Create a CLI that translates paths and executes commands across Windows 11 and WSL (wslpath powershell). Flags: --to-win, --to-wsl, --exec 'cmd'. Examples for file mounts.
Implement a CLI notes store with tags, full-text search, and sync folder support (Git optional). Flags: --new, --tag, --search, --edit, --export md. Cross-platform path defaults.
Build a simple encrypted vault using OS keyring/DPAPI/Keychain or age/openssl fallback. CRUD operations, clipboard copy with auto-clear, and search. Flags: --add, --get, --list.
Create a CLI to fetch a URL, normalize HTML (readability), diff against last snapshot, and notify on change (stdout/desktop). Flags: --url, --interval, --selector, --save.
Write a CLI that tests regex patterns against files/stdin, prints captured groups, timing, and common pitfalls (greedy vs lazy). Flags: --pattern, --file, --multiline, --ignorecase.
Implement a cross-platform file watcher that runs a command on change with debounce and include/exclude globs. Flags: --cmd, --debounce 300ms, --include, --exclude, --ext.
Create a CLI that logs battery %, wear level, charge cycles, and power source. Use upower/pmset/PowerShell WMI. Flags: --watch, --csv, --notify thresholds.
Implement a CLI that reports NVIDIA/AMD/Apple GPU usage using nvidia-smi/rocm-smi/Metal APIs. Flags: --watch, --processes, --export csv. Include CPU-only fallback message.