fix: restyle pager chips and restore theme ad slots

Replace the loose page-count label with a SaBlog-style 6 / 316 chip, wire inject/stylevar HTML into list and post views, and flush page cache when ads are saved.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Console/Commands/SablogImport.php

@@ -59,6 +59,7 @@ class SablogImport extends Command
         }
 
         $this->importSettings();
+        $this->importStylevars();
         $this->importCategories();
         $this->importUsers();
         $this->importPosts();
@@ -144,7 +145,7 @@ class SablogImport extends Command
      *   searchindex —— 搜索缓存，现代 SQL 全文检索足够
      *   sessions —— Laravel 原生会话
      *   statistics —— 实时统计
-     *   stylevars —— 老式广告位变量
+     *   stylevars —— 导入为当前主题的 theme_vars（广告位）
      *   seccode / 验证码 —— 由 AI 审核 + 蜜罐 + 频控取代
      */
     private function importSettings(): void
@@ -182,6 +183,34 @@ class SablogImport extends Command
         $this->report['settings'] = $count;
     }
 
+    private function importStylevars(): void
+    {
+        if (! $this->hasTable('stylevars')) {
+            return;
+        }
+
+        $vars = [];
+        foreach ($this->rows('stylevars') as $row) {
+            $name = (string) ($row['title'] ?? $row['variable'] ?? $row['name'] ?? '');
+            $value = (string) ($row['value'] ?? $row['content'] ?? '');
+            if ($name === '' || $value === '') {
+                continue;
+            }
+            $vars[$name] = $value;
+        }
+
+        if ($vars === []) {
+            return;
+        }
+
+        $theme = (string) Setting::get('active_theme', 'sablog');
+        $existing = Setting::get('theme_vars_'.$theme, []);
+        $existing = is_array($existing) ? $existing : (json_decode((string) $existing, true) ?: []);
+
+        Setting::set('theme_vars_'.$theme, array_merge($existing, $vars));
+        $this->report['stylevars'] = count($vars);
+    }
+
     private function importCategories(): void
     {
         $count = 0;