You are helping me build the following AI agent workflow.

## Goal
Support Ticket System: When an email hits your support inbox, it instantly creates a Trello ticket, emails the customer a confirmation.

## Specification
- What it does: You get instant confirmation replies sent to customers while your support team receives immediate Slack alerts whenever new emails arrive. The system automatically creates structured Trello tickets for every incoming message in your designated inbox.
- Trigger: Triggered by an event (Event · on new email)
- Autonomy: Fully hands-off
- Expected setup effort: about an afternoon
- Tools/services involved:
  - Gmail: Trigger and send confirmation emails
  - Trello: Create support tickets as cards
  - Slack: Notify team of new tickets

## Known pitfalls, handle each one explicitly in your implementation
1. Slack notifications might overwhelm the team if not filtered properly so configure specific keywords to trigger alerts.

## Reference implementation
https://n8n.io/workflows/7220 (workflow template)
Fetch and inspect this before building. If it matches my stack, adapt it;
if not, rebuild the pattern with my tools.

## Process requirements
1. Before building: ask me which of the listed tools I actually use and
   what my platform is (n8n / Make / code / other). Do not assume.
2. Adapt the pattern to my answers; do not force the reference stack.
3. Address every pitfall above; tell me how you handled each.
4. Provide a test plan I can run before letting this touch real data.
5. Ask before any step that sends messages, modifies data, or spends money.

Source: https://usecasesforagents.com/use-case/automated-support-ticket-system/ via usecasesforagents.com