Client proposal builder from context + brief.
Pulls the client context record and a project brief, then assembles a polished client proposal with executive summary, scope, timeline, pricing table, and next-steps. Output is formatted in both Markdown and an HTML email template.
Illustrative output structure — actual results depend on your data.
{
"proposal_id": "prop_acme_2026_04",
"sections": 6,
"timeline_weeks": 8,
"pricing_tiers": 3,
"formats": ["markdown", "html"],
"sent": false
}