diff --git a/backend/bot/app/web/themes/ascii/style.css b/backend/bot/app/web/themes/ascii/style.css
index beae129..c944651 100644
--- a/backend/bot/app/web/themes/ascii/style.css
+++ b/backend/bot/app/web/themes/ascii/style.css
@@ -149,6 +149,12 @@
 .theme-key-ascii .ticket-message-avatar,
 .theme-key-ascii .ticket-message-bubble,
 .theme-key-ascii .ticket-composer,
+.theme-key-ascii .install-platform-trigger,
+.theme-key-ascii .install-app-button,
+.theme-key-ascii .install-step,
+.theme-key-ascii .install-subscription-card,
+.theme-key-ascii .install-qr-wrap,
+.theme-key-ascii .install-loading,
 .theme-key-ascii .admin-sidebar,
 .theme-key-ascii .admin-header,
 .theme-key-ascii .admin-card,
@@ -183,6 +189,8 @@
 .theme-key-ascii .support-new-ticket-button,
 .theme-key-ascii .support-select-trigger,
 .theme-key-ascii .support-status-tabs-trigger,
+.theme-key-ascii .install-platform-trigger,
+.theme-key-ascii .install-app-button,
 .theme-key-ascii .admin-btn,
 .theme-key-ascii .admin-chip,
 .theme-key-ascii .admin-tabs-trigger,
@@ -230,6 +238,7 @@
 .theme-key-ascii .support-status-tabs-trigger[data-state="active"],
 .theme-key-ascii .support-select-item[data-highlighted],
 .theme-key-ascii .support-select-item[data-selected],
+.theme-key-ascii .install-app-button.active,
 .theme-key-ascii .admin-nav-item.active,
 .theme-key-ascii .admin-tabs-trigger[data-state="active"],
 .theme-key-ascii .admin-revenue-period-btn.is-active {
@@ -259,6 +268,9 @@
 .theme-key-ascii .admin-revenue-period-btn:focus-visible,
 .theme-key-ascii .admin-mobile-toggle:focus-visible,
 .theme-key-ascii .language-select-trigger:focus-visible,
+.theme-key-ascii .install-platform-trigger:focus-visible,
+.theme-key-ascii .install-platform-trigger[data-state="open"],
+.theme-key-ascii .install-app-button:focus-visible,
 .theme-key-ascii .bottom-nav button:focus-visible {
   outline: 2px solid #ffffff;
   outline-offset: 1px;
@@ -412,6 +424,7 @@
 }
 
 body:has(.theme-key-ascii) .support-select-content,
+body:has(.theme-key-ascii) .install-platform-content,
 body:has(.theme-key-ascii) .field-error-tooltip {
   border: 1px solid #ffffff;
   border-radius: 0;
@@ -420,19 +433,24 @@ body:has(.theme-key-ascii) .field-error-tooltip {
   box-shadow: 0 0 0 1px #ffffff;
 }
 
-body:has(.theme-key-ascii) .support-select-item {
+body:has(.theme-key-ascii) .support-select-item,
+body:has(.theme-key-ascii) .install-platform-item {
   border-radius: 0;
   color: #ffffff;
 }
 
 body:has(.theme-key-ascii) .support-select-item[data-highlighted],
-body:has(.theme-key-ascii) .support-select-item[data-selected] {
+body:has(.theme-key-ascii) .support-select-item[data-selected],
+body:has(.theme-key-ascii) .install-platform-item[data-highlighted],
+body:has(.theme-key-ascii) .install-platform-item[data-selected] {
   background: #ffffff;
   color: #000000 !important;
 }
 
