placement_id,event_id,button_label,reward,scope_limit,eligibility,transaction_key,idempotency_rule,failure_rule,source_tag
BOOST_DIG_EXTRA,EV-140,立即增加5次,add 5 dig actions,once per event instance,event phase READY and boostUsed false,eventInstanceId+placementId,"COMMITTED returns prior result without applying again",no state change and no usage consumed,DEFERRED_NOT_EXPOSED
BOOST_CHEST_REROLL,EV-141,重抽1件装备,discard current unaccepted gear and generate one non-identical catalog-quality-status tuple,once per event instance,gear offer exists and boostUsed false,eventInstanceId+placementId,"COMMITTED restores rerolled gear instance",no state change and no usage consumed,DEFERRED_NOT_EXPOSED
BOOST_MERCHANT_POINTS,EV-MERCHANT,立即获得20点,add 20 points,once per merchant instance,shop open and boostUsed false,eventInstanceId+placementId,"COMMITTED restores balance delta once",no state change and no usage consumed,DEFERRED_NOT_EXPOSED
BOOST_CAMPFIRE_HEAL_TILE,EV-138,额外恢复10%并生成1个有益地块,heal 10 percent max hp then enqueue one core good tile install,once per event instance,recovery event unresolved and boostUsed false,eventInstanceId+placementId,"COMMITTED restores hp and exact installed tile once",if no legal tile enqueue next-floor install,DEFERRED_NOT_EXPOSED
BOOST_SMITHY_RATE,EV-137,提升本次强化概率,set current attempt rates to 100|80|50|30,once per event instance,gear selected before random resolution and boostUsed false,eventInstanceId+placementId,"COMMITTED restores boosted rate flag; random result uses stored roll",after forge resolved placement becomes ineligible,DEFERRED_NOT_EXPOSED
BOOST_BLESSING_REROLL,EV-144,强制换成新祝福,replace current card with non-identical card and force accept,once per event instance,original card revealed and boostUsed false,eventInstanceId+placementId,"COMMITTED restores replacement card and cannot redraw",if pool has only same card grant original and mark committed,DEFERRED_NOT_EXPOSED
BOOST_CLAW_ATTEMPT,EV-151,增加1次抓取,add 1 claw attempt,once per event instance,claw round not ended and boostUsed false,eventInstanceId+placementId,"COMMITTED restores attempt count once",no state change and no usage consumed,DEFERRED_NOT_EXPOSED
BOOST_BUBBLE_SHOT,EV-166,增加1发,add 1 bubble projectile,once per event instance,bubble round not ended and boostUsed false,eventInstanceId+placementId,"COMMITTED restores projectile count once",no state change and no usage consumed,DEFERRED_NOT_EXPOSED
BOOST_REVIVE,BATTLE,恢复50%最大生命并继续,ceil maxHp times 0.50 and resume exact BattleSnapshot,once per floor,source Revive blessing resolved and player still dead and reviveUsedThisFloor false,runId+floor+placementId,"COMMITTED restores exact post-revive snapshot without healing twice",second death same floor fails run,DEFERRED_NOT_EXPOSED