Marketing Hub: RBAC, i18n (AR/EN), tasks overhaul, team/user merge, tutorial

Features:
- Full RBAC with 3 roles (superadmin/manager/contributor)
- Ownership tracking on posts, tasks, campaigns, projects
- Task system: assign to anyone, filter combobox, visibility scoping
- Team members merged into users table (single source of truth)
- Post thumbnails on kanban cards from attachments
- Publication link validation before publishing
- Interactive onboarding tutorial with Settings restart
- Full Arabic/English i18n with RTL layout support
- Language toggle in sidebar, IBM Plex Sans Arabic font
- Brand-based visibility filtering for non-superadmins
- Manager can only create contributors
- Profile completion flow for new users
- Cookie-based sessions (express-session + SQLite)

server/node_modules/gauge/lib/wide-truncate.js

@@ -0,0 +1,31 @@
+'use strict'
+var stringWidth = require('string-width')
+var stripAnsi = require('strip-ansi')
+
+module.exports = wideTruncate
+
+function wideTruncate (str, target) {
+  if (stringWidth(str) === 0) {
+    return str
+  }
+  if (target <= 0) {
+    return ''
+  }
+  if (stringWidth(str) <= target) {
+    return str
+  }
+
+  // We compute the number of bytes of ansi sequences here and add
+  // that to our initial truncation to ensure that we don't slice one
+  // that we want to keep in half.
+  var noAnsi = stripAnsi(str)
+  var ansiSize = str.length + noAnsi.length
+  var truncated = str.slice(0, target + ansiSize)
+
+  // we have to shrink the result to account for our ansi sequence buffer
+  // (if an ansi sequence was truncated) and double width characters.
+  while (stringWidth(truncated) > target) {
+    truncated = truncated.slice(0, -1)
+  }
+  return truncated
+}