chore: fmt.Errorf(static) → errors.New

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

agentci/config.go

@@ -2,6 +2,7 @@
 package agentci
 
 import (
+	"errors"
 	"fmt"
 
 	"forge.lthn.ai/core/go/pkg/config"
@@ -125,7 +126,7 @@ func SaveAgent(cfg *config.Config, name string, ac AgentConfig) error {
 func RemoveAgent(cfg *config.Config, name string) error {
 	var agents map[string]AgentConfig
 	if err := cfg.Get("agentci.agents", &agents); err != nil {
-		return fmt.Errorf("no agents configured")
+		return errors.New("no agents configured")
 	}
 	if _, ok := agents[name]; !ok {
 		return fmt.Errorf("agent %q not found", name)

jobrunner/journal.go

@@ -2,6 +2,7 @@ package jobrunner
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -52,7 +53,7 @@ type Journal struct {
 // NewJournal creates a new Journal rooted at baseDir.
 func NewJournal(baseDir string) (*Journal, error) {
 	if baseDir == "" {
-		return nil, fmt.Errorf("journal base directory is required")
+		return nil, errors.New("journal base directory is required")
 	}
 	return &Journal{baseDir: baseDir}, nil
 }
@@ -90,10 +91,10 @@ func sanitizePathComponent(name string) (string, error) {
 // Append writes a journal entry for the given signal and result.
 func (j *Journal) Append(signal *PipelineSignal, result *ActionResult) error {
 	if signal == nil {
-		return fmt.Errorf("signal is required")
+		return errors.New("signal is required")
 	}
 	if result == nil {
-		return fmt.Errorf("result is required")
+		return errors.New("result is required")
 	}
 
 	entry := JournalEntry{