feat: add go vehicle identity resolver

go/vehicle-gateway/internal/gateway/mqtt_client.go

@@ -12,6 +12,7 @@ import (
 
 	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/envelope"
 	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/eventbus"
+	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/identity"
 	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/protocol/yutongmqtt"
 )
 
@@ -24,6 +25,7 @@ type MQTTClientConfig struct {
 	Topics       []string
 	QoS          byte
 	Sink         eventbus.Sink
+	Resolver     identity.Resolver
 	Logger       *slog.Logger
 }
 
@@ -48,6 +50,9 @@ func NewMQTTClient(cfg MQTTClientConfig) (*MQTTClient, error) {
 	if cfg.Logger == nil {
 		cfg.Logger = slog.Default()
 	}
+	if cfg.Resolver == nil {
+		cfg.Resolver = identity.NoopResolver{}
+	}
 	if cfg.EndpointName == "" {
 		cfg.EndpointName = "yutong"
 	}
@@ -115,6 +120,18 @@ func (c *MQTTClient) handleMessage(ctx context.Context, topic string, payload []
 			ParseError:     err.Error(),
 		}
 		env.EventID = env.StableEventID()
+	} else {
+		resolved, resolveErr := c.cfg.Resolver.Resolve(ctx, env)
+		if resolveErr != nil {
+			c.cfg.Logger.Warn("mqtt identity resolve failed", "topic", topic, "event_id", env.StableEventID(), "error", resolveErr)
+			if env.Parsed == nil {
+				env.Parsed = map[string]any{}
+			}
+			env.Parsed["identity"] = map[string]any{"resolved": false, "error": resolveErr.Error()}
+			env.ParseStatus = envelope.ParsePartial
+		} else {
+			env = resolved
+		}
 	}
 	if err := c.cfg.Sink.PublishRaw(ctx, env); err != nil {
 		c.cfg.Logger.Error("publish mqtt raw failed", "topic", topic, "event_id", env.StableEventID(), "error", err)