Füge Modelle für Flows, FlowRuns, TaskRuns, WorkPools, WorkQueues, Deployments, Variablen, FlowRunStates, Logs, und Blocks samt zugehöriger Unmarshal-Logik und Zeitfeld-Unterstützung hinzu; ergänze Tests für die FlowRunStates-Service-Methoden.

pkg/models/task_workers.go

@@ -0,0 +1,15 @@
+package models
+
+import "time"
+
+// TaskWorkerFilter represents filter criteria for querying task workers.
+type TaskWorkerFilter struct {
+	TaskKeys []string `json:"task_keys"`
+}
+
+// TaskWorkerResponse represents a task worker response.
+type TaskWorkerResponse struct {
+	Identifier string    `json:"identifier"`
+	TaskKeys   []string  `json:"task_keys"`
+	Timestamp  time.Time `json:"timestamp"`
+}