harvest dirty dozen derived

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        "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints."
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        "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
      },
      "500": {
        "example": {
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        "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit."
      }
    },
    "example": {
      "data_source": "EWG (Environmental Working Group) Shopper's Guide to Pesticides in Produce",
      "dirty_dozen": [
        {
          "why": "Consistently the highest pesticide residue detection rate of any produce item tested.",
          "rank": 1,
          "produce": "Strawberries",
          "organic_premium_worth_it": true,
          "alternatives_if_budget_limited": "Frozen organic strawberries are often cheaper than fresh organic."
        }
      ],
      "key_insight": "Buying organic for the Dirty Dozen and conventional for the Clean Fifteen cuts organic spending significantly.",
      "current_year": "2024/2025",
      "washing_note": "Washing removes some surface residue but not systemic pesticides.",
      "children_note": "Children and pregnant women have higher sensitivity — prioritize organic for them on items #1-6.",
      "clean_fifteen": [
        {
          "rank": 1,
          "produce": "Avocados",
          "why_safe": "Thick inedible skin blocks pesticide penetration to the flesh."
        }
      ],
      "budget_strategy": "Prioritize organic for items #1-6, conventional is fine for the Clean Fifteen.",
      "pulse_suggestions": [],
      "methodology_caveat": "EWG measures pesticide presence, not necessarily harm; FDA testing uses different criteria."
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