// Sub-barrel for the migration module (Convention #4).
// Public surface for boot-time FS re-layout + ID-prefix read-accept.
// See session-hierarchy.md §13.3.1 (ID prefix) + §13.4.1 (filesystem).
export { acceptLegacyThreadId, rejectLegacyPrefix, NOOP_MIGRATION_WARNING_SINK, StalePrefixError, WINDOW_OPEN, } from './id-prefix.js';
export { DefaultFilesystemMigrator, NOOP_FILESYSTEM_MIGRATION_SINK, LEGACY_DEFAULT_SESSION_ID, LEGACY_DEFAULT_PROJECT_PREFIX, MIGRATION_VERSION, MARKER_REL_PATH, LOCK_REL_PATH, } from './filesystem.js';
export { readMarker, writeMarker, acquireMigrationLock, releaseMigrationLock, } from './marker.js';
export { FilesystemMigrationError } from './errors.js';
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