refactor: remove D30 choice dialog, extract defense reaction buttons, fix bugs

- Remove D30 choice dialog — auto-roll bonus dice, flag special effects
- Fix d30ChangedAttack infinite loop in defense do-while (missing reset)
- Fix chat button dataset attributes (rollType/rollTarget/rollAvantage)
- Extract buildDefenseReactionButtons from both defense loops
- Merge Aether/Grace deduction via _deductResourceOnCast helper
- Extract HP HUD toggling (_toggleHudWraps/_disableHudWraps)
- Fix SYSTEM.EQUIPMENT_CATEGORIES typo in equipment model
- Add missing imports to combat.mjs
- Remove dead d30Auto branches, _buildSpecialLabel, d30-special-choice.hbs

module/utils/combat.mjs

@@ -124,11 +124,6 @@ export async function handleAttackBoosted(msg) {
         await ChatMessage.create({content: msg, speaker: ChatMessage.getSpeaker({actor: defender})})
       }
     }
-    if (d30Result.specialEffect === "auto") {
-      updatedDefenseRoll = attackRollFinal + 1
-      const msg = await foundry.applications.handlebars.renderTemplate("systems/fvtt-lethal-fantasy/templates/chat/reaction-message.hbs", {type:"d30Auto", actorName:defenderName, specialName:d30Result.specialName || "Special Defense", side:"defense"})
-      await ChatMessage.create({content: msg, speaker: ChatMessage.getSpeaker({actor: defender})})
-    }
     if (d30Result.specialEffect === "flag") {
       const msg = await foundry.applications.handlebars.renderTemplate("systems/fvtt-lethal-fantasy/templates/chat/reaction-message.hbs", {type:"d30Flag", actorName:defenderName, specialName:d30Result.specialName || "Special Effect"})
       await ChatMessage.create({content: msg, speaker: ChatMessage.getSpeaker({actor: defender})})
@@ -143,63 +138,8 @@ export async function handleAttackBoosted(msg) {
   // Show the defense reaction dialog — while-loop for multiple reactions
   if (defender) {
     while (updatedDefenseRoll < attackRollFinal) {
-      const currentGrit = Number(defender.system?.grit?.current) || 0
-      const currentLuck = Number(defender.system?.luck?.current) || 0
-      const buttons = []
-
-      if (currentGrit > 0) {
-        buttons.push({
-          action: "grit",
-          type: "button",
-          label: `Spend 1 Grit (+1D6) [${currentGrit} left]`,
-          icon: "fa-solid fa-fist-raised",
-          callback: () => "grit"
-        })
-      }
-
-      if (currentLuck > 0) {
-        buttons.push({
-          action: "luck",
-          type: "button",
-          label: `Spend 1 Luck (+1D6) [${currentLuck} left]`,
-          icon: "fa-solid fa-clover",
-          callback: () => "luck"
-        })
-      }
-
-      buttons.push({
-        action: "bonusDie",
-        type: "button",
-        label: "Add bonus die",
-        icon: "fa-solid fa-dice",
-        callback: () => "bonusDie"
-      })
-
-      if (canShieldReact) {
-        buttons.push({
-          action: "shieldReact",
-          type: "button",
-          label: `Roll shield (${shieldLabel})`,
-          icon: "fa-solid fa-shield",
-          callback: () => "shieldReact"
-        })
-      } else if (canAdHoc) {
-        buttons.push({
-          action: "adHocShield",
-          type: "button",
-          label: "Roll ad-hoc shield (choose dice + DR)",
-          icon: "fa-solid fa-shield-halved",
-          callback: () => "adHocShield"
-        })
-      }
-
-      buttons.push({
-        action: "continue",
-        type: "button",
-        label: "Continue (no defense bonus)",
-        icon: "fa-solid fa-forward",
-        callback: () => "continue"
-      })
+      const shieldData = canShieldReact ? { label: shieldLabel, formula: shieldFormula, damageReduction: shieldDr } : null
+      const buttons = buildDefenseReactionButtons(defender, { canRerollDefense: false, shieldData, canShieldReact, canAdHocShield: canAdHoc })
 
