Implemented operations helper commands for validation, locking, and status

internal/config/config.go

@@ -112,6 +112,11 @@ type ArchiveLockRule struct {
 	Reason string `yaml:"reason"`
 }
 
+// ArchiveLockStore is the mutable per-session remote lock store.
+type ArchiveLockStore struct {
+	Locks []ArchiveLockRule `yaml:"locks"`
+}
+
 // WhisperXConfig configures WhisperX adapter settings.
 type WhisperXConfig struct {
 	TranscribeURL string `yaml:"transcribe_url"`