feat(runner): implement cluster mode with Redis-based task dispatching and registry

Introduce a distributed task execution system for gRPC runners. This includes:
- A `TaskBus` for cluster-mode task dispatching via Redis Pub/Sub.
- A `RunnerRegistry` to track active runner instances in Redis.
- Support for both standalone and cluster modes via configuration.
- Refactored `RunnerHub` and `TaskManager` to use a `TaskDispatcher` interface, decoupling task submission from local execution.
- Added distributed locking to `HotRankWorker` to ensure only one instance performs periodic hot rank recalculations in a multi-instance deployment.
- Updated dependency injection (Wire) to support the new runner components and registry.

cmd/server/wire_gen.go

@@ -101,8 +101,8 @@ func InitializeApp() (*App, error) {
 	channelHandler := handler.NewChannelHandler(channelService)
 	scheduleRepository := repository.NewScheduleRepository(db)
 	scheduleService := wire.ProvideScheduleService(scheduleRepository)
-	server := wire.ProvideGRPCServer(config, logger)
-	taskManager := wire.ProvideTaskManager(server)
+	runnerHub := wire.ProvideRunnerHub(logger)
+	taskManager := wire.ProvideTaskManager(runnerHub, logger)
 	scheduleSyncService := wire.ProvideScheduleSyncService(taskManager, scheduleRepository, logger)
 	scheduleHandler := wire.ProvideScheduleHandler(scheduleService, scheduleSyncService)
 	roleRepository := wire.ProvideRoleRepository(db)
@@ -148,8 +148,11 @@ func InitializeApp() (*App, error) {
 	tradeHandler := handler.NewTradeHandler(tradeService)
 	wsHandler := wire.ProvideWSHandler(messagePublisher, chatService, groupService, jwtService, callService, userRepository)
 	router := ProvideRouter(userRepository, userHandler, postHandler, commentHandler, messageHandler, notificationHandler, uploadHandler, jwtService, pushHandler, systemMessageHandler, groupHandler, stickerHandler, voteHandler, channelHandler, scheduleHandler, roleHandler, adminUserHandler, adminPostHandler, adminCommentHandler, adminGroupHandler, adminDashboardHandler, adminLogHandler, qrCodeHandler, materialHandler, callHandler, reportHandler, adminReportHandler, verificationHandler, adminVerificationHandler, adminProfileAuditHandler, setupHandler, tradeHandler, logService, userActivityService, casbinService, wsHandler)
-	hotRankWorker := wire.ProvideHotRankWorker(config, postRepository, channelRepository, cache)
-	app := NewApp(config, db, router, pushService, hotRankWorker, server, messagePublisher, logger)
+	hotRankWorker := wire.ProvideHotRankWorker(config, postRepository, channelRepository, cache, client)
+	server := wire.ProvideGRPCServer(config, logger, runnerHub)
+	runnerRegistry := wire.ProvideRunnerRegistry(config, client)
+	taskDispatcher := wire.ProvideTaskDispatcher(runnerHub, runnerRegistry, config, client, logger)
+	app := NewApp(config, db, router, pushService, hotRankWorker, server, messagePublisher, taskDispatcher, logger)
 	return app, nil
 }