0.6.8

• Include boundary violation paths and reasons in Markdown release reports.
• Show expected/actual manifest file counts and missing, modified, and unexpected paths, with explicit empty categories for passing checks.
• Escape filename markup and render control characters literally in Markdown diagnostics and extension summaries. Preserve JSON fields and CLI statuses.
• Add regression coverage for failed and passing checks, optional manifests, literal filenames, and CLI Markdown/JSON output.