Implement platform management features

platform/api/channel_isolation_handlers_test.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"strings"
 	"testing"
+	"time"
 
 	"browser.local/platform/domain"
 	"browser.local/platform/dto"
@@ -67,6 +68,8 @@ func TestRunChannelAPIInterleavedRequestsMutateIndependentState(t *testing.T) {
 
 	logBatch := validLogBatchRequest(t, hello.SessionToken, 1, 1)
 	logBatch.LogStreamID = "log-channel-isolation"
+	logBatch.LogSessionID = ""
+	logBatch.SessionStartedAt = time.Time{}
 	logRecorder := performJSON(t, router, http.MethodPost, "/api/v1/run/logs/batches", logBatch)
 	assertStatus(t, logRecorder, http.StatusOK)
 	logAck := decodeBody[dto.LogBatchIngestResponse](t, logRecorder)