jedarden cce26bb6b6 feat(pdftract-64j83): implement column label assignment to Span.column + Line.column ... - Add column: Option<u32> field to Span in hybrid.rs - Create layout/columns.rs module with: - Column struct (index + x_range) - assign_columns_to_spans() - assign by x_range containing bbox[0] - assign_columns_to_lines() - propagate via mode (>50% dominance) - HasBBoxAndColumn and HasSpansWithColumn traits - Update layout/mod.rs to export column types - Fix test fixtures in inspect/render (add column: None) Acceptance criteria: - 2-column page span at x0=50 -> Some(0), x0=350 -> Some(1) - Full-width heading line -> None (mixed spans) - Single-column page -> all spans Some(0) - Inter-column gap -> None Closes: pdftract-64j83 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>		2026-05-24 14:45:19 -04:00
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src	feat(pdftract-64j83): implement column label assignment to Span.column + Line.column	2026-05-24 14:45:19 -04:00
tests	feat(pdftract-dtpwa): implement contract profile per Phase 7.10 schema	2026-05-24 07:10:32 -04:00
build.rs	docs(pdftract-32y9): finalize SDK architecture note with workspace layout, cross-compile matrix, and KU-12 alignment	2026-05-24 06:38:23 -04:00
Cargo.toml	feat(pdftract-1s2uj): add xref test fixture corpus and integration test runner	2026-05-24 08:20:04 -04:00
pdftract-cli.cdx.json	feat(pdftract-67tm8): implement MCP stdio transport with integration tests	2026-05-23 00:16:42 -04:00