[hfribert]

• New process functions (processDataCustomVertexer/processMcCustomVertexer) pair the photon daughters in the task
  without subscribing to V0Datas
• The xy circle of each photon daughter is computed once per track, and the circle-touch cut is applied
  directly in the pairing
• New photonPrefitWithoutMatCorr (default true), fits without material correction first, rejecting pairs with
  DCA > photonPrefitMaxDca (3 cm) before the full fit.
• Reduced CPU usage by roughly 85 % for the sigmaplusbuilder contribution in local test (while keeping most/all true signal)

[github-actions]

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