feat: add Settlement actor type with Overview/Buildings/Inventory tabs

- New TypeDataModel: archetype, territory, renown, currency (gp/sp/cp),
  garrison, underSiege, isCapital, founded, taxNotes, description, notes
- 3-tab ApplicationV2 sheet with drag & drop for building/weapon/armor/equipment
- Currency steppers (+/−), building constructed toggle, qty controls
- LESS-based CSS (settlement-sheet.less) + base.less updated for shared styles
- Full i18n keys in lang/en.json (8 settlement archetypes)
- system.json: registered settlement actor type

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

module/applications/spell-dialog.mjs

@@ -52,6 +52,22 @@ export default class OathHammerSpellDialog {
       return { value: v, label: v > 0 ? `+${v}` : String(v), selected: v === 0 }
     })
 
+    const availableLuck    = actorSys.luck?.value ?? 0
+    const isHuman          = (actorSys.lineage?.name ?? "").toLowerCase() === "human"
+    const luckDicePerPoint = isHuman ? 3 : 2
+    const luckOptions      = Array.from({ length: availableLuck + 1 }, (_, i) => ({
+      value: i,
+      label: i === 0 ? "0" : `${i} (+${i * luckDicePerPoint}d)`,
+      selected: i === 0,
+    }))
+
+    // Pool size selector: casters may roll fewer dice to reduce Arcane Stress (p.101)
+    const poolSizeOptions = Array.from({ length: basePool }, (_, i) => ({
+      value: i + 1,
+      label: `${i + 1}d`,
+      selected: i + 1 === basePool,
+    }))
+
     const rollModes = foundry.utils.duplicate(CONFIG.Dice.rollModes)
 
     const context = {
@@ -70,11 +86,15 @@ export default class OathHammerSpellDialog {
       intRank,
       magicRank,
       basePool,
+      poolSizeOptions,
       currentStress,
       stressThreshold,
       isOverThreshold,
       enhancementOptions,
       bonusOptions,
+      availableLuck,
+      isHuman,
+      luckOptions,
       rollModes,
       visibility: game.settings.get("core", "rollMode"),
     }
@@ -116,9 +136,12 @@ export default class OathHammerSpellDialog {
       noStress:        enh.noStress,
       elementalBonus:  parseInt(result.elementalBonus) || 0,
       bonus:           parseInt(result.bonus)           || 0,
+      poolSize:        Math.min(Math.max(1, parseInt(result.poolSize) || basePool), basePool),
       grimPenalty:     parseInt(result.noGrimoire)      || 0,
       visibility:      result.visibility ?? game.settings.get("core", "rollMode"),
       explodeOn5:      result.explodeOn5 === "true",
+      luckSpend:       Math.min(Math.max(0, parseInt(result.luckSpend) || 0), availableLuck),
+      luckIsHuman:     result.luckIsHuman === "true",
     }
   }
 }