<?php
header('Content-Type: application/json');

// Récupère le contenu du bloc ACTUEL dans chatbot-api
$content = file_get_contents('/var/www/weval/wevia-ia/weval-chatbot-api.php');
$start = strpos($content, 'OPUS4-AUTOWIRE-CHATBOT-v1 (17avr 02h35)');
$end = strpos($content, 'OPUS4-AUTOWIRE-CHATBOT-v1 END');
$block = $start !== false ? substr($content, $start, $end - $start) : 'MARKER NOT FOUND';

// Trouve la regex exacte
preg_match('#preg_match\("([^"]+)"#', $block, $rx_match);
$actual_regex = $rx_match[1] ?? 'NOT EXTRACTED';

// Test la regex sur le message standard
$msg = "master add intent opus4_decisive :: trigger_a :: echo hello";
$msg_lower = mb_strtolower(trim($msg));

// Test avec la regex extraite
$match1 = preg_match($actual_regex, $msg_lower, $m);

// Test avec regex explicite
$match2 = preg_match('/^\s*master\s+add\s+intent\s+([a-z0-9_]+)\s*::\s*(.+?)\s*::\s*(.+)$/i', $msg_lower, $m2);

// Test write /tmp (www-data OK)
$w = @file_put_contents('/tmp/opus4-trace.log', date('c')." regex_decisive msg_len=" . strlen($msg) . "\n", FILE_APPEND);

echo json_encode([
    'block_found' => $start !== false,
    'block_len' => strlen($block),
    'actual_regex' => substr($actual_regex, 0, 100),
    'match_actual' => $match1,
    'match_ref' => $match2,
    'captures_ref' => $m2,
    'msg_lower' => $msg_lower,
    'tmp_write' => $w,
    'php_version' => phpversion(),
], JSON_PRETTY_PRINT);