 body:has(.theme-key-ascii) .support-select-item[data-highlighted] svg,
-body:has(.theme-key-ascii) .support-select-item[data-selected] svg {
+body:has(.theme-key-ascii) .support-select-item[data-selected] svg,
+body:has(.theme-key-ascii) .install-platform-item[data-highlighted] svg,
+body:has(.theme-key-ascii) .install-platform-item[data-selected] svg {
   color: #000000 !important;
   stroke: #000000 !important;
 }
@@ -695,7 +713,8 @@ body:has(.theme-key-ascii) .support-select-item[data-selected] svg {
 .theme-key-ascii .admin-btn-primary svg.lucide,
 .theme-key-ascii .admin-nav-item.active svg.lucide,
 .theme-key-ascii .admin-tabs-trigger[data-state="active"] svg.lucide,
-.theme-key-ascii .admin-revenue-period-btn.is-active svg.lucide {
+.theme-key-ascii .admin-revenue-period-btn.is-active svg.lucide,
+.theme-key-ascii .install-app-button.active svg.lucide {
   color: #000000 !important;
   stroke: #000000 !important;
 }
@@ -1050,6 +1069,9 @@ body:has(.theme-key-ascii) .support-select-item[data-selected] svg {
   .language-select-content, .language-select-item,
   .language-select-trigger, .bottom-nav, .bottom-nav button,
   .link-button,
+  .install-platform-trigger, .install-platform-content, .install-platform-item,
+  .install-app-button, .install-step, .install-subscription-card,
+  .install-qr-wrap, .install-subscription-header-icon, .install-loading,
   .support-overview-card, .support-list-card, .support-ticket-card,
   .support-conversation-card, .support-new-ticket-button,
   .support-create-panel, .support-select-trigger, .support-select-content,
@@ -1083,6 +1105,9 @@ body:has(.theme-key-ascii) .support-select-item[data-selected] svg {
   .admin-tariff-card, .admin-toolbar-card, .admin-table-card,
   .admin-panel-dash-card,
   .admin-select-trigger, .admin-select-content,
+  .install-platform-trigger, .install-platform-content,
+  .install-app-button, .install-step, .install-subscription-card,
+  .install-qr-wrap, .install-loading,
   .admin-cn-card,
   .admin-input, .admin-textarea, .admin-btn,
   .admin-nav-item, .admin-tabs-trigger
@@ -1096,6 +1121,71 @@ body:has(.theme-key-ascii) .support-select-item[data-selected] svg {
   border-radius: 0 !important;
 }
 
