fix: apply theme logo scale reliably

backend/bot/app/web/webapp/assets.py

@@ -1516,6 +1516,7 @@ _INITIAL_THEME_TOKEN_CSS_MAP = {
     "font_sans": "--font-sans",
     "font_logo": "--font-logo",
     "font_mono": "--font-mono",
+    "home_logo_scale": "--home-logo-scale",
     "admin_bg": "--admin-bg",
     "admin_surface": "--admin-surface",
     "admin_surface_2": "--admin-surface-2",
@@ -1570,6 +1571,14 @@ def _initial_theme_head_markup(request: web.Request, theme: Any, primary_color:
     tokens = tokens if isinstance(tokens, dict) else {}
     declarations = []
     for token_key, css_name in _INITIAL_THEME_TOKEN_CSS_MAP.items():
+        if token_key == "home_logo_scale":
+            try:
+                scale = float(tokens.get(token_key) or 0)
+            except (TypeError, ValueError):
+                continue
+            if scale > 0:
+                declarations.append(f"{css_name}:{scale / 100:g}")
+            continue
         value = str(tokens.get(token_key) or "").strip()
         if value:
             declarations.append(f"{css_name}:{value}")

frontend/src/lib/admin/stores/themesStore.js

@@ -49,7 +49,7 @@ export function createThemesStore({ api, onThemesSaved, flash, at }) {
           themesDir: data.themes_dir || s.themesDir,
         }));
         if (!silent) flash(at("themes_saved", {}, "Темы сохранены"));
-        if (typeof onThemesSaved === "function") onThemesSaved();
+        if (typeof onThemesSaved === "function") await onThemesSaved();
       } else {
         flash(data?.message || data?.error || at("themes_save_failed", {}, "Не удалось сохранить"));
       }

frontend/src/lib/components/ui/range-input.svelte

@@ -13,14 +13,25 @@
   let className = "";
   export { className as class };
 
-  $: sliderValue = Number(value ?? min ?? 0);
   $: sliderMin = min === undefined ? undefined : Number(min);
   $: sliderMax = max === undefined ? undefined : Number(max);
   $: sliderStep = step === undefined ? undefined : Number(step);
+  $: sliderValue = normalizeSliderValue(value, sliderMin ?? 0);
+
+  function normalizeSliderValue(next, fallback = 0) {
+    const raw = Array.isArray(next) ? next[0] : next;
+    const numeric = Number(raw);
+    return Number.isFinite(numeric) ? numeric : fallback;
+  }
 
   function handleValueChange(next) {
-    value = next;
-    onValueChange(next);
+    const normalized = normalizeSliderValue(next, sliderMin ?? 0);
+    value = normalized;
+    onValueChange(normalized);
+  }
+
+  function handleValueCommit(next) {
+    onValueCommit(normalizeSliderValue(next, sliderMin ?? 0));
   }
 </script>
 
@@ -33,7 +44,7 @@
   step={sliderStep}
   {disabled}
   onValueChange={handleValueChange}
-  {onValueCommit}
+  onValueCommit={handleValueCommit}
   {...$$restProps}
 >
   <Slider.Range class="ui-range-input__range" />

tests/test_webapp_assets.py

@@ -646,6 +646,7 @@ class WebAppAssetTests(unittest.IsolatedAsyncioTestCase):
     def test_initial_theme_head_markup_includes_css_and_tokens(self):
         cfg = builtin_webapp_themes_config("#123456")
         theme = cfg.theme_by_key("light")
+        theme.tokens.home_logo_scale = 135
         request = SimpleNamespace(get=lambda key, default="": "nonce-value")
 
         markup = subscription_webapp._initial_theme_head_markup(request, theme, "#123456")
@@ -653,6 +654,7 @@ class WebAppAssetTests(unittest.IsolatedAsyncioTestCase):
         self.assertIn("/webapp-theme-css/light/style.css?v=", markup)
         self.assertIn('nonce="nonce-value"', markup)
         self.assertIn("--accent:#123456", markup)
+        self.assertIn("--home-logo-scale:1.35", markup)
         self.assertIn("color-scheme:light", markup)
 
     def test_theme_asset_version_bumps_for_saved_default_css_theme(self):