Problem

The obsidian skill currently only supports macOS. On Windows, installation fails with 'brew not installed' because:

1. obsidian-cli is only installable via Homebrew (yakitrak/yakitrak/obsidian-cli)
2. The vault config path is hardcoded to ~/Library/Application Support/obsidian/obsidian.json (macOS only)

Windows Equivalent

• obsidian-cli: Available via go install github.com/yakitrak/obsidian-cli@latest or scoop install obsidian-cli
• Vault config path on Windows: %APPDATA%\Obsidian\obsidian.json

Request

Please add Windows support by:

1. Detecting the OS and using the appropriate vault config path
2. Supporting Windows installation methods (scoop/winget/go install) instead of brew-only

Many Obsidian users are on Windows and would benefit from this skill.