[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_216":217,"_218":219},"routes/_app.x.$handle.$name",{"_101":100,"_33":46,"_110":91,"_27":37,"_13":14,"_111":-5,"_11":112,"_113":114,"_115":116,"_117":118,"_119":120,"_20":-5,"_121":-5,"_122":-5,"_123":25,"_124":125,"_126":25,"_127":-5,"_128":-5,"_129":130},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_44":45,"_33":46,"_39":47,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":54,"_55":-5,"_18":56,"_57":58,"_59":60,"_61":-5,"_62":-5,"_63":64,"_65":66,"_67":68,"_69":70,"_71":72,"_73":-5,"_74":75,"_76":75,"_77":78,"_79":78,"_80":78,"_81":75,"_82":75,"_83":84,"_85":86,"_87":88,"_89":25},"version",11,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":30},"file",{"_31":32,"_33":28,"_34":35,"_36":38,"_39":40,"_41":14,"_42":43,"_24":25},"previous",{"_31":32,"_33":28,"_34":35,"_36":37},"deleted",false,"deletedHere","path","new-file-4807.ts","latestPath","memory.ts","fileId","2881962c-ad1b-11f1-9f80-1607ee4eb77e","name","fileType","script","content","","// Step 3 of 4 — MEMORY. Val.town gives every free account a 10 MB SQLite database.\n// Three tables: what was said, what you asked it to remember, and reminders for the cron.\nimport { sqlite } from \"https://esm.town/v/std/sqlite\";\n\nawait sqlite.batch([\n `CREATE TABLE IF NOT EXISTS messages (id INTEGER PRIMARY KEY, chat_id TEXT, role TEXT, content TEXT, created_at TEXT DEFAULT (datetime('now')))`,\n `CREATE TABLE IF NOT EXISTS notes (id INTEGER PRIMARY KEY, chat_id TEXT, note TEXT, created_at TEXT DEFAULT (datetime('now')))`,\n `CREATE TABLE IF NOT EXISTS reminders (id INTEGER PRIMARY KEY, chat_id TEXT, due_at TEXT, text TEXT, sent INTEGER DEFAULT 0)`,\n]);\n\n// libsql returns rows as arrays plus a columns list; turn them into plain objects.\nfunction rows(result: any): any[] {\n const { columns, rows } = result;\n return rows.map((\n r: any,\n ) => (Array.isArray(r)\n ? Object.fromEntries(columns.map((c: string, i: number) => [c, r[i]]))\n : r)\n );\n}\n\nexport async function history(chatId: string, limit = 20) {\n const r = await sqlite.execute({\n sql:\n `SELECT role, content FROM messages WHERE chat_id = ? ORDER BY id DESC LIMIT ?`,\n args: [chatId, limit],\n });\n return rows(r).reverse().map((m) => ({ role: m.role, content: m.content }));\n}\nexport async function saveMessage(\n chatId: string,\n role: string,\n content: string,\n) {\n await sqlite.execute({\n sql: `INSERT INTO messages (chat_id, role, content) VALUES (?, ?, ?)`,\n args: [chatId, role, content],\n });\n}\nexport async function remember(chatId: string, note: string) {\n await sqlite.execute({\n sql: `INSERT INTO notes (chat_id, note) VALUES (?, ?)`,\n args: [chatId, note],\n });\n return `Remembered: ${note}`;\n}\nexport async function recall(chatId: string) {\n const r = await sqlite.execute({\n sql:\n `SELECT note, created_at FROM notes WHERE chat_id = ? ORDER BY id DESC LIMIT 30`,\n args: [chatId],\n });\n const notes = rows(r);\n return notes.length\n ? notes.map((n) => `- ${n.note} (${n.created_at})`).join(\"\\n\")\n : \"Nothing remembered yet.\";\n}\nexport async function setReminder(\n chatId: string,\n dueAtIso: string,\n text: string,\n) {\n if (Number.isNaN(Date.parse(dueAtIso))) {\n return `I need a real date and time, got \"${dueAtIso}\".