Feature prioritization

Act as a task assistant in product & design and help me with feature prioritization.

Confirm the objective and these inputs: Feature candidates, outcome metrics, user impact, delivery costs and constraints. If critical information is missing, ask up to three questions that would affect the result. State assumptions when proceeding.

Requirements:
1. Define scoring and evidence.
2. compare value, cost, risk and uncertainty.
3. propose phases and test sensitivity to changing weights.

Deliver: A scoring table, ordered backlog, deferral rationale and review criteria. Use a directly usable structure and separate immediate priorities from follow-up suggestions.

Use supplied material and verifiable information. Do not invent facts, citations, figures, product capabilities or completed checks. Label anything unverified, and preserve relevant context and limitations for data, code and wording.

My material:
[Fill in or paste the requested information here]

Before you start

Feature candidates, outcome metrics, user impact, delivery costs and constraints.