섹션 레이아웃 및 템플릿 스타일 개선

tests/unit/sectionLayout.spec.ts

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+import { describe, it, expect } from "vitest";
+import type { SectionBlockProps } from "@/features/editor/state/editorStore";
+import { getSectionLayoutConfig } from "@/features/editor/components/PublicPageRenderer";
+
+describe("getSectionLayoutConfig", () => {
+  const baseProps: SectionBlockProps = {
+    background: "default",
+    paddingY: "md",
+    columns: [{ id: "sec_col_1", span: 12 }],
+    maxWidthMode: "normal",
+    gapX: "md",
+    alignItems: "top",
+  };
+
+  it("기본 섹션 설정에서 예상 클래스 조합을 반환해야 한다", () => {
+    const cfg = getSectionLayoutConfig(baseProps);
+
+    expect(cfg.backgroundClass).toBe("bg-slate-950");
+    expect(cfg.paddingYClass).toBe("py-12");
+    expect(cfg.maxWidthClass).toBe("max-w-5xl");
+    expect(cfg.gapXClass).toBe("gap-8");
+    expect(cfg.alignItemsClass).toBe("items-start");
+  });
+
+  it("maxWidthMode/gapX/alignItems 토큰에 따라 클래스를 변경해야 한다", () => {
+    const wideCentered: SectionBlockProps = {
+      ...baseProps,
+      maxWidthMode: "wide",
+      gapX: "lg",
+      alignItems: "center",
+    };
+
+    const narrowBottomMuted: SectionBlockProps = {
+      ...baseProps,
+      background: "muted",
+      maxWidthMode: "narrow",
+      gapX: "sm",
+      alignItems: "bottom",
+      paddingY: "sm",
+    };
+
+    const wideCfg = getSectionLayoutConfig(wideCentered);
+    expect(wideCfg.maxWidthClass).toBe("max-w-6xl");
+    expect(wideCfg.gapXClass).toBe("gap-10");
+    expect(wideCfg.alignItemsClass).toBe("items-center");
+
+    const narrowCfg = getSectionLayoutConfig(narrowBottomMuted);
+    expect(narrowCfg.backgroundClass).toBe("bg-slate-900");
+    expect(narrowCfg.maxWidthClass).toBe("max-w-3xl");
+    expect(narrowCfg.gapXClass).toBe("gap-4");
+    expect(narrowCfg.alignItemsClass).toBe("items-end");
+    expect(narrowCfg.paddingYClass).toBe("py-8");
+  });
+
+  it("primary 배경과 큰 패딩에 대해 올바른 클래스를 반환해야 한다", () => {
+    const primaryLarge: SectionBlockProps = {
+      ...baseProps,
+      background: "primary",
+      paddingY: "lg",
+    };
+
+    const cfg = getSectionLayoutConfig(primaryLarge);
+    expect(cfg.backgroundClass).toBe("bg-sky-900");
+    expect(cfg.paddingYClass).toBe("py-20");
+  });
+});