Diff Merger

3-way text merge: Base + Left + Right → merged output with conflict detection

Base (Original)

Left Version

Right Version

7 lines1 left4 right1 conflicts

Merged Result

🔵 Left 🟢 Right 🔴 Conflict
1Hello World
2LThis is line 2 (edited by left)
3RThis is line 2
4RThis is line 3 (edited by right)
5RThis is line 4
6RCommon ending
7Added by left