Fix: add phonebook_contacts to database schema and migrations; harden install script

src/PhonebookManager.php

@@ -29,6 +29,25 @@ class PhonebookManager
      */
     public static function syncExtensions(PDO $db): void
     {
+        $db->exec("
+            CREATE TABLE IF NOT EXISTS phonebook_contacts (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                extension_id INTEGER DEFAULT NULL,
+                display_name VARCHAR(128) NOT NULL,
+                internal_number VARCHAR(32) NOT NULL DEFAULT '',
+                mobile_number VARCHAR(32) NOT NULL DEFAULT '',
+                other_number VARCHAR(32) NOT NULL DEFAULT '',
+                email VARCHAR(128) NOT NULL DEFAULT '',
+                photo_url TEXT NOT NULL DEFAULT '',
+                group_name VARCHAR(64) NOT NULL DEFAULT 'Général',
+                is_internal INTEGER NOT NULL DEFAULT 1,
+                created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+            );
+            CREATE INDEX IF NOT EXISTS idx_phonebook_ext ON phonebook_contacts(extension_id);
+            CREATE INDEX IF NOT EXISTS idx_phonebook_group ON phonebook_contacts(group_name);
+        ");
+
         // 1. Récupère la cartographie des groupes d'extensions
         $egRows = $db->query("SELECT id, name, members FROM extension_groups")->fetchAll();
         $extToGroup = [];