refactor: drop the vestigial bot_bottle_root/host_db_path re-exports (#352)

paths is the single home now, so stop re-exporting the path helpers from
supervise: remove host_db_path from supervise's imports + __all__ (it was
re-export-only) and drop bot_bottle_root from __all__ (kept as an import,
still used by audit_dir). supervise_types was already clean. Repoint the
last readers (test_supervise imports host_db_path from paths;
test_supervise_edge calls paths.bot_bottle_root) and refresh the doc
mentions. No supervise.bot_bottle_root / supervise.host_db_path references
remain.

Behavior-preserving: full unit suite unchanged (only the pre-existing
/bin/sleep sidecar-init errors).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck

tests/unit/__init__.py

@@ -2,7 +2,7 @@
 
 Isolates ``HOME`` to a throwaway directory for the entire unit suite so
 no test ever reads or writes the real ``~/.bot-bottle`` (state, queue,
-and audit dirs all derive from ``supervise.bot_bottle_root()`` →
+and audit dirs all derive from ``paths.bot_bottle_root()`` →
 ``Path.home()``). Without this, a test that takes a ``flock`` on the
 real audit log can **block indefinitely** when a live bottle's supervise
 sidecar holds that lock — observed as a hung ``coverage run`` at 0% CPU —
@@ -49,8 +49,8 @@ def use_bottle_root(root: Path) -> Callable[[], None]:
     ``BOT_BOTTLE_ROOT`` — the supported override. Returns a callable that
     undoes it (store it as the test's restore hook, or pass to addCleanup).
 
-    Replaces monkey-patching ``supervise.bot_bottle_root``; one env var
-    covers every module and the flat/package copies alike (they all read it)."""
+    Replaces monkey-patching ``paths.bot_bottle_root``; one env var covers
+    every module and the flat/package copies alike (they all read it)."""
     patcher = mock.patch.dict(os.environ, {"BOT_BOTTLE_ROOT": str(root)})
     patcher.start()
     return patcher.stop

tests/unit/test_supervise.py

@@ -8,6 +8,7 @@ from datetime import datetime, timezone
 from pathlib import Path
 
 from bot_bottle import supervise
+from bot_bottle.paths import host_db_path
 from tests.unit import use_bottle_root
 from bot_bottle.audit_store import AuditStore
 from bot_bottle.queue_store import QueueStore
@@ -21,7 +22,6 @@ from bot_bottle.supervise import (
     TOOL_EGRESS_ALLOW,
     TOOL_GITLEAKS_ALLOW,
     archive_proposal,
-    host_db_path,
     list_pending_proposals,
     read_audit_entries,
     read_proposal,

tests/unit/test_supervise_cli.py

@@ -51,7 +51,7 @@ def _proposal(slug: str = "dev", tool: str = TOOL_EGRESS_ALLOW) -> Proposal:
 
 
 class _FakeHomeMixin:
-    """Patch supervise.bot_bottle_root to a temp dir for the test."""
+    """Point bot_bottle_root at a temp dir (via BOT_BOTTLE_ROOT) for the test."""
 
     def _setup_fake_home(self):
         self._tmp = tempfile.TemporaryDirectory(prefix="supervise-test.")

tests/unit/test_supervise_cli_crash_logging.py

@@ -40,9 +40,8 @@ class TestDieCarriesMessage(unittest.TestCase):
 
 
 class _FakeHomeMixin:
-    """Point supervise.bot_bottle_root (what _write_crash_log resolves
-    through) at a temp dir so the crash log doesn't touch the real
-    ~/.bot-bottle."""
+    """Point bot_bottle_root (what _write_crash_log resolves through) at a
+    temp dir so the crash log doesn't touch the real ~/.bot-bottle."""
 
     def _setup_fake_home(self):
         self._tmp = tempfile.TemporaryDirectory(prefix="supervise-crash-test.")

tests/unit/test_supervise_edge.py

@@ -12,6 +12,7 @@ from unittest.mock import patch
 
 from bot_bottle import supervise
 from bot_bottle.audit_store import AuditStore
+from bot_bottle.paths import bot_bottle_root
 from bot_bottle.queue_store import QueueStore
 from bot_bottle.supervise import (
     AuditEntry,
@@ -39,7 +40,7 @@ def _proposal() -> Proposal:
 
 class TestPathHelpers(unittest.TestCase):
     def test_bot_bottle_root(self) -> None:
-        self.assertTrue(str(supervise.bot_bottle_root()).endswith(".bot-bottle"))
+        self.assertTrue(str(bot_bottle_root()).endswith(".bot-bottle"))
 
 
 class TestReadMalformed(unittest.TestCase):