Add command to restart tmux if monitor pane is dead

app/Console/Commands/TmuxHealthCheck.php

@@ -0,0 +1,165 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Settings;
+use App\Services\Tmux\TmuxSessionManager;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Process;
+
+class TmuxHealthCheck extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'tmux:health-check
+                            {--session= : Tmux session name}
+                            {--auto-restart : Automatically restart tmux if monitor pane is dead}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Check if tmux session exists and monitor pane is alive, optionally restart if dead';
+
+    private TmuxSessionManager $sessionManager;
+
+    private string $sessionName;
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(): int
+    {
+        try {
+            // Get session name from option, database setting, or config
+            $this->sessionName = $this->option('session')
+                ?? Settings::settingValue('tmux_session')
+                ?? config('tmux.session.default_name', 'nntmux');
+
+            $this->sessionManager = new TmuxSessionManager($this->sessionName);
+
+            // Use Laravel's built-in quiet mode check
+            $quiet = $this->output->isQuiet();
+
+            // Step 1: Check if tmux session exists
+            if (! $this->sessionManager->sessionExists()) {
+                if (! $quiet) {
+                    $this->warn("⚠️  Tmux session '{$this->sessionName}' does not exist.");
+                }
+
+
+                return Command::FAILURE;
+            }
+
+            if (! $quiet) {
+                $this->info("✅ Tmux session '{$this->sessionName}' exists.");
+            }
+
+            // Step 2: Check if monitor pane (0.0) is dead
+            $monitorPaneDead = $this->isMonitorPaneDead();
+
+            if ($monitorPaneDead) {
+                if (! $quiet) {
+                    $this->warn('⚠️  Monitor pane (0.0) is dead.');
+                }
+
+                if ($this->option('auto-restart')) {
+                    return $this->restartTmux();
+                }
+
+                return Command::FAILURE;
+            }
+
+            if (! $quiet) {
+                $this->info('✅ Monitor pane (0.0) is alive and running.');
+            }
+
+            return Command::SUCCESS;
+
+        } catch (\Exception $e) {
+            $this->error('❌ Health check failed: '.$e->getMessage());
+            logger()->error('Tmux health check error', [
+                'message' => $e->getMessage(),
+                'trace' => $e->getTraceAsString(),
+            ]);
+
+            return Command::FAILURE;
+        }
+    }
+
+    /**
+     * Check if the monitor pane (0.0) is dead.
+     */
+    private function isMonitorPaneDead(): bool
+    {
+        // Use tmux display-message to check pane_dead flag
+        $result = Process::timeout(10)->run(
+            "tmux display-message -p -t {$this->sessionName}:0.0 '#{pane_dead}'"
+        );
+
+        if (! $result->successful()) {
+            // If we can't even query the pane, consider it dead
+            return true;
+        }
+
+        $paneDeadFlag = trim($result->output());
+
+        // tmux returns '1' if pane is dead, '0' if alive
+        if ($paneDeadFlag === '1') {
+            return true;
+        }
+
+        // Additional check: verify the pane is actually running a process
+        $commandResult = Process::timeout(10)->run(
+            "tmux display-message -p -t {$this->sessionName}:0.0 '#{pane_current_command}'"
+        );
+
+        if (! $commandResult->successful()) {
+            return true;
+        }
+
+        $currentCommand = trim($commandResult->output());
+
+        // If the pane is just showing a shell with no process, it might be considered "idle"
+        // but not necessarily dead. The pane_dead flag is the authoritative check.
+        return false;
+    }
+
+    /**
+     * Restart the tmux session.
+     */
+    private function restartTmux(): int
+    {
+        $this->info('🔄 Restarting tmux session...');
+
+        // First, stop the existing session if it exists
+        if ($this->sessionManager->sessionExists()) {
+            $this->info('⏹️  Stopping existing session...');
+            $this->call('tmux:stop', [
+                '--session' => $this->sessionName,
+                '--force' => true,
+            ]);
+
+            // Give it a moment to clean up
+            sleep(2);
+        }
+
+        // Start a new session
+        $this->info('▶️  Starting new tmux session...');
+        $exitCode = $this->call('tmux:start', [
+            '--session' => $this->sessionName,
+        ]);
+
+        if ($exitCode === Command::SUCCESS) {
+            $this->info("✅ Tmux session '{$this->sessionName}' restarted successfully.");
+        } else {
+            $this->error("❌ Failed to restart tmux session '{$this->sessionName}'.");
+        }
+
+        return $exitCode;
+    }
+}

composer.lock

@@ -2817,16 +2817,16 @@
         },
         {
             "name": "laravel/framework",
-            "version": "v12.45.1",
+            "version": "v12.46.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/framework.git",
-                "reference": "1ca7e2a2ee17ae5bc435af7cb52d2f130148e2fa"
+                "reference": "9dcff48d25a632c1fadb713024c952fec489c4ae"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/framework/zipball/1ca7e2a2ee17ae5bc435af7cb52d2f130148e2fa",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/9dcff48d25a632c1fadb713024c952fec489c4ae",
-                "reference": "1ca7e2a2ee17ae5bc435af7cb52d2f130148e2fa",
+                "reference": "9dcff48d25a632c1fadb713024c952fec489c4ae",
                 "shasum": ""
             },
             "require": {
@@ -3035,7 +3035,7 @@
                 "issues": "https://github.com/laravel/framework/issues",
                 "source": "https://github.com/laravel/framework"
             },
-            "time": "2026-01-07T00:50:24+00:00"
+            "time": "2026-01-07T23:26:53+00:00"
         },
         {
             "name": "laravel/horizon",
@@ -14810,16 +14810,16 @@
         },
         {
             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.92.4",
+            "version": "v3.92.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
-                "reference": "9e7488b19403423e02e8403cc1eb596baf4673b0"
+                "reference": "260cc8c4a1d2f6d2f22cd4f9c70aa72e55ebac58"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/9e7488b19403423e02e8403cc1eb596baf4673b0",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/260cc8c4a1d2f6d2f22cd4f9c70aa72e55ebac58",
-                "reference": "9e7488b19403423e02e8403cc1eb596baf4673b0",
+                "reference": "260cc8c4a1d2f6d2f22cd4f9c70aa72e55ebac58",
                 "shasum": ""
             },
             "require": {
@@ -14902,7 +14902,7 @@
             ],
             "support": {
                 "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
-                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.92.4"
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.92.5"
             },
             "funding": [
                 {
@@ -14910,7 +14910,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-01-04T00:38:52+00:00"
+            "time": "2026-01-08T21:57:37+00:00"
         },
         {
             "name": "hamcrest/hamcrest-php",

routes/console.php

@@ -49,3 +49,5 @@ if (config('nntmux.purge_inactive_users') === true) {
     Schedule::job(new RemoveInactiveAccounts)->daily();
     Schedule::job(new PurgeDeletedAccounts)->daily();
 }
+// Check tmux health and auto-restart if monitor pane is dead
+Schedule::command('tmux:health-check --auto-restart')->everyThirtyMinutes()->withoutOverlapping();