chore(lint): unify formatting on golangci-lint fmt (gofumpt), uncap issue reporting, fix gofumpt drift

- make format 现在与 code-check 使用同一格式化器（golangci-lint fmt），消除 goimports -local 与 gofumpt 的格式拉锯
- .golangci.yml 关闭默认 50/3 截断，完整上报所有问题（只增强不弱化）
- 全库 gofumpt 规范化（203 files, 纯格式无行为变更）

backend/plugins/drivers/driver_inproc_worker/task_service.go

@@ -4,11 +4,10 @@
 package driver_inproc_worker
 
 import (
-	"context"
-	"fmt"
-
 	"Wavelet/core/contracts"
 	"Wavelet/core/extpoints"
+	"context"
+	"fmt"
 )
 
 type inprocTaskService struct {
@@ -73,7 +72,7 @@ func (s *inprocTaskService) ReloadScheduler() error {
 func (s *inprocTaskService) AppendLog(_ context.Context, _ string, _ ...any) {
 }
 
-func (s *inprocTaskService) ListExecutions(_ context.Context, _ string, _ string, _, _ int) ([]contracts.TaskExecutionDTO, int64, error) {
+func (s *inprocTaskService) ListExecutions(_ context.Context, _, _ string, _, _ int) ([]contracts.TaskExecutionDTO, int64, error) {
 	return []contracts.TaskExecutionDTO{}, 0, nil
 }