+    foreach (vv_known_hosts() as $slot => $hostname) {
+        if ($slot !== $me) { $partner = $slot; break; }
+    }
+    $weCover = $theyCover = null;
+    if ($partner !== null && function_exists('vv_read_host_conf_raw')) {
+        $pRaw  = vv_read_host_conf_raw($partner);
+        $myRaw = vv_read_host_conf_raw($me);
+        $count = function (string $raw, string $id): int {
+            $n = 0;
+            for ($t = 1; $t <= 4; $t++) $n += count(vv_parse_bash_array($raw, "FALLBACK_{$id}_TIER{$t}"));
+            return $n;
+        };
+        $weCover   = $count($pRaw,  strtoupper($partner));   // partner's tiers = what we start for them
+        $theyCover = $count($myRaw, strtoupper($me));        // our tiers = what they start for us
+    }
+
+    return [
+        'daemon'      => $proc,
+        'preview'     => $preview,
+        'last_change' => $lastChg,
+        'partner_id'  => $partner !== null ? strtoupper($partner) : null,
+        'we_cover'    => $weCover,
+        'they_cover'  => $theyCover,
+        'rsync_on_handback' => ($vars['FALLBACK_RSYNC_ENABLED'] ?? 'false') === 'true',
+    ];
+}
+
 function vv_fallback_state(): array {
     $vars      = vv_conf_vars();
     $enabled   = ($vars['FALLBACK_ENABLED']           ?? 'false') === 'true';
@@ -135,7 +190,7 @@ function vv_fallback_state(): array {
 
     $stateFile = STATE_DIR . '/fallback_state.db';
     if (!file_exists($stateFile)) {
-        return ['state' => 'UNKNOWN', 'enabled' => $enabled, 'check_interval' => $interval,
+        return vv_fb_card_extra() + ['state' => 'UNKNOWN', 'enabled' => $enabled, 'check_interval' => $interval,
                 'handback_strikes' => 0, 'handback_strikes_required' => $reqStrikes,
                 'partnership_suspended' => false,
                 'partner_lost_at' => 0, 'partnership_suspend_after' => $suspendAfter];
@@ -145,7 +200,7 @@ function vv_fallback_state(): array {
         [$k, $v] = array_pad(explode('=', trim($line), 2), 2, '');
         $raw[trim($k)] = trim($v);
     }
-    return [
+    return vv_fb_card_extra() + [
         'state'                      => $raw['state']               ?? 'UNKNOWN',
         'failover_start'             => $raw['failover_start']       ?? '0',
         'tier2_started'              => $raw['tier2_started']        ?? 'false',