fix: reconcile shared-channel receipts and protocol logs

gateway/internal/upstream/protocol_log_test.go

@@ -0,0 +1,54 @@
+package upstream
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func TestEmitProtocolLogPostsSafeOutboundPacketEvent(t *testing.T) {
+	events := make(chan protocolLogEvent, 1)
+	api := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/gateway/events/protocol-log" {
+			t.Errorf("unexpected path: %s", r.URL.Path)
+			http.Error(w, "unexpected path", http.StatusNotFound)
+			return
+		}
+		var event protocolLogEvent
+		if err := json.NewDecoder(r.Body).Decode(&event); err != nil {
+			t.Errorf("decode protocol event: %v", err)
+			http.Error(w, "invalid event", http.StatusBadRequest)
+			return
+		}
+		events <- event
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer api.Close()
+
+	conn := &connection{apiBaseURL: api.URL, httpClient: api.Client()}
+	conn.emitProtocolLog(protocolLogEvent{
+		Protocol:     "cmpp",
+		Direction:    "platform_to_channel",
+		EventType:    "submit",
+		Status:       "success",
+		ChannelID:    "channel-1",
+		MessageID:    "MSG-1",
+		Phone:        "18821203795",
+		PayloadBytes: 32,
+		Detail:       map[string]any{"sequenceId": 7},
+	})
+
+	select {
+	case event := <-events:
+		if event.Direction != "platform_to_channel" || event.EventType != "submit" || event.Status != "success" {
+			t.Fatalf("unexpected protocol event: %+v", event)
+		}
+		if event.MessageID != "MSG-1" || event.Phone != "18821203795" || event.PayloadBytes != 32 {
+			t.Fatalf("unexpected event identity: %+v", event)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("timed out waiting for protocol event")
+	}
+}