Enhance Binance depth health monitoring and defense mode logic (#21)

- Updated translations for Binance depth status messages to include depth window information.
- Modified `MakerPointsEngine` to incorporate health checks for the Binance depth tracker, including handling of unhealthy states.
- Improved defense mode activation logic to respond to Binance depth health status, ensuring appropriate logging and notifications.
- Added integration tests for defense mode behavior based on Binance depth health, validating transitions into and out of defense mode.
- Refactored `BinanceDepthTracker` to support health checks and improved connection management.

tests/maker-points-defense-rest.test.ts

@@ -94,6 +94,8 @@ describe("MakerPointsEngine defense-mode REST polling", () => {
     (engine as any).enterDefenseMode({
       standxDepthStale: true,
       binanceStale: false,
+      binanceUnhealthy: false,
+      binanceHealthReason: null,
       standxAccountStale: false,
       accountInvalid: false,
       standxRestUnhealthy: false,
@@ -146,6 +148,8 @@ describe("MakerPointsEngine defense-mode REST polling", () => {
     (engine as any).enterDefenseMode({
       standxDepthStale: true,
       binanceStale: false,
+      binanceUnhealthy: false,
+      binanceHealthReason: null,
       standxAccountStale: false,
       accountInvalid: false,
       standxRestUnhealthy: false,