Why: The approved role and permission implementation needs a focused, reviewable path through browser acceptance, component delivery, and guarded closure.
Evidence: Structural audit confirms DR1-DR21, U1-U9, and KTD1-KTD6; git diff --check passes; six-lens document review findings are incorporated.
Impact: Adds the stage 7-10 plan, records the focused specification approval, and indexes the plan without authorizing production migration or deployment.
Refs: feature/iam-u4-role-authority
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