diff --git a/manyfold/cli/manyfold.sh b/manyfold/cli/manyfold.sh
index a99d2e0..9091091 100755
--- a/manyfold/cli/manyfold.sh
+++ b/manyfold/cli/manyfold.sh
@@ -211,13 +211,15 @@ start_syslog(){
 scan_libraries(){
   cd /usr/src/app
   echocolor "scanning libraries"
-  BOOT_SCAN=$BOOT_SCAN bin/manyfold libraries scan
+  BOOT_SCAN=$BOOT_SCAN flock -n /tmp/.scanlibrary bin/manyfold libraries scan
+  rm /tmp/.scanlibrary
 }
 
 scan_experience(){
+  # don't do this when all libraries are already being scanned
+  test -f /tmp/.scanlibrary && return 0
   id=$1
   cd /usr/src/app
-  # don't do this when all libraries are already being scanned
   rails_query 'Model.find('$id').add_new_files_later(include_all_subfolders:false)'
 }
 
diff --git a/manyfold/root/hook.d/experience_updated/1000-scan-dir.sh b/manyfold/root/hook.d/experience_updated/1000-scan-dir.sh
deleted file mode 100755
index ef07b66..0000000
--- a/manyfold/root/hook.d/experience_updated/1000-scan-dir.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-dir="$(dirname $1)"
-cd "$dir"
-id="$(basename "$dir" | sed 's/\#//g')"
-echo "[v] scan (new) files of model $id"
-# ratelimit
-flock -n /tmp/.scan_experience_$id /manyfold/cli/manyfold.sh scan_experience $id
-rm /tmp/.scan_experience_$id
diff --git a/manyfold/root/hook.d/experience_updated/500-mastodon-post.rb b/manyfold/root/hook.d/experience_updated/500-mastodon-post.rb
index 53f0e43..7244622 100755
--- a/manyfold/root/hook.d/experience_updated/500-mastodon-post.rb
+++ b/manyfold/root/hook.d/experience_updated/500-mastodon-post.rb
@@ -52,7 +52,10 @@ begin
 
