[FEATURE] Advanced Tamper Detection with Diffing

[erik-sv]

Problem Statement

Slight edits break verification, but there’s no visibility into what changed.

Proposed Solution

• Add optional tamper report flag
• Show visual or CLI diff: "5 characters removed, 1 metadata byte modified"
• Provide a breakdown of changed fields and affected sections

Alternative Solutions

• No reporting: treat verification failure as binary

Use Cases

1. A compliance reviewer needs to know how content was altered.
2. Platform detects user manipulation and logs type of tampering.

Implementation Ideas

• Use Levenshtein or byte-diffing
• Show diff summary as CLI output or HTML report

Additional Context

Aligns with legal, publishing, and forensic use cases.