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

config/storage/telegram.go

@@ -0,0 +1,32 @@
+package storage
+
+import (
+	"fmt"
+
+	storenum "github.com/krau/SaveAny-Bot/pkg/enums/storage"
+)
+
+type TelegramStorageConfig struct {
+	BaseConfig
+	ChatID    int64 `toml:"chat_id" mapstructure:"chat_id" json:"chat_id"`
+	RateLimit int   `toml:"rate_limit" mapstructure:"rate_limit" json:"rate_limit"`
+	RateBurst int   `toml:"rate_burst" mapstructure:"rate_burst" json:"rate_burst"`
+}
+
+func (m *TelegramStorageConfig) Validate() error {
+	if m.ChatID == 0 {
+		return fmt.Errorf("chat_id is required for telegram storage")
+	}
+	if m.RateLimit < 0 || m.RateBurst < 0 {
+		return fmt.Errorf("rate_limit and rate_burst must be greater than 0 for telegram storage")
+	}
+	return nil
+}
+
+func (m *TelegramStorageConfig) GetType() storenum.StorageType {
+	return storenum.Telegram
+}
+
+func (m *TelegramStorageConfig) GetName() string {
+	return m.Name
+}