contract-cli v0.1.0

Initial release.

• NDA (mutual / unilateral), consulting, MSA, SOW, service agreements
• Three Typst templates: helvetica-nera, vienna-legal, editorial
• Plain-English clause packs (TOML, embedded via rust-embed)
• Numbered (1)/(2) parties prose; "Dated" line; "AGREED TERMS" section
• DRAFT watermark by default; --final removes it
• Signature block never splits across pages
• Shared SQLite store with invoice-cli (issuers, clients)
• Agent-friendly JSON envelopes; agent-info; skill install