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>

lang/en.json

@@ -14,7 +14,8 @@
       "Oath": "Oath Hammer Oath Sheet",
       "Condition": "Oath Hammer Condition Sheet",
       "Class": "Oath Hammer Class Sheet",
-      "Building": "Oath Hammer Building Sheet"
+      "Building": "Oath Hammer Building Sheet",
+      "Settlement": "Oath Hammer Settlement Sheet"
     },
     "Tab": {
       "Identity": "Identity",
@@ -22,7 +23,10 @@
       "Combat": "Combat",
       "Magic": "Magic",
       "Equipment": "Equipment",
-      "Notes": "Notes"
+      "Notes": "Notes",
+      "Overview": "Overview",
+      "Buildings": "Buildings",
+      "Inventory": "Inventory"
     },
     "Attribute": {
       "Might": "Might",
@@ -208,6 +212,7 @@
       "Movement": "Movement",
       "ArcaneStress": "Arcane Stress",
       "StressValue": "Stress",
+      "ThresholdBonus": "Threshold Bonus",
       "Attributes": "Attributes",
       "Biodata": "Background",
       "Background": "Background",
@@ -277,10 +282,25 @@
       "Ritual": "Ritual",
       "MagicMissile": "Magic Missile",
       "SpellSave": "Save",
+      "Range": "Range",
+      "Duration": "Duration",
       "StressBlocked": "BLOCKED — over stress threshold!",
-      "ArcaneStressShort": "AS",
       "InitiativeBonus": "Initiative Bonus",
-      "Initiative": "Initiative"
+      "Initiative": "Initiative",
+      "Treasury": "Treasury",
+      "Renown": "Renown",
+      "Territory": "Territory",
+      "Population": "Population",
+      "Garrison": "Garrison",
+      "UnderSiege": "Under Siege",
+      "IsCapital": "Capital",
+      "Capital": "Capital",
+      "Founded": "Founded",
+      "TaxNotes": "Tax Notes",
+      "TaxRevenue": "Tax Revenue",
+      "Cost": "Cost",
+      "Built": "Built",
+      "Armors": "Armors & Shields"
     },
     "ColorDice": {
       "White": "White (4+)",
@@ -301,7 +321,8 @@
       "CastSpell": "Cast Spell",
       "InvokeMiracle": "Invoke Miracle",
       "ResetMiracleBlocked": "Restore divine favour (new day)",
-      "NewDay": "New day"
+      "NewDay": "New day",
+      "ClearStress": "Clear Stress (full rest)"
     },
     "Dialog": {
       "SkillCheckTitle": "Skill Check: {skill}",
@@ -355,6 +376,9 @@
       "Grimoire": "Grimoire",
       "GrimoireHas": "Has Grimoire",
       "GrimoireNo": "No Grimoire (−2)",
+      "PoolSize": "Pool Size",
+      "PoolSizeHint": "Roll fewer dice to reduce Arcane Stress risk (p.101)",
+      "PoolSizeReduced": "reduced pool",
       "MiracleCastTitle": "Invoke Miracle: {miracle}",
       "InvokeMiracle": "Invoke Miracle",
       "InvokeOptions": "Invoke Options",
@@ -947,6 +971,25 @@
           "label": "Violated"
         }
       }
+    },
+    "Warning": {
+      "MiracleBlocked": "Divine favour has been lost — you cannot invoke miracles until a new day."
+    },
+    "SettlementArchetype": {
+      "CenterOfLearning":  "Center of Learning",
+      "DwarvenBorough":    "Dwarven Borough",
+      "FreeCity":          "Free City",
+      "GuildMunicipality": "Guild Municipality",
+      "NocklanderOutpost": "Nocklander Outpost",
+      "PilgrimMission":    "Pilgrim Mission",
+      "PortTown":          "Port Town",
+      "VelathiColony":     "Velathi Colony"
+    },
+    "Settlement": {
+      "BuildingHint": "Drag & drop building items here. Toggle the checkbox to mark them as constructed.",
+      "InventoryHint": "Drag & drop weapons, armor, or equipment here to store them in the settlement reserve.",
+      "NoBuildings": "No buildings yet. Drag building items here.",
+      "NoInventory": "No stored inventory. Drag weapons, armor, or equipment here."
     }
   },
   "TYPES": {
@@ -965,10 +1008,8 @@
     },
     "Actor": {
       "character": "Character",
-      "npc": "NPC"
-    },
-    "Warning": {
-      "MiracleBlocked": "Divine favour has been lost — you cannot invoke miracles until a new day."
+      "npc": "NPC",
+      "settlement": "Settlement"
     }
   }
 }