精简后的项目：仅保留 api/ui 源码、文档、构建依赖

api/scanner/face_detection/face_detector_shim.go

@@ -0,0 +1,14 @@
+//go:build no_face_detection
+
+package face_detection
+
+import (
+	"log"
+
+	"gorm.io/gorm"
+)
+
+func InitializeFaceDetector(db *gorm.DB) error {
+	log.Printf("Face detection disabled (at build-time)")
+	return nil
+}