Fix: Nakama chess modules, chat WebSocket protocol, and streaming SSL

- Add Nakama Dockerfile to build custom image with chess modules
- Update docker-compose.prod.yml to use custom Nakama image with --runtime.js_entrypoint
- Fix chat WebSocket to use wss:// on HTTPS pages (was hardcoded ws://)
- Add SSL configuration to nginx port 8088 for HLS/LLHLS streaming
- Add Nakama build step to CI workflow

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

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

.forgejo/workflows/build.yml

@@ -104,3 +104,20 @@ jobs:
         run: |
           docker push ${{ env.REGISTRY }}/${{ github.repository }}/openresty:${{ github.sha }}
           docker push ${{ env.REGISTRY }}/${{ github.repository }}/openresty:latest
+
+      # =========================================================================
+      # Build Nakama (Game Server with Chess Modules)
+      # =========================================================================
+      - name: Build Nakama Image
+        run: |
+          echo "=== Building Nakama ==="
+          docker build \
+            -t ${{ env.REGISTRY }}/${{ github.repository }}/nakama:${{ github.sha }} \
+            -t ${{ env.REGISTRY }}/${{ github.repository }}/nakama:latest \
+            ./nakama
+
+      - name: Push Nakama Image
+        if: github.event_name != 'pull_request'
+        run: |
+          docker push ${{ env.REGISTRY }}/${{ github.repository }}/nakama:${{ github.sha }}
+          docker push ${{ env.REGISTRY }}/${{ github.repository }}/nakama:latest