Replace redundant zero-capacity slice allocations with idiomatic zero-value declarations

pkg/workflow/action_cache.go

@@ -238,8 +238,8 @@ func (c *ActionCache) deduplicateEntries() {
 	}
 
 	// For each group with multiple entries, keep only the most precise one
-	toDelete := make([]string, 0)
-	deduplicationDetails := make([]string, 0) // Track details for user-friendly message
+	var toDelete []string
+	var deduplicationDetails []string // Track details for user-friendly message
 
 	for ek, keys := range groups {
 		if len(keys) <= 1 {
@@ -276,7 +276,7 @@ func (c *ActionCache) deduplicateEntries() {
 
 		// Keep the most precise version, mark others for deletion
 		keepVersion := keyInfos[0].versionRef
-		removedVersions := make([]string, 0)
+		var removedVersions []string
 		for i := 1; i < len(keyInfos); i++ {
 			toDelete = append(toDelete, keyInfos[i].key)
 			removedVersions = append(removedVersions, keyInfos[i].versionRef)

pkg/workflow/compiler_safe_outputs_job.go

@@ -369,7 +369,7 @@ func (c *Compiler) buildConsolidatedSafeOutputsJob(data *WorkflowData, mainJobNa
 		}
 
 		// Insert app token steps
-		newSteps := make([]string, 0)
+		var newSteps []string
 		newSteps = append(newSteps, steps[:insertIndex]...)
 		newSteps = append(newSteps, appTokenSteps...)
 		newSteps = append(newSteps, steps[insertIndex:]...)

pkg/workflow/jobs.go

@@ -44,8 +44,7 @@ type JobManager struct {
 // NewJobManager creates a new JobManager instance
 func NewJobManager() *JobManager {
 	return &JobManager{
-		jobs:     make(map[string]*Job),
-		jobOrder: make([]string, 0),
+		jobs: make(map[string]*Job),
 	}
 }
 
@@ -429,7 +428,7 @@ func (jm *JobManager) GetTopologicalOrder() ([]string, error) {
 	}
 
 	// Start with jobs that have no dependencies (in-degree = 0)
-	queue := make([]string, 0)
+	var queue []string
 	for jobName, degree := range inDegree {
 		if degree == 0 {
 			queue = append(queue, jobName)

pkg/workflow/mcp_setup_generator.go

@@ -604,7 +604,7 @@ func (c *Compiler) generateMCPSetup(yaml *strings.Builder, tools map[string]any,
 			}
 
 			// Add remaining environment variables from mcpEnvVars
-			envVarNames := make([]string, 0)
+			var envVarNames []string
 			for envVarName := range mcpEnvVars {
 				if !addedEnvVars[envVarName] {
 					envVarNames = append(envVarNames, envVarName)

pkg/workflow/step_order_validation.go

@@ -39,7 +39,6 @@ type StepOrderTracker struct {
 // NewStepOrderTracker creates a new step order tracker
 func NewStepOrderTracker() *StepOrderTracker {
 	return &StepOrderTracker{
-		steps:     make([]StepRecord, 0),
 		nextOrder: 0,
 	}
 }