diff

type DiffHunk struct {
	Start1 int
	Count1 int
	Start2 int
	Count2 int
	Lines  []DiffLine
}

type DiffLine struct {
	Type    rune // ' ' for context, '-' for removed, '+' for added
	Content string
}

type DiffOptions struct {
	Unified        int  // Number of context lines for unified diff
	Side           bool // Side-by-side output
	Brief          bool // Report only when files differ
	IgnoreCase     bool // Ignore case differences
	IgnoreSpace    bool // Ignore whitespace differences
	IgnoreBlank    bool // Ignore blank lines
	Recursive      bool // Recursively compare directories
	JSON           bool // Compare as JSON
	Color          bool // Colorize output
	Context        int  // Lines of context (old style)
	Width          int  // Output width for side-by-side
	SuppressCommon bool // Suppress common lines in side-by-side
}

type DiffResult struct {
	File1  string
	File2  string
	Differ bool
	Hunks  []DiffHunk
}