Unify organize ingest pipeline

internal/service/organize_pipeline_test.go

@@ -0,0 +1,37 @@
+package service
+
+import (
+	"path/filepath"
+	"testing"
+)
+
+func TestOrganizeScanRootUsesActualOrganizedTarget(t *testing.T) {
+	target := filepath.Join(string(filepath.Separator), "media", "电影", "动画电影", "Big Buck Bunny (2008)", "Big Buck Bunny (2008).mp4")
+	res := &OrganizeResult{
+		DestPath: filepath.Join(string(filepath.Separator), "media"),
+		Items: []OrganizePreviewItem{{
+			Target: target,
+			Action: "organize",
+		}},
+	}
+
+	want := filepath.Dir(target)
+	if got := organizeScanRoot(res, ""); got != want {
+		t.Fatalf("organizeScanRoot() = %q, want %q", got, want)
+	}
+}
+
+func TestOrganizeScanRootUsesCommonAffectedCategoryRoot(t *testing.T) {
+	root := filepath.Join(string(filepath.Separator), "media", "电影", "动画电影")
+	res := &OrganizeResult{
+		DestPath: filepath.Join(string(filepath.Separator), "media"),
+		Items: []OrganizePreviewItem{
+			{Target: filepath.Join(root, "Movie A (2026)", "Movie A (2026).mp4"), Action: "organize"},
+			{Target: filepath.Join(root, "Movie B (2026)", "Movie B (2026).mp4"), Action: "organize"},
+		},
+	}
+
+	if got := organizeScanRoot(res, ""); got != root {
+		t.Fatalf("organizeScanRoot() = %q, want %q", got, root)
+	}
+}