init: hgmj server initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

common/aiService/rediskey.go

@@ -0,0 +1,20 @@
+package aiService
+
+import (
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+const (
+	aiCategoryKey         = "aiCategory:%v"
+	aiTemplateKey         = "aiTemplate:%v"
+	aiCategoryTemplateKey = "aiCategoryTemplate:%v"
+)
+
+func AiTemplateKey(id primitive.ObjectID) string {
+	return fmt.Sprintf(aiTemplateKey, id.Hex())
+}
+
+func AiCategoryKey(types int) string {
+	return fmt.Sprintf(aiCategoryKey, types)
+}