Split workspace into electron and ui packages

packages/ui/src/stores/session-compaction.ts

@@ -0,0 +1,24 @@
+import { createSignal } from "solid-js"
+
+function makeKey(instanceId: string, sessionId: string): string {
+  return `${instanceId}:${sessionId}`
+}
+
+const [compactingSessions, setCompactingSessions] = createSignal<Map<string, boolean>>(new Map())
+
+export function setSessionCompactionState(instanceId: string, sessionId: string, isCompacting: boolean): void {
+  setCompactingSessions((prev) => {
+    const next = new Map(prev)
+    const key = makeKey(instanceId, sessionId)
+    if (isCompacting) {
+      next.set(key, true)
+    } else {
+      next.delete(key)
+    }
+    return next
+  })
+}
+
+export function isSessionCompactionActive(instanceId: string, sessionId: string): boolean {
+  return compactingSessions().get(makeKey(instanceId, sessionId)) ?? false
+}