+/* ---------- Install guide theme surfaces ---------- */
+
+.theme-key-ascii .install-platform-trigger,
+.theme-key-ascii .install-app-button,
+.theme-key-ascii .install-step,
+.theme-key-ascii .install-subscription-card,
+.theme-key-ascii .install-qr-wrap,
+.theme-key-ascii .install-loading,
+body:has(.theme-key-ascii) .install-platform-content {
+  border: 1px solid #ffffff !important;
+  border-radius: 0 !important;
+  background: #000000 !important;
+  box-shadow: none !important;
+}
+
+.theme-key-ascii .install-platform-trigger:hover,
+.theme-key-ascii .install-app-button:hover:not(:disabled) {
+  background: #ffffff !important;
+  color: #000000 !important;
+  transform: none !important;
+}
+
+.theme-key-ascii .install-app-button.active,
+.theme-key-ascii .install-app-button.active:hover:not(:disabled),
+body:has(.theme-key-ascii) .install-platform-item[data-highlighted],
+body:has(.theme-key-ascii) .install-platform-item[data-selected] {
+  background: #ffffff !important;
+  color: #000000 !important;
+  border-color: #ffffff !important;
+}
+
+.theme-key-ascii .install-app-button.active svg,
+body:has(.theme-key-ascii) .install-platform-item[data-highlighted] svg,
+body:has(.theme-key-ascii) .install-platform-item[data-selected] svg {
+  color: #000000 !important;
+  stroke: #000000 !important;
+}
+
+.theme-key-ascii .install-step:hover,
+.theme-key-ascii .install-subscription-card:hover {
+  transform: none !important;
+  box-shadow: none !important;
+}
+
+.theme-key-ascii .install-step-icon,
+.theme-key-ascii .install-subscription-header-icon {
+  border: 1px solid currentColor !important;
+  background: #000000 !important;
+  color: #ffffff !important;
+}
+
+.theme-key-ascii .install-qr-divider {
+  color: #ffffff !important;
+  opacity: 0.72;
+}
+
+.theme-key-ascii .install-feature-star.attention-dot {
+  background: #ffffff !important;
+  animation: ascii-caret 1s steps(1) infinite !important;
+}
+
+.theme-key-ascii .install-loading .ui-spinner {
+  color: #ffffff;
+}
+
 /* ============================================================
  * Console-style tables: cell borders, header underline,
  * row separator using dashed line.
diff --git a/backend/bot/app/web/themes/ascii/theme.json b/backend/bot/app/web/themes/ascii/theme.json
index 268715e..6880a94 100644
--- a/backend/bot/app/web/themes/ascii/theme.json
+++ b/backend/bot/app/web/themes/ascii/theme.json
@@ -9,7 +9,7 @@
   "use_primary_accent": false,
   "use_in_admin": true,
   "css_file": "style.css",
-  "assets_version": 3,
+  "assets_version": 4,
   "tokens": {
     "color_scheme": "dark",
     "style_preset": "ascii"
diff --git a/backend/bot/app/web/themes/light/style.css b/backend/bot/app/web/themes/light/style.css
index 25f6148..80461d2 100644
--- a/backend/bot/app/web/themes/light/style.css
+++ b/backend/bot/app/web/themes/light/style.css
@@ -129,3 +129,57 @@
 .theme-key-light .bonus-card-head > svg {
   color: color-mix(in srgb, var(--accent) 50%, #000000);
 }
+
+/* Install guide theme surfaces */
+
+.theme-key-light .install-platform-trigger,
+.theme-key-light .install-app-button,
+.theme-key-light .install-step,
+.theme-key-light .install-subscription-card,
+.theme-key-light .install-qr-wrap {
+  background: #ffffff;
+  border-color: rgba(15, 23, 42, 0.12);
+  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.055);
+}
+
+.theme-key-light .install-app-button.active {
+  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
+  background: color-mix(in srgb, var(--accent) 8%, #ffffff);
+  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
+}
+
+.theme-key-light .install-platform-trigger:focus-visible,
+.theme-key-light .install-platform-trigger[data-state="open"],
+.theme-key-light .install-app-button:focus-visible {
+  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
+  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
+}
+
+body:has(.theme-key-light) .install-platform-content {
+  background: #ffffff;
+  border-color: rgba(15, 23, 42, 0.14);
+  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
+}
+
+body:has(.theme-key-light) .install-platform-item[data-highlighted],
+body:has(.theme-key-light) .install-platform-item[data-selected] {
+  background: color-mix(in srgb, var(--accent) 9%, #ffffff);
+}
+
+.theme-key-light .install-step-icon,
+.theme-key-light .install-subscription-header-icon {
+  background: color-mix(in srgb, var(--accent) 8%, #ffffff);
+  color: color-mix(in srgb, var(--accent) 55%, #000000);
+}
+
+.theme-key-light .install-qr-divider {
+  color: rgba(15, 23, 42, 0.24);
+}
+
+.theme-key-light .install-feature-star.attention-dot {
+  background: #f59e0b;
+}
+
+.theme-key-light .install-loading .ui-spinner {
+  color: color-mix(in srgb, var(--accent) 55%, #000000);
+}
diff --git a/backend/bot/app/web/themes/light/theme.json b/backend/bot/app/web/themes/light/theme.json
index 9713516..175060f 100644
--- a/backend/bot/app/web/themes/light/theme.json
+++ b/backend/bot/app/web/themes/light/theme.json
@@ -9,7 +9,7 @@
   "use_primary_accent": true,
   "use_in_admin": true,
   "css_file": "style.css",
-  "assets_version": 2,
+  "assets_version": 3,
   "tokens": {
     "color_scheme": "light"
   }
diff --git a/backend/bot/app/web/themes/windows95/style.css b/backend/bot/app/web/themes/windows95/style.css
index f15f934..974d571 100644
--- a/backend/bot/app/web/themes/windows95/style.css
+++ b/backend/bot/app/web/themes/windows95/style.css
@@ -138,12 +138,15 @@
 .theme-key-windows95 svg.lucide-megaphone,
 .theme-key-windows95 svg.lucide-message-square,
 .theme-key-windows95 svg.lucide-message-square-plus,
+.theme-key-windows95 svg.lucide-monitor,
 .theme-key-windows95 svg.lucide-paintbrush,
 .theme-key-windows95 svg.lucide-plus,
+.theme-key-windows95 svg.lucide-qr-code,
 .theme-key-windows95 svg.lucide-refresh-cw,
 .theme-key-windows95 svg.lucide-save,
 .theme-key-windows95 svg.lucide-search,
 .theme-key-windows95 svg.lucide-send,
+.theme-key-windows95 svg.lucide-share-2,
 .theme-key-windows95 svg.lucide-settings,
 .theme-key-windows95 svg.lucide-shield,
 .theme-key-windows95 svg.lucide-sliders,
@@ -273,6 +276,10 @@
   --win95-button-icon: var(--win95-icon-send);
 }
 
