backend/models/workflow_schema.py

ALLOWED_TRIGGERS = {"email_received", "schedule", "file_uploaded", "manual_trigger"}
ALLOWED_ACTIONS = {
    "ai_extract",
    "ai_classify",
    "ai_compose",
    "sheets_read",
    "sheets_write",
    "sheets_update",
    "send_email",
    "notify_owner",
    "condition",
    "loop",
    "wait_for_input",
}