feat(app): wire acp_events_purge runner into jobs scheduler

internal/jobs/domain.go

@@ -120,6 +120,13 @@ type JobPurgeConfig struct {
 	CompletedRetention time.Duration
 }
 
+// AcpEventsPurgeConfig extends RunnerConfig with acp_events retention.
+type AcpEventsPurgeConfig struct {
+	Enabled   bool
+	Interval  time.Duration
+	Retention time.Duration
+}
+
 // Config is the full jobs.Module configuration.
 type Config struct {
 	Enabled           bool
@@ -130,4 +137,5 @@ type Config struct {
 	AttachmentCleanup AttachmentCleanupConfig
 	JobReaper         JobReaperConfig
 	JobPurge          JobPurgeConfig
+	AcpEventsPurge    AcpEventsPurgeConfig
 }