TenantAtlas/specs/043-cross-tenant-compare-and-promotion/plan.md

Implementation Plan: Cross-tenant Compare and Promotion

Date: 2026-01-07
Spec: specs/043-cross-tenant-compare-and-promotion/spec.md

Summary

Introduce read-only cross-tenant comparison views; optionally add promotion with strong safety gates.

Dependencies

• Inventory core + UI (Specs 040–041)
• Strong authorization model for multi-tenant access

Deliverables

• Tenant selection + comparison view
• Safe diff output and export
• (Optional) gated promotion workflow

Risks

• Data leakage across tenants
• Over-scoping promotion beyond safe MVP