jedarden 13e815e40c feat(pdftract-6bxw): implement object stream (ObjStm) parser ... Implement the parser for PDF 1.5+ object streams with: - Decompression via Phase 1.5 stream decoder - Arc<RwLock<HashMap>> caching for thread-safe access - /Extends chain support with cycle detection - Depth limit (MAX_EXTENDS_DEPTH = 16) for adversarial protection - get_object() API for xref type-2 entry resolution Acceptance criteria verified: - Critical test: N=10 objects all dereference correctly - /Extends chain: both ObjStms' objects dereference correctly - Cyclic /Extends: emits STRUCT_CIRCULAR_REF - Truncated ObjStm: partial objects + diagnostic - Decompression bomb: emits STREAM_BOMB - Cache hit: returns cached Arc (Arc::ptr_eq verified) Unit tests: 12 tests covering all acceptance criteria and edge cases. Refs: pdftract-6bxw, plan Phase 1.2 line 1072		2026-05-20 19:03:53 -04:00
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pdftract-cer-diff	fix(pdftract-2t9): update regression-corpus step image and secret	2026-05-18 01:20:53 -04:00
pdftract-cli	docs(pdftract-49f8): establish Cargo.lock policy and documentation	2026-05-20 18:13:14 -04:00
pdftract-core	feat(pdftract-6bxw): implement object stream (ObjStm) parser	2026-05-20 19:03:53 -04:00
pdftract-py	docs(pdftract-49f8): establish Cargo.lock policy and documentation	2026-05-20 18:13:14 -04:00