daemon: set LVMH_AGENT/LVMH_REPO env on spawned containers (plugin contract)

daemon/docker.go

@@ -58,6 +58,8 @@ const (
 	defaultWorkerModels   string = "/app/build/docker/worker-models.json"
 	envProviderAPIKey     string = "ZAI_RENAUD_API_KEY"
 	envLVMHSessionID      string = "LVMH_SESSION_ID"
+	envLVMHAgent          string = "LVMH_AGENT"
+	envLVMHRepo           string = "LVMH_REPO"
 	stopTimeoutSeconds    int    = 10
 	buildContextReadLimit int64  = 64 << 20
 )
@@ -397,6 +399,8 @@ func (s *Spawner) createAndStart(ctx context.Context, repo, slug, sessionID stri
 			envToken + "=" + daemonToken,
 			"LVMH_URL=" + s.containerURL,
 			envLVMHSessionID + "=" + sessionID,
+			envLVMHAgent + "=1",
+			envLVMHRepo + "=" + repo,
 		},
 		Labels: map[string]string{labelSession: sessionID},
 	}