Paramètres : accès API et MCP (jetons) ; documentation

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Nh6YQSjM9ni5jiTc8u5Tj1

frontend/src/SettingsDialog.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useRef, useState } from "react";
+import { ApiAccess } from "./ApiAccess";
 import { api, type Channel, type Settings, type Share, type UpdateStatus } from "./api";
 import { CopyIcon, TrashIcon } from "./icons";
 import { fmtExpiry } from "./ShareDialog";
@@ -260,6 +261,8 @@ export function SettingsDialog({ settings, update, focusExcalidraw, onChange, on
           )}
         </section>
 
+        <ApiAccess onError={setError} />
+
         {error && <div className="error">{error}</div>}
 
         <div className="modal-actions">