モジュール式のプロンプトセクション

context_section = '''
<context>
You are assisting a customer support agent at a B2B SaaS company.
The company sells project management software used by engineering teams.
Customers are typically CTOs, engineering managers, or senior developers.
The support agent is handling a live chat conversation with a customer.
</context>
'''

print(context_section)

task_section = '''
<task>
Draft a response to the customer message below.
The response should:
1. Acknowledge the customer's issue
2. Provide a concrete next step
3. Set a realistic expectation for resolution time
</task>

<customer_message>
Our Gantt chart view stopped loading after the last update.
This is blocking our sprint planning session today.
</customer_message>
'''

print(task_section)

constraints_section = '''
<constraints>
- Do not promise a fix by a specific date unless you are certain.
- Do not mention competitor products by name.
- Keep the response under 100 words.
- Use a professional but empathetic tone.
- Do not ask the customer for information already provided in their message.
</constraints>
'''

print(constraints_section)

output_format_section = '''
<output_format>
Respond with a JSON object containing:
{
  "subject": "string (email subject line)",
  "body": "string (email body, plain text, under 150 words)",
  "priority": "high | medium | low",
  "escalate": true | false
}
Do not include any text outside the JSON object.
</output_format>
'''

print(output_format_section)

examples_section = '''
<examples>
  <example>
    <input>Customer: My invoices are not downloading.</input>
    <output>{
      "subject": "Invoice Download Issue",
      "body": "Thank you for reaching out. We see the issue with invoice downloads and our team is investigating. We expect a fix within 2 hours. We will email you once resolved.",
      "priority": "high",
      "escalate": true
    }</output>
  </example>
</examples>
'''

print(examples_section)

def build_support_prompt(customer_message):
    context = '<context>B2B SaaS customer support for project management software.</context>'
    task = f'<task>Draft a JSON response to this customer message.</task>\n<customer_message>{customer_message}</customer_message>'
    constraints = '<constraints>Under 100 words. Professional tone. No competitor names.</constraints>'
    output_fmt = '<output_format>Return JSON: {"subject": str, "body": str, "priority": str, "escalate": bool}</output_format>'
    return '\n\n'.join([context, task, constraints, output_fmt])

message = 'The Gantt chart stopped loading after your last update.'
print(build_support_prompt(message))

class Prompt:
    def __init__(self):
        self.context = ''
        self.task = ''
        self.constraints = []
        self.output_format = ''
        self.examples = []

    def build(self):
        parts = []
        if self.context:
            parts.append(f'<context>\n{self.context}\n</context>')
        if self.task:
            parts.append(f'<task>\n{self.task}\n</task>')
        if self.constraints:
            c = '\n'.join(f'- {r}' for r in self.constraints)
            parts.append(f'<constraints>\n{c}\n</constraints>')
        if self.output_format:
            parts.append(f'<output_format>\n{self.output_format}\n</output_format>')
        return '\n\n'.join(parts)