feat(jitsi): video meetings — /api/jitsi/token route + jitsi-meet plugin + feature gate

lib/admin/bundled-plugins.ts

@@ -75,6 +75,9 @@ const FIRST_PARTY_PLUGINS: FirstPartyPlugin[] = [
   // webmail; this plugin adds a "User management" Settings entry that opens
   // the directory's user list. Force-enabled so it is always present.
   { id: 'manage-users', gate: 'manageUsersEnabled', forceEnable: true },
+  // SRC video meetings (VNCtalk / Jitsi). "Start a meeting" asks the server
+  // for a signed JWT and opens the room in meet.src-advisory.com.
+  { id: 'jitsi-meet', gate: 'jitsiMeetEnabled', forceEnable: true },
 ];
 
 const ID_RE = /^[a-z0-9][a-z0-9-]*[a-z0-9]$/;

lib/admin/types.ts

@@ -56,6 +56,7 @@ export interface FeatureGates {
   calendarTasksEnabled: boolean;
   smimeEnabled: boolean;
   manageUsersEnabled: boolean;
+  jitsiMeetEnabled: boolean;
   externalContentEnabled: boolean;
   debugModeEnabled: boolean;
   folderIconsEnabled: boolean;
@@ -92,6 +93,7 @@ export const DEFAULT_FEATURE_GATES: FeatureGates = {
   calendarTasksEnabled: true,
   smimeEnabled: true,
   manageUsersEnabled: true,
+  jitsiMeetEnabled: true,
   externalContentEnabled: true,
   debugModeEnabled: true,
   folderIconsEnabled: true,