gfPreBattleInterfaceActive and gfUsePersistantPBI are now file-static in
PreBattle Interface.cpp, reached only through Is/Set accessors declared in
the header. No behavior change: getters return BOOLEAN so ==TRUE/==FALSE
sites are untouched semantically.
Verify: grep 'gfPreBattleInterfaceActive\|gfUsePersistantPBI' across the tree
hits only the two static definitions, the four accessor bodies (all in
PreBattle Interface.cpp), and two commented-out Asserts in Strategic
Movement.cpp. Every other former site now calls an accessor. Build: JA2.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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