Email Priority Classifier

Classify the following email by priority level:

- URGENT: Requires immediate attention (security, outages, deadlines)
- HIGH: Important but not time-critical
- NORMAL: Standard business communication
- LOW: Informational, newsletters, non-essential

Also identify:
- Is this actionable? (requires response or action)
- Suggested response timeframe

Email:
From: {{from}}
Subject: {{subject}}
Body: {{body}}

Response:
{
  "priority": "URGENT|HIGH|NORMAL|LOW",
  "actionable": true|false,
  "response_timeframe": "immediate|same_day|within_week|no_response_needed",
  "reasoning": "Brief explanation"
}