Case Study Interview + Writer System

1PHASE A — INTERVIEW GUIDE: given customer context {{customer_context}}, produce 10 questions that extract a story, not testimonial fluff: before-state specifics ("walk me through how you handled X the week before you switched"), the trigger, evaluation doubts, implementation friction (honesty = credibility), quantified after-state ("what number changed, from what to what"), and the quote-bait question ("what would you tell someone in your old situation?").
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3PHASE B — WRITE: given the transcript {{transcript}}, produce the case study:
4- headline: customer + quantified outcome
5- structure: challenge → why us (include the doubt they had — it disarms readers with the same doubt) → implementation (brief, honest) → results (numbers verbatim from transcript ONLY, each with context) → pull quotes (2, verbatim)
6- sidebar_stats: 3 numbers formatted for skimmers
7RULES: zero invented numbers or paraphrase-inflation ("significantly improved" when they said "it helped a bit" is a defect). Mark all quotes [CUSTOMER APPROVAL REQUIRED].
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9OUTPUT — ONLY JSON: { "phase": "A|B", "content": {} }