fix(web): persist the Settled shelf's collapsed state

[ipanasenko]

What changed

The Settled shelf in Sidebar V2 now remembers whether you collapsed it.

Why

Collapsing a section reads as a lasting preference, not a per-session one. Tucking history away and finding it back on every relaunch means re-collapsing it forever.

Note

Persist the Settled shelf's collapsed state in local storage

Replaces the in-memory useState for settledShelfExpanded in SidebarV2.tsx with useLocalStorage, keyed at t3code:sidebar-v2:settled-expanded. The shelf now defaults to expanded on first visit and retains its state across page reloads.

^{Macroscope summarized 6d84f3f.}

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Note

Low Risk
UI preference only—no server, auth, or data-path changes; worst case is a bad stored boolean falling back to the default expanded state.

Overview
Persists whether the Sidebar V2 Settled shelf is expanded across reloads by storing that preference in localStorage instead of session-only React state.

settledShelfExpanded in SidebarV2.tsx now uses useLocalStorage with key t3code:sidebar-v2:settled-expanded, default expanded (true), and Schema.Boolean for read/write validation. Collapse/expand behavior is unchanged; only the toggle’s expanded/collapsed choice survives a new session.

^{Reviewed by Cursor Bugbot for commit 6d84f3f. Bugbot is set up for automated code reviews on this repo. Configure here.}

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[macroscopeapp]

Approvability

Verdict: Approved

Simple UI preference persistence using an existing localStorage hook. The change is self-contained with no impact on business logic or sensitive functionality.

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