`;\n }\n await sqlite.execute({\n sql: `INSERT INTO reminders (chat_id, due_at, text) VALUES (?, ?, ?)`,\n args: [chatId, new Date(dueAtIso).toISOString(), text],\n });\n return `Reminder set for ${\n new Date(dueAtIso).toLocaleString(\"en-GB\", { timeZone: \"Europe/Oslo\" })\n }: ${text}`;\n}\nexport async function dueReminders() {\n const r = await sqlite.execute({\n sql:\n `SELECT id, chat_id, text FROM reminders WHERE sent = 0 AND due_at <= ?`,\n args: [new Date().toISOString()],\n });\n return rows(r);\n}\nexport async function markSent(id: number) {\n await sqlite.execute({\n sql: `UPDATE reminders SET sent = 1 WHERE id = ?`,\n args: [id],\n });\n}\n\n// The memory tools the model can call. They need the chat id, so we build them per request.\nexport function memoryTools(chatId: string) {\n return {\n remember: (a: any) => remember(chatId, a.note),\n recall: () => recall(chatId),\n set_reminder: (a: any) => setReminder(chatId, a.due_at, a.text),\n };\n}\nexport const memorySchemas = [\n {\n type: \"function\",\n function: {\n name: \"remember\",\n description:\n \"Store a fact about the user for later, e.g. their home stop or a preference.\",\n parameters: {\n type: \"object\",\n properties: { note: { type: \"string\" } },\n required: [\"note\"],\n },\n },\n },\n {\n type: \"function\",\n function: {\n name: \"recall\",\n description: \"List everything remembered about this user.\",\n parameters: { type: \"object\", properties: {} },\n },\n },\n {\n type: \"function\",\n function: {\n name: \"set_reminder\",\n description:\n \"Schedule a message to the user at a future time. due_at must be an ISO 8601 datetime with timezone, e.g. 2026-09-11T07:45:00+02:00.\",\n parameters: {\n type: \"object\",\n properties: { due_at: { type: \"string\" }, text: { type: \"string\" } },\n required: [\"due_at\", \"text\"],\n },\n },\n },\n];","createdAt",["D",1789046762583],"branchVersion","branchId","bfef0492-d163-4418-ae3c-5faf4f1ecca3","id","f90ddc54-2774-419c-93d1-6657b655cba3","oslo-assistant",["D",1789046612776],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Oslo Vibe Coding S07: free Telegram assistant for Oslo","imageUrl","e5a6aed0-75b5-4515-9a1a-04c8a7847d1b","pinnedFileId","2f9824ee-ad1b-11f1-9bc4-1607ee4eb77e","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","01a08b7a-97a7-722a-b4e2-f98d180c34ba","tursoName","f90ddc542774419c93d16657b655cba3","tursoHostname","f90ddc542774419c93d16657b655cba3-val-town.aws-us-east-2.turso.io","tursoMeasuredAt",["D",1789488693443],"pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_101":100,"_109":105},"org",{"_101":100,"_102":103,"_104":105,"_18":56,"_106":107,"_108":25},"branch",{"_13":90,"_33":91,"_44":43,"_92":45,"_93":-5,"_94":-5,"_95":-5,"_96":-5,"_97":-5,"_98":46,"_99":100},"isOwned",39,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","akijain2000","handle","displayName","Akshat