feat: publish standalone worker

Separate worker packaging and service lifecycle from the control plane.

internal/distworker/runner_protocol_test.go

@@ -0,0 +1,19 @@
+package distworker
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"rsgit.ru/rsmon/rsmon/internal/wire"
+)
+
+func TestEnqueueTaskMessagePrefersEnvelopeOverLegacyCheck(t *testing.T) {
+	r := &Runner{jobQueue: make(chan wire.CheckJob, 2), stopCh: make(chan struct{})}
+	message := wire.WorkerMessage{Kind: "task", TaskEnvelope: &wire.TaskEnvelope{Type: wire.TaskTypeCheck, Job: &wire.CheckJob{JobID: "v2"}}, Task: &wire.CheckJob{JobID: "v1"}}
+	require.True(t, r.enqueueTaskMessage(message))
+	job := <-r.jobQueue
+	assert.Equal(t, "v2", job.JobID)
+	assert.Empty(t, r.jobQueue, "the sibling legacy field must not run a second check")
+}