The two-way block diff (yjs-body-merge.diffBlocks) and the three-way merge planner (three-way-merge.lcsPairs) built the identical backward-filled LCS DP table inline. Extract it to lcs.ts (buildLcsTable); each caller keeps its own traceback. No behavior change — merge specs unchanged and green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
913 B
913 B