fix(team-mode): track session-created team runs

src/features/team-mode/team-runtime/session-team-run-registry.ts

@@ -0,0 +1,17 @@
+const sessionCreatedTeamRunIds = new Set<string>()
+
+export function registerTeamRunForSessionCleanup(teamRunId: string): void {
+  sessionCreatedTeamRunIds.add(teamRunId)
+}
+
+export function unregisterTeamRunForSessionCleanup(teamRunId: string): void {
+  sessionCreatedTeamRunIds.delete(teamRunId)
+}
+
+export function getSessionCreatedTeamRunIds(): string[] {
+  return Array.from(sessionCreatedTeamRunIds)
+}
+
+export function clearSessionTeamRunCleanupRegistry(): void {
+  sessionCreatedTeamRunIds.clear()
+}