Function diagSignature

src/agent/verification.ts:76–78

* Baseline diff (the PVS-Studio "only flag NEW code" idea). Given the diagnostics * that existed BEFORE the agent touched anything (`baseline`) and the ones present * now (`current`), return only the genuinely NEW ones. Matched by file+code+message * (NOT line number, which shifts when the agent

(d: Diagnostic)

 * it worse" — exactly what you want from an automated gate.
 */
function diagSignature(d: Diagnostic): string {
  return `${d.file}|${d.code ?? ''}|${d.message.trim().toLowerCase()}`;
}
export function diffDiagnostics(baseline: Diagnostic[], current: Diagnostic[]): Diagnostic[] {
  const counts = new Map<string, number>();
  for (const d of baseline) {