fix(api): 修复导出字段重复问题并优化本地开发配置

修复导出字段重复过滤逻辑，添加去重校验和日志记录
将API基础URL切换为本地开发环境配置

server/internal/api/exports.go

@@ -223,21 +223,33 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 			filtered = append(filtered, tf)
 		}
 	}
-    if ds == "ymt" {
-        present := map[string]bool{}
-        for _, f := range filtered {
-            present[f] = true
-        }
-        if present["merchant.name"] && present["order.merchant_name"] {
+	{
+		seen := map[string]bool{}
 		out := make([]string, 0, len(filtered))
 		for _, f := range filtered {
-                if f == "order.merchant_name" {
+			if seen[f] {
 				continue
 			}
+			seen[f] = true
 			out = append(out, f)
 		}
 		filtered = out
 	}
+	// 字段去重与校验
+	{
+		cnt := map[string]int{}
+		for _, f := range filtered {
+			cnt[f]++
+		}
+		removed := []string{}
+		for k, n := range cnt {
+			if n > 1 {
+				removed = append(removed, k)
+			}
+		}
+		if len(removed) > 0 {
+			logging.JSON("INFO", map[string]interface{}{"event": "field_dedupe", "removed": removed})
+		}
 	}
 	// relax: creator_in 非必填，若权限中提供其他边界将被合并为等值过滤
 	req := exporter.BuildRequest{MainTable: main, Datasource: ds, Fields: filtered, Filters: p.Filters}

web/config.js

@@ -1,3 +1,3 @@
-window.__API_BASE__ = 'https://ymtexporttool.cdlsxd.cn/apiv1/'
-// window.__API_BASE__ = 'http://127.0.0.1:8077'
+// window.__API_BASE__ = 'https://ymtexporttool.cdlsxd.cn/apiv1/'
+window.__API_BASE__ = 'http://127.0.0.1:8077'
 window.__ASSET_VERSION__ = window.__ASSET_VERSION__ || String(Date.now())