refactor: refactor task logic for better scalability (#76)

* refactor: a big refactor. wip

* refactor: port handle file

* refactor: place all handlers

* fix: task info nil pointer

* feat: enhance task progress tracking and context management

* feat: cancel task

* feat: stream mode

* feat: silent mode

* feat: dir cmd

* refactor: remove unused old file

* feat: rule cmd

* feat: handle silent mode

* feat: batch task

* fix: batch task progress and temp file cleanup

* refactor: update file creation and cleanup methods for better resource management

* feat: add save command with silent mode handling

* feat: message link

* feat: update message prompts to include file count in storage selection

* feat: slient save links

* refactor: reduce dup code

* feat: rule type

* feat: chose dir

* feat: refactor file handling and storage rules, improve error handling and logging

* feat: rule mode

* feat: telegraph pics

* fix: tphpics nil pointer and inaccurate dirpath

* feat: silent save telegraph

* feat: add suffix to avoid file overwrite

* feat: new storage telegram

* chore: tidy go mod

client/bot/handlers/utils/msgelem/rule.go

@@ -0,0 +1,32 @@
+package msgelem
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/gotd/td/telegram/message/styling"
+	"github.com/krau/SaveAny-Bot/database"
+)
+
+func BuildRuleHelpStyling(enabled bool, rules []database.Rule) []styling.StyledTextOption {
+	return []styling.StyledTextOption{
+		styling.Bold("使用方法: /rule <操作> <参数...>"),
+		styling.Bold(fmt.Sprintf("\n当前已%s规则模式", map[bool]string{true: "启用", false: "禁用"}[enabled])),
+		styling.Plain("\n\n可用操作:\n"),
+		styling.Code("switch"),
+		styling.Plain(" - 开关规则模式\n"),
+		styling.Code("add"),
+		styling.Plain(" <类型> <数据> <存储名> <路径> - 添加规则\n"),
+		styling.Code("del"),
+		styling.Plain(" <规则ID> - 删除规则\n"),
+		styling.Plain("\n当前已添加的规则:\n"),
+		styling.Blockquote(func() string {
+			var sb strings.Builder
+			for _, rule := range rules {
+				ruleText := fmt.Sprintf("%s %s %s %s", rule.Type, rule.Data, rule.StorageName, rule.DirPath)
+				sb.WriteString(fmt.Sprintf("%d: %s\n", rule.ID, ruleText))
+			}
+			return sb.String()
+		}(), true),
+	}
+}