fix(acms): remove unused TYPE_CHECKING import and trailing whitespace

Fixes two Ruff lint errors:
- F401: unused 'typing' import in TYPE_CHECKING block in context_analyzer.py
- W291: trailing whitespace in domain/services/acms/__init__.py

ISSUES CLOSED: #9441

src/cleveragents/domain/services/acms/__init__.py

@@ -9,7 +9,7 @@ from cleveragents.domain.services.acms.context_analyzer import (
 
 __all__ = [
     "ContextAnalyzer",
-    "FileAnalyzer", 
+    "FileAnalyzer",
     "ModuleAggregator",
     "ProjectAggregator",
 ]

src/cleveragents/domain/services/acms/context_analyzer.py

@@ -11,7 +11,6 @@ from __future__ import annotations
 
 import ast
 from pathlib import Path
-from typing import TYPE_CHECKING
 
 import structlog
 
@@ -23,9 +22,6 @@ from cleveragents.domain.models.acms.context_analysis import (
 
 logger = structlog.get_logger(__name__)
 
-if TYPE_CHECKING:
-    import typing
-
 
 # ---------------------------------------------------------------------------
 # File-Level Analysis