Phase 1019: document refresh-predicates facade retirement (v0.8.986).

Update PLATFORM_ROADMAP, MESH_STABILITY, AUTOMATED_TESTING, MODULES,
DOCUMENTATION_INDEX, and release notes for mesh stability UI Phase 983 facade
retirement. Non-breaking refactor documentation only.

Co-authored-by: Cursor <[email protected]>

release_notes/RELEASE_v0.8.986.md

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+# Release v0.8.986 — Phase 1019: Mesh Stability UI Refresh-Predicates Facade Retirement
+
+**Date:** 2026-06-05
+**Type:** Non-breaking refactor — mesh stability UI chrome refresh track
+
+## Summary
+
+Phase 1019 retires the Phase 983 refresh-predicates facade after Phases 1012–1018
+extracted all seven rail refresh predicates into dedicated modules. The barrel
+`mesh-stability-ui-refresh-predicates.js` is now re-export-only; snapshot building
+moves to `mesh-stability-ui-refresh-predicate-snapshot.js`. Module audit confirms
+all seven rail kinds have dedicated keys + UI module pairs. Refresh semantics
+unchanged.
+
+## New Modules
+
+### `apps/pearcord/ui/mesh-stability-ui-refresh-predicate-snapshot.js`
+
+- `buildMeshStabilityRefreshPredicateSnapshot()` wired via rail-hash hash fns
+
+### `pearcord-platform/mesh-stability-ui-refresh-predicate-module-audit.js`
+
+- Seven rail kind → dedicated module pair registry + facade retirement version `0.8.986`
+
+## Retired Facade
+
+### `apps/pearcord/ui/mesh-stability-ui-refresh-predicates.js`
+
+- Re-export-only barrel (no inline `eval*` bodies, no hash fn wiring)
+
+## Test Coverage
+
+- `smoke-mesh-stability-ui-refresh-predicate-facade-retirement-build.cjs` — barrel audit + snapshot parity
+- `smoke-phase1019-boot-gate.cjs` — version check (0.8.986)
+- `smoke-agentctl-mesh-stability-ui-refresh-predicate-facade-retirement-journey-stub.cjs` — agentctl stub
+- `test:mesh-stability-ui-refresh-predicate-build` — Phase 983 regression retained in bundle
+- `test:ci-phase1019` — full meta-bundle
+
+## Version
+
+`0.8.985` → `0.8.986`