feat: 统一品牌标识、关于页面三卡片布局与版本诊断功能

- 统一品牌为 Nex：侧边栏、托盘 tooltip、HTML 标题、favicon (PNG 替代 SVG) - 重构关于页面为三卡片布局（品牌/版本/链接），版本状态 Tag 绝对定位右上角 - 新增 GET /api/version 后端接口，返回 version/commit/build_time - 新增前端版本一致性诊断：匹配/不匹配/不可判断三种状态 - 同步 delta specs 到主 specs 并归档变更
2026-05-05 03:28:22 +08:00
parent 9e33e570af
commit 8eea30ea11
42 changed files with 1316 additions and 111 deletions
--- a/backend/cmd/desktop/routes_test.go
+++ b/backend/cmd/desktop/routes_test.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"testing/fstest"
+
+	"nex/backend/internal/handler"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestSetupRoutes_VersionDoesNotFallback(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	r := gin.New()
+	setupRoutes(r, &handler.ProxyHandler{}, &handler.ProviderHandler{}, &handler.ModelHandler{}, &handler.StatsHandler{}, handler.NewVersionHandler())
+	setupStaticFilesWithFS(r, fstest.MapFS{
+		"index.html": {Data: []byte("<html>fallback</html>")},
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/api/version", nil)
+	w := httptest.NewRecorder()
+	r.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("status = %d, want %d", w.Code, http.StatusOK)
+	}
+	if contentType := w.Header().Get("Content-Type"); contentType == "text/html; charset=utf-8" {
+		t.Fatalf("版本接口不应返回 SPA fallback HTML")
+	}
+
+	var result map[string]string
+	if err := json.Unmarshal(w.Body.Bytes(), &result); err != nil {
+		t.Fatalf("解析响应失败: %v", err)
+	}
+	for _, key := range []string{"version", "commit", "build_time"} {
+		if result[key] == "" {
+			t.Fatalf("响应缺少 %s 字段: %#v", key, result)
+		}
+	}
+}