Phase 3 - Event Loop Topic Refactor

Scope

This phase extracts the Event Loop topic into dedicated topic pages and matching API reference pages.

Added Topic Pages

• topics/event-loop/poll-select.md
• topics/event-loop/epoll.md
• topics/event-loop/timerfd.md
• topics/event-loop/signalfd.md
• topics/event-loop/eventfd.md
• topics/event-loop/fasync-sigio.md

Added API Reference Pages

• api-reference/event-loop/index.md
• api-reference/event-loop/poll.md
• api-reference/event-loop/epoll.md
• api-reference/event-loop/timerfd.md
• api-reference/event-loop/signalfd.md
• api-reference/event-loop/eventfd.md

Navigation Updates

• Expanded the Event Loop section under Topics.
• Expanded the API Reference section with an Event Loop group.
• Updated topic mapping with Event Loop cross-links.

Build Status

Validated with:

mkdocs build --strict

The build passed. The only remaining message is the upstream Material for MkDocs warning about MkDocs 2.0.