handle /ws_debug/health in debugger and add request logging (#8426)

- Fix debugger HTTP health endpoint to also match /ws_debug/health
  (ingress forwards the full path, not just /health)
- Add request logging to all three extra services (LSP, multiplayer,
  debugger) for HTTP and WebSocket ping/upgrade events

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

debugger/dap_debug_service.ts

@@ -1069,11 +1069,14 @@ const server = Bun.serve({
 
 		// Handle WebSocket upgrade with path-based routing
 		if (server.upgrade(req, { data: { path } })) {
+			logger.info(`WS upgrade: ${path}`)
 			return undefined as unknown as Response
 		}
 
+		logger.info(`HTTP ${req.method} ${path}`)
+
 		// Health check endpoint
-		if (path === '/health') {
+		if (path === '/health' || path === '/ws_debug/health') {
 			return new Response(JSON.stringify({
 				status: 'ok',
 				service: 'debugger',
@@ -1102,6 +1105,7 @@ const server = Bun.serve({
 
 			// Handle ping test — respond and close immediately
 			if (path === '/ping') {
+				logger.info(`WS ping test`)
 				ws.send(JSON.stringify({ type: 'pong', service: 'debugger' }))
 				ws.close()
 				return