v0.2.0

Hash-Anchored Paragraph References & Batch Editing

Breaking Changes

• paragraph parameter is now required on replace(), delete(), insert_after(), insert_before()

New Features

• list_paragraphs() — Returns P{index}#{hash} references with content previews
• HashMismatchError — Detects stale paragraphs, includes current hash for retry
• batch_edit() — Atomic all-or-nothing validation, reverse-order application
• EditOperation dataclass for batch operations
• ParagraphRef and compute_paragraph_hash() utilities

Benchmarks (30-paragraph document)

Benchmark	Result
Speed	Negligible overhead (-1.8%)
Accuracy	Plain: 9/10 wrong paragraph. Hash: 10/10 correct
Batch	1.8x speedup vs individual calls