- Support parsing compacted records with replacement history and conversion to compaction entries.
- Add test coverage for foreign session import of Codex session compactions.
- Implemented session stores and metadata converters to import Claude and Codex sessions into OMP.
- Added `--from-claude` and `--from-codex` CLI flags and `/resume` command arguments for foreign session resolution.
- Updated session selector components and controllers to support listing and picking external agent sessions.
- Added comprehensive unit tests and documentation covering foreign session import functionality.
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