The Daily Briefing

The Daily Briefing

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\n\n \n \n",[],[88],"455e51f4-54ab-11f1-874c-ee650bb23af1","icon.svg","455e5456-54ab-11f1-874c-ee650bb23af1",9,["D",1779323000504],"\n",[],[96],"7148cd7e-54a8-11f1-8140-ee650bb23af1","cron.ts","7148ce28-54a8-11f1-8140-ee650bb23af1",5,["D",1779321785691],"interval","import { blob } from \"https://esm.town/v/std/blob\";\nimport { callClaude } from \"./lib/claude.ts\";\nimport { TOPICS, BLOB_KEY } from \"./lib/config.ts\";\n\nexport default async function() {\n const prompt =\n `You are compiling a concise morning briefing. For each of these topics — ` +\n `${TOPICS.join(\", \")} — give ONE current, important update from the last 24-48 hours. ` +\n `Use web search to ensure it is current. ` +\n `Respond ONLY with a JSON array, no preamble, no markdown fences. ` +\n `Each item: {\"topic\":\"...\",\"headline\":\"short headline\",\"body\":\"2-3 sentence summary\"}.`;\n\n const raw = await callClaude([{ role: \"user\", content: prompt }], true);\n const clean = raw.replace(/```json|```/g, \"\").trim();\n const start = clean.indexOf(\"[\");\n const end = clean.lastIndexOf(\"]\");\n const arr = JSON.parse(clean.slice(start, end + 1));\n\n const stamped = arr.map((x: Record) => ({\n ...x,\n fetched: Date.now(),\n }));\n\n await blob.setJSON(BLOB_KEY, stamped);\n console.log(`Digest saved: ${stamped.length} items`);\n}\n",[],[104],"4b94e57e-54ab-11f1-bc84-ee650bb23af1","api.ts","6f23c8e6-54a8-11f1-85c8-ee650bb23af1",10,["D",1779323010920],"http","import { blob } from \"https://esm.town/v/std/blob\";\nimport { readFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { callClaude } from \"./lib/claude.ts\";\n\nexport default async function(req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n\n if (req.method === \"OPTIONS\") {\n return new Response(null, { status: 204 });\n }\n\n // ---- Static assets / app shell ----\n if (req.method === \"GET\" && (path === \"/\" || path === \"/index.html\")) {\n const html = await readFile(\"/index.html\", import.meta.url);\n return new Response(html, {\n headers: { \"Content-Type\": \"text/html; charset=utf-8\" },\n });\n }\n\n if (req.method === \"GET\" && path === \"/manifest.json\") {\n const json = await readFile(\"/manifest.json\", import.meta.url);\n return new Response(json, {\n headers: { \"Content-Type\": \"application/manifest+json\" },\n });\n }\n\n // Serve the SVG as /icon.png too — iOS/Android accept SVG for home screen icons\n if (req.method === \"GET\" && (path === \"/icon.svg\" || path === \"/icon.png\")) {\n const svg = await readFile(\"/icon.svg\", import.meta.url);\n return new Response(svg, {\n headers: {\n \"Content-Type\": \"image/svg+xml\",\n \"Cache-Control\": \"public, max-age=86400\",\n },\n });\n }\n\n // \"View source\" link — redirect to the val on Val Town\n if (req.method === \"GET\" && path === \"/source\") {\n return new Response(null, {\n status: 302,\n headers: { Location: \"https://www.val.town/x/jamesdowdican/daily-briefing\" },\n });\n }\n\n // ---- JSON API ----\n // GET /api/digest — return the latest stored digest\n if (req.method === \"GET\" && path === \"/api/digest\") {\n let digest: unknown[] = [];\n try {\n digest = (await blob.getJSON(\"briefing_digest\")) as unknown[] ?? [];\n } catch {\n digest = [];\n }\n return Response.json({ digest });\n }\n\n // POST /api/ask — proxy a chat question to Claude\n if (req.method === \"POST\" && path === \"/api/ask\") {\n try {\n const { question } = (await req.json()) as { question?: string };\n if (!question) throw new Error(\"No question provided\");\n\n const needsSearch = /news|today|score|match|election|war|trend|breaking/i.test(question);\n\n const answer = await callClaude(\n [\n {\n role: \"user\",\n content:\n `Answer concisely for a personal briefing app covering geopolitics, ` +\n `current affairs, general knowledge, sports, trends, AI, and forecasting ` +\n `niches from patterns. If time-sensitive, say so.\\n\\nQuestion: ${question}`,\n },\n ],\n needsSearch,\n );\n return Response.json({ answer });\n } catch (e: unknown) {\n const message = e instanceof Error ? e.message : \"Unknown error\";\n return Response.json({ error: message });\n }\n }\n\n return new Response(\"Not found\", { status: 404 });\n}\n",[],[113],"58d511b4-54ab-11f1-bc84-ee650bb23af1","README.md","78512d82-54a8-11f1-987a-ee650bb23af1",11,["D",1779323033158],"# The Daily Briefing\n\nA morning briefing **PWA** powered by Claude with web search. Delivers a concise digest across **Geopolitics, Current Affairs, Sports, Trends, and AI** — installable to your phone's home screen.\n\n## Architecture\n\n```mermaid\ngraph LR\n C[cron.ts — 06:30 UTC] -->|Claude + web search| B[Blob Storage]\n A[api.ts — HTTP] -->|serves HTML / JSON| P[Phone Home Screen App]\n A -->|GET /api/digest| B\n A -->|POST /api/ask → Claude| CL[Claude API]\n```\n\n## Endpoints\n\n| Method | Path | Description |\n|--------|------|-------------|\n| `GET` | `/` | The installable web app (HTML) |\n| `GET` | `/manifest.json` | PWA manifest |\n| `GET` | `/icon.png` | App icon (SVG) |\n| `GET` | `/source` | Redirects to the source on Val Town |\n| `GET` | `/api/digest` | Returns the latest stored digest JSON |\n| `POST` | `/api/ask` | Proxies a chat question to Claude (auto-enables web search for time-sensitive queries) |\n\n## Setup\n\n1. **Add `ANTHROPIC_KEY`** in Val Town env vars (your `sk-ant-api03-...` key). Without this, the cron and the Ask tab will fail.\n2. The cron runs daily at 06:30 UTC — adjust in interval settings if you want a different time.\n3. **Install on your phone:**\n - Open the val's public URL in Safari (iOS) or Chrome (Android)\n - Tap *Share → Add to Home Screen* (iOS) or *Menu → Install app* (Android)\n - The app opens in standalone mode with the dark masthead\n\n## Files\n\n- `index.html` — The frontend app (vanilla JS, no build step)\n- `manifest.json` — PWA manifest for home-screen install\n- `icon.svg` — App icon (served as `/icon.png` for compatibility)\n- `api.ts` — HTTP handler (serves app, digest, and chat)\n- `cron.ts` — Interval job that builds the daily digest\n- `lib/claude.ts` — Shared Claude API helper\n- `lib/config.ts` — Model, topics, and blob key 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