init: hgmj server initial commit

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

middleware/ginzap/ginzap_test.go

@@ -0,0 +1,17 @@
+package ginzap
+
+import (
+	"strings"
+	"testing"
+
+	"91jd-server/common/hevcpull"
+)
+
+func TestSignedPullQueryIsRedactedBeforeLogging(t *testing.T) {
+	const signature = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+	query := "hevc_exp=1&hevc_sig=" + signature
+	safe := hevcpull.RedactText(query)
+	if strings.Contains(safe, signature) || !strings.Contains(safe, "[REDACTED]") {
+		t.Fatalf("signed pull query was not redacted: %s", safe)
+	}
+}