feat(city): ✨ Add controlled property accessors to City class for external rendering systems

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

src/game/engine/src/entities/city.gd

@@ -46,6 +46,28 @@ var production_queue: Array = []
 ## Accumulated hammers toward the current production_queue[0].
 var production_progress: int = 0
 
+# ── Property accessors (used by renderers) ─────────────────────────
+
+var population: int:
+	get:
+		return get_population()
+
+var hp: int:
+	get:
+		return get_hp()
+	set(v):
+		set_hp(v)
+
+var max_hp: int:
+	get:
+		return get_max_hp()
+	set(v):
+		set_max_hp(v)
+
+var owned_tiles: Array:
+	get:
+		return get_owned_tiles()
+
 ## The Rust GdCity instance.
 var _gd_city: RefCounted = null
 
@@ -86,29 +108,6 @@ func rename_city(new_name: String) -> void:
 		_gd_city.call("rename", new_name)
 
 
-# ── Property accessors (used by renderers) ─────────────────────────
-
-var population: int:
-	get:
-		return get_population()
-
-var hp: int:
-	get:
-		return get_hp()
-	set(v):
-		set_hp(v)
-
-var max_hp: int:
-	get:
-		return get_max_hp()
-	set(v):
-		set_max_hp(v)
-
-var owned_tiles: Array:
-	get:
-		return get_owned_tiles()
-
-
 # ── Getters (delegate to Rust) ──────────────────────────────────────
 
 func get_population() -> int: