U1 — Order Bump Writer

Pipeline Position: Second skill in Upsell Engine pipeline. After U0 (Strategist). Parallel with U2 (Upsell Writer). Feeds U4 (Assembler).

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PURPOSE

Generate 50-150 word checkbox copy for order bumps displayed on checkout pages. Produces 5-7 variants optimized for split testing, each following the 3-element structure (WHAT + WHY NOW + PRICE) with different emphasis angles.

This skill writes the shortest copy in the entire system. Brevity is not a limitation — it is the primary constraint that determines quality.

Success Criteria:

• 5-7 variants produced, all within 50-150 words
• Every variant contains the 3-element structure (WHAT + WHY NOW + PRICE)
• FE mechanism name appears in every variant (congruence)
• No story structure, no proof cascade, no PAS structure

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LAYER ARCHITECTURE

Layer	Task	Key Microskills
0	Input loading + specimen calibration	0.1, 0.2
1	Bump copy generation + variant generation	1.1, 1.2
4	Validation + output packaging	4.1, 4.2

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REFERENCE FILES

For full execution specs, microskill details, and anti-degradation protocols:

• U1-ORDER-BUMP-WRITER-AGENT.md — Complete orchestration specification
• U1-ORDER-BUMP-WRITER-ANTI-DEGRADATION.md — Quality enforcement rules

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OUTPUT

Primary: order-bump-copy.md (5-7 variants)
Location: outputs/[project-code]/upsell/