47dab9ee97
- Added atom edit support for Lid ranges, before-anchor inserts, and no-op Lid=TEXT success handling. - Expanded hashline recovery to scan shifted hashes, match unique alternates, and emit ±5 anchor-shift hints. - Added edit failure categorization with per-category counts, percentages, and detailed report lines. - Added regression coverage for shifted-hash recovery, range continuation, cursor shorthand, and split-file atom ops.