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/logs.go

@@ -0,0 +1,49 @@
+package models
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+// Log represents a Prefect log entry.
+type Log struct {
+	ID        uuid.UUID  `json:"id"`
+	Created   *time.Time `json:"created"`
+	Updated   *time.Time `json:"updated"`
+	Name      string     `json:"name"`
+	Level     int        `json:"level"`
+	Message   string     `json:"message"`
+	Timestamp time.Time  `json:"timestamp"`
+	FlowRunID *uuid.UUID `json:"flow_run_id"`
+	TaskRunID *uuid.UUID `json:"task_run_id"`
+}
+
+// LogCreate represents the request to create a log.
+type LogCreate struct {
+	Name      string     `json:"name"`
+	Level     int        `json:"level"`
+	Message   string     `json:"message"`
+	Timestamp time.Time  `json:"timestamp"`
+	FlowRunID *uuid.UUID `json:"flow_run_id,omitempty"`
+	TaskRunID *uuid.UUID `json:"task_run_id,omitempty"`
+}
+
+// UnmarshalJSON implements custom JSON unmarshaling for time fields.
+func (l *Log) UnmarshalJSON(data []byte) error {
+	type Alias Log
+	aux := &struct {
+		Created optTime `json:"created"`
+		Updated optTime `json:"updated"`
+		*Alias
+	}{
+		Alias: (*Alias)(l),
+	}
+	if err := json.Unmarshal(data, aux); err != nil {
+		return err
+	}
+	l.Created = aux.Created.V
+	l.Updated = aux.Updated.V
+	return nil
+}