Get Endpoint Stats

Get endpoint statistics aggregated across a project with pagination. Optionally filter by specific apps within the project. Query parameters: - app_slugs: Comma-separated app slugs to filter - environment: Filter by environment name - since/until: Time range - methods: Comma-separated HTTP methods (e.g., "GET,POST") - status_classes: Comma-separated status classes (e.g., "2xx,4xx") - status_codes: Comma-separated status codes (e.g., "200,404") - q: Search query for path or method - sort_by: Field to sort by (endpoint, total_requests, error_rate, avg_response_time_ms, p95_response_time_ms) - sort_dir: Sort direction (asc or desc) - page: Page number (1-indexed) - page_size: Items per page Returns: { "items": [...], "total_count": int }