feat(48-textual-tui-removal): remove Textual TUI code from setup_wizard.py

- Remove all 'from textual' imports (BLOCK A)
- Remove all TUI step classes, custom messages, and SetupWizardApp (BLOCK B)
- Replace main() with help-message redirecting to --headless (BLOCK C)
- Preserve: headless_setup(), EnvChecker, AGENT_CONFIGS, _find_vault, _copy_file_incremental, _merge_env_incremental
- All preserved items verified importable and functional
This commit is contained in:
Research Assistant 2026-05-07 19:41:10 +08:00
parent 01d48134cc
commit 37b527586c

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