style: fix last 3 lint errors (gci, golines, nolintlint)

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

cmd/picoclaw/internal/gateway/helpers.go

@@ -467,7 +467,8 @@ func (p *agentLoopDataProvider) GetGitRepos() []miniapp.GitRepoSummary {
 			seen[repoDir] = true
 			name := filepath.Base(repoDir)
 			branch := ""
-			if out, err := exec.Command("git", "-C", repoDir, "rev-parse", "--abbrev-ref", "HEAD").Output(); err == nil {
+			out, err := exec.Command("git", "-C", repoDir, "rev-parse", "--abbrev-ref", "HEAD").Output()
+			if err == nil {
 				branch = strings.TrimSpace(string(out))
 			}
 			repos = append(repos, miniapp.GitRepoSummary{Name: name, Branch: branch})

pkg/agent/loop.go

@@ -645,8 +645,9 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 			lower := strings.ToLower(content)
 
 			// Check for stop keywords
-			//nolint:gosmopolitan // intentional CJK stop words
-		stopKeywords := []string{"stop", "cancel", "abort", "停止", "中止", "やめて"}
+			stopKeywords := []string{ //nolint:gosmopolitan // intentional CJK stop words
+				"stop", "cancel", "abort", "停止", "中止", "やめて",
+			}
 			isStop := false
 			for _, kw := range stopKeywords {
 				if lower == kw {