sapphire: Initial device configuration

Change-Id: I1bbdd196b02bb8db0f4c7aa527e6462ee4807567
Signed-off-by: ReStranger <restranger@disroot.org>
diff --git a/lineage_sapphire.mk b/lineage_sapphire.mk
new file mode 100644
index 0000000..380d2f5
--- /dev/null
+++ b/lineage_sapphire.mk
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2025 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# Inherit from sapphire device
+$(call inherit-product, device/xiaomi/sapphire/device.mk)
+
+# Inherit from common lineage configuration
+$(call inherit-product, vendor/lineage/config/common_full_phone.mk)
+
+PRODUCT_NAME := lineage_sapphire
+PRODUCT_DEVICE := sapphire
+PRODUCT_MANUFACTURER := Xiaomi
+PRODUCT_BRAND := Redmi
+PRODUCT_MODEL := 23129RAA4G
+
+PRODUCT_GMS_CLIENTID_BASE := android-xiaomi