second commit

internal/handler/api/v1/test_helpers_auth.go

@@ -0,0 +1,25 @@
+package v1
+
+import (
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+// handlerTestResponse is a shared response struct for unmarshalling handler test JSON output.
+type handlerTestResponse struct {
+	Success bool        `json:"success"`
+	Data    interface{} `json:"data"`
+}
+
+// mockAuthMiddleware simulates auth middleware for edge-case tests.
+// Sets user_id=1 and extracts account_id from URL param.
+func mockAuthMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Set("user_id", uint(1))
+		if accID, err := strconv.ParseUint(c.Param("account_id"), 10, 32); err == nil {
+			c.Set("account_id", uint(accID))
+		}
+		c.Next()
+	}
+}