Foundry Epic — app workshop

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\n \n\n

\n \n Brief\n 0/5000\n \n \n\n

\n or start from a seed prompt\n

\n\n \n

⌘/Ctrl + Enter to build

\n\n

\n build log\n ▌\n

\n \n

\n\n

\n preview\n

\n waiting for a build\n launch ↗\n \n

\n \n

Your built app renders here, sandboxed.

No build yet — write a brief and press Build app.

\n\n \n \n\n\n","fileType",6,"parentId","5bcfd898-d4b2-4f34-b83b-e07f962670b8","createdAt",["D",1787129671209],"branchVersion",29,"label",[52,39],"views",{"_33":130,"_13":131,"_37":132,"_44":-5,"_35":36,"_48":98,"_60":61,"_46":133,"_17":74,"_42":75,"_40":-5,"_66":67,"_50":-5,"_69":134,"_18":135},{"_33":72,"_13":52,"_37":45,"_44":-5,"_35":36,"_48":63,"_60":61,"_46":73,"_17":74,"_42":75,"_40":-5,"_66":67,"_50":-5,"_69":76,"_18":77},{"_33":56,"_13":57,"_37":58,"_44":-5,"_35":36,"_48":59,"_60":61,"_46":62,"_17":63,"_42":64,"_40":65,"_66":67,"_50":68,"_69":70,"_18":71},"ed4b54a1-b4c2-41ad-9d34-26c202bd4410","main.ts","41fa0a8a-9baa-11f1-a031-1607ee4eb77e",31,"latest",true,["D",1787129676440],7,"http","import { readFile, parseVal } from \"https://esm.town/v/std/utils/index.ts\";\nimport { availableProviders, generateApp } from \"./lib/llm.ts\";\nimport { listBuilds, saveBuild, clearBuilds, getBuild } from \"./lib/db.ts\";\nimport { validateOutput } from \"./lib/prompt.ts\";\n\nconst MIME = {\n \".html\": \"text/html; charset=utf-8\",\n \".css\": \"text/css; charset=utf-8\",\n \".js\": \"text/javascript; charset=utf-8\",\n \".svg\": \"image/svg+xml\",\n};\n\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const { pathname } = url;\n try {\n // Static assets\n if (pathname === \"/\" || pathname === \"/index.html\") return asset(\"views/index.html\", \".html\");\n if (pathname === \"/style.css\") return asset(\"views/style.css\", \".css\");\n if (pathname === \"/app.js\") return asset(\"views/app.ts\", \".js\");\n if (pathname === \"/favicon.svg\") return new Response(FAVICON, { headers: { \"content-type\": \"image/svg+xml\" } });\n if (pathname === \"/og.svg\") return asset(\"views/og.svg\", \".svg\");\n if (pathname === \"/manifest.webmanifest\") return new Response(await readFile(\"views/manifest.webmanifest\"), { headers: { \"content-type\": \"application/manifest+json\" } });\n if (pathname === \"/sw.js\") return new Response(await readFile(\"views/sw.js\"), { headers: { \"content-type\": \"text/javascript\" } });\n if (pathname === \"/source\") return new Response(null, { status: 302, headers: { Location: parseVal().links.self.val } });\n\n // Launch a saved build full-screen at its own persistent URL (/p/:id).\n if (pathname.startsWith(\"/p/\")) {\n const id = Number(pathname.slice(3));\n const build = id ? await getBuild(id) : null;\n if (!build) return json({ error: \"Not found\" }, 404);\n return new Response(build.html, {\n headers: {\n \"content-type\": \"text/html; charset=utf-8\",\n // Generated code runs isolated: no same-origin privileges and no\n // outbound network — keeps every launched app self-contained.\n \"content-security-policy\":\n \"sandbox allow-scripts; default-src 'none'; script-src 'unsafe-inline'; style-src 'unsafe-inline'; img-src data:; font-src data:; object-src 'none'; base-uri 'none'\",\n },\n });\n }\n\n // API\n if (pathname === \"/api/meta\" && req.method === \"GET\") {\n return json({ providers: availableProviders() });\n }\n if (pathname === \"/api/history\" && req.method === \"GET\") {\n return json({ builds: await listBuilds() });\n }\n if (pathname === \"/api/history\" && req.method === \"DELETE\") {\n await clearBuilds();\n return json({ ok: true });\n }\n if (pathname === \"/api/build\" && req.method === \"POST\") {\n return handleBuild(req);\n }\n return json({ error: \"Not found\" }, 404);\n } catch (e) {\n console.error(e);\n return json({ error: String(e) }, 500);\n }\n}\n\nasync function asset(path: string, ext: string): Promise {\n return new Response(await readFile(path), { headers: { \"content-type\": MIME[ext] } });\n}\n\nfunction json(obj: unknown, status = 200): Response {\n return new Response(JSON.stringify(obj), {\n status,\n headers: { \"content-type\": \"application/json; charset=utf-8\" },\n });\n}\n\nfunction handleBuild(req: Request): Response {\n const stream = new ReadableStream({\n async start(controller) {\n const enc = new TextEncoder();\n const emit = (obj: unknown) => controller.enqueue(enc.encode(JSON.stringify(obj) + \"\\n\"));\n try {\n let body: any = {};\n try { body = await req.json(); } catch { /* ignore */ }\n const prompt = String(body.prompt || \"\").trim();\n const requested = String(body.provider || \"claude\");\n\n if (!prompt) { emit({ type: \"error\", message: \"No prompt supplied. Describe the app you want to build.