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feat(formats): add email (EML) input - #52
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Plain text (always on) goes through the IR: paragraphs on blank lines, hard breaks on single newlines. Markdown (new `markdown` feature, in all_formats) is re-parsed with pulldown-cmark into the IR and rendered back, so raw HTML never passes through. Both decode UTF-8/UTF-16 BOMs, drop control characters and warn on lossy decoding. Neither is sniffed from bytes. Threat model T7, invariant S13.
…-3z7tjs # Conflicts: # CHANGELOG.md # README.md # crates/markkit/Cargo.toml # crates/markkit/src/extract.rs # crates/markkit/src/lib.rs # knowledge/log.md # knowledge/security/threat-model.md
…-3z7tjs # Conflicts: # knowledge/log.md
…-3z7tjs # Conflicts: # knowledge/log.md
…-3z7tjs # Conflicts: # .github/workflows/ci.yml # crates/markkit/Cargo.toml # crates/markkit/src/extract.rs # crates/markkit/src/lib.rs # knowledge/log.md # knowledge/security/threat-model.md
…-3z7tjs # Conflicts: # knowledge/log.md # knowledge/security/threat-model.md
Always-on RFC 4180 reader renders delimited text as one GFM table. Delimiter is tab for TSV and detected among , ; tab | for CSV. Reading is bounded by max_sheet_rows / max_sheet_cols (truncated_table warning); unterminated quotes emit malformed_csv. Adds Format::Tsv.
…-3z7tjs # Conflicts: # CHANGELOG.md # README.md # crates/markkit/src/extract.rs # knowledge/formats/format-support.md # knowledge/log.md # knowledge/security/threat-model.md
nbformat 4 notebooks render Markdown cells through the Markdown path, code cells as fenced blocks tagged with the kernel language, and text outputs and tracebacks (ANSI stripped) as text blocks; rich outputs are skipped. Adds Format::Notebook, Error::NotebookExtract and ExtractionStats::cells.
With no format feature, extract_document rendered unbounded, so always-on text, CSV and notebook input ignored max_output_size and the timeout (csv_integration::security_timeout_applies failed under --no-default-features). Bounded rendering is now unconditional, decoding is followed by a deadline check, and CI tests --no-default-features.
# Conflicts: # crates/markkit/src/extract.rs # crates/markkit/src/format.rs # crates/markkit/src/lib.rs # crates/markkit/src/limits.rs # crates/markkit/src/render/markdown.rs # knowledge/log.md # knowledge/operations/testing.md
…to claude/project-thread-3z7tjs
New email feature (mail-parser 0.11) renders subject, From/To/Cc/Date, the plain-text body (HTML alternative through the HTML parser when no plain part exists) and an attachment list. Header values are folded so encoded newlines cannot inject lines; attachments are never parsed. Adds Format::Eml, Error::EmailExtract, ExtractionStats::attachments.
…-3z7tjs # Conflicts: # crates/markkit-js/src/lib.rs # crates/markkit/src/extract.rs # knowledge/formats/format-support.md
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What changed
New
emailfeature (inall_formats, so CLI and Python/Node bindings get it) converts.eml/message/rfc822files to Markdown:#heading and the title, followed by From / To / Cc / Date lines.Format::Eml("eml"),Error::EmailExtract,ExtractionStats::attachments.The parser shares the call's
Limitsbudget (nodes, timeout, output cap). Header values are folded, so an encoded newline cannot inject a line.Why
This is part of the cheap-formats roadmap initiative (text/Markdown #21, CSV/TSV #44 and ipynb #50 are already merged). Email is a common input for agents.
Before / After
I ran tests locally under all features, the default build,
--no-default-features,docx,spreadsheet,markdown,emailandemailalone. Clippy passes with-D warningson each, and the OKF check passes.Risk
default-features = false). 1.0 is a fresh rewrite, so it is not adopted yet.Checklist
email_integrationcovers multipart, HTML-only, nested and detection, plus security tests for garbage input, header injection, deep multipart, attachment floods, input size andsecurity_limits_apply(timeout, max_nodes, output cap)Requested by Михайло · project thread
Generated by Claude Code