The Daily Briefing

The Daily Briefing

\n \n \n \n \n

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\n\n \n \n",[141],"455e51f4-54ab-11f1-874c-ee650bb23af1","icon.svg","455e5456-54ab-11f1-874c-ee650bb23af1",9,["D",1779323000504],"\n",[148],"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",[155],"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",[163],"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",[170],"669ed1ca-54a8-11f1-b054-ee650bb23af1","lib","669ed2b0-54a8-11f1-b054-ee650bb23af1",["D",1779321767798],"directory",[177],"pulls","forks","envVars",{"_188":144,"_190":54},"connections",{"_188":54,"_189":54},"count","unfilledCount","emptyCount",{"_20":176,"_13":177,"_126":178,"_128":-5,"_129":21,"_130":144,"_132":50,"_22":236,"_29":54,"_134":180,"_135":-5,"_137":38,"_138":-5,"_201":237,"_94":238},{"_20":228,"_13":229,"_126":230,"_128":178,"_129":21,"_130":231,"_132":50,"_22":232,"_29":54,"_134":224,"_135":233,"_137":38,"_138":-5,"_201":234,"_94":235},{"_20":219,"_13":220,"_126":221,"_128":178,"_129":21,"_130":222,"_132":50,"_22":223,"_29":144,"_134":224,"_135":225,"_137":38,"_138":-5,"_201":226,"_94":227},{"_20":169,"_13":170,"_126":171,"_128":-5,"_129":21,"_130":172,"_132":50,"_22":216,"_29":144,"_134":106,"_135":174,"_137":38,"_138":-5,"_201":217,"_94":218},{"_20":162,"_13":163,"_126":48,"_128":-5,"_129":21,"_130":164,"_132":50,"_22":213,"_29":144,"_134":166,"_135":167,"_137":38,"_138":-5,"_201":214,"_94":215},{"_20":154,"_13":155,"_126":156,"_128":-5,"_129":21,"_130":157,"_132":50,"_22":210,"_29":54,"_134":159,"_135":160,"_137":38,"_138":-5,"_201":211,"_94":212},{"_20":147,"_13":148,"_126":149,"_128":-5,"_129":21,"_130":150,"_132":50,"_22":207,"_29":54,"_134":106,"_135":152,"_137":38,"_138":-5,"_201":208,"_94":209},{"_20":140,"_13":141,"_126":142,"_128":-5,"_129":21,"_130":30,"_132":50,"_22":204,"_29":144,"_134":106,"_135":145,"_137":38,"_138":-5,"_201":205,"_94":206},{"_20":124,"_13":125,"_126":127,"_128":-5,"_129":21,"_130":131,"_132":50,"_22":200,"_29":54,"_134":106,"_135":136,"_137":38,"_138":-5,"_201":202,"_94":203},["D",1779322991464],"children",[],[125],["D",1779394685982],[],[141],["D",1779323000504],[],[148],["D",1779321785691],[],[155],["D",1779323010920],[],[163],["D",1779323033158],[],[170],"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\";",[],[177,220],"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",[],[177,229],["D",1779321767798],[192,193],[177],["D",1779321764994],["D",1789511441255],{"_11":12,"_92":88},{"_11":12,"_85":86,"_87":88,"_45":46,"_89":90,"_91":38},{"_29":30,"_13":26,"_20":21,"_27":28,"_31":-5,"_32":-5,"_80":-5,"_81":-5,"_82":-5,"_83":14,"_84":12},"ctx",{"_73":-5,"_114":277,"_278":279,"_280":281,"_282":38,"_283":38,"_284":38,"_285":50,"_286":-5,"_287":-7,"_288":-7,"_289":54,"_290":38,"_291":38,"_292":-5,"_293":38,"_294":38,"_295":38,"_296":-5},"ENV",{"_248":249,"_250":251,"_252":26,"_253":254,"_255":256,"_257":258,"_259":260,"_261":262,"_263":264,"_265":266,"_267":268,"_269":270,"_271":272,"_273":274,"_275":276},"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"]

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