fix(config): Migrate from deprecated ruff-lsp to new Ruff language server

- Remove deprecated 'ruff.lint.args' setting
- New Ruff server auto-discovers pyproject.toml configuration
- Resolves Positron deprecation warning

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: prefrontalsys

.vscode/settings.json

@@ -13,9 +13,6 @@
     }
   },
   "ruff.lineLength": 100,
-  "ruff.lint.args": [
-    "--config=${workspaceFolder}/pyproject.toml"
-  ],
 
   // MyPy type checking
   "mypy-type-checker.args": [