       const choice = await foundry.applications.api.DialogV2.wait({
         window: { title: "Defense reactions — attack boosted" },
@@ -223,13 +163,13 @@ export async function handleAttackBoosted(msg) {
       if (choice === "grit") {
         const bonusRoll = await rollBonusDie("1d6", defender)
         updatedDefenseRoll += bonusRoll
-        await defender.update({ "system.grit.current": currentGrit - 1 })
+        await defender.update({ "system.grit.current": Math.max(0, (Number(defender.system?.grit?.current) || 0) - 1) })
         const gritRmContent = await foundry.applications.handlebars.renderTemplate("systems/fvtt-lethal-fantasy/templates/chat/reaction-message.hbs", {type:"grit", actorName:defenderName, resource:"Grit", value:bonusRoll, side:"defense"})
         await ChatMessage.create({content: gritRmContent, speaker: ChatMessage.getSpeaker({actor: defender})})
       } else if (choice === "luck") {
         const bonusRoll = await rollBonusDie("1d6", defender)
         updatedDefenseRoll += bonusRoll
-        await defender.update({ "system.luck.current": currentLuck - 1 })
+        await defender.update({ "system.luck.current": Math.max(0, (Number(defender.system?.luck?.current) || 0) - 1) })
         const luckRmContent = await foundry.applications.handlebars.renderTemplate("systems/fvtt-lethal-fantasy/templates/chat/reaction-message.hbs", {type:"luck", actorName:defenderName, resource:"Luck", value:bonusRoll, side:"defense"})
         await ChatMessage.create({content: luckRmContent, speaker: ChatMessage.getSpeaker({actor: defender})})
       } else if (choice === "bonusDie") {
@@ -364,6 +304,19 @@ export async function showDefenseRequest(msg) {
 
   const isMonster = defender.type === "monster"
 
+  const _storeNextDefenseData = (opts = {}) => {
+    game.lethalFantasy = game.lethalFantasy || {}
+    game.lethalFantasy.nextDefenseData = {
+      attackerId, attackRoll, attackerName, defenderName,
+      attackWeaponId, attackRollType, attackRollKey,
+      attackD30result, attackD30message, attackRerollContext,
+      damageTier: msg.damageTier,
+      defenderId: defender.id, defenderTokenId,
+      ...(msg.attackNaturalRoll !== undefined && { attackNaturalRoll: msg.attackNaturalRoll }),
+      ...(opts.isRanged !== undefined && { isRanged: opts.isRanged })
+    }
+  }
+
   log(`[LF] showDefenseRequest | attackRollType=${attackRollType} isMonster=${isMonster} defender=${defender?.name}`)
 
   // Spell/miracle attacks use saving throws instead of weapon defense
@@ -398,22 +351,7 @@ export async function showDefenseRequest(msg) {
     if (result) {
       game.lethalFantasy = game.lethalFantasy || {}
       game.lethalFantasy.spellDefense = true // pré-cocher "Save against spell" dans le dialog
-      game.lethalFantasy.nextDefenseData = {
-        attackerId,
-        attackRoll,
-        attackerName,
-        defenderName,
-        attackWeaponId,
-        attackRollType,
-        attackRollKey,
-        attackD30result,
-        attackD30message,
-        attackRerollContext,
-        attackNaturalRoll: msg.attackNaturalRoll,
-        damageTier: msg.damageTier,
-        defenderId: defender.id,
-        defenderTokenId
-      }
+      _storeNextDefenseData()
       if (isMonster) {
         await defender.system.prepareMonsterRoll("save", result)
       } else {
@@ -462,25 +400,7 @@ export async function showDefenseRequest(msg) {
 
