Fix server file refresh pending state

platform/service/server_files.go

@@ -99,12 +99,19 @@ func (svc *CoreService) ListServerFilesForSession(sessionID string, request doma
 		if parseErr == nil {
 			return domain.CopyServerFileListResult(domain.ServerFileListResult{ServerInstanceID: ctx.Instance.ID, PluginID: ctx.Plugin.ID, DirectoryKey: request.DirectoryKey, Path: request.Path, State: "ready", Entries: filterServerFileEntries(entries, request.Query), Job: latest, RefreshedAt: latest.TerminalAt}), nil
 		}
+		entries = filterServerFileEntries(serverFileEntriesFromDeclaredWorkspace(ctx.Workspace, request.DirectoryKey), request.Query)
+		return domain.CopyServerFileListResult(domain.ServerFileListResult{ServerInstanceID: ctx.Instance.ID, PluginID: ctx.Plugin.ID, DirectoryKey: request.DirectoryKey, Path: request.Path, State: "failed", Entries: entries, Job: latest, RefreshedAt: latest.TerminalAt, Reason: "Run 返回的文件列表无法解析。"}), nil
 	}
 	state := "declared"
 	reason := "展示服务器文件缓存；打开文件标签时会自动读取 Run 实时目录。"
-	if hasLatest && !isTerminalJobState(latest.State) {
-		state = "pending"
-		reason = "Run 正在刷新目录。"
+	if hasLatest {
+		if !isTerminalJobState(latest.State) {
+			state = "pending"
+			reason = "Run 正在刷新目录。"
+		} else if latest.State == domain.JobStateFailed || latest.State == domain.JobStateCancelled {
+			state = "failed"
+			reason = serverFileListJobFailureReason(latest)
+		}
 	}
 	entries := filterServerFileEntries(serverFileEntriesFromDeclaredWorkspace(ctx.Workspace, request.DirectoryKey), request.Query)
 	if state == "declared" {
@@ -113,6 +120,24 @@ func (svc *CoreService) ListServerFilesForSession(sessionID string, request doma
 	return domain.CopyServerFileListResult(domain.ServerFileListResult{ServerInstanceID: ctx.Instance.ID, PluginID: ctx.Plugin.ID, DirectoryKey: request.DirectoryKey, Path: request.Path, State: state, Entries: entries, Job: latest, RefreshedAt: latest.TerminalAt, Reason: reason}), nil
 }
 
+func serverFileListJobFailureReason(job domain.Job) string {
+	prefix := "Run 文件目录刷新失败"
+	if job.State == domain.JobStateCancelled {
+		prefix = "Run 文件目录刷新已取消"
+	}
+	detail := strings.TrimSpace(job.CancelReason)
+	if detail == "" {
+		detail = strings.TrimSpace(job.Progress.Message)
+	}
+	if detail == "" {
+		detail = strings.TrimSpace(job.ExecutionResult.Summary)
+	}
+	if detail == "" {
+		return prefix + "。"
+	}
+	return prefix + "：" + detail
+}
+
 func (svc *CoreService) RefreshServerFileListForSession(sessionID string, request domain.ServerFileListRequest) (domain.ServerFileListResult, error) {
 	request = normalizeServerFileListRequest(request)
 	if request.IdempotencyKey == "" {