refactor(phase7): Integrate resource manager into Worker

- Added resources field to Worker struct
- Updated factory.go to pass resource manager to Worker
- Removed placeholder discard of resource manager
- Build compiles successfully

internal/worker/factory.go

@@ -144,16 +144,16 @@ func NewWorker(cfg *Config, _ string) (*Worker, error) {
 		cancel()
 		return nil, fmt.Errorf("failed to init resource manager: %w", err)
 	}
-	_ = rm // Resource manager stored for future use
 
 	worker := &Worker{
-		id:      cfg.WorkerID,
-		config:  cfg,
-		logger:  logger,
-		runLoop: runLoop,
-		metrics: metricsObj,
-		health:  lifecycle.NewHealthMonitor(),
-		jupyter: jupyterMgr,
+		id:        cfg.WorkerID,
+		config:    cfg,
+		logger:    logger,
+		runLoop:   runLoop,
+		metrics:   metricsObj,
+		health:    lifecycle.NewHealthMonitor(),
+		resources: rm,
+		jupyter:   jupyterMgr,
 	}
 
 	// Log GPU configuration

internal/worker/worker.go

@@ -9,6 +9,7 @@ import (
 	"github.com/jfraeys/fetch_ml/internal/jupyter"
 	"github.com/jfraeys/fetch_ml/internal/logging"
 	"github.com/jfraeys/fetch_ml/internal/metrics"
+	"github.com/jfraeys/fetch_ml/internal/resources"
 	"github.com/jfraeys/fetch_ml/internal/worker/executor"
 	"github.com/jfraeys/fetch_ml/internal/worker/lifecycle"
 )
@@ -50,6 +51,7 @@ type Worker struct {
 	metrics    *metrics.Metrics
 	metricsSrv *http.Server
 	health     *lifecycle.HealthMonitor
+	resources  *resources.Manager
 
 	// Legacy fields for backward compatibility during migration
 	jupyter JupyterManager