初始提交：OCI 面板后端（含 GenAI 网关一期）

internal/service/compartment.go

@@ -0,0 +1,26 @@
+package service
+
+import (
+	"context"
+
+	"oci-portal/internal/oci"
+)
+
+// Compartments 递归列出租户下全部 ACTIVE compartment（不含租户根）。
+func (s *OciConfigService) Compartments(ctx context.Context, id uint) ([]oci.Compartment, error) {
+	cred, err := s.credentialsByID(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+	return s.client.ListCompartments(ctx, cred)
+}
+
+// credentialsInCompartment 取配置凭据并限定资源操作的目标 compartment（空为租户根）。
+func (s *OciConfigService) credentialsInCompartment(ctx context.Context, id uint, compartmentID string) (oci.Credentials, error) {
+	cred, err := s.credentialsByID(ctx, id)
+	if err != nil {
+		return oci.Credentials{}, err
+	}
+	cred.CompartmentID = compartmentID
+	return cred, nil
+}