AI-synthesized US manufacturing & industrial sector briefing. Gathers 7 FRED signals (free, no auth): Industrial Production, Capacity Utilization, Durable Goods Orders, Manufacturing Output, Manufacturing Employment, Inventory/Sales Ratio, and PPI All Commodities. Uses GPT-4o-mini to synthesize: manufacturing regime (expanding/growing/stagnant/contracting), dominant risk, agent implication, and 200-word narrative. Completes the macro intelligence suite alongside energy-brief, labor-brief, and c