refactor(tests): Add strict type hints to second batch of test files

tests/test_tiered_context.py

@@ -1,9 +1,9 @@
 import pytest
+from typing import Any
 from pathlib import Path
 from aggregate import build_tier1_context, build_tier2_context, build_tier3_context
 
-def test_build_tier1_context_exists():
-# This should fail if the function is not defined
+def test_build_tier1_context_exists() -> None:
  file_items = [
   {"path": Path("conductor/product.md"), "entry": "conductor/product.md", "content": "Product content", "error": False},
   {"path": Path("other.py"), "entry": "other.py", "content": "Other content", "error": False}
@@ -22,7 +22,7 @@ def test_build_tier2_context_exists() -> None:
  result = build_tier2_context(file_items, Path("."), [], history)
  assert "Other content" in result
 
-def test_build_tier3_context_ast_skeleton(monkeypatch):
+def test_build_tier3_context_ast_skeleton(monkeypatch: Any) -> None:
  from unittest.mock import MagicMock
  import aggregate
  import file_cache
@@ -59,7 +59,7 @@ def test_build_tier3_context_exists() -> None:
  assert "other.py" in result
  assert "AST Skeleton" in result
 
-def test_build_file_items_with_tiers(tmp_path):
+def test_build_file_items_with_tiers(tmp_path: Any) -> None:
  from aggregate import build_file_items
  # Create some dummy files
  file1 = tmp_path / "file1.txt"
@@ -80,7 +80,7 @@ def test_build_file_items_with_tiers(tmp_path):
  assert item2["content"] == "content2"
  assert item2["tier"] == 3
 
-def test_build_files_section_with_dicts(tmp_path):
+def test_build_files_section_with_dicts(tmp_path: Any) -> None:
  from aggregate import build_files_section
  file1 = tmp_path / "file1.txt"
  file1.write_text("content1")