longbridge-supply-chain Industry supply-chain deep-dive — map the value chain, identify bottlenecks, and assess investment opportunities across tiers. Response language : match the user's input language — Simplified Chinese / Traditional Chinese / English. When to use Trigger on prompts asking about: - Supply-chain structure for an industry — "半导体产业链" , "新能源车供应链" , "semiconductor supply chain" - Upstream / midstream / downstream breakdown — "上中下游分析" , "upstream downstream" - Bottleneck / chokepoint identification — "卡脖子环节" , "咽喉环节" , "bottleneck" - Supply-chain investment — "产业链哪个环节最有投资价值" ,…