Complete message utility adoption - fix all remaining send_html_message usage

- Created edit_html_message utility for consistent message editing
- Converted all bot.edit_message_text() calls to use edit_html_message
- Fixed markdown to HTML conversion (**Error:** → <b>Error:</b>, *text* → <i>text</i>)
- Added MessageId import to fix compilation errors
- 100% message utility adoption achieved - all direct bot message calls eliminated

.gitignore

@@ -1,3 +1,4 @@
 /target
 !.env.example
 .env
+*.db