Initial commit: CLEO ERP avec améliorations debug

- Configuration du debug conditionnel pour dev/recette
- Fonction debug() globale avec niveaux
- Logging des requêtes SQL
- Handlers d'exceptions et d'erreurs globaux

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

models/mlogin.php

@@ -0,0 +1,44 @@
+<?php
+$aModel = array();
+
+function openSession($userdata)
+{
+  $uid = $userdata['rowid'];
+  $urole = $userdata['role'];
+
+  $sql = "DELETE FROM z_sessions WHERE fk_user=" . $uid . ";";
+  qSQL($sql, "gen");
+
+  session_regenerate_id();
+
+  if (!empty($_SERVER["HTTP_CLIENT_IP"])) {
+    $uip = $_SERVER["HTTP_CLIENT_IP"];
+  } elseif (!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) {
+    $uip = $_SERVER["HTTP_X_FORWARDED_FOR"];
+  } else {
+    $uip = $_SERVER["REMOTE_ADDR"];
+  }
+  $utime = time();
+
+  //! en session on récupère son prénom et nom, son id, son ip et son rôle
+  $_SESSION['uname'] = ucfirst($userdata["prenom"]) . " " . strtoupper($userdata["libelle"]);
+  $_SESSION['uid'] = $uid;
+  $_SESSION['urole'] = $urole;
+  $_SESSION['umodified'] = $utime;
+  $_SESSION['uip'] = $uip;
+  session_write_close();
+
+  $sql = "INSERT INTO z_sessions (sid, fk_user, role, date_modified, ip, browser) VALUES ('" . session_id() . "', " . $uid . ", '" . $urole . "', '" . date("Y-m-d H:i:s") . "', '" . $uip . "', '" . $_SERVER['HTTP_USER_AGENT'] . "');";
+  qSQL($sql, "gen");
+
+  // et on en profite pour purger les logs
+  $sql = "DELETE FROM z_logs WHERE DATEDIFF(CURDATE(), z_logs.date)>5;";
+  qSQL($sql);
+  // ainsi que les sessions qui ont une date antérieure à 1 jour
+  $sql = "DELETE FROM z_sessions WHERE DATEDIFF(CURDATE(), z_sessions.date_modified)>1;";
+  qSQL($sql, "gen");
+
+  envoieMail("support@unikoffice.com", "Ouverture de session", "Ouverture de session pour " . $uid);
+
+  return TRUE;
+}