Merge pull request #106 from shkm/fix/terminal-exit-cleanup

Fix terminal cleanup when Claude process exits

Merge pull request #37 from krishna-bala/krishna.add-floating-window-2

fix(terminal): add buffer validation guards and improve tests

test(terminal): fix all remaining test failures

test(terminal): partial fix for window close test

test(terminal): fix vim.o numeric value preservation

test(terminal): add mocks for new Neovim APIs

fix(terminal): update deprecated Neovim APIs

feat: resolve merge conflicts and refactor for code quality

fix: improve floating window vertical centering accuracy

fix: address CodeRabbit feedback and improve code quality

test: fix test mocks for buffer validation changes

feat: add buffer state validation for reused buffers

fix: correct split command logic in create_split