The core problem: An agent doesn't see your page — it sees your data. Every kilobyte of navigation chrome and marketing copy is wasted inference budget that compounds across millions of calls.
The strategic hierarchy: Tier I ships in weeks. Tier II adds dedicated endpoints and MCP tooling. Tier III unlocks semantic reasoning. Never let Tier III scope block Tier I execution.
The channel divergence: B2C optimises token cost at volume. D2C encodes brand philosophy and LTV. B2B requires procurement compliance and ERP integration. Divergence begins at Level 3.