feat(game-entities): ✨ Enhance stub JSON files with attributes, effects, and metadata for buildings and units to enable advanced gameplay logic

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

public/games/age-of-dwarves/data/buildings/stub.json

@@ -2,12 +2,26 @@
   {
     "id": "granary",
     "name": "Granary",
-    "description": "Stores food surplus, reducing starvation risk",
-    "sprite": "sprites/buildings/granary.png",
-    "category": "infrastructure",
+    "description": "A cool, stone-lined vault that stores food surplus. Reduces starvation risk and accelerates growth.",
+    "placement": "city",
+    "category": "food",
     "school": null,
+    "cost": 40,
+    "upkeep": 1,
+    "tech_required": null,
     "race_required": null,
-    "cost": 60,
-    "upkeep": 1
+    "wonder_type": null,
+    "mana_generated": null,
+    "tier": 1,
+    "effects": [
+      { "type": "food", "value": 2 }
+    ],
+    "sprite": "sprites/buildings/granary.png",
+    "encyclopedia": {
+      "category": "civilization",
+      "entry_type": "building",
+      "detail_route": "/buildings/buildings",
+      "tags": ["food"]
+    }
   }
 ]

public/games/age-of-dwarves/data/units/stub.json

@@ -1,17 +1,40 @@
 [
   {
-    "id": "founder",
-    "name": "Founder",
-    "description": "Colonist who founds new cities",
-    "gender": {
-      "male": { "name": "Founder", "sprite": "sprites/units/founder_m.png" },
-      "female": { "name": "Founder", "sprite": "sprites/units/founder_f.png" }
-    },
-    "combat_type": "civilian",
+    "id": "settler",
+    "name": "Settler",
+    "description": "A colonist who founds new cities. Consumed upon founding.",
+    "unit_type": "support",
     "school": null,
     "domain": "land",
-    "keywords": [],
-    "sprite": "sprites/units/founder.png",
-    "race_required": null
+    "attributes": ["light", "biological"],
+    "attack_type": "none",
+    "hp": 40,
+    "attack": 0,
+    "defense": 4,
+    "ranged_attack": 0,
+    "range": 0,
+    "movement": 2,
+    "vision": 2,
+    "cost": 106,
+    "tech_required": null,
+    "upgradeable_from": null,
+    "race_required": null,
+    "faction": null,
+    "can_found_city": true,
+    "can_build_improvements": false,
+    "flags": [],
+    "mana_cost": null,
+    "sprite": "sprites/units/settler.png",
+    "gender": {
+      "male": { "name": "Settler", "sprite": "sprites/units/settler_m.png" },
+      "female": { "name": "Settler", "sprite": "sprites/units/settler_f.png" }
+    },
+    "maintenance": 5,
+    "encyclopedia": {
+      "category": "civilization",
+      "entry_type": "unit",
+      "detail_route": "/military/units",
+      "tags": ["land", "support", "civilian"]
+    }
   }
 ]