feat: add automatic periodic refresh for container and image lists

fix: remove unused local variables and duplicate fields in tests

refactor: improve responsibility separation and code architecture

fix: resolve window width calculation and refresh issues

refactor: eliminate redundant code patterns across the codebase

style: format Lua files with stylua

refactor: replace text parsing with buffer-stored container data

feat: implement dynamic height calculation for auto-resize

feat: add container inspect functionality with jq integration

style: format code with stylua and update tests

feat: implement dynamic window width with proper column alignment

feat: improve attach functionality based on denops-docker.vim analysis

feat: enhance UI with kill functionality and improved styling

feat: implement unified floating window UI with enhanced UX