DUNGEONS-30: add access gateway with Telegram and Discord approvals

Co-authored-by: multica-agent <github@multica.ai>

scripts/revoke-sessions.js

@@ -0,0 +1,22 @@
+import 'dotenv/config';
+import { loadConfig } from '../src/config.js';
+import { AccessStore } from '../src/store.js';
+
+const [platform, userId] = process.argv.slice(2);
+if (!['telegram', 'discord'].includes(platform) || !/^\d+$/.test(userId || '')) {
+  console.error('Stop the gateway first, then run: npm run sessions:revoke -- telegram|discord USER_ID');
+  process.exitCode = 1;
+} else {
+  let store;
+  try {
+    store = new AccessStore(loadConfig());
+    store.change(state => {
+      state.sessions = state.sessions.filter(s => s.platform !== platform || s.userId !== userId);
+      for (const request of state.requests) {
+        if (request.platform === platform && request.user_id === userId) { request.status = 'revoked'; delete request.codeHash; }
+      }
+    });
+    console.log('Access numbers, pending requests and sessions revoked for the specified user. Restart the gateway.');
+  } catch (error) { console.error(error.message); process.exitCode = 1; }
+  finally { store?.close(); }
+}