+.theme-key-windows95 svg.lucide-monitor {
+  --win95-button-icon: var(--win95-icon-dashboard);
+}
+
 .theme-key-windows95 svg.lucide-paintbrush {
   --win95-button-icon: var(--win95-icon-paintbrush);
 }
@@ -281,6 +288,10 @@
   --win95-button-icon: var(--win95-icon-folder);
 }
 
+.theme-key-windows95 svg.lucide-qr-code {
+  --win95-button-icon: var(--win95-icon-key);
+}
+
 .theme-key-windows95 svg.lucide-refresh-cw {
   --win95-button-icon: var(--win95-icon-refresh);
 }
@@ -293,6 +304,10 @@
   --win95-button-icon: var(--win95-icon-search);
 }
 
+.theme-key-windows95 svg.lucide-share-2 {
+  --win95-button-icon: var(--win95-icon-send);
+}
+
 .theme-key-windows95 svg.lucide-settings {
   --win95-button-icon: var(--win95-icon-settings);
 }
@@ -371,12 +386,15 @@
   svg.lucide-megaphone,
   svg.lucide-message-square,
   svg.lucide-message-square-plus,
+  svg.lucide-monitor,
   svg.lucide-paintbrush,
   svg.lucide-plus,
+  svg.lucide-qr-code,
   svg.lucide-refresh-cw,
   svg.lucide-save,
   svg.lucide-search,
   svg.lucide-send,
+  svg.lucide-share-2,
   svg.lucide-settings,
   svg.lucide-shield,
   svg.lucide-sliders,
@@ -425,12 +443,15 @@
   svg.lucide-megaphone,
   svg.lucide-message-square,
   svg.lucide-message-square-plus,
+  svg.lucide-monitor,
   svg.lucide-paintbrush,
   svg.lucide-plus,
+  svg.lucide-qr-code,
   svg.lucide-refresh-cw,
   svg.lucide-save,
   svg.lucide-search,
   svg.lucide-send,
+  svg.lucide-share-2,
   svg.lucide-settings,
   svg.lucide-shield,
   svg.lucide-sliders,
@@ -488,7 +509,13 @@
 .theme-key-windows95 .support-message-scroll,
 .theme-key-windows95 .ticket-message-avatar,
 .theme-key-windows95 .ticket-message-bubble,
-.theme-key-windows95 .ticket-composer {
+.theme-key-windows95 .ticket-composer,
+.theme-key-windows95 .install-platform-trigger,
+.theme-key-windows95 .install-app-button,
+.theme-key-windows95 .install-step,
+.theme-key-windows95 .install-subscription-card,
+.theme-key-windows95 .install-qr-wrap,
+.theme-key-windows95 .install-loading {
   border-width: 2px;
   border-style: solid;
   border-color: #ffffff #404040 #404040 #ffffff;
@@ -510,6 +537,7 @@
 
 body:has(.theme-key-windows95) .language-select-content,
 body:has(.theme-key-windows95) .support-select-content,
+body:has(.theme-key-windows95) .install-platform-content,
 body:has(.theme-key-windows95) .field-error-tooltip,
 body:has(.theme-key-windows95) .admin-select-content {
   border-width: 2px;
@@ -525,18 +553,23 @@ body:has(.theme-key-windows95) .admin-select-content {
 
 body:has(.theme-key-windows95) .language-select-item,
 body:has(.theme-key-windows95) .support-select-item,
+body:has(.theme-key-windows95) .install-platform-item,
 body:has(.theme-key-windows95) .admin-select-item {
   border-radius: 0 !important;
 }
 
 body:has(.theme-key-windows95) .support-select-item[data-highlighted],
-body:has(.theme-key-windows95) .support-select-item[data-selected] {
+body:has(.theme-key-windows95) .support-select-item[data-selected],
+body:has(.theme-key-windows95) .install-platform-item[data-highlighted],
+body:has(.theme-key-windows95) .install-platform-item[data-selected] {
   background: #000080;
   color: #ffffff !important;
 }
 
 body:has(.theme-key-windows95) .support-select-item[data-highlighted] svg,
-body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
+body:has(.theme-key-windows95) .support-select-item[data-selected] svg,
+body:has(.theme-key-windows95) .install-platform-item[data-highlighted] svg,
+body:has(.theme-key-windows95) .install-platform-item[data-selected] svg {
   filter: brightness(0) invert(1);
 }
 
