Document named pipe lifecycle changes from PR #24

[Copilot]

Updated .github/instructions/testing_feature_area.instructions.md to reflect the named pipe refactoring from PR #24 which simplified the API and improved resource management.

Changes

• Added "Named pipe lifecycle management" section documenting:

  • startDiscoveryNamedPipe and startRunResultNamedPipe now return Promise<string> (pipe name only) instead of { name: string } & Disposable
  • Automatic cleanup via cancellation tokens—no manual dispose() calls needed
  • FIFO permissions now set to 0o666 on Linux/Mac
  • Pytest-specific Python function renames: execution_post() → send_execution_message(), post_response() → send_discovery_message(), send_post_request() → send_message()

• Updated "History & evolution" with PR Fixes to fifo #24 entry

• Updated "Pointers for contributors" to clarify cancellation-token-based cleanup pattern

Pattern Change

Before:

const { name, dispose } = await startDiscoveryNamedPipe(callback);
// ... later
dispose();

After:

const cSource = new CancellationTokenSource();
const name = await startDiscoveryNamedPipe(callback, cSource.token);
// ... later
cSource.cancel(); // automatic cleanup

Original prompt

update the documentation for this repo to reflect recent PRs

Created from VS Code.

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