Update D30 descriptions and add simple shield option for NPCs

module/utils.mjs

@@ -527,6 +527,75 @@ export default class LethalFantasyUtils {
   }
 
   /* -------------------------------------------- */
+  /**
+   * Prompt the GM or player to choose an ad-hoc shield dice and DR value.
+   * Used when the defender has no pre-configured shield equipment.
+   * @param {string} defenderName
+   * @param {number} attackRoll
+   * @param {number} defenseRoll
+   * @returns {Promise<{formula: string, damageReduction: number}|null>}
+   */
+  static async promptAdHocShield(defenderName, attackRoll, defenseRoll) {
+    const choices = this.getCombatBonusDiceChoices()
+    const optionsHtml = choices.map(c => `<option value="${c}">${c.toUpperCase()}</option>`).join("")
+    const content = `
+      <div class="grit-luck-dialog">
+        <div class="combat-status">
+          <p><strong>${defenderName}</strong> uses a shield (not equipped)</p>
+          <p>Attack: <strong>${attackRoll}</strong> — Current defense: <strong>${defenseRoll}</strong></p>
+        </div>
+        <div class="weapon-selection" style="margin-top:8px;">
+          <label for="shield-dice">Shield dice:</label>
+          <select id="shield-dice" name="shieldDice" style="width: 100%; margin-top: 4px;">
+            ${optionsHtml}
+          </select>
+        </div>
+        <div class="weapon-selection" style="margin-top:8px;">
+          <label for="shield-dr">Shield DR value:</label>
+          <input id="shield-dr" name="shieldDR" type="number" min="0" value="0" style="width: 100%; margin-top: 4px;" />
+        </div>
+      </div>
+    `
+
+    const raw = await foundry.applications.api.DialogV2.wait({
+      window: { title: "Ad-hoc Shield Roll" },
+      classes: ["lethalfantasy"],
+      content,
+      buttons: [
+        {
+          action: "roll",
+          label: "Roll Shield",
+          icon: "fa-solid fa-shield",
+          callback: (event, button) => {
+            const shieldDice = button.form?.elements?.shieldDice ?? button.closest("form")?.elements?.shieldDice
+            const shieldDR = button.form?.elements?.shieldDR ?? button.closest("form")?.elements?.shieldDR
+            return {
+              formula: shieldDice?.value ?? "1d6",
+              damageReduction: Number(shieldDR?.value) || 0
+            }
+          }
+        },
+        {
+          action: "cancel",
+          label: "Cancel",
+          icon: "fa-solid fa-xmark",
+          callback: () => null
+        }
+      ],
+      rejectClose: false
+    })
+
+    return raw ?? null
+  }
+
+  /* -------------------------------------------- */
+  /**
+   * Roll a bonus die formula, optionally showing Dice So Nice animation and posting a chat message.
+   * @param {string} formula
+   * @param {Actor} actor
+   * @param {Function} [messageContent]
+   * @returns {Promise<number>}
+   */
   static async rollBonusDie(formula, actor, messageContent) {
     const roll = new Roll(formula)
     await roll.evaluate()