Changeset 0.28.6 (#192)

server/scheduler/executor.go

@@ -51,6 +51,12 @@ func NewExecutor(stores store.Stores, vault *crypto.KeyResolver, hub *events.Hub
 func (e *Executor) Execute(ctx context.Context, task models.Task, run *models.TaskRun, channelID string) {
 	startTime := time.Now()
 
+	// v0.28.6: System tasks run a built-in Go function. No LLM, no provider, no channel.
+	if task.TaskType == "system" {
+		e.executeSystem(ctx, task, run, startTime)
+		return
+	}
+
 	// v0.28.0: Action tasks skip the LLM pipeline entirely.
 	if task.TaskType == "action" {
 		e.executeAction(ctx, task, run, channelID, startTime)
@@ -259,6 +265,56 @@ func (e *Executor) Execute(ctx context.Context, task models.Task, run *models.Ta
 	}
 }
 
+// executeSystem runs a built-in Go function from the system registry.
+// No LLM, no provider resolution, no channel needed.
+func (e *Executor) executeSystem(ctx context.Context, task models.Task, run *models.TaskRun, startTime time.Time) {
+	fn, ok := taskutil.GetSystemFunc(task.SystemFunction)
+	if !ok {
+		e.failRun(ctx, task, run, "unknown system function: "+task.SystemFunction)
+		return
+	}
+
+	result, err := fn(ctx, e.stores)
+
+	wallClock := int(time.Since(startTime).Seconds())
+	status := "completed"
+	errMsg := ""
+
+	if err != nil {
+		status = "failed"
+		errMsg = err.Error()
+	}
+
+	// Store result as the run's output (tokens=0, tools=0 for system tasks)
+	_ = e.stores.Tasks.UpdateRun(ctx, run.ID, status, 0, 0, wallClock, errMsg)
+	_ = e.stores.Tasks.IncrementRunCount(ctx, task.ID)
+
+	log.Printf("[executor] System task %s (%s → %s) → %s (wall=%ds, result=%s)",
+		task.ID, task.Name, task.SystemFunction, status, wallClock, truncate(result, 200))
+
+	e.notifyOwner(ctx, task, status, errMsg)
+
+	// Outbound webhook with result
+	if task.WebhookURL != "" {
+		go webhook.Deliver(task.WebhookURL, task.WebhookSecret, webhook.Payload{
+			TaskID:      task.ID,
+			RunID:       run.ID,
+			TaskName:    task.Name,
+			Status:      status,
+			CompletedAt: time.Now().UTC(),
+			Output:      result,
+			Error:       errMsg,
+		})
+	}
+}
+
+func truncate(s string, n int) string {
+	if len(s) <= n {
+		return s
+	}
+	return s[:n] + "…"
+}
+
 // executeAction handles non-LLM action tasks.
 // Skips provider resolution and completion entirely.
 func (e *Executor) executeAction(ctx context.Context, task models.Task, run *models.TaskRun, channelID string, startTime time.Time) {