refactor: 优化卡片显示一致性与可扩展性

- 统一 Summary Cards 和 Target Cards 宽度为 280px（CSS 变量控制）
- 分组统计改为徽章展示（纯数字 + 颜色区分）
- 目标名称添加 title 属性支持显示完整名称
- 建立类型映射系统，Command 显示为 CMD，支持扩展
- 移除移动端响应式代码，简化维护
- 新增 target-type-display 能力规格
- 更新 card-dashboard 和 target-detail-modal 规格

tests/web/constants/target-type-display.test.ts

@@ -0,0 +1,39 @@
+import { describe, test, expect } from "bun:test";
+import { TARGET_TYPE_DISPLAY, getTargetTypeDisplay } from "../../../src/web/constants/target-type-display";
+
+describe("target-type-display", () => {
+  describe("TARGET_TYPE_DISPLAY 常量", () => {
+    test("定义了 http 类型映射", () => {
+      expect(TARGET_TYPE_DISPLAY.http).toBe("HTTP");
+    });
+
+    test("定义了 command 类型映射", () => {
+      expect(TARGET_TYPE_DISPLAY.command).toBe("CMD");
+    });
+  });
+
+  describe("getTargetTypeDisplay 函数", () => {
+    test("http 类型返回 HTTP", () => {
+      expect(getTargetTypeDisplay("http")).toBe("HTTP");
+    });
+
+    test("command 类型返回 CMD", () => {
+      expect(getTargetTypeDisplay("command")).toBe("CMD");
+    });
+
+    test("未知类型返回大写形式", () => {
+      expect(getTargetTypeDisplay("tcp")).toBe("TCP");
+      expect(getTargetTypeDisplay("dns")).toBe("DNS");
+      expect(getTargetTypeDisplay("grpc")).toBe("GRPC");
+    });
+
+    test("空字符串返回空字符串", () => {
+      expect(getTargetTypeDisplay("")).toBe("");
+    });
+
+    test("已大写的类型保持大写", () => {
+      expect(getTargetTypeDisplay("HTTP")).toBe("HTTP");
+      expect(getTargetTypeDisplay("CMD")).toBe("CMD");
+    });
+  });
+});