Upload Mms Attachment

POST 
/api/upload/mms

Upload an image for MMS attachment with dual storage:

1. Backblaze B2 (permanent, authenticated storage)
2. Redis (temporary public URL, 24h TTL)

MMS-specific requirements:

• Max 5MB per file (validated by frontend + upload service)
• Supported formats: JPEG, JPG, PNG, GIF
• Returns JSONB format with both URLs for MMS sending

Args: file: The image file to upload upload_service: Upload service instance with tenant context

Returns: Dict with JSONB format containing:

• url: Temporary public URL (for frontend compatibility)
• storage_url: Permanent Backblaze URL
• expires_at: ISO timestamp when public URL expires

Raises: 400: Invalid file type or size 503: Storage service unavailable 500: Internal server error

Request​