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DE-BB: ref_ident is the field block, not a farmer - #244

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DE-BB: ref_ident is the field block, not a farmer#244
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Part of the publish-portolan split (#231-#243).

ref_ident holds 16-character FLIKs — DE + BB + LI + capture year + district + sequence, e.g. DEBBLI0268030574 — which Brandenburg's Feldblockkataster documents as the field block reference. It was mapped to farmer_id, which it never was: several fields share one block. It is published as flik now, with the flik extension, the way de_nds and de_nds_block already do.

Two more: the .cpg claims UTF-8 but the DBF is cp1252 (June 2026 download), and the collection had no id at allgp_xx repeats across rows, so the row index does the identifying.

Original commits: a4afe88, 2e1393f, and the de_bb half of 47a4033.

🤖 Generated with Claude Code

https://claude.ai/code/session_01DVx9uQV2QPM8ecPAY3ZjXG

ref_ident holds 16-character FLIKs — DE + BB + LI + capture year + district +
sequence, e.g. DEBBLI0268030574 — which Brandenburg's Feldblockkataster
documents as the field block reference. It was mapped to farmer_id, which it
never was: several fields share one block. It is published as `flik` now, with
the flik extension, the way de_nds and de_nds_block already do.

The .cpg claims UTF-8 but the DBF is cp1252 (June 2026 download), and the
collection had no `id` at all: gp_xx repeats across rows, so the row index does
the identifying.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DVx9uQV2QPM8ecPAY3ZjXG
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