v0.1.0

First tagged release. Covers the full M0–M5 feature set (VIP-1 … VIP-59).

Added

• Public API — viparse.load(source, *, output, encoding, ocr, normalize, max_bytes, cache, chunk, settings) and lazy viparse.load_batch(...), returning Unicode-NFC
  Documents as markdown / text / json.
• Layered configuration — output / encoding / ocr / normalize / max_bytes resolve
  from function args → VIPARSE_* env vars → a viparse.toml file → the built-in defaults. A
  validating Settings (via load_settings()) raises ConfigError on a bad value.
• RAG chunking — opt-in chunk=ChunkOptions(max_tokens, overlap_tokens) splits a document
  into retrieval-sized, section-aware Chunks (never splitting a table row) with per-chunk
  section / page / sheet metadata and an ordinal index.
• Framework integrations — to_langchain_documents(doc) / to_llamaindex_documents(doc)
  map a Document (chunk-aware) onto LangChain / LlamaIndex document types, provenance
  flattened into their metadata. Lazy behind viparse[langchain] / viparse[llamaindex].
• CLI — viparse <files> -o md|text|json (globs, directories, --out,
  --encoding/--ocr/--normalize) and viparse doctor (engine + binary availability).
• Extraction engines — DOCX, XLSX, digital PDF, scanned PDF via OCR (viparse[ocr]),
  and legacy binary .doc/.xls via LibreOffice — all thin adapters behind extras so the
  core install stays dependency-free.
• Vietnamese normalization (the moat) — legacy TCVN3 / VNI / VISCII → Unicode NFC,
  with font-signal detection, opt-in content-based detection (encoding="auto"), and text
  cleanup. Output is always NFC.
• Structured output — headings, GFM tables, and a versioned JSON schema
  (viparse.SCHEMA_VERSION).
• Untrusted-input safety — configurable file-size limit, zip-decompression-bomb guard,
  and per-engine process timeouts (UnsafeInput).
• Caching — content-hash MemoryCache / DiskCache to skip re-parsing unchanged files.
• Parallel batch — load_batch(..., workers=N) with bounded concurrency and per-source
  error isolation.