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

common/utils/tphutil/tph.go

@@ -0,0 +1,51 @@
+package tphutil
+
+import (
+	"encoding/json"
+
+	"github.com/krau/SaveAny-Bot/config"
+	"github.com/krau/SaveAny-Bot/pkg/telegraph"
+)
+
+var tphClient *telegraph.Client
+
+func DefaultClient() *telegraph.Client {
+	if tphClient != nil {
+		return tphClient
+	}
+	if config.Cfg.Telegram.Proxy.Enable && config.Cfg.Telegram.Proxy.URL != "" {
+		proxyUrl := config.Cfg.Telegram.Proxy.URL
+		var err error
+		tphClient, err = telegraph.NewClientWithProxy(proxyUrl)
+		if err != nil {
+			tphClient = telegraph.NewClient()
+		}
+	} else {
+		tphClient = telegraph.NewClient()
+	}
+	return tphClient
+}
+
+func GetNodeImages(node telegraph.Node) []string {
+	var srcs []string
+
+	var nodeElement telegraph.NodeElement
+	data, err := json.Marshal(node)
+	if err != nil {
+		return srcs
+	}
+	err = json.Unmarshal(data, &nodeElement)
+	if err != nil {
+		return srcs
+	}
+
+	if nodeElement.Tag == "img" {
+		if src, exists := nodeElement.Attrs["src"]; exists {
+			srcs = append(srcs, src)
+		}
+	}
+	for _, child := range nodeElement.Children {
+		srcs = append(srcs, GetNodeImages(child)...)
+	}
+	return srcs
+}