65 lines
2.3 KiB
Markdown
65 lines
2.3 KiB
Markdown
# Verification Note: Phase 7.2 Coordinator (pdftract-3zhf)
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## Work Completed
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### 1. Unified Detection Entry Point
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Added `TableDetector::detect(&PageContext) -> Vec<GridCandidate>` method that:
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- Runs line-based detection first (m/l/S, re/S, re/f operators)
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- Runs borderless detection second (x0 alignment heuristic)
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- Combines results from both pipelines
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### 2. All Child Beads Closed
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- ✅ pdftract-88sk (7.2.1): Line-based table detection
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- ✅ pdftract-3nwz (7.2.2): Borderless table detection
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- ✅ pdftract-2oqh (7.2.3): Span-to-cell assignment
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- ✅ pdftract-ilen (7.2.4): Header row detection
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- ✅ pdftract-3c4i (7.2.5): Merged cell detection
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- ✅ pdftract-5mph (7.2.6): Table JSON output schema integration
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### 3. Critical Tests Pass
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#### PASS: 5x3 Bordered Table
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- Test: `test_detect_5x3_table`
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- Location: `crates/pdftract-core/src/table/detector.rs:899`
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- Result: All 15 cells extracted with correct row/column indices
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#### PASS: Merged Header Cell (colspan=3)
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- Test: `test_detect_merged_cells_colspan_3_critical_test`
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- Location: `crates/pdftract-core/src/table/cell.rs:1707`
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- Result: Header cell correctly detected with colspan=3
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#### PASS: Borderless Table Detection
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- Test: `test_detect_borderless_3x3_table_accepted`
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- Location: `crates/pdftract-core/src/table/detector.rs:1040`
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- Result: Borderless 3-column table detected via x0 alignment
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#### PASS: Two-Page Table Continuation
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- Test: `test_detect_two_page_tables_basic`
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- Location: `crates/pdftract-core/src/table/output.rs:389`
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- Result: Table continuation detected and flagged correctly
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### 4. Schema Verification
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- File: `docs/schema/v1.0/pdftract.schema.json`
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- Table shape includes all required fields:
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- id, bbox, rows, header_rows
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- detection_method ("line_based" | "borderless")
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- continued, continued_from_prev
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- page_index
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### 5. Documentation
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- File: `docs/research/table-structure-reconstruction.md`
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- Contains algorithm diagrams and explanations
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## Test Results
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```
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cargo test --package pdftract-core --lib table
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test result: ok. 122 passed; 0 failed; 0 ignored
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```
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## Files Modified
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- `crates/pdftract-core/src/table/detector.rs`: Added `detect()` method
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- `crates/pdftract-core/src/table/mod.rs`: Public API exports
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## Commit
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- Hash: `e995808`
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- Message: `feat(pdftract-3zhf): add unified TableDetector::detect entry point`
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