     // Si l'utilisateur a validé, lancer le jet de défense
     if (result) {
-      // Stocker temporairement les données pour le hook preCreateChatMessage
-      game.lethalFantasy = game.lethalFantasy || {}
-      game.lethalFantasy.nextDefenseData = {
-        attackerId,
-        attackRoll,
-        attackerName,
-        defenderName,
-        attackWeaponId,
-        attackRollType,
-        attackRollKey,
-        attackD30result,
-        attackD30message,
-        attackRerollContext,
-        attackNaturalRoll: msg.attackNaturalRoll,
-        damageTier: msg.damageTier,
-        defenderId: defender.id,
-        defenderTokenId,
-        isRanged: msg.isRanged
-      }
+      _storeNextDefenseData({ isRanged: msg.isRanged })
 
       await defender.system.prepareMonsterRoll("monster-defense", result)
     }
@@ -497,23 +417,7 @@ export async function showDefenseRequest(msg) {
       actorImage: defender.img,
     })
     if (roll) {
-      game.lethalFantasy = game.lethalFantasy || {}
-      game.lethalFantasy.nextDefenseData = {
-        attackerId,
-        attackRoll,
-        attackerName,
-        defenderName,
-        attackWeaponId,
-        attackRollType,
-        attackRollKey,
-        attackD30result,
-        attackD30message,
-        attackRerollContext,
-        damageTier: msg.damageTier,
-        defenderId: defender.id,
-        defenderTokenId,
-        isRanged: true
-      }
+      _storeNextDefenseData({ isRanged: true })
       await roll.toMessage({}, { messageMode: roll.options.rollMode })
     }
     return
@@ -558,25 +462,7 @@ export async function showDefenseRequest(msg) {
 
   // Si l'utilisateur a validé, lancer le jet de défense
   if (result) {
-    // Stocker temporairement les données pour le hook preCreateChatMessage
-    game.lethalFantasy = game.lethalFantasy || {}
-    game.lethalFantasy.nextDefenseData = {
-      attackerId,
-      attackRoll,
-      attackerName,
-      defenderName,
-      attackWeaponId,
-      attackRollType,
-      attackRollKey,
-      attackD30result,
-      attackD30message,
-      attackRerollContext,
-      attackNaturalRoll: msg.attackNaturalRoll,
-      damageTier: msg.damageTier,
-      defenderId: defender.id,
-      defenderTokenId,
-      isRanged: msg.isRanged
-    }
+    _storeNextDefenseData({ isRanged: msg.isRanged })
 
     log("Storing defense data for character:", defender.id)
 
@@ -584,6 +470,29 @@ export async function showDefenseRequest(msg) {
   }
 }
 
+export function buildDefenseReactionButtons(defender, { canRerollDefense = false, shieldData = null, canShieldReact = false, canAdHocShield = false } = {}) {
+  const currentGrit = Number(defender.system?.grit?.current) || 0
+  const currentLuck = Number(defender.system?.luck?.current) || 0
+  const buttons = []
+  if (currentGrit > 0) {
+    buttons.push({ action: "grit", type: "button", label: `Spend 1 Grit (+1D6) [${currentGrit} left]`, icon: "fa-solid fa-fist-raised", callback: () => "grit" })
+  }
+  if (currentLuck > 0) {
+    buttons.push({ action: "luck", type: "button", label: `Spend 1 Luck (+1D6) [${currentLuck} left]`, icon: "fa-solid fa-clover", callback: () => "luck" })
+  }
+  buttons.push({ action: "bonusDie", type: "button", label: "Add bonus die", icon: "fa-solid fa-dice", callback: () => "bonusDie" })
+  if (canRerollDefense) {
+    buttons.push({ action: "rerollDefense", type: "button", label: "Re-roll defense (Mulligan)", icon: "fa-solid fa-rotate-right", callback: () => "rerollDefense" })
+  }
+  if (canShieldReact && shieldData) {
+    buttons.push({ action: "shieldReact", type: "button", label: `Roll shield (${shieldData.label})`, icon: "fa-solid fa-shield", callback: () => "shieldReact" })
+  } else if (canAdHocShield) {
+    buttons.push({ action: "adHocShield", type: "button", label: "Roll ad-hoc shield (choose dice + DR)", icon: "fa-solid fa-shield-halved", callback: () => "adHocShield" })
+  }
+  buttons.push({ action: "continue", type: "button", label: "Continue (no defense bonus)", icon: "fa-solid fa-forward", callback: () => "continue" })
+  return buttons
+}
+
 export function getCombatBonusDiceChoices() {
   return ["1d4", "1d6", "1d8", "1d10", "1d12", "1d20", "1d20e"]
 }