Move the module-level pure functions (approval-banner dedupe helpers, CLI
banner actions, boot-loader/shell-onboarding guards, remote-dashboard URL
builder) and storage-key constants out of App.tsx into
app/utils/appLifecycle.ts. App.tsx re-exports the seven unit-tested symbols
so existing `from "../../App"` test imports resolve unchanged.
Behavior-preserving; no functional change. Verified: dashboard typecheck
(both passes), eslint clean on both files, 16 pure-function unit tests
pass, App.test.tsx identical to pristine (5 pre-existing experimental-flag
failures, none introduced by this change).
U1 of the App.tsx module-breakup plan
(docs/plans/2026-06-24-001-refactor-dashboard-app-tsx-module-breakup-plan.md).
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