feat: Enhance CodexLens with GPU support and semantic status improvements

- Added accelerator and providers fields to SemanticStatus interface.
- Updated checkSemanticStatus function to retrieve ONNX providers and accelerator type.
- Introduced detectGpuSupport function to identify available GPU modes (CUDA, DirectML).
- Modified installSemantic function to support GPU acceleration modes and clean up ONNX Runtime installations.
- Updated package requirements in PKG-INFO for semantic-gpu and semantic-directml extras.
- Added new source files for GPU support and enrichment functionalities.
- Updated tests to cover new features and ensure comprehensive testing.

.mcp.json

@@ -9,11 +9,8 @@
       "env": {}
     },
     "ccw-tools": {
-      "command": "npx",
-      "args": [
-        "-y",
-        "ccw-mcp"
-      ],
+      "command": "ccw-mcp",
+      "args": [],
       "env": {
         "CCW_ENABLED_TOOLS": "write_file,edit_file,smart_search,core_memory"
       }