Rework complet du système de ticket § focntinnnement partiel

commandes/ticket/FIX_PLAN.md

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+# Fix Plan: Missing _config_roles_callback method
+
+## Problem
+The `TicketSetupView` class has a button that references `_config_roles_callback`, but this method doesn't exist. This causes an `AttributeError` when the `/ticketconfig` command is used.
+
+## Solution
+1. Add `_config_roles_callback` method to `TicketSetupView` class
+2. Create `ConfigRolesSetupView` class to handle config roles selection
+
+## Files to modify
+- `commandes/ticket/__init__.py`
+
+## Changes
+1. Add `_config_roles_callback` method in `TicketSetupView` (after `_categories_callback`)
+2. Add `ConfigRolesSetupView` class (after `StaffRolesSetupView`)
+
+## Status
+- [x] Add `_config_roles_callback` method
+- [x] Add `ConfigRolesSetupView` class
+