Revert "up"

This reverts commit b531188143.

api/react_message.php

@@ -10,49 +10,12 @@ $input = json_decode(file_get_contents('php://input'), true) ?: $_POST;
 $message_id = $input['message_id'] ?? null;
 $emoji = $input['emoji'] ?? null;
 
-// Helper: normalize emoji aliases (e.g., 'corazon' -> '❤️') and decode HTML entities
-function normalize_emoji($s) {
-    if (!$s) return $s;
-    // decode numeric HTML entities like ❤ etc.
-    $s = html_entity_decode($s, ENT_QUOTES | ENT_HTML5, 'UTF-8');
-    $orig = $s;
-    $s_trim = trim(mb_strtolower($s, 'UTF-8'));
-
-    $map = [
-        'corazon' => '❤️', 'heart' => '❤️', '<3' => '❤️',
-        'like' => '👍', 'thumbsup' => '👍', 'thumbs_up' => '👍', '👍' => '👍',
-        'laugh' => '😂', 'risa' => '😂', 'joy' => '😂',
-        'wow' => '😮', 'surprised' => '😮',
-        'sad' => '😢', 'triste' => '😢',
-        'clap' => '👏', 'applause' => '👏',
-        'party' => '🎉', 'celebrate' => '🎉',
-        'fire' => '🔥',
-        'pray' => '🙏', 'thanks' => '🙏'
-    ];
-
-    // If the string looks like an alias (letters, dashes, underscores, or short), map it
-    $key = preg_replace('/[^a-z0-9_\-]/u', '', $s_trim);
-    if (isset($map[$key])) return $map[$key];
-
-    // If the string itself contains an emoji (most common case), return the first emoji-like char or the original
-    // A simple heuristic: keep any non-ASCII or known emoji utf ranges
-    if (preg_match('/[\x{1F300}-\x{1F6FF}\x{1F900}-\x{1F9FF}\x{2600}-\x{26FF}\x{2700}-\x{27BF}]/u', $orig, $m)) {
-        return $m[0];
-    }
-
-    // fallback to original trimmed string
-    return trim($orig);
-}
-
 if (!$message_id || !$emoji) {
     http_response_code(400);
     echo json_encode(['success' => false, 'error' => 'Parámetros faltantes: message_id, emoji']);
     exit;
 }
 
-// Normalize emoji early
-$emoji = normalize_emoji($emoji);
-
 try {
     $db = Database::getInstance();