[Revenue] Implement Plan 6: Notion Template + Dashboard Marketplace (from 1000 ideas)

[atomeam]

From 1000 Autonomous First Dollar Ideas master https://app.notion.com/p/7d2d305c39974f0fb37261e95ef4f0c0 and Directive v5.

Goal: Curate/sell premium Notion templates (Profit Cockpit clones, Council playbooks, Quest setups, Directive packs) via Stripe $19-49. Auto-generate from Self-Improvement Proposals. Storefront + previews, n8n on purchase -> duplicate + personalize + deliver link.

Autonomy: High.

Evidence: First template sale in Stripe.

First steps for code agents:

1. Marketplace page or section on apex.
2. Template duplication script.
3. Buy buttons + webhook handling.

See previous Plan 6 proposal. Post-foundation. Do not stop till revenue.