Initial public release

packages/ui/src/hooks/useSessionActivity.ts

@@ -0,0 +1,53 @@
+
+
+import React from 'react';
+import { useSessionStore } from '@/stores/useSessionStore';
+
+export type SessionActivityPhase = 'idle' | 'busy' | 'cooldown';
+
+export interface SessionActivityResult {
+
+  phase: SessionActivityPhase;
+
+  isWorking: boolean;
+
+  isBusy: boolean;
+
+  isCooldown: boolean;
+}
+
+const IDLE_RESULT: SessionActivityResult = {
+  phase: 'idle',
+  isWorking: false,
+  isBusy: false,
+  isCooldown: false,
+};
+
+export function useSessionActivity(sessionId: string | null | undefined): SessionActivityResult {
+
+  const phase = useSessionStore((state) => {
+    if (!sessionId || !state.sessionActivityPhase) {
+      return 'idle' as SessionActivityPhase;
+    }
+    return state.sessionActivityPhase.get(sessionId) ?? ('idle' as SessionActivityPhase);
+  });
+
+  return React.useMemo<SessionActivityResult>(() => {
+    if (phase === 'idle') {
+      return IDLE_RESULT;
+    }
+    const isBusy = phase === 'busy';
+    const isCooldown = phase === 'cooldown';
+    return {
+      phase,
+      isWorking: isBusy || isCooldown,
+      isBusy,
+      isCooldown,
+    };
+  }, [phase]);
+}
+
+export function useCurrentSessionActivity(): SessionActivityResult {
+  const currentSessionId = useSessionStore((state) => state.currentSessionId);
+  return useSessionActivity(currentSessionId);
+}