feat: 设置页新增模型卡片，支持为7种能力配置默认模型

src/server/db/settings.ts

@@ -26,6 +26,7 @@ export function getSettings(raw: Database): SettingsData {
     const parsed = JSON.parse(row.data) as Partial<SettingsData>;
     return {
       compact: typeof parsed.compact === "boolean" ? parsed.compact : false,
+      defaultModels: parsed.defaultModels,
       theme: parsed.theme === "dark" || parsed.theme === "light" || parsed.theme === "system" ? parsed.theme : "system",
     };
   } catch {