…nit test to help refactoring

…sion-new

…_fork into ir-decompression-new

- Replace IrMessageParser with LogEventDeserializer and ParsedIrMessage with LogEvent
- Rewrite classes using RAII and avoid exceptions to make embedded development smoother
- Pass IR log event through to writer::Archive to stay consistent with the raw log event encoding path
- Deduplicate code

…and deduplicate update_segment_indices.

…ify error returns.

…plicit specializations.

…pecialization.

…zation.