Check AI Budget

Verify that a user has enough credits and budget for an AI action before executing it.

Endpoint

POST /functions/v1/check-ai-budget

Parameter	Type	Description
`action`	string	The action to check (e.g., `generate_reel`)
`estimated_cost`	number	Estimated cost of the action

{
  "allowed": true,
  "remaining_budget": 4.85,
  "credits_balance": 45
}