feat(catalog): 统一模型调用身份并梳理生命周期

新增官方调用名、供应商真实名、显示名和兼容别名的独立契约，调整路由、目录聚合、管理端与 OpenAPI。

增加 Gemini、Qwen、DeepSeek、Claude 和 MiniMax 生命周期迁移、别名观测及引用保护，并补充数据库与聚合测试。

apps/api/internal/httpapi/catalog_handlers.go

@@ -182,6 +182,10 @@ func (s *Server) createBaseModel(w http.ResponseWriter, r *http.Request) {
 	}
 	item, err := s.store.CreateBaseModel(r.Context(), input)
 	if err != nil {
+		if errors.Is(err, store.ErrModelAliasConflict) {
+			writeError(w, http.StatusConflict, err.Error(), "model_alias_conflict")
+			return
+		}
 		if store.IsUniqueViolation(err) {
 			writeError(w, http.StatusConflict, "canonical model key already exists")
 			return
@@ -230,6 +234,10 @@ func (s *Server) updateBaseModel(w http.ResponseWriter, r *http.Request) {
 			writeError(w, http.StatusConflict, "canonical model key already exists")
 			return
 		}
+		if errors.Is(err, store.ErrModelAliasConflict) {
+			writeError(w, http.StatusConflict, err.Error(), "model_alias_conflict")
+			return
+		}
 		s.logger.Error("update base model failed", "error", err)
 		writeError(w, http.StatusInternalServerError, "update base model failed")
 		return
@@ -301,6 +309,7 @@ func (s *Server) resetAllBaseModels(w http.ResponseWriter, r *http.Request) {
 // @Failure 401 {object} ErrorEnvelope
 // @Failure 403 {object} ErrorEnvelope
 // @Failure 404 {object} ErrorEnvelope
+// @Failure 409 {object} ErrorEnvelope
 // @Failure 500 {object} ErrorEnvelope
 // @Router /api/admin/catalog/base-models/{baseModelID} [delete]
 func (s *Server) deleteBaseModel(w http.ResponseWriter, r *http.Request) {
@@ -309,6 +318,10 @@ func (s *Server) deleteBaseModel(w http.ResponseWriter, r *http.Request) {
 			writeError(w, http.StatusNotFound, "base model not found")
 			return
 		}
+		if errors.Is(err, store.ErrBaseModelInUse) {
+			writeError(w, http.StatusConflict, "base model is still referenced by platform models", "base_model_in_use")
+			return
+		}
 		s.logger.Error("delete base model failed", "error", err)
 		writeError(w, http.StatusInternalServerError, "delete base model failed")
 		return