Add an export/share function for a snapshot (markdown or HTML report) so a snapshot can be shared without the UI.\n\nAcceptance criteria:\n- Export available from UI and/or CLI\n- Output is deterministic and includes metadata (date, source root, counts)\n- README documents export command
Add an export/share function for a snapshot (markdown or HTML report) so a snapshot can be shared without the UI.\n\nAcceptance criteria:\n- Export available from UI and/or CLI\n- Output is deterministic and includes metadata (date, source root, counts)\n- README documents export command