feat(input): route temporary pan through tool state

input/index.ts

@@ -5,6 +5,8 @@ export {
 } from "./dom";
 export type { CommandKeybind, GlobalKeybindConsumer, Keybind, KeybindEvent, KeybindMap } from "./keyboard";
 export { handleKeybind, keybindFromEvent } from "./keyboard";
+export type { ViewportPanInputController } from "./viewport-pan";
+export { createViewportPanInputController } from "./viewport-pan";
 export type { GlobalPointerConsumer, GlobalWheelConsumer, PointerInputEvent, WheelInputEvent } from "./pointer";
 export type { ViewportPointerPanHandler } from "./viewport";
 export { createViewportPointerPanHandler, handleViewportWheel } from "./viewport";