style(desktop): satisfy lint across PR-touched files

apps/desktop/src/app/session/hooks/use-message-stream.ts

@@ -313,6 +313,7 @@ export function useMessageStream({
     // commit and the synthetic harness shows longtask counts drop from ~5/5s
     // to ~1/5s on big sessions (see scripts/profile-typing-lag.md).
     const sinceLast = performance.now() - lastFlushAtRef.current
+
     const runFlush = () => {
       flushHandleRef.current = null
       lastFlushAtRef.current = performance.now()

apps/desktop/src/app/session/hooks/use-session-state-cache.ts

@@ -158,6 +158,7 @@ export function useSessionStateCache({
 
       setSessionWorking(next.storedSessionId, next.busy)
       setSessionAttention(next.storedSessionId, next.needsInput)
+
       // Every state update is effectively a "still alive" heartbeat for
       // streaming events. The session-store watchdog uses this to keep the
       // working flag alive during long-running turns and to clear it once
@@ -165,6 +166,7 @@ export function useSessionStateCache({
       if (next.busy) {
         noteSessionActivity(next.storedSessionId)
       }
+
       syncSessionStateToView(sessionId, next)
 
       return next