rename client/graphics → client/hud

The contents (Lit web components for in-game chat, build menu, leaderboard,
attack displays, etc.) are HUD, not graphics — the actual graphics is in
client/render/.

src/client/ClientGameRunner.ts

@@ -66,7 +66,7 @@ import {
 } from "./Transport";
 import { createCanvas } from "./Utils";
 import { WebGLFrameBuilder } from "./WebGLFrameBuilder";
-import { createRenderer, GameRenderer } from "./graphics/GameRenderer";
+import { createRenderer, GameRenderer } from "./hud/GameRenderer";
 import { GameView as WebGLGameView } from "./render/gl";
 import { ALL_UNIT_TYPES } from "./render/types";
 import { SoundManager } from "./sound/SoundManager";

src/client/render/GameConstants.ts

@@ -6,7 +6,7 @@
  *
  * Primary sources:
  *   - vendor/openfront/src/core/configuration/DefaultConfig.ts  (DefaultConfig, DefaultServerConfig)
- *   - vendor/openfront/src/client/graphics/layers/FxLayer.ts    (visual-only constants)
+ *   - vendor/openfront/src/client/hud/layers/FxLayer.ts    (visual-only constants)
  */
 
 import {

src/core/GameRunner.ts

@@ -1,4 +1,4 @@
-import { placeName } from "../client/graphics/NameBoxCalculator";
+import { placeName } from "../client/hud/NameBoxCalculator";
 import { Config } from "./configuration/Config";
 import { Executor } from "./execution/ExecutionManager";
 import { RecomputeRailClusterExecution } from "./execution/RecomputeRailClusterExecution";