Function registerSingleTool

registerSingleTool(
    context: ExtensionContext,
    definition: ToolDefinition,
    operation: ToolOperation<unknown, unknown>,
): Disposable
Registers a single tool (for testing or selective registration)
Parameters
- context: ExtensionContext
  VS Code extension context
- definition: ToolDefinition
  Tool definition to register
- operation: ToolOperation<unknown, unknown>
  Core operation implementation
Returns Disposable
Disposable for cleanup
Example
```
// Register a single tool for testing
const disposable = registerSingleTool(
  context,
  createNotebookDefinition,
  createNotebookOperation
);
```
- Defined in src/tools/core/registration.ts:236