fix(types): resolve pyright errors introduced in #269 changes

- manifest.py: remove unused load_bottle_chain_from_dir import
- manifest_extends.py: drop redundant ManifestEgressRoute annotation
- test_cli_start_selector.py: remove unused call import
- test_cli_tui.py: move Optional/constants to top, annotate FakeScreen,
  remove unused curses import
- test_manifest_bottle_merge.py: add type args to dict, annotate **kwargs

tests/unit/test_cli_start_selector.py

@@ -11,7 +11,7 @@ from __future__ import annotations
 
 import os
 import unittest
-from unittest.mock import MagicMock, call, patch
+from unittest.mock import MagicMock, patch
 
 import bot_bottle.cli.start as start_mod
 import bot_bottle.cli.tui as tui_mod

tests/unit/test_cli_tui.py

@@ -8,9 +8,13 @@ a real curses session (which requires a TTY).
 from __future__ import annotations
 
 import unittest
+from typing import Any, Optional
 
 from bot_bottle.cli.tui import _filter_items, _multiselect_loop, filter_multiselect, filter_select
 
+_KEY_ESC = 27
+_KEY_CTRL_D = 4
+
 
 class TestFilterItems(unittest.TestCase):
     def setUp(self):
@@ -68,18 +72,15 @@ class TestMultiselectLoopReordering(unittest.TestCase):
 
     def _run(self, keys: list[int], items: list[str], initial: list[str]) -> Optional[list[str]]:
         """Run _multiselect_loop with a synthetic screen feeding `keys`."""
-        import curses as _curses
-
         key_iter = iter(keys)
 
         class FakeScreen:
-            def erase(self): pass
-            def getmaxyx(self): return (40, 80)
-            def refresh(self): pass
-            def getch(self):
-                return next(key_iter)
-            def addstr(self, *a, **kw): pass
-            def keypad(self, *a): pass
+            def erase(self) -> None: pass
+            def getmaxyx(self) -> tuple[int, int]: return (40, 80)
+            def refresh(self) -> None: pass
+            def getch(self) -> int: return next(key_iter)
+            def addstr(self, *a: Any) -> None: pass
+            def keypad(self, *a: Any) -> None: pass
 
         return _multiselect_loop(FakeScreen(), items, title="", initial=initial)  # type: ignore[arg-type]
 
@@ -144,9 +145,6 @@ class TestMultiselectLoopReordering(unittest.TestCase):
         self.assertEqual(["a", "b"], result)
 
 
-from typing import Optional
-_KEY_ESC = 27
-_KEY_CTRL_D = 4
 
 
 if __name__ == "__main__":

tests/unit/test_manifest_bottle_merge.py

@@ -17,11 +17,11 @@ from bot_bottle.manifest import ManifestBottle, ManifestError, ManifestIndex
 from bot_bottle.manifest_extends import merge_bottles_runtime
 
 
-def _index(bottles: dict, agents: dict) -> ManifestIndex:
+def _index(bottles: dict[str, object], agents: dict[str, object]) -> ManifestIndex:
     return ManifestIndex.from_json_obj({"bottles": bottles, "agents": agents})
 
 
-def _bottle(**kwargs) -> ManifestBottle:
+def _bottle(**kwargs: object) -> ManifestBottle:
     return ManifestBottle.from_dict("test", kwargs)