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Contract Catalog

Only this directory defines normative product guarantees. User and maintainer documentation explains how to use and preserve them without creating a second source of truth.

Contract Namespace Owner
Package and distributions PKG PyPI metadata, artifacts, and installation
Dependencies DEP Direct pins, locks, audit, and snapshots
CI and releases CIR Automation topology and publication
Security SEC Authentication, mux isolation, and cleanup
Public API API Imports, types, errors, and ownership objects
Compatibility CMP Python, Linux, OpenSSH, and acceptance

Assertion IDs are permanent. Each assertion links to one or more exact test nodes that serve as executable evidence.