Voice Note

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\",\n \"\",\n \"\",\n \"\",\n].join(\"\\n\");\n\n// ---- Helpers -------------------------------------------------------------\n\nfunction todayString(): string {\n return new Intl.DateTimeFormat(\"en-CA\", { timeZone: TIMEZONE }).format(\n new Date(),\n );\n}\n\nfunction extractJson(text: string): any {\n let t = text.trim();\n t = t.replace(/^```(?:json)?/i, \"\").replace(/```$/i, \"\").trim();\n const start = t.indexOf(\"{\");\n const end = t.lastIndexOf(\"}\");\n if (start === -1 || end === -1) {\n throw new Error(\"No JSON object found in model output\");\n }\n return JSON.parse(t.slice(start, end + 1));\n}\n\nfunction chunkText(content: string): string[] {\n if (content.length <= NOTION_TEXT_LIMIT) return [content];\n const chunks: string[] = [];\n for (let i = 0; i < content.length; i += NOTION_TEXT_LIMIT) {\n chunks.push(content.slice(i, i + NOTION_TEXT_LIMIT));\n }\n return chunks;\n}\n\nfunction sanitizeBlock(block: any): any {\n if (!block || typeof block !== \"object\" || !block.type) return null;\n const inner = block[block.type];\n if (inner && Array.isArray(inner.rich_text)) {\n const fixed: any[] = [];\n for (const rt of inner.rich_text) {\n const content = rt?.text?.content;\n if (typeof content === \"string\" && content.length > NOTION_TEXT_LIMIT) {\n for (const piece of chunkText(content)) {\n fixed.push({ type: \"text\", text: { content: piece } });\n }\n } else if (rt) {\n fixed.push(rt);\n }\n }\n inner.rich_text = fixed;\n }\n return block;\n}\n\nfunction paragraphBlock(content: string) {\n return {\n object: \"block\",\n type: \"paragraph\",\n paragraph: {\n rich_text: chunkText(content).map((c) => ({\n type: \"text\",\n text: { content: c },\n })),\n },\n };\n}\n\n// ---- Notion calls --------------------------------------------------------\n\nlet topicCache: { topics: string[]; fetchedAt: number } | null = null;\n\nasync function getCurrentTopics(): Promise {\n const maxAgeMs = TOPIC_CACHE_MINUTES * 60 * 1000;\n if (topicCache && Date.now() - topicCache.fetchedAt < maxAgeMs) {\n return topicCache.topics;\n }\n const res = await fetch(\n `https://api.notion.com/v1/databases/${NOTION_DATABASE_ID}`,\n {\n headers: {\n Authorization: `Bearer ${NOTION_TOKEN}`,\n \"Notion-Version\": NOTION_VERSION,\n },\n },\n );\n if (!res.ok) {\n throw new Error(\n `Notion DB fetch failed: ${res.status} ${await res.text()}`,\n );\n }\n const db = await res.json();\n const options = db.properties?.Topic?.select?.options ?? [];\n const topics = options.map((o: any) => o.name);\n topicCache = { topics, fetchedAt: Date.now() };\n return topics;\n}\n\nasync function createNotionPage(entry: {\n title: string;\n type: string;\n topic: string;\n blocks: any[];\n}): Promise {\n const type = ALLOWED_TYPES.includes(entry.type) ? entry.type : FALLBACK_TYPE;\n const title = (entry.title || \"Untitled\").slice(0, NOTION_TEXT_LIMIT);\n const blocks = (Array.isArray(entry.blocks) ? entry.blocks : [])\n .map(sanitizeBlock)\n .filter(Boolean);\n const firstChunk = blocks.slice(0, 100);\n\n const res = await fetch(\"https://api.notion.com/v1/pages\", {\n method: \"POST\",\n headers: {\n Authorization: `Bearer ${NOTION_TOKEN}`,\n \"Notion-Version\": NOTION_VERSION,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n parent: { database_id: NOTION_DATABASE_ID },\n properties: {\n Title: { title: [{ text: { content: title } }] },\n Date: { date: { start: todayString() } },\n Type: { select: { name: type } },\n Topic: { select: { name: entry.topic || \"General\" } },\n },\n children: firstChunk,\n }),\n });\n if (!res.ok) {\n throw new Error(\n `Notion page create failed: ${res.status} ${await res.text()}`,\n );\n }\n const page = await res.json();\n\n for (let i = 100; i < blocks.length; i += 100) {\n await fetch(`https://api.notion.com/v1/blocks/${page.id}/children`, {\n method: \"PATCH\",\n headers: {\n Authorization: `Bearer ${NOTION_TOKEN}`,\n \"Notion-Version\": NOTION_VERSION,\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({ children: blocks.slice(i, i + 100) }),\n });\n await new Promise((r) => setTimeout(r, 350));\n }\n return page.url ?? page.id;\n}\n\n// ---- Claude call ---------------------------------------------------------\n\nasync function classify(transcript: string, topics: string[]): Promise {\n const userMessage = `DATE: ${todayString()}\\n` +\n `TOPICS: ${topics.join(\", \") || \"General\"}\\n\\n` +\n `TRANSCRIPT:\\n${transcript}`;\n\n const res = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"x-api-key\": ANTHROPIC_API_KEY,\n \"anthropic-version\": \"2023-06-01\",\n \"Content-Type\": \"application/json\",\n },\n body: JSON.stringify({\n model: MODEL,\n max_tokens: 8000,\n temperature: 0,\n system: SYSTEM_PROMPT,\n messages: [{ role: \"user\", content: userMessage }],\n }),\n });\n if (!res.ok) {\n throw new Error(`Anthropic call failed: ${res.status} ${await res.text()}`);\n }\n const data = await res.json();\n const text = (data.content ?? []).filter((b: any) => b.type === \"text\").map((\n b: any,\n ) => b.text).join(\"\");\n const parsed = extractJson(text);\n if (!Array.isArray(parsed.entries) || parsed.entries.length === 0) {\n throw new Error(\"Model output missing 'entries' array\");\n }\n return parsed.entries;\n}\n\n// ---- HTTP handler --------------------------------------------------------\n\nexport default async function (req: Request): Promise {\n if (req.method === \"GET\") {\n return new Response(RECORDER_HTML, {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n }\n if (req.method !== \"POST\") {\n return Response.json({ ok: false, error: \"Use POST\" }, { status: 405 });\n }\n if (req.headers.get(\"x-app-secret\") !== APP_SECRET) {\n return Response.json({ ok: false, error: \"Unauthorized\" }, { status: 401 });\n }\n\n let transcript = \"\";\n try {\n const body = await req.json();\n transcript = (body.transcript ?? \"\").toString().trim();\n } catch {\n return Response.json({\n ok: false,\n error: \"Body must be JSON with a 'transcript' field\",\n }, { status: 400 });\n }\n if (!transcript) {\n return Response.json({ ok: false, error: \"Empty transcript\" }, {\n status: 400,\n });\n }\n\n try {\n const topics = await getCurrentTopics();\n const entries = await classify(transcript, topics);\n\n const created: any[] = [];\n const failed: any[] = [];\n for (const entry of entries) {\n try {\n const url = await createNotionPage(entry);\n created.push({\n title: entry.title,\n type: entry.type,\n topic: entry.topic,\n url,\n });\n } catch (e) {\n failed.push({ title: entry.title, error: String(e) });\n }\n await new Promise((r) => setTimeout(r, 350)); // stay under Notion's 3 req/sec\n }\n return Response.json({ ok: failed.length === 0, created, failed });\n } catch (err) {\n // Safety net: never lose the transcript. 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