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null : body, {\n status,\n headers: {\n \"content-type\": \"application/json; charset=utf-8\",\n \"cache-control\": \"no-store\",\n \"x-content-type-options\": \"nosniff\",\n ...headers,\n },\n });\n}\n\nfunction validState(value: unknown): value is {\n schemaVersion: number;\n updatedAt?: string;\n lifecycle: Record;\n} {\n if (!value || typeof value !== \"object\" || Array.isArray(value)) return false;\n const state = value as Record;\n if (state.schemaVersion !== 2 || !state.lifecycle || typeof state.lifecycle !== \"object\" || Array.isArray(state.lifecycle)) return false;\n const entries = Object.entries(state.lifecycle as Record);\n if (entries.length > MAX_SYMBOLS) return false;\n for (const [symbol, raw] of entries) {\n if (!/^[A-Z0-9]{2,30}USDT$/.test(symbol) || !raw || typeof raw !== \"object\" || Array.isArray(raw)) return false;\n const item = raw as Record;\n if (typeof item.firstSeen !== \"string\" || !Number.isFinite(Date.parse(item.firstSeen))) return false;\n if (typeof item.firstSeenPrice !== \"number\" || !Number.isFinite(item.firstSeenPrice) || item.firstSeenPrice <= 0) return false;\n if (item.lastSeen !== undefined && (typeof item.lastSeen !== \"string\" || !Number.isFinite(Date.parse(item.lastSeen)))) return false;\n }\n return true;\n}\n\nasync function authorized(req: Request): Promise {\n const expected = Deno.env.get(\"RADAR_STATE_TOKEN_V2\") || \"\";\n const header = req.headers.get(\"authorization\") || \"\";\n const provided = header.startsWith(\"Bearer \") ? 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