refactor(bottle): finish bottle package move

tests/unit/test_bottle_state.py

@@ -8,7 +8,7 @@ from pathlib import Path
 
 from bot_bottle import supervise
 from bot_bottle import bottle_state
-from bot_bottle.bottle_state import (
+from bot_bottle.bottle.state import (
     BottleMetadata,
     read_metadata,
     write_metadata,
@@ -31,6 +31,15 @@ class _FakeHomeMixin:
         self._tmp.cleanup()
 
 
+class TestCompatibilityImports(unittest.TestCase):
+    def test_legacy_bottle_state_module_reexports_state_api(self):
+        from bot_bottle import bottle_state as legacy
+        from bot_bottle.bottle import state
+
+        self.assertIs(legacy.BottleMetadata, state.BottleMetadata)
+        self.assertIs(legacy.read_metadata, state.read_metadata)
+
+
 class TestPerBottleDockerfile(_FakeHomeMixin, unittest.TestCase):
     def setUp(self):
         self._setup_fake_home()