aitbc f9fb3ea053 Fix chain import/export to handle duplicates, add metadata fields, and improve datetime parsing ...

- Add chain_id field to Block creation in import_block endpoint
- Remove await from synchronous session.commit in import_block
- Add _serialize_optional_timestamp helper to handle various timestamp formats
- Add _parse_datetime_value helper with proper datetime parsing and error handling
- Add _select_export_blocks to filter duplicate blocks by height during export
- Add _dedupe_import_blocks to filter

2026-04-14 12:33:44 +02:00

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aitbc_chain

Fix chain import/export to handle duplicates, add metadata fields, and improve datetime parsing

2026-04-14 12:33:44 +02:00