Jain","avatar","https://avatars.githubusercontent.com/u/42636196?v=4","tier","free","canRestrictVals","profileImageUrl","branchName","adoptOrgId",{"_44":45,"_33":46,"_39":211,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":54,"_55":-5,"_18":56,"_57":58,"_59":60,"_61":-5,"_62":-5,"_63":64,"_65":66,"_67":68,"_69":70,"_71":212,"_73":-5,"_74":75,"_76":75,"_77":78,"_79":78,"_80":78,"_81":75,"_82":75,"_83":213,"_85":214,"_87":215,"_89":25},"tree",[186,187,188,189,190,191],"files",[186,187,188,189,190,191],"counts",{"_176":64,"_177":154,"_178":64,"_179":180,"_181":182},"contents",[131,132,133,134,135,136],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_44":168,"_33":169,"_31":170,"_140":-5,"_42":43,"_41":171,"_142":25,"_39":172,"_13":173,"_34":35,"_36":174,"_24":25,"_144":-5,"_27":175},{"_44":163,"_33":164,"_31":165,"_140":-5,"_42":43,"_41":154,"_142":25,"_39":166,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_27":167},{"_44":156,"_33":157,"_31":158,"_140":-5,"_42":43,"_41":159,"_142":25,"_39":160,"_13":154,"_34":35,"_36":161,"_24":25,"_144":-5,"_27":162},{"_44":152,"_33":28,"_31":32,"_140":-5,"_42":43,"_41":14,"_142":25,"_39":153,"_13":154,"_34":35,"_36":38,"_24":25,"_144":-5,"_27":155},{"_44":146,"_33":147,"_31":148,"_140":-5,"_42":43,"_41":149,"_142":25,"_39":150,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_27":151},{"_44":137,"_33":138,"_31":139,"_140":-5,"_42":43,"_41":141,"_142":25,"_39":143,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_27":145},"ffb7083e-a55d-47d0-b56b-0c61db2bab49","new-file-8086.ts","24f7715c-ad1b-11f1-9b90-1607ee4eb77e","parentId",6,"latest",["D",1789046752085],"label",[138],"2cb69e86-2211-4800-8a56-15671402af9b","new-file-7256.ts","256f8b9c-ad1b-11f1-969c-1607ee4eb77e",7,["D",1789046752882],[147],"563e1e76-0893-4d37-9cc4-0ab92e17127a",["D",1789046762583],1,[28],"4ea05973-79ca-485d-8c1c-cd2a291d6540","new-file-2883.ts","257d9160-ad1b-11f1-96e7-1607ee4eb77e",9,["D",1789046756778],"// Step 2 of 4 — TOOLS. Two things the agent can *do*, both keyless Oslo open data.\n// Pure fetch, no Val.town imports, so you can run `node --test` on this file locally.\n\nconst CLIENT = \"oslovibecoding-first-agent\"; // both APIs ask you to identify your app\n\n// ---------- Entur: live departures from any Oslo stop ----------\nexport async function osloDepartures(stopName: string): Promise {\n const geo = await fetch(\n `https://api.entur.io/geocoder/v1/autocomplete?text=${\n encodeURIComponent(stopName)\n }&layers=venue&size=1&boundary.county_ids=03`,\n { headers: { \"ET-Client-Name\": CLIENT } },\n ).then((r) => r.json());\n const hit = geo.features?.[0]?.properties;\n if (!hit) return `No stop found for \"${stopName}\".`;\n\n const query = `query($id:String!){ stopPlace(id:$id){ name\n estimatedCalls(numberOfDepartures:8, timeRange:3600){ expectedDepartureTime realtime\n destinationDisplay{ frontText } serviceJourney{ line{ publicCode transportMode } } } } }`;\n const data = await fetch(\"https://api.entur.io/journey-planner/v3/graphql\", {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\", \"ET-Client-Name\": CLIENT },\n body: JSON.stringify({ query, variables: { id: hit.id } }),\n }).then((r) => r.json());\n const calls = data.data?.stopPlace?.estimatedCalls ?? [];\n if (calls.length === 0) {\n return `No departures in the next hour from ${hit.name}.