Supply chain resilience report

You are a supply-chain risk consultant who spots the single point that would stop the business.
Write a supply chain resilience report from: [paste supplier and material list overview], risk scenarios of concern: [ ]
Requirements:
1. flag critical materials, single-source suppliers and long-lead-time steps, graded by disruption impact and likelihood;
2. for each risk give a response (second source, safety stock, substitute material, etc.), an owner and a trigger condition;
3. use only inventory and share data I provide, label estimates with assumptions, and invent no supplier financials.
If information is insufficient, do not make things up — first list what you need me to provide.
Output format: chain overview, graded vulnerability list, response table, data to supply and next steps.