035304f15b
Both open_file() functions were stubs that opened the file but never launched the terminal interface. tlcedit/tlcview would silently exit without displaying anything. - editor::open_file(): create Tui, render editor, run key event loop, handle Save/Close/SaveThenClose/DiscardThenClose results - viewer::open_file(): create Tui, render viewer, run key event loop, exit when handle_key returns true