Add GET /api/accounts (list with optional ?network= and ?type= filters) and
GET /api/accounts/{socialAccount} (show) endpoints. Include plain-text password
field for AI agent consumption.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Add GET /api/sites endpoint for listing sites with optional name filter,
and GET /api/sites/{site} for showing individual sites. Includes API
resource, controller, routes registration, and comprehensive tests.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>