cli/fmt(refactor[typing]): Use object/Mapping for config input

why: Replace Any in formatting helpers while still accepting varied config dict shapes.

what:
- Type normalize_repo_config/format_config with object and Mapping inputs
- Update fmt tests to match new config_factory signatures

Author: tony

src/vcspull/cli/fmt.py

@@ -53,7 +53,7 @@ def create_fmt_subparser(parser: argparse.ArgumentParser) -> None:
     parser.set_defaults(merge_roots=True)
 
 
-def normalize_repo_config(repo_data: t.Any) -> dict[str, t.Any]:
+def normalize_repo_config(repo_data: object) -> dict[str, object]:
     """Normalize repository configuration to verbose format.
 
     Parameters
@@ -76,12 +76,14 @@ def normalize_repo_config(repo_data: t.Any) -> dict[str, t.Any]:
             normalized["repo"] = normalized.pop("url")
             return normalized
         # Already in correct format or has other fields
-        return repo_data
+        return t.cast("dict[str, object]", repo_data)
     # Return as-is for other types
-    return t.cast("dict[str, t.Any]", repo_data)
+    return t.cast("dict[str, object]", repo_data)
 
 
-def format_config(config_data: dict[str, t.Any]) -> tuple[dict[str, t.Any], int]:
+def format_config(
+    config_data: t.Mapping[str, object],
+) -> tuple[dict[str, object], int]:
     """Format vcspull configuration for consistency.
 
     Parameters
@@ -95,7 +97,7 @@ def format_config(config_data: dict[str, t.Any]) -> tuple[dict[str, t.Any], int]
         Formatted configuration and count of changes made
     """
     changes = 0
-    formatted: dict[str, t.Any] = {}
+    formatted: dict[str, object] = {}
 
     # Sort directories
     sorted_dirs = sorted(config_data.keys())
@@ -109,11 +111,12 @@ def format_config(config_data: dict[str, t.Any]) -> tuple[dict[str, t.Any], int]
             continue
 
         # Sort repositories within each directory
-        sorted_repos = sorted(repos.keys())
-        formatted_dir: dict[str, t.Any] = {}
+        repos_map = t.cast("dict[str, object]", repos)
+        sorted_repos = sorted(repos_map.keys())
+        formatted_dir: dict[str, object] = {}
 
         for repo_name in sorted_repos:
-            repo_data = repos[repo_name]
+            repo_data = repos_map[repo_name]
             normalized = normalize_repo_config(repo_data)
 
             # Check if normalization changed anything

tests/cli/test_fmt.py

@@ -28,7 +28,7 @@ class WorkspaceRootFixture(t.NamedTuple):
     """Fixture for workspace root normalization cases."""
 
     test_id: str
-    config_factory: t.Callable[[pathlib.Path], dict[str, t.Any]]
+    config_factory: t.Callable[[pathlib.Path], dict[str, object]]
 
 
 WORKSPACE_ROOT_FIXTURES: list[WorkspaceRootFixture] = [
@@ -81,7 +81,7 @@ class WorkspaceRootFixture(t.NamedTuple):
 )
 def test_workspace_root_normalization(
     test_id: str,
-    config_factory: t.Callable[[pathlib.Path], dict[str, t.Any]],
+    config_factory: t.Callable[[pathlib.Path], dict[str, object]],
     snapshot_json: SnapshotAssertion,
 ) -> None:
     """Ensure format_config merges duplicate workspace roots."""