Feature 39: Polling

[cscortes]

Description

Implement automatic content refresh at intervals using HTMX polling.

HTMX Patterns

• hx-trigger - Polling triggers (every N seconds)
• hx-get - Polling requests
• hx-target - Target elements for updates
• hx-swap - Replace polled content

Requirements

• Automatic polling implementation
• Configurable polling intervals
• HTMX polling triggers
• Educational examples showing polling patterns
• Comprehensive unit tests

Based On

Official HTMX example: https://htmx.org/examples/polling/

Priority

Medium - Real-time update pattern