Function drag

src/utils/computerUse/executor.ts:644–659

* `from === undefined` → drag from current cursor (training's * left_click_drag with start_coordinate omitted). Inner `finally`: the * button is ALWAYS released even if the move throws — otherwise the * user's left button is stuck-pressed until they physically click. * 50ms sleep

(
      from: { x: number; y: number } | undefined,
      to: { x: number; y: number },
    )

     * needs a HID-tap round-trip to show up there.
     */
    async drag(
      from: { x: number; y: number } | undefined,
      to: { x: number; y: number },
    ): Promise<void> {
      const input = requireComputerUseInput()
      if (from !== undefined) {
        await moveAndSettle(input, from.x, from.y)
      }
      await input.mouseButton('left', 'press')
      await sleep(MOVE_SETTLE_MS)
      try {
        await animatedMove(input, to.x, to.y, getMouseAnimationEnabled())
      } finally {
        await input.mouseButton('left', 'release')
      }
    },

    /**
     * Move first, then scroll each axis. Vertical-first — it's the common