<?php
declare(strict_types=1);
// Read-only original-run observer. No route, stop, generation, or control writes.
ini_set('display_errors', '0');
ini_set('log_errors', '0');
header('Content-Type: application/json');
if (PHP_SAPI !== 'cgi-fcgi' || ($_SERVER['REMOTE_ADDR'] ?? '') !== '127.0.0.1'
    || ($_SERVER['REQUEST_METHOD'] ?? '') !== 'POST' || (int) ($_SERVER['CONTENT_LENGTH'] ?? 0) !== 0) {
    http_response_code(403); echo '{"ok":false,"error_code":"PRIVATE_FASTCGI_POST_REQUIRED"}'; exit;
}
try {
    $root = dirname(__DIR__) . '/server';
    require $root . '/vendor/autoload.php';
    $app = new \think\App($root . '/');
    require_once $root . '/vendor/topthink/framework/src/helper.php';
    $app->env->load($root . '/.env');
    $app->config->set(require $root . '/config/prescription_ai.php', 'prescription_ai');
    $targetTime = (new \DateTimeImmutable('2026-10-27T10:17:23+08:00'))->getTimestamp();
    $matches = [];
    foreach (glob($root . '/runtime/adminapi/assistant-requests/*.json') ?: [] as $file) {
        if (filemtime($file) !== $targetTime) continue;
        $state = json_decode((string) file_get_contents($file), true, 64, JSON_THROW_ON_ERROR);
        if (($state['status'] ?? '') !== 'error' || empty($state['validation_rejected'])
            || ($state['producer_terminal_status'] ?? '') !== 'stopped'
            || ($state['persisted_run_status'] ?? '') !== 'running'
            || ($state['verification_attempts'] ?? 0) !== 2
            || count($state['submitted_attempts'] ?? []) !== 1 || !is_array($state['upstream'] ?? null)) continue;
        $matches[] = ['file' => $file, 'state' => $state];
    }
    if (count($matches) !== 1) {
        echo json_encode(['ok' => false, 'error_code' => 'ORIGINAL_SELECTOR_NOT_UNIQUE', 'candidate_count' => count($matches)]); exit;
    }
    $file = $matches[0]['file'];
    $before = hash_file('sha256', $file);
    $identity = array_intersect_key($matches[0]['state']['upstream'], array_flip(['profile', 'user', 'task_id', 'workflow_run_id', 'generation']));
    unset($matches, $state);
    $started = hrtime(true);
    $result = \app\common\service\DifyWorkflowRunStatus::lookup($identity, 1000);
    $out = ['ok' => ($result['ok'] ?? false) === true,
        'elapsed_ms' => (int) floor((hrtime(true) - $started) / 1e6),
        'original_control_unchanged' => hash_file('sha256', $file) === $before,
        'status_lookup_count' => 1];
    if ($out['ok']) $out['status'] = $result['status'];
    else $out['error_code'] = $result['error_code'] ?? 'RUN_STATUS_UNCONFIRMED';
    unset($identity, $result, $file);
    echo json_encode($out, JSON_THROW_ON_ERROR);
} catch (\Throwable $ignored) {
    echo '{"ok":false,"error_code":"ORIGINAL_STATUS_DIAGNOSTIC_FAILED"}';
}