docs(08-01): complete Permission Data Models and Mapping Layer plan

- SUMMARY.md with self-check passed
- STATE.md updated to Phase 8, Plan 1 complete
- ROADMAP.md progress updated for Phase 8
- SIMP-01 and SIMP-02 requirements marked complete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/ROADMAP.md

@@ -75,7 +75,7 @@ Plans:
   2. The report shows summary counts per permission level with color indicators distinguishing high, medium, and low access levels
   3. A detail-level selector (simple / detailed) controls whether individual item-level rows are shown or collapsed into summary rows
   4. Toggling modes and detail level does not require re-running the scan — it re-renders from the already-fetched data
-**Plans:** 6 plans
+**Plans:** 1/6 plans executed
 Plans:
 - [ ] 08-01-PLAN.md — RiskLevel enum, PermissionLevelMapping, SimplifiedPermissionEntry, PermissionSummary (Wave 1)
 - [ ] 08-02-PLAN.md — PermissionsViewModel simplified mode, detail toggle, summary computation (Wave 2)
@@ -106,5 +106,5 @@ Plans:
 | 5. Distribution and Hardening | v1.0 | 3/3 | Complete | 2026-04-03 |
 | 6. Global Site Selection | 5/5 | Complete   | 2026-04-07 | - |
 | 7. User Access Audit | 10/10 | Complete   | 2026-04-07 | - |
-| 8. Simplified Permissions | v1.1 | 0/6 | Planned | - |
+| 8. Simplified Permissions | 1/6 | In Progress|  | - |
 | 9. Storage Visualization | v1.1 | 0/? | Not started | - |