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

tests/test_history_management.py

@@ -17,7 +17,7 @@ import ai_client
 
 # --- Tests for Aggregate Module ---
 
-def test_aggregate_includes_segregated_history(tmp_path):
+def test_aggregate_includes_segregated_history(tmp_path: Path) -> None:
  """
     Tests if the aggregate function correctly includes history
     when it's segregated into a separate file.
@@ -38,7 +38,7 @@ def test_aggregate_includes_segregated_history(tmp_path):
  assert "Show me history" in markdown
  # --- Tests for MCP Client and Blacklisting ---
 
-def test_mcp_blacklist(tmp_path):
+def test_mcp_blacklist(tmp_path: Path) -> None:
  """
     Tests that the MCP client correctly blacklists specified files
     and prevents listing them.
@@ -57,7 +57,7 @@ def test_mcp_blacklist(tmp_path):
  # The blacklisted file should not appear in the directory listing
  assert "my_project_history.toml" not in result
 
-def test_aggregate_blacklist(tmp_path):
+def test_aggregate_blacklist(tmp_path: Path) -> None:
  """
     Tests that aggregate's path resolution respects blacklisting,
     ensuring history files are not included by default.
@@ -73,7 +73,7 @@ def test_aggregate_blacklist(tmp_path):
  assert hist_file not in paths, "History file should be excluded even with a general glob"
  # --- Tests for History Migration and Separation ---
 
-def test_migration_on_load(tmp_path):
+def test_migration_on_load(tmp_path: Path) -> None:
  """
     Tests that project loading migrates discussion history from manual_slop.toml
     to manual_slop_history.toml if it exists in the main config.
@@ -102,7 +102,7 @@ def test_migration_on_load(tmp_path):
   on_disk_hist = tomllib.load(f)
  assert on_disk_hist["discussions"]["main"]["history"] == ["Hello", "World"]
 
-def test_save_separation(tmp_path):
+def test_save_separation(tmp_path: Path) -> None:
  """
     Tests that saving project data correctly separates discussion history
     into manual_slop_history.toml.
@@ -128,7 +128,7 @@ def test_save_separation(tmp_path):
  assert h_disk["discussions"]["main"]["history"] == ["Saved", "Separately"]
  # --- Tests for History Persistence Across Turns ---
 
-def test_history_persistence_across_turns(tmp_path):
+def test_history_persistence_across_turns(tmp_path: Path) -> None:
  """
     Tests that discussion history is correctly persisted across multiple save/load cycles.
     """