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adr: Placement Policy (019) + Migration/Operational gating (020) + Data·Policy·Provider lens - #14
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…uire Data·Policy·Provider lens Closes the Policy column of the placement-data substrate (UDLM ADR-001..004 are the Data + Provider sides; these are the control-plane Policy side). - ADR-019 Placement Policy — the 8th typed policy: declarative affinity/anti-affinity/spread/ co-locate/prefer/pin over abstract Topology kinds; engine evaluates; enforces the portability discipline. Consumes UDLM Topology + capacity/utilization + provider topology_capability. - ADR-020 Migration & Operational Gating — reuses existing typed policies: Governance-Matrix (migration permission/sovereignty), Orchestration-Flow (cutover sequence), GateKeeper (process-validation freshness gating), + operational rehearsal scheduling. No new type beyond 019. - adr/README — **required lens: every ADR/DecisionRecord MUST state its Data · Policy · Provider aspects** (the three abstractions, ADR-002) — foundational across UDLM/DCM/DAV. Both new ADRs model the section. Companion to croadfeldt/udlm#13 (UDLM Topology + placement-data ADRs). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Closes the Policy column of the placement-data substrate. UDLM ADR-001..004 (croadfeldt/udlm#13) supply the Data + Provider sides; these are the control-plane Policy side. All Proposed, pending the engineering re-sync (#163).
ADRs
Topologykinds; the engine evaluates; enforces the portability discipline (no provider-native ids in intent). Consumes UDLMTopology(ADR-001), capacity/utilization (ADR-002), providertopology_capability(ADR-004).Foundational requirement
adr/READMEnow mandates that every ADR / DecisionRecord state itsData · Policy · Provideraspects (the three abstractions, ADR-002) — foundational across UDLM, DCM, and DAV. Both new ADRs model the section. (UDLM gets the mirror requirement in its rubric + ADR template.)This completes the three-abstraction coverage: Data (UDLM #13) + Provider (UDLM ADR-004) + Policy (here), all cross-domain.