`;\n }\n const lines = calls.map((c: any) => {\n const t = new Date(c.expectedDepartureTime).toLocaleTimeString(\"en-GB\", {\n timeZone: \"Europe/Oslo\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n });\n return `${t} ${c.serviceJourney.line.transportMode} ${c.serviceJourney.line.publicCode} to ${c.destinationDisplay.frontText}`;\n });\n return `Departures from ${hit.name} (Oslo time):\\n${lines.join(\"\\n\")}`;\n}\n\n// ---------- Yr (MET Norway): the next few hours of weather in Oslo ----------\nexport async function osloWeather(hours = 6): Promise {\n const data = await fetch(\n \"https://api.met.no/weatherapi/locationforecast/2.0/compact?lat=59.9111&lon=10.7528\",\n { headers: { \"User-Agent\": `${CLIENT} oslovibecoding.tech` } },\n ).then((r) => r.json());\n const series = (data.properties?.timeseries ?? []).slice(\n 0,\n Math.max(1, Math.min(hours, 12)),\n );\n if (series.length === 0) return \"Weather service returned nothing.\";\n const rows = series.map((s: any) => {\n const t = new Date(s.time).toLocaleTimeString(\"en-GB\", {\n timeZone: \"Europe/Oslo\",\n hour: \"2-digit\",\n minute: \"2-digit\",\n });\n const temp = s.data.instant.details.air_temperature;\n const next = s.data.next_1_hours;\n const rain = next?.details?.precipitation_amount ?? 0;\n const sky = next?.summary?.symbol_code ?? \"unknown\";\n return `${t}: ${temp}°C, ${rain} mm rain, ${sky}`;\n });\n return `Oslo weather, next ${rows.length} hours:\\n${rows.join(\"\\n\")}`;\n}\n\n// ---------- What the model sees: a name, a description, and the arguments ----------\nexport const toolSchemas = [\n {\n type: \"function\",\n function: {\n name: \"oslo_departures\",\n description:\n \"Live public transport departures in the next hour from a named stop in Oslo (tram, metro, bus, train).\",\n parameters: {\n type: \"object\",\n properties: {\n stop_name: {\n type: \"string\",\n description: \"Stop name, e.g. Jernbanetorget\",\n },\n },\n required: [\"stop_name\"],\n },\n },\n },\n {\n type: \"function\",\n function: {\n name: \"oslo_weather\",\n description:\n \"Hourly weather forecast for central Oslo: temperature, rain in mm, sky.\",\n parameters: {\n type: \"object\",\n properties: {\n hours: {\n type: \"integer\",\n description: \"How many hours ahead, 1 to 12\",\n default: 6,\n },\n },\n },\n },\n },\n] as const;\n\n// Map tool name -> function. The agent loop calls this when the model asks for a tool.\nexport const openDataTools: Record Promise> = {\n oslo_departures: (a) => osloDepartures(a.stop_name),\n oslo_weather: (a) => osloWeather(a.hours),\n};",[157],"9ac623e7-c124-4607-ada5-0045485479e1","main.ts","d1f2b354-ad1a-11f1-ac1e-1607ee4eb77e",["D",1789046612814],[164],"fffc2386-55e3-42b8-b129-998721f52ea2","agent.ts","dc9f35e8-ad1a-11f1-affb-1607ee4eb77e",5,["D",1789046735286],3,"// The agent LOOP, in 40 lines. This is the part worth reading.\n// Ask model -> if it wants a tool, run it and go round again -> stop when it answers or the budget is spent.\n// No Val.town imports here either, so it is unit-testable with a fake model.\n\nexport type Message = {\n role: \"system\" | \"user\" | \"assistant\" | \"tool\";\n content: string | null;\n tool_calls?: any[];\n tool_call_id?: string;\n name?: string;\n};\nexport type ToolFn = (args: any) => Promise;\nexport type CallModel = (messages: Message[], tools: any[]) => Promise;\n\nexport type AgentResult = {\n reply: string;\n toolCalls: { name: string; args: any; result: string }[];\n messages: Message[];\n};\n\nexport async function runAgent(opts: {\n messages: Message[]; // system + history + the new user message\n tools: Record; // name -> function\n schemas: any[]; // what the model is told about the tools\n callModel: CallModel; // the model, injected so tests can fake it\n maxToolCalls?: number; // the guardrail: autonomy without a stop is an expensive while-loop\n}): Promise {\n const budget = opts.maxToolCalls ?? 