@@ -560,7 +593,9 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 .theme-key-windows95 .link-button,
 .theme-key-windows95 .support-new-ticket-button,
 .theme-key-windows95 .support-select-trigger,
-.theme-key-windows95 .support-status-tabs-trigger {
+.theme-key-windows95 .support-status-tabs-trigger,
+.theme-key-windows95 .install-platform-trigger,
+.theme-key-windows95 .install-app-button {
   min-height: 34px;
   border: 2px solid;
   border-color: #ffffff #404040 #404040 #ffffff;
@@ -625,7 +660,8 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 .theme-key-windows95 .support-new-ticket-button.active,
 .theme-key-windows95 .support-status-tabs-trigger[data-state="active"],
 .theme-key-windows95 .support-select-item[data-highlighted],
-.theme-key-windows95 .support-select-item[data-selected] {
+.theme-key-windows95 .support-select-item[data-selected],
+.theme-key-windows95 .install-app-button.active {
   background: var(--accent);
   color: #ffffff;
 }
@@ -718,6 +754,9 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 
 .theme-key-windows95 .ticket-composer:focus-within,
 .theme-key-windows95 .support-select-trigger:focus-visible,
+.theme-key-windows95 .install-platform-trigger:focus-visible,
+.theme-key-windows95 .install-platform-trigger[data-state="open"],
+.theme-key-windows95 .install-app-button:focus-visible,
 .theme-key-windows95 .ticket-card:focus-visible,
 .theme-key-windows95 .support-status-tabs-trigger:focus-visible {
   outline: 1px dotted #000000;
@@ -731,6 +770,85 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
   transition: none;
 }
 
