Admin UI add maintenance menu (#6944)

* add ui for maintenance

* valid config loading. fix workers page.

* refactor

* grpc between admin and workers

* add a long-running bidirectional grpc call between admin and worker
* use the grpc call to heartbeat
* use the grpc call to communicate
* worker can remove the http client
* admin uses http port + 10000 as its default grpc port

* one task one package

* handles connection failures gracefully with exponential backoff

* grpc with insecure tls

* grpc with optional tls

* fix detecting tls

* change time config from nano seconds to seconds

* add tasks with 3 interfaces

* compiles reducing hard coded

* remove a couple of tasks

* remove hard coded references

* reduce hard coded values

* remove hard coded values

* remove hard coded from templ

* refactor maintenance package

* fix import cycle

* simplify

* simplify

* auto register

* auto register factory

* auto register task types

* self register types

* refactor

* simplify

* remove one task

* register ui

* lazy init executor factories

* use registered task types

* DefaultWorkerConfig remove hard coded task types

* remove more hard coded

* implement get maintenance task

* dynamic task configuration

* "System Settings" should only have system level settings

* adjust menu for tasks

* ensure menu not collapsed

* render job configuration well

* use templ for ui of task configuration

* fix ordering

* fix bugs

* saving duration in seconds

* use value and unit for duration

* Delete WORKER_REFACTORING_PLAN.md

* Delete maintenance.json

* Delete custom_worker_example.go

* remove address from workers

* remove old code from ec task

* remove creating collection button

* reconnect with exponential backoff

* worker use security.toml

* start admin server with tls info from security.toml

* fix "weed admin" cli description

weed/admin/view/layout/menu_helper.go

@@ -0,0 +1,47 @@
+package layout
+
+import (
+	"github.com/seaweedfs/seaweedfs/weed/admin/maintenance"
+
+	// Import task packages to trigger their auto-registration
+	_ "github.com/seaweedfs/seaweedfs/weed/worker/tasks/balance"
+	_ "github.com/seaweedfs/seaweedfs/weed/worker/tasks/erasure_coding"
+	_ "github.com/seaweedfs/seaweedfs/weed/worker/tasks/vacuum"
+)
+
+// MenuItemData represents a menu item
+type MenuItemData struct {
+	Name        string
+	URL         string
+	Icon        string
+	Description string
+}
+
+// GetConfigurationMenuItems returns the dynamic configuration menu items
+func GetConfigurationMenuItems() []*MenuItemData {
+	var menuItems []*MenuItemData
+
+	// Add system configuration item
+	menuItems = append(menuItems, &MenuItemData{
+		Name:        "System",
+		URL:         "/maintenance/config",
+		Icon:        "fas fa-cogs",
+		Description: "System-level configuration",
+	})
+
+	// Get all registered task types and add them as submenu items
+	registeredTypes := maintenance.GetRegisteredMaintenanceTaskTypes()
+
+	for _, taskType := range registeredTypes {
+		menuItem := &MenuItemData{
+			Name:        maintenance.GetTaskDisplayName(taskType),
+			URL:         "/maintenance/config/" + string(taskType),
+			Icon:        maintenance.GetTaskIcon(taskType),
+			Description: maintenance.GetTaskDescription(taskType),
+		}
+
+		menuItems = append(menuItems, menuItem)
+	}
+
+	return menuItems
+}