SANKit
Read and write PGN format and test moves for legality.
... and reports no issues at this time. To use the code as a "framework" you would undefined "CLI".
In addition, a small C++ program is included that takes as input a file of one or more PGN records, and outputs pure pristine PGN records as output. In addition to flagging errors at the move level, the program provides three boards around the move.
NOTE: plan on budgeting a fair amount of time to read, re-read, and experiment with the documentation and cryptic uncommented code. You are on your own