Module diff 

Structs

PerFileDiff

Structured diff result for a single file.

Enums

PerFileStatus

Classification of how a file changed between two snapshots.

Functions

diff_file_contents

Diff per file content sets.

generate_diff

Original API: produce a single markdown section headed by “## File Differences”. (Kept unchanged for compatibility.)

render_per_file_diffs

Render a collection of per file diffs into markdown WITHOUT a global “## File Differences” header. Each file begins with a “### Diff: <path>” heading so that it can be appended near the changed files summary.