+/* ---------- Install guide theme surfaces ---------- */
+
+.theme-key-windows95 .install-platform-trigger,
+.theme-key-windows95 .install-app-button {
+  background: #c0c0c0;
+  color: #000000;
+  transition: none;
+  transform: none;
+}
+
+.theme-key-windows95 .install-platform-trigger:hover,
+.theme-key-windows95 .install-app-button:hover:not(:disabled):not(.active) {
+  background: #dfdfdf;
+  transform: none;
+}
+
+.theme-key-windows95 .install-app-button.active,
+.theme-key-windows95 .install-app-button.active:hover:not(:disabled) {
+  background: var(--accent);
+  color: #ffffff;
+  border-color: #404040 #ffffff #ffffff #404040;
+  box-shadow:
+    inset 1px 1px 0 #000000,
+    inset -1px -1px 0 #dfdfdf;
+  transform: none;
+}
+
+.theme-key-windows95 .install-step,
+.theme-key-windows95 .install-subscription-card,
+.theme-key-windows95 .install-qr-wrap,
+.theme-key-windows95 .install-loading {
+  background: #c0c0c0;
+  transition: none;
+}
+
+.theme-key-windows95 .install-step:hover,
+.theme-key-windows95 .install-subscription-card:hover {
+  transform: none;
+  box-shadow:
+    inset 1px 1px 0 #dfdfdf,
+    inset -1px -1px 0 #808080;
+}
+
+.theme-key-windows95 .install-step-icon,
+.theme-key-windows95 .install-subscription-header-icon {
+  border: 2px solid;
+  border-color: #ffffff #404040 #404040 #ffffff;
+  background: #dfdfdf;
+  color: var(--accent);
+  box-shadow:
+    inset 1px 1px 0 #ffffff,
+    inset -1px -1px 0 #808080;
+}
+
+body:has(.theme-key-windows95) .install-platform-content {
+  background: #c0c0c0;
+}
+
+body:has(.theme-key-windows95) .install-platform-item[data-highlighted],
+body:has(.theme-key-windows95) .install-platform-item[data-selected] {
+  background: var(--accent);
+  color: #ffffff !important;
+}
+
+.theme-key-windows95 .install-qr-divider {
+  color: #404040;
+  opacity: 1;
+}
+
+.theme-key-windows95 .install-feature-star.attention-dot {
+  background: #ffff00 !important;
+  border: 1px solid #000000;
+  box-shadow: 1px 1px 0 #000000;
+}
+
+.theme-key-windows95 .install-loading .ui-spinner {
+  color: var(--accent);
+}
+
 .theme-key-windows95 .card-heading-accent,
 .theme-key-windows95 .brand-row strong,
 .theme-key-windows95 .login-brand h1,
@@ -1059,6 +1177,9 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 .theme-key-windows95 .admin-revenue-period-btn:focus-visible,
 .theme-key-windows95 .admin-mobile-toggle:focus-visible,
 .theme-key-windows95 .language-select-trigger:focus-visible,
+.theme-key-windows95 .install-platform-trigger:focus-visible,
+.theme-key-windows95 .install-platform-trigger[data-state="open"],
+.theme-key-windows95 .install-app-button:focus-visible,
 .theme-key-windows95 .bottom-nav button:focus-visible {
   outline: 1px dotted #000000;
   outline-offset: -4px;
@@ -1116,6 +1237,7 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 .theme-key-windows95 .admin-nav-item.active svg.lucide,
 .theme-key-windows95 .admin-tabs-trigger[data-state="active"] svg.lucide,
 .theme-key-windows95 .admin-revenue-period-btn.is-active svg.lucide,
+.theme-key-windows95 .install-app-button.active svg.lucide,
 .theme-key-windows95 .admin-header svg.lucide {
   filter: brightness(0) invert(1);
 }
@@ -1133,7 +1255,6 @@ body:has(.theme-key-windows95) .support-select-item[data-selected] svg {
 .theme-key-windows95 svg.lucide-map,
 .theme-key-windows95 svg.lucide-menu,
 .theme-key-windows95 svg.lucide-mouse-pointer-click,
-.theme-key-windows95 svg.lucide-qr-code,
 .theme-key-windows95 svg.lucide-radio,
 .theme-key-windows95 svg.lucide-repeat-2,
 .theme-key-windows95 svg.lucide-server,
diff --git a/backend/bot/app/web/themes/windows95/theme.json b/backend/bot/app/web/themes/windows95/theme.json
index 2ada36a..ab765c2 100644
--- a/backend/bot/app/web/themes/windows95/theme.json
+++ b/backend/bot/app/web/themes/windows95/theme.json
@@ -9,7 +9,7 @@
   "use_primary_accent": false,
   "use_in_admin": true,
   "css_file": "style.css",
-  "assets_version": 9,
+  "assets_version": 11,
   "tokens": {
     "color_scheme": "light",
     "style_preset": "win95"
diff --git a/backend/config/webapp_themes_config.py b/backend/config/webapp_themes_config.py
index ee5acb5..243697b 100644
--- a/backend/config/webapp_themes_config.py
+++ b/backend/config/webapp_themes_config.py
@@ -365,7 +365,11 @@ def _builtin_theme_assets_need_refresh(key: str, target_dir: Path) -> bool:
     except OSError:
         return True
     if key == "light":
-        return "--success-text" not in style or ".theme-key-light.app-shell" not in style
+        return (
+            "--success-text" not in style
+            or ".theme-key-light.app-shell" not in style
+            or "Install guide theme surfaces" not in style
+        )
     if key == "ascii":
         return (
             ".theme-key-ascii" not in style
@@ -374,6 +378,7 @@ def _builtin_theme_assets_need_refresh(key: str, target_dir: Path) -> bool:
             or "ascii-boot-type" not in style
             or "Console-style tables" not in style
             or "New webapp surfaces: support, purchase info, password login" not in style
+            or "Install guide theme surfaces" not in style
         )
     if key != "windows95":
         return False
@@ -394,7 +399,9 @@ def _builtin_theme_assets_need_refresh(key: str, target_dir: Path) -> bool:
         or "::-webkit-slider-thumb" not in style
         or "?v=9" not in style
         or "lucide-life-buoy" not in style
+        or "lucide-qr-code" not in style
         or "New webapp surfaces: support, purchase info, password login" not in style
+        or "Install guide theme surfaces" not in style
         or any(not (target_dir / "icons" / icon).exists() for icon in required_icons)
     )
 
