chore: include pre-built dist for github install

dist/features/tmux-subagent/index.d.ts

@@ -0,0 +1,16 @@
+export * from "./manager";
+export * from "./event-handlers";
+export * from "./polling";
+export * from "./cleanup";
+export * from "./session-created-event";
+export * from "./session-created-handler";
+export * from "./session-deleted-handler";
+export * from "./polling-constants";
+export * from "./session-status-parser";
+export * from "./session-message-count";
+export * from "./session-ready-waiter";
+export * from "./types";
+export * from "./pane-state-parser";
+export * from "./pane-state-querier";
+export * from "./decision-engine";
+export * from "./action-executor";