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 - Architectural fact: Publishing requires sovereign Tenant separation due to ISBN management, third-party distribution contracts (e.g., KDP), and IP liabilities unsuited to existing Tenants or deterministic tools.
 - Tenant creation for publishing must include unit-economic models where content synthesis/distribution costs are under 15% of NPV per title to achieve breakeven.
 - Publishing tenant incubation carries medium-high risk due to front-heavy marketing spend and requires automated distribution strategies for capital recovery within three quarters.
+- Architectural fact: Sovereign Tenants must be created via transition from workflows under the Isolation Principle to enforce black-box integrity and prevent constitutional drift.