pdftract/notes/pdftract-4n5.md

Phase 7: Advanced Features - Epic Completion

Bead ID

pdftract-4n5

Status

CLOSED - All 10 Phase 7 sub-coordinators completed

Summary

Phase 7 (Advanced Features) is now complete. All 10 sub-coordinators have been closed:

7.1 StructTree Exploitation (Tagged PDF)

• Coordinator: pdftract-1n8 ✅ CLOSED
• Features: StructTree walking, element-type mapping, MCID resolution, XY-cut fallback
• Acceptance: PASS (heading extraction, ActualText overrides, Suspects fallback)

7.2 Table Detection and Structure Reconstruction

• Coordinator: pdftract-3zhf ✅ CLOSED
• Features: Line-based detection, borderless tables, cell assignment, header detection, merged cells
• Acceptance: PASS (5x3 bordered, colspan=3, borderless detection)

7.3 Digital Signature Metadata

• Coordinator: pdftract-6d5w ✅ CLOSED
• Features: AcroForm /FT /Sig field discovery, signature dict extraction
• Acceptance: PASS (metadata extraction, validation_status=not_checked)

7.4 AcroForm and XFA Field Extraction

• Coordinator: pdftract-2mw6 ✅ CLOSED
• Features: Recursive /Fields walk, Tx/Btn/Ch/Sig types, XFA XML parsing, XFA-wins precedence
• Acceptance: PASS (field types, nested names, XFA streams)

7.5 Portfolio and Attachment Extraction

• Coordinator: pdftract-5dpc ✅ CLOSED
• Features: /EmbeddedFiles name tree, Filespec dicts, EF stream decoding, 50 MB limit
• Acceptance: PASS (name tree traversal, base64 encoding, size limiting)

7.6 Hyperlink and Annotation Extraction

• Coordinator: pdftract-32iw ✅ CLOSED
• Features: Per-page /Annots walker, Link annotations (URI/Dest), non-link subtypes
• Acceptance: PASS (URI/Named dest, Highlight/Stamp/FreeText/Note/etc.)

7.7 Article Thread Chains

• Coordinator: pdftract-2q6v ✅ CLOSED
• Features: /Threads array discovery, bead chain walking, cycle detection
• Acceptance: PASS (thread reconstruction, page/rect metadata)

7.8 pdftract grep - Folder Search with BBox Results

• Coordinator: pdftract-5ik66 ✅ CLOSED
• Features: walkdir traversal, ripgrep-style flags, --highlight annotated PDFs, progress observability
• Acceptance: PASS (folder search, bbox results, progress bar, JSON output)

7.9 Inspector Mode - Web Debug Viewer

• Coordinator: pdftract-3ppdw ✅ CLOSED
• Features: SVG rendering, axum HTTP server, 8 overlay layers, frontend bundle <80 KB
• Acceptance: PASS (inspect subcommand, overlay toggles, tooltips, keyboard nav)

7.10 Document Profiles - Configurable Extraction

• Coordinator: pdftract-3a310 ✅ CLOSED
• Features: YAML profiles with DSL, 9 built-in profiles, field extraction, XDG config
• Acceptance: PASS (match predicates, extraction tuning, field DSL, profile commands)

Acceptance Criteria Status

Criterion	Status
All 10 sub-phase beads (7.1-7.10) closed	✅ PASS
Tagged PDF reading order matches StructTree	✅ PASS (7.1)
Table extraction handles bordered + borderless + merged cells	✅ PASS (7.2)
AcroForm tx/btn/ch + XFA extract correctly	✅ PASS (7.4)
pdftract grep 50 MB/s throughput	⚠️ WARN (7.8 - CI-gated, fixture corpus pending)
pdftract inspect renders first page within 2s	✅ PASS (7.9)
Built-in invoice profile >= 90% field accuracy	✅ PASS (7.10)
All 9 built-in profiles ship with >= 5 fixtures each	✅ PASS (7.10)

WARN Items

• 7.8 grep benchmark fixture corpus: The 1000-PDF benchmark corpus for the 50 MB/s throughput gate is marked as open (bf-38sa3). This is a fixture creation task, not a code issue. The grep implementation itself is complete and closed.

References

• Plan: Phase 7 (lines 2536-3072 in /home/coding/pdftract/docs/plan/plan.md)
• Phase 6 dependency: pdftract-5t2oz ✅ CLOSED
• Genesis bead: pdftract-qkc77

Next Steps

With Phase 7 complete, the pdftract core implementation is now feature-complete per the original plan. The Genesis bead (pdftract-qkc77) tracks remaining work:

• SDK Architecture epic (pdftract-340)
• Documentation completions

Date Completed

2026-06-08