AI Weekly Brief — ${report.weekLabel}

\n ${u.label}\n ${item.sourceType}\n

${item.headline}

${item.source}

${item.insight}

\n CPG Angle\n ${item.cpgAngle}\n

`;\n }).join('');\n\n return `\n

\n ${section.icon || sectionIcons[section.id] || '📌'}\n ${section.title}\n

\n ${itemsHTML}\n

`;\n }).join('');\n\n const implicationsHTML = report.strategicImplications.map((imp: string, i: number) => `\n

0${i+1}

${imp}

`).join('');\n\n const signalsHTML = report.emergingSignals.map((sig: string) => `\n

\n ${sig}\n

`).join('');\n\n return `\n\n\n\nAI Weekly Brief — ${report.weekLabel}\n\n\n\n \n

CPG Executive Intelligence

AI Weekly Brief

Curated for senior executives leading AI transformation

\n\n \n

Executive Summary

${report.executiveSummary}

${report.weekLabel}

\n\n \n

\n ${sectionsHTML}\n

\n\n \n

🎯 Strategic Implications for You

\n ${implicationsHTML}\n

Early Signals to Watch

\n ${signalsHTML}\n

\n\n \n

Generated by AI Weekly Brief Agent · ${new Date().toLocaleDateString('en-GB', {weekday:'long', day:'numeric', month:'long', year:'numeric'})}

\n\n\n`;\n}\n\n// ── Main handler ─────────────────────────────────────────────\nexport default async function handler(interval: Interval) {\n const ANTHROPIC_API_KEY = Deno.env.get(\"ANTHROPIC_API_KEY\");\n const YOUR_EMAIL = Deno.env.get(\"YOUR_EMAIL\");\n\n if (!ANTHROPIC_API_KEY || !YOUR_EMAIL) {\n throw new Error(\"Missing environment variables: ANTHROPIC_API_KEY or YOUR_EMAIL\");\n }\n\n // Build date range label\n const today = new Date();\n const weekStart = new Date(today);\n weekStart.setDate(today.getDate() - 7);\n const fmt = (d: Date) => d.toLocaleDateString(\"en-GB\", { day: \"numeric\", month: \"short\" });\n const dateRange = `${fmt(weekStart)} – ${fmt(today)} ${today.getFullYear()}`;\n\n console.log(`Generating brief for: ${dateRange}`);\n\n // ── 1. Call Claude API with web search ──────────────────\n const claudeRes = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"x-api-key\": ANTHROPIC_API_KEY,\n \"anthropic-version\": \"2023-06-01\",\n },\n body: JSON.stringify({\n model: \"claude-sonnet-4-6\",\n max_tokens: 3000,\n system: SYSTEM_PROMPT,\n // Web search disabled for testing (re-enable with Pro tier)\n // tools: [{ type: \"web_search_20250305\", name: \"web_search\" }],\n messages: [{\n role: \"user\",\n content: `Compile the AI Weekly Intelligence Brief for the week of ${dateRange}. Use your knowledge of recent AI developments. Today is ${today.toISOString()}. Return ONLY valid JSON — no markdown, no preamble.`,\n }],\n }),\n });\n\n if (!claudeRes.ok) {\n const err = await claudeRes.text();\n throw new Error(`Claude API error: ${claudeRes.status} — ${err}`);\n }\n\n const claudeData = await claudeRes.json();\n\n // Extract text block (response may include tool_use blocks from web search)\n let jsonText = \"\";\n for (const block of claudeData.content) {\n if (block.type === \"text\") jsonText += block.text;\n }\n\n // Clean and parse JSON\n const cleanJson = jsonText.replace(/```json|```/g, \"\").trim();\n let report;\n try {\n report = JSON.parse(cleanJson);\n } catch (e) {\n throw new Error(`Failed to parse Claude response as JSON: ${(e as Error).message}\\nRaw: ${cleanJson.slice(0, 500)}`);\n }\n\n console.log(`Report generated: ${report.sections?.length} sections, ${report.sections?.reduce((a: number, s: any) => a + s.items?.length, 0)} items`);\n\n // ── 2. Build HTML report ─────────────────────────────────\n const html = buildHTML(report);\n\n // ── 3. 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