   first_item = feed.items.first
   if first_item
-    description = CGI.unescapeHTML(first_item.description.to_s).gsub(/<[^>]*>/, '')
+    description = CGI.unescapeHTML(first_item.description.to_s)
+                  .gsub(/<[^>]*>/, '')       # remove other tags
+                  #.gsub(/<br\s*\/?>/i, "\n") # preserve linebreaks
+                  #.gsub(/<\/p>/i, "\n")      # preserve linebreaks
     description = description.length > 130 ? description = description[0,130] + " (..)" : description
   else
     XRForge.log("❌ did not find post", logfile)
diff --git a/manyfold/usr/src/app/config/initializers/xrforge.rb b/manyfold/usr/src/app/config/initializers/xrforge.rb
index e7232d3..4dae60e 100644
--- a/manyfold/usr/src/app/config/initializers/xrforge.rb
+++ b/manyfold/usr/src/app/config/initializers/xrforge.rb
@@ -34,8 +34,9 @@ Rails.application.config.to_prepare do
           puts "[app/config/initializers/xrforge.rb] running hook\n"
           Bundler.with_unbundled_env do
             #`TS_SLOTS=5 ts /manyfold/cli/manyfold.sh hook experience_updated #{file} &`
-            `/manyfold/cli/manyfold.sh hook experience_updated #{file} &`
+            `/manyfold/cli/manyfold.sh hook experience_updated #{file}`
           end
+          Model.find(self.model.id).add_new_files_later(include_all_subfolders:false)
         else
           puts "[app/config/initializers/xrforge.rb] skipping hook\n"
         end
diff --git a/manyfold/usr/src/app/config/routes.rb b/manyfold/usr/src/app/config/routes.rb
deleted file mode 100644
index b1a1e72..0000000
--- a/manyfold/usr/src/app/config/routes.rb
+++ /dev/null
@@ -1,179 +0,0 @@
-require "sidekiq/web"
-require "sidekiq/cron/web"
-require "federails"
-
-Rails.application.routes.draw do
-  get "/altcha", to: "altcha#new"
-  get ".well-known/change-password", to: redirect("/users/edit")
-  get "health" => "rails/health#show", :as => :rails_health_check
-  get "problems/index"
-
-  #if ENV['CORS_PROXY'].present?
-    match '/cors/*target_url_segment', to: 'cors_proxy#proxy', via: :all, format: false
-  #end
-
-  devise_controllers = {
-    passwords: "users/passwords",
-    registrations: "users/registrations",
-    sessions: "users/sessions"
-  }
-  devise_controllers[:omniauth_callbacks] = "users/omniauth_callbacks" if Rails.application.config.manyfold_features[:oidc]
-  devise_for :users, controllers: devise_controllers
-
-  authenticate :user, lambda { |u| u.is_administrator? } do
-    resource :settings, only: [:show, :update] do
-      collection do
-        get :analysis
-        get :downloads
-        get :multiuser
-        get :reporting
-        get :appearance
-        get :discovery
-        get :integrations
-      end
-      resources :libraries, only: [:index]
-    end
-    mount Sidekiq::Web => "/admin/sidekiq"
-    mount RailsPerformance::Engine => "/admin/performance" unless Rails.env.test? || ENV["RAILS_ASSETS_PRECOMPILE"].present?
-    mount PgHero::Engine => "/admin/pghero"
-    get "/activity" => "activity#index", :as => :activity
-  end
-
-  if SiteSettings.multiuser_enabled? || Rails.env.test?
-    authenticate :user, lambda { |u| u.is_moderator? } do
-      namespace :settings do
-        resources :users
-        resources :reports
-      end
-    end
-    if SiteSettings.federation_enabled? || Rails.env.test?
-      mount Federails::Engine => "/"
-      mount FaspClient::Engine => "/fasp"
-    end
-
-    resources :follows, only: [:index, :new]
-    get "/authorize_interaction" => "follows#new" # for compatibility with Mastodon, which assumes this URL
-
-    post "/remote_follow" => "follows#remote_follow", :as => :remote_follow
-    post "/perform_remote_follow" => "follows#perform_remote_follow", :as => :perform_remote_follow
-    post "/follow_remote_actor/:id" => "follows#follow_remote_actor", :as => :follow_remote_actor
-    delete "/follow_remote_actor/:id" => "follows#unfollow_remote_actor", :as => :unfollow_remote_actor
-  end
-
-  if SiteSettings.federation_enabled? || Rails.env.test?
-    authenticate :user, lambda { |u| u.is_moderator? } do
-      namespace :settings do
-        resources :domain_blocks if SiteSettings.federation_enabled?
-      end
-    end
-  end
-
-  root to: redirect("/models")
-  get "/about", to: "home#about", as: :about
-  resources :imports, only: [:new, :create]
-  resources :scans, only: [:create]
-
-  authenticate :user do
-    get "/welcome", to: "home#welcome", as: :welcome
-  end
-
-  resources :libraries, except: [:index]
-
-  concern :followable do |options|
-    if SiteSettings.multiuser_enabled?
-      resources :follows, {only: [:create]}.merge(options) do
-        collection do
-          delete "/", action: "destroy"
-        end
-      end
-    end
-  end
-
-  concern :commentable do |options|
-    resources :comments, {only: [:show]}.merge(options)
-  end
-  concern :reportable do |options|
-    resources :reports, {only: [:new, :create]}.merge(options)
-  end
-  concern :linkable do
-    member do
-      post :sync
-    end
-  end
-
-  resources :models do
-    concerns :followable, followable_class: "Model"
-    concerns :commentable, commentable_class: "Model"
-    concerns :reportable, reportable_class: "Model"
-    concerns :linkable
-    member do
-      post "scan"
-    end
-    collection do
-      post "merge"
-      get "merge", action: "configure_merge", as: "configure_merge"
-      get "edit", action: "bulk_edit"
-      patch "/update", action: "bulk_update"
-    end
-    resources :model_files, except: [:index, :new] do
-      collection do
-        get "bulk_edit"
-        patch "bulk_update"
-      end
-    end
-  end
-  resources :creators do
-    concerns :followable, followable_class: "Creator"
-    concerns :commentable, commentable_class: "Creator"
-    concerns :reportable, reportable_class: "Creator"
-    concerns :linkable
-    member do
-      get :avatar
-      get :banner
-    end
-  end
-  resources :collections do
-    concerns :followable, followable_class: "Collection"
-    concerns :commentable, commentable_class: "Collection"
-    concerns :reportable, reportable_class: "Collection"
-    concerns :linkable
-  end
-  resources :problems, only: [:index, :update] do
-    collection do
-      post "resolve", action: "resolve"
-    end
-    member do
-      post "resolve"
-    end
-  end
-  resources :benchmark, only: [:index, :create, :destroy] if Rails.env.development?
-
-  authenticate :user, lambda { |u| u.is_contributor? } do
-    mount Tus::Server => "/upload", :as => :upload
-  end
-
-  get("/oembed", to: redirect(status: 303) { |_, request|
-    path = URI.parse(request.params[:url])&.path
-    raise ActionController::BadRequest if path.blank?
-    URI::HTTP.build(path: path + ".oembed", query: {
-      maxwidth: request.params[:maxwidth],
-      maxheight: request.params[:maxheight]
-    }.compact.to_query)
-  })
-
-  mount Rswag::Ui::Engine => "/api", :as => :api
-  mount Rswag::Api::Engine => "/api"
-
-  use_doorkeeper do
-    skip_controllers :applications
-  end
-  resources :doorkeeper_applications, path: "/oauth/applications"
-
-  # Fallback route for filename matching
-  get "/models/:model_id/model_files/*id" => "model_files#show", :as => "model_model_file_by_filename"
-
-  # Web crawler stuff
-  get "/robots", to: "robots#index"
-  get "/sitemap", to: "robots#sitemap"
-end
-