Fix convoy coordination, AI combat and spectator recovery

tests/test_initial_admission_exhaustion.py

@@ -39,7 +39,7 @@ struct Mode {
 struct Fixture {Mode m;Controller first,second;Fixture(){server=true;world.now=0;game.players.connected={{1,&first}};m.roster.lives[1]=Life();}void tick(float t){world.now=t;m.ServerTick();}void exhaust(){m.InitialAdmissionExhausted(1,&first);}};
 int main(){
  {Fixture f;f.m.roster.survivor=true;f.m.service.defeat=true;f.tick(31000);
- assert(!f.m.Active() && f.m.m_EndReason=="All prisoners are unconscious and no treatment or recovery is progressing.");}
+ assert(!f.m.Active() && f.m.m_EndReason=="Everybody died. All prisoners are unconscious and nobody can recover or receive help.");}
  // Sole exhausted first admission reaches existing grace, without a life/body.
  {Fixture f;f.exhaust();f.tick(0);f.tick(29999);assert(f.m.Active());f.tick(30000);
   assert(f.m.m_Phase==5&&!f.m.m_StartedPlayers&&!f.m.roster.lives[1].UsedLife);