Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/src/app/chat/route-session-state.ts

@@ -0,0 +1,30 @@
+import { sessionMatchesStoredId } from '@/store/session'
+import type { SessionInfo } from '@/types/hermes'
+
+/**
+ * Whether the route points at a different conversation than the selected view.
+ *
+ * Auto-compression rotates a conversation from its root id to a continuation
+ * tip while the durable URL intentionally stays on the root. Those ids are
+ * different strings but still the same conversation, so a loaded lineage row
+ * must win over the raw comparison. An unknown route remains a mismatch: that
+ * is the real navigation case where the old transcript/composer must hide
+ * until resume finishes.
+ */
+export function isRouteSessionMismatch(
+  routedSessionId: null | string,
+  selectedSessionId: null | string,
+  sessions: readonly Pick<SessionInfo, '_lineage_root_id' | 'id'>[]
+): boolean {
+  if (!routedSessionId || routedSessionId === selectedSessionId) {
+    return false
+  }
+
+  if (!selectedSessionId) {
+    return true
+  }
+
+  return !sessions.some(
+    session => sessionMatchesStoredId(session, routedSessionId) && sessionMatchesStoredId(session, selectedSessionId)
+  )
+}