CMIS compliance/test foundation

docs/cmis-readiness-gate.md

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+# CMIS Implementation Readiness Gate
+
+Date: 2026-05-06
+
+Status: ready for `KONT-WP-0012` implementation planning.
+
+## Required Before Implementation
+
+- CMIS target version is fixed at OASIS CMIS 1.1.
+- Browser Binding is the first implementation target.
+- AtomPub and Web Services bindings are explicitly deferred.
+- Capability examples are grouped in `examples/cmis/capability-fixtures.json`.
+- Internal fixture contract tests validate profile expectations.
+- OpenCMIS TCK is documented as an optional external harness.
+- The first implementation profile is constrained to profile-scoped Browser
+  Binding behavior rather than full CMIS certification claims.
+
+## First Implementation Slice
+
+Implement the profile and mapper layer before routes:
+
+1. Profile model and access-point configuration.
+2. CMIS object/type/capability projection over existing engine services.
+3. Profile-scoped visibility denial and mutation policy.
+4. Browser Binding read routes.
+5. Governed mutation routes.
+6. Optional OpenCMIS TCK compatibility profile.
+
+## Non-Goals For The First Slice
+
+- Full AtomPub support.
+- Full SOAP/Web Services support.
+- Full CMIS SQL grammar.
+- Full private-working-copy versioning semantics.
+- Legal hold or retention mutation semantics.
+- General-purpose CMIS certification claim.
+