Iconography — line-SVG (24px, stroke 2, currentColor) ↔ Lucide
Functional emoji
— used as semantic glyphs (agents, sections, semáforo, ⚡ energy), never decoration:
📧 📄 🏭 📦 🎯 ⚠ 🚨 ⚙️ ⚡ 🟡 🔴