build_httr2_request: Build httr2 request for YouTube API
Description
Internal helper to construct httr2 requests with consistent authentication
and headers. Consolidates duplicated code across HTTP functions.
Usage
build_httr2_request(path, query)
Value
An httr2 request object ready for method-specific modifications
Arguments
- path
API endpoint path (e.g., "videos", "channels")
- query
Named list of query parameters