The Daily Briefing

The Daily Briefing

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\n\n \n \n",[135],"455e51f4-54ab-11f1-874c-ee650bb23af1","icon.svg","455e5456-54ab-11f1-874c-ee650bb23af1",9,["D",1779323000504],"\n",[142],"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",[149],"4b94e57e-54ab-11f1-bc84-ee650bb23af1","api.ts",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",[157],"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 config\n",[164],"669ed1ca-54a8-11f1-b054-ee650bb23af1","lib","669ed2b0-54a8-11f1-b054-ee650bb23af1",["D",1779321767798],"directory",[171],"pulls","branches","forks","envVars",{"_183":138,"_185":42},"connections",{"_183":42,"_184":42},"count","unfilledCount","emptyCount",{"_18":170,"_20":171,"_120":172,"_122":-5,"_123":71,"_124":138,"_126":38,"_22":231,"_68":42,"_128":174,"_129":-5,"_131":26,"_132":-5,"_196":232,"_89":233},{"_18":223,"_20":224,"_120":225,"_122":172,"_123":71,"_124":226,"_126":38,"_22":227,"_68":42,"_128":219,"_129":228,"_131":26,"_132":-5,"_196":229,"_89":230},{"_18":214,"_20":215,"_120":216,"_122":172,"_123":71,"_124":217,"_126":38,"_22":218,"_68":138,"_128":219,"_129":220,"_131":26,"_132":-5,"_196":221,"_89":222},{"_18":163,"_20":164,"_120":165,"_122":-5,"_123":71,"_124":166,"_126":38,"_22":211,"_68":138,"_128":100,"_129":168,"_131":26,"_132":-5,"_196":212,"_89":213},{"_18":156,"_20":157,"_120":36,"_122":-5,"_123":71,"_124":158,"_126":38,"_22":208,"_68":138,"_128":160,"_129":161,"_131":26,"_132":-5,"_196":209,"_89":210},{"_18":148,"_20":149,"_120":150,"_122":-5,"_123":71,"_124":151,"_126":38,"_22":205,"_68":42,"_128":153,"_129":154,"_131":26,"_132":-5,"_196":206,"_89":207},{"_18":141,"_20":142,"_120":143,"_122":-5,"_123":71,"_124":144,"_126":38,"_22":202,"_68":42,"_128":100,"_129":146,"_131":26,"_132":-5,"_196":203,"_89":204},{"_18":134,"_20":135,"_120":136,"_122":-5,"_123":71,"_124":69,"_126":38,"_22":199,"_68":138,"_128":100,"_129":139,"_131":26,"_132":-5,"_196":200,"_89":201},{"_18":118,"_20":119,"_120":121,"_122":-5,"_123":71,"_124":125,"_126":38,"_22":195,"_68":42,"_128":100,"_129":130,"_131":26,"_132":-5,"_196":197,"_89":198},["D",1779322991464],"children",[],[119],["D",1779394685982],[],[135],["D",1779323000504],[],[142],["D",1779321785691],[],[149],["D",1779323010920],[],[157],["D",1779323033158],[],[164],"3d26e290-554f-11f1-9e1e-ee650bb23af1","config.ts","685fe436-54a8-11f1-b054-ee650bb23af1",12,["D",1779393424176],"script","export const MODEL = \"claude-sonnet-4-6\";\nexport const TOPICS = [\n \"Geopolitics\",\n \"Current Affairs\",\n \"Sports\",\n \"Trends\",\n \"AI\",\n];\nexport const BLOB_KEY = \"briefing_digest\";",[],[171,215],"6a610fd0-54a8-11f1-85c8-ee650bb23af1","claude.ts","6a611084-54a8-11f1-85c8-ee650bb23af1",3,["D",1779321774108],"import { MODEL } from \"./config.ts\";\n\nconst ANTHROPIC_KEY = Deno.env.get(\"ANTHROPIC_KEY\");\n\nexport async function callClaude(\n messages: { role: string; content: string }[],\n useSearch: boolean,\n): Promise {\n const body: Record = {\n model: MODEL,\n max_tokens: 1500,\n messages,\n };\n if (useSearch) {\n body.tools = [{ type: \"web_search_20250305\", name: \"web_search\" }];\n }\n\n const r = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"x-api-key\": ANTHROPIC_KEY!,\n \"anthropic-version\": \"2023-06-01\",\n },\n body: JSON.stringify(body),\n });\n\n const data = await r.json();\n if (data.error) throw new Error(data.error.message || \"API error\");\n\n return (data.content || [])\n .filter((c: { type: string }) => c.type === \"text\")\n .map((c: { text: string }) => c.text)\n .join(\"\\n\")\n .trim();\n}\n",[],[171,224],["D",1779321767798],[187,188],[171],["D",1779321764994],["D",1789511441255],{"_16":17,"_87":83},{"_16":17,"_80":81,"_82":83,"_33":34,"_84":85,"_86":26},{"_68":69,"_20":70,"_18":71,"_72":19,"_73":-5,"_74":-5,"_75":-5,"_76":-5,"_77":-5,"_78":21,"_79":17},"ctx",{"_61":-5,"_108":272,"_273":274,"_275":276,"_277":26,"_278":26,"_279":26,"_280":38,"_281":-5,"_282":-7,"_283":-7,"_284":42,"_285":26,"_286":26,"_287":-5,"_288":26,"_289":26,"_290":26,"_291":-5},"ENV",{"_243":244,"_245":246,"_247":70,"_248":249,"_250":251,"_252":253,"_254":255,"_256":257,"_258":259,"_260":261,"_262":263,"_264":265,"_266":267,"_268":269,"_270":271},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]