init: hgmj server initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/service/vidser/scheduled_module_test.go

@@ -0,0 +1,27 @@
+package vidser
+
+import (
+	"testing"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+func TestApplyScheduledVideoModuleID(t *testing.T) {
+	moduleID := primitive.NewObjectID()
+	update := bson.M{}
+
+	applyScheduledVideoModuleID(update, moduleID)
+
+	if got := update["mId"]; got != moduleID.Hex() {
+		t.Fatalf("mId = %v, want %s", got, moduleID.Hex())
+	}
+}
+
+func TestApplyScheduledVideoModuleIDIgnoresEmptyID(t *testing.T) {
+	update := bson.M{}
+	applyScheduledVideoModuleID(update, primitive.NilObjectID)
+	if _, ok := update["mId"]; ok {
+		t.Fatal("empty module id must not be written")
+	}
+}