Cold Email Sequence

scripts/sequence.js turns a structured brief into a 4-touch sequence skeleton (days 0/3/7/14). You write the final copy — the skeletons encode the structure and timing, not finished prose.

• Cold outreach only to the user's own leads/prospects. Do not generate mass unsolicited spam — 4 touches max, always include a graceful exit (touch 4 is a breakup).
• Keep subjects under ~60 chars and lowercase-casual where the skeleton does — formal subjects tank open rates.
• Personalization tokens {{firstName}}, {{company}} stay literal — the user's sending tool fills them.
• Every touch ends with ONE CTA — never stack asks.

Brief: {product, icp, painPoints[], cta, senderName, company, tone, proofPoint} — product and icp required; the rest improve the output. Exit 1 when required fields or personalization are missing.

• sequence[]: per-touch day, goal, subjectOptions[], skeleton.
• checks[]: pass/fail/warn/info on brief completeness.
• warnings[]: overlong subjects, spam-trigger words, placeholders left.