Drop the separate ai.mcp.upload.max_size_mb default and reuse Media\Type limits so MCP matches web/API (1GB video ceiling with per-type enforcement).
Co-authored-by: Cursor <cursoragent@cursor.com>
Key signed uploads by workspace so ChatGPT's shared egress IPs don't throttle tenants together, raise the MCP upload cap to 300MB, and expose accurate Reel max durations via API/MCP.
Co-authored-by: Cursor <cursoragent@cursor.com>