Add blue debug lines for wheel spokes

- Draw blue lines along each spoke
- Show circles at spoke endpoints
- Visualize spoke positioning and angles

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/scenes/ShipDeckScene.js

@@ -239,6 +239,9 @@ export default class ShipDeckScene extends Phaser.Scene {
         wheel.setStrokeStyle(4, 0x654321);
 
         // Wheel spokes
+        const spokeDebug = this.add.graphics();
+        spokeDebug.lineStyle(2, 0x0000FF, 0.8);
+
         for (let i = 0; i < 8; i++) {
             const angle = (i * 45) * Math.PI / 180;
             const x1 = 550 + Math.cos(angle) * 15;
@@ -246,6 +249,12 @@ export default class ShipDeckScene extends Phaser.Scene {
             const x2 = 550 + Math.cos(angle) * 35;
             const y2 = 200 + Math.sin(angle) * 35;
             this.add.line(0, 0, x1, y1, x2, y2, 0x654321).setLineWidth(3);
+
+            // Debug: Draw blue lines showing spoke endpoints
+            spokeDebug.lineBetween(x1, y1, x2, y2);
+            // Draw circles at endpoints
+            spokeDebug.strokeCircle(x1, y1, 3);
+            spokeDebug.strokeCircle(x2, y2, 3);
         }
 
         wheel.on('pointerdown', () => {