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[];\n}\n\n// The RapidAPI account this alert belongs to is the *original* recipient, which\n// survives the Gmail -> Val Town forward in the headers (never in the body). We\n// skip Val Town's own forwarding address and fall back to a body \"To:\" line.\nfunction findAccountEmail(headers: Record, text: string): string {\n const candidates = [\n headers[\"to\"],\n headers[\"delivered-to\"],\n headers[\"x-forwarded-for\"],\n headers[\"x-forwarded-to\"],\n ];\n for (const c of candidates) {\n for (const em of extractEmails(c)) {\n if (!/@valtown\\.email$/i.test(em)) return em;\n }\n }\n const m = text.match(/To:\\s*\\s]+@[^>\\s]+)>?/i);\n return m ? m[1] : \"\";\n}\n\n// Strip the display name out of a \"Name \" From value.\nfunction displayName(from: string): string {\n return from.replace(/\\s*<[^>]*>\\s*/, \"\").trim();\n}\n\nexport default async function (e: Email) {\n const webhook = new IncomingWebhook(Deno.env.get(\"SLACK_WEBHOOK_URL\")!);\n\n console.log(e);\n\n const subject = e.subject || \"\";\n const text = e.text || \"\";\n const headers = (e.headers || {}) as Record;\n const from = e.from || String(headers[\"from\"] || \"\");\n\n // Only act on quota emails at 85% or 100%.\n const percentageMatch = subject.match(/(\\d+)%/) || text.match(/used (\\d+)%/i);\n if (!percentageMatch) return;\n const percentage = parseInt(percentageMatch[1], 10);\n if (percentage !== 85 && percentage !== 100) return;\n\n // The whole point: which RapidAPI account (email) hit the limit.\n const accountEmail = findAccountEmail(headers, text);\n\n // API name comes from the subject (\"...quota for the \"); fall back\n // to the sender's display name (\"Nokia API Hub \").\n const provider = displayName(from);\n const apiMatch = subject.match(/quota for the\\s+(.+?)\\s*$/i);\n const apiName = apiMatch ? 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