5;\n const messages = [...opts.messages];\n const log: AgentResult[\"toolCalls\"] = [];\n\n for (let round = 0; round <= budget; round++) {\n const answer = await opts.callModel(messages, opts.schemas);\n messages.push(answer);\n const wanted = answer.tool_calls ?? [];\n if (wanted.length === 0) {\n return { reply: answer.content ?? \"\", toolCalls: log, messages }; // done\n }\n\n if (round === budget) break; // budget spent: fall through to the honest exit below\n\n for (const call of wanted) {\n const name = call.function.name;\n let args: any = {};\n try {\n args = JSON.parse(call.function.arguments || \"{}\");\n } catch { /* keep {} */ }\n const fn = opts.tools[name];\n const result = fn\n ? await fn(args).catch((e) => `Tool error: ${e.message}`)\n : `Unknown tool: ${name}`;\n log.push({ name, args, result });\n messages.push({\n role: \"tool\",\n tool_call_id: call.id,\n name,\n content: result,\n });\n }\n }\n const tried = log.map((t) => t.name).join(\", \") || \"nothing\";\n return {\n reply: `I could not finish within ${budget} tool calls. I tried: ${tried}.`,\n toolCalls: log,\n messages,\n };\n}",[169],"pulls","branches","forks","envVars",{"_183":154,"_185":64},"connections",{"_183":64,"_184":64},"count","unfilledCount","emptyCount",{"_44":168,"_33":169,"_31":170,"_140":-5,"_42":43,"_41":171,"_142":25,"_39":208,"_13":173,"_34":35,"_36":174,"_24":25,"_144":-5,"_193":209,"_27":210},{"_44":163,"_33":164,"_31":165,"_140":-5,"_42":43,"_41":154,"_142":25,"_39":205,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_193":206,"_27":207},{"_44":156,"_33":157,"_31":158,"_140":-5,"_42":43,"_41":159,"_142":25,"_39":202,"_13":154,"_34":35,"_36":161,"_24":25,"_144":-5,"_193":203,"_27":204},{"_44":152,"_33":28,"_31":32,"_140":-5,"_42":43,"_41":14,"_142":25,"_39":199,"_13":154,"_34":35,"_36":38,"_24":25,"_144":-5,"_193":200,"_27":201},{"_44":146,"_33":147,"_31":148,"_140":-5,"_42":43,"_41":149,"_142":25,"_39":196,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_193":197,"_27":198},{"_44":137,"_33":138,"_31":139,"_140":-5,"_42":43,"_41":141,"_142":25,"_39":192,"_13":64,"_34":35,"_36":37,"_24":25,"_144":-5,"_193":194,"_27":195},["D",1789046752085],"children",[],[138],["D",1789046752882],[],[147],["D",1789046762583],[],[28],["D",1789046756778],[],[157],["D",1789046612814],[],[164],["D",1789046735286],[],[169],["D",1789046612776],["D",1789488693443],{"_101":100,"_109":105},{"_101":100,"_102":103,"_104":105,"_18":56,"_106":107,"_108":25},{"_13":90,"_33":91,"_44":43,"_92":45,"_93":-5,"_94":-5,"_95":-5,"_96":-5,"_97":-5,"_98":46,"_99":100},"ctx",{"_83":-5,"_128":249,"_250":251,"_252":253,"_254":25,"_255":25,"_256":25,"_257":60,"_258":-5,"_259":-7,"_260":-7,"_261":64,"_262":25,"_263":25,"_264":-5,"_265":25,"_266":25,"_267":25,"_268":-5},"ENV",{"_220":221,"_222":223,"_224":91,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246,"_247":248},"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"]

Diff · v11