Use a concise JSON-scoring prompt. Example: “You are a lead scorer. Input: {name, company_size, role, pain_points, form_answers}. Return JSON: {score:0-100, bucket:"hot|warm|cold", top_reasons:[...], action:"create_task|email|nurture"}. Keep rationale ≤1 sentence.”

For long contexts: send only essential fields or pre-summarize/chunk and merge partial scores. For testing: make a Zapier test Zap that writes to a HubSpot staging property and use Zapier Filters to simulate thresholds before going live.

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