* feat: add server-side TTL for provider snapshots and model list UI
Provider snapshots cached forever, causing newly available models
(e.g. OpenCode Go minimax, glm) to never appear in the picker.
Server: ProviderSnapshotManager now returns stale data immediately
and kicks off a background re-warm when the snapshot is older than
5 minutes. Injectable TTL/clock for testing.
App: Provider settings rows show model count and are tappable to
open a diagnostic sheet with a read-only model list (label + ID).
* feat: add per-provider refresh for models and diagnostic
* refactor: await refresh completion and clean up diagnostic sheet state
- ProviderSnapshotManager.refresh is now async; session.ts awaits it so
the RPC ACK reflects real completion instead of just queuing work.
- Preserve models/modes/fetchedAt on entries during targeted refresh so
the list no longer flashes empty mid-refresh.
- Show "Updated Xs ago" next to the Models count, plus loading and
error states for the list body.
- Split resetSnapshotToLoading into full vs targeted branches.
- Flatten nested ternary in model list rendering into renderModelsBody.
- Drop redundant local refreshing state and cargo useMemo wrappers.
* fix(app): widen isImeComposingKeyboardEvent type to accept optional fields
TextInputKeyPressEventData has isComposing and keyCode as optional, so
Pick<KeyboardEvent, ...> was too narrow and broke typecheck on main.
Add `packages/app/src/constants/platform.ts` with canonical gates
(isWeb, isNative, getIsElectron) and refactor all ~100 ad-hoc
Platform.OS checks across 69 files to use shared imports.
Fix sidebar hover crash on native (onPointerEnter → onHoverIn),
fix tooltip to use breakpoint instead of platform detection, make
sidebar action buttons always visible on native where hover doesn't
work, and document the platform gating decision matrix in CLAUDE.md.
On tablet-sized layouts the welcome-screen modals for direct connection and pair link could collapse so only the header row remained visible.
Adjust the desktop modal card and scroll container flex behavior so the modal body can shrink within the available height and remain visible instead of being clipped out.
Use stackBehavior="replace" on the preferences BottomSheetModal so it
dismisses the tab switcher combobox instead of minimizing it, preventing
the provider from auto-restoring the tab switcher when preferences closes.
