refactor!: rename project to bot-bottle

Assisted-by: Codex

tests/unit/test_cli_cleanup_cross_backend.py

@@ -10,7 +10,7 @@ import sys
 import unittest
 from unittest.mock import patch, MagicMock
 
-from claude_bottle.cli import cleanup as cmd
+from bot_bottle.cli import cleanup as cmd
 
 
 def _make_backend(empty: bool = True):