diff --git a/tests/test_webapp_themes_config.py b/tests/test_webapp_themes_config.py
index c89e449..df33e84 100644
--- a/tests/test_webapp_themes_config.py
+++ b/tests/test_webapp_themes_config.py
@@ -33,13 +33,14 @@ class WebappThemesConfigTests(unittest.TestCase):
         self.assertEqual(win95.tokens.style_preset, "win95")
         self.assertFalse(win95.use_primary_accent)
         self.assertTrue(win95.use_in_admin)
-        self.assertEqual(win95.assets_version, 9)
+        self.assertEqual(win95.assets_version, 11)
+        self.assertEqual(cfg.theme_by_key("light").assets_version, 3)
         ascii_theme = cfg.theme_by_key("ascii")
         self.assertIsNotNone(ascii_theme)
         self.assertEqual(ascii_theme.css_file, "style.css")
         self.assertFalse(ascii_theme.use_primary_accent)
         self.assertTrue(ascii_theme.use_in_admin)
-        self.assertEqual(ascii_theme.assets_version, 3)
+        self.assertEqual(ascii_theme.assets_version, 4)
 
     def test_env_override_default_theme(self):
         cfg = builtin_webapp_themes_config("#00fe7a")
@@ -381,7 +382,7 @@ class WebappThemesConfigTests(unittest.TestCase):
                 descriptor["assets_version"],
                 cfg.theme_by_key("windows95").assets_version,
             )
-            self.assertEqual(descriptor["assets_version"], 9)
+            self.assertEqual(descriptor["assets_version"], 11)
             self.assertIn("lucide-house", css)
             self.assertIn("lucide-earth", css)
             self.assertIn("lucide-circle-check", css)
@@ -391,7 +392,9 @@ class WebappThemesConfigTests(unittest.TestCase):
             self.assertIn("::-webkit-slider-thumb", css)
             self.assertIn("?v=9", css)
             self.assertIn("lucide-life-buoy", css)
+            self.assertIn("lucide-qr-code", css)
             self.assertIn("New webapp surfaces: support, purchase info, password login", css)
+            self.assertIn("Install guide theme surfaces", css)
             self.assertIn(
                 ".theme-key-windows95 .support-list-card {\n    grid-template-rows: auto auto minmax(0, 1fr);",
                 css,
@@ -429,3 +432,39 @@ class WebappThemesConfigTests(unittest.TestCase):
 
             css = (stale_theme_dir / "style.css").read_text(encoding="utf-8")
             self.assertIn(".theme-key-light.app-shell", css)
+            self.assertIn("Install guide theme surfaces", css)
+
+    def test_resolved_refreshes_stale_builtin_ascii_assets(self):
+        with tempfile.TemporaryDirectory() as tmp:
+            themes_dir = Path(tmp) / "themes"
+            stale_theme_dir = themes_dir / "ascii"
+            stale_theme_dir.mkdir(parents=True)
+            (stale_theme_dir / "theme.json").write_text(
+                json.dumps(
+                    {
+                        "key": "ascii",
+                        "names": {"en": "ASCII"},
+                        "enabled": True,
+                        "default": False,
+                        "use_primary_accent": False,
+                        "css_file": "style.css",
+                        "assets_version": 1,
+                        "tokens": {"color_scheme": "dark", "style_preset": "ascii"},
+                    }
+                ),
+                encoding="utf-8",
+            )
+            (stale_theme_dir / "style.css").write_text("/* stale */", encoding="utf-8")
+
+            cfg = resolved_webapp_themes_catalog(
+                theme_dir=themes_dir,
+                primary_accent="#00fe7a",
+                env_default_theme=None,
+            )
+
+            descriptor = json.loads((stale_theme_dir / "theme.json").read_text(encoding="utf-8"))
+            css = (stale_theme_dir / "style.css").read_text(encoding="utf-8")
+            self.assertEqual(descriptor["assets_version"], cfg.theme_by_key("ascii").assets_version)
+            self.assertEqual(descriptor["assets_version"], 4)
+            self.assertIn("Console-style tables", css)
+            self.assertIn("Install guide theme surfaces", css)