Platform Contracts

Platform-level contracts (update system, telemetry, health).

Active Contracts

• UPDATE_SYSTEM_CONTRACT_V1.md - Core update/upgrade system (vit CLI)
• DOCS_FEDERATION_CONTRACT_V1.md - Cross-VPS docs routing + MkDocs indexing contract

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Purpose: Enforce platform behavior guarantees across Core and Verticals.

Enforcement: CI/CD gates, runtime validation (vit tool).