\" }); return; }\n if (prompt.length > 5000) { emit({ type: \"error\", message: \"Prompt is too long (max 5000 characters).\" }); return; }\n\n const providers = availableProviders();\n const prov = providers.find((p) => p.id === requested) ?? providers[0];\n if (!prov || !prov.available) {\n emit({\n type: \"error\",\n message: `No API key configured for ${prov?.label ?? requested}. Add ${prov?.id === \"openai\" ? \"OPENAI_API_KEY\" : \"ANTHROPIC_API_KEY\"} in the val's environment variables, then try again.`,\n });\n return;\n }\n\n emit({ type: \"log\", stage: \"reading brief\", detail: `“${truncate(prompt, 70)}”` });\n const html = await generateApp({\n provider: prov.id,\n model: prov.model,\n prompt,\n onProgress: (p) => emit({ type: \"progress\", stage: p.stage, chars: p.chars, lines: p.lines }),\n });\n\n emit({ type: \"log\", stage: \"validating output\", detail: `${(html.length / 1024).toFixed(1)} KB received` });\n const problem = validateOutput(html);\n if (problem) {\n emit({ type: \"error\", message: `Build failed validation: ${problem} Your prompt is still here — hit Build to retry.` });\n return;\n }\n\n const saved = await saveBuild(prompt, html);\n emit({ type: \"log\", stage: \"finishing touches\", detail: \"saved to records\" });\n emit({ type: \"result\", id: saved.id, prompt, html });\n } catch (e) {\n console.error(e);\n emit({ type: \"error\", message: `Build failed: ${String(e)}` });\n } finally {\n controller.close();\n }\n },\n });\n return new Response(stream, {\n headers: {\n \"content-type\": \"application/x-ndjson; charset=utf-8\",\n \"cache-control\": \"no-cache\",\n \"x-accel-buffering\": \"no\",\n },\n });\n}\n\nfunction truncate(s: string, n: number): string {\n return s.length > n ? s.slice(0, n) + \"…\" : s;\n}\n\nconst FAVICON = ``;\n","deleted",false,"foundry","children",[],[57],"d1d2970f-dfd4-42ef-8de9-a78dc1b55f30",["D",1787129152304],0,"directory",[78,79,80,81,82,83],[52],{"_33":121,"_13":122,"_37":123,"_44":45,"_35":36,"_48":124,"_60":61,"_46":125,"_17":126,"_42":89,"_40":127,"_66":67,"_50":-5,"_69":128,"_18":129},{"_33":34,"_13":39,"_37":38,"_44":45,"_35":36,"_48":49,"_60":61,"_46":118,"_17":43,"_42":24,"_40":41,"_66":67,"_50":-5,"_69":119,"_18":120},{"_33":110,"_13":111,"_37":112,"_44":45,"_35":36,"_48":113,"_60":61,"_46":114,"_17":74,"_42":24,"_40":115,"_66":67,"_50":-5,"_69":116,"_18":117},{"_33":102,"_13":103,"_37":104,"_44":45,"_35":36,"_48":105,"_60":61,"_46":106,"_17":74,"_42":24,"_40":107,"_66":67,"_50":-5,"_69":108,"_18":109},{"_33":93,"_13":94,"_37":95,"_44":45,"_35":36,"_48":96,"_60":61,"_46":97,"_17":98,"_42":24,"_40":99,"_66":67,"_50":-5,"_69":100,"_18":101},{"_33":84,"_13":85,"_37":86,"_44":45,"_35":36,"_48":87,"_60":61,"_46":88,"_17":74,"_42":89,"_40":90,"_66":67,"_50":-5,"_69":91,"_18":92},"085e05a7-f51e-458b-af33-6bc4d9b77663","sw.js","941d9df8-9bab-11f1-94bf-1607ee4eb77e",26,["D",1787129665179],"script","// Foundry Epic service worker — makes the workshop installable (PWA) and\n// gives light offline support for the app shell (never API responses).\nconst CACHE = \"foundry-epic-v1\";\nconst SHELL = [\"/\", \"/style.css\", \"/app.js\", \"/favicon.svg\", \"/manifest.webmanifest\"];\n\nself.addEventListener(\"install\", (e) => {\n self.skipWaiting();\n e.waitUntil(\n caches.open(CACHE).then((c) => c.addAll(SHELL)).catch(() => {}),\n );\n});\n\nself.addEventListener(\"activate\", (e) => {\n e.waitUntil(\n caches.keys()\n .then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))\n .then(() => self.clients.claim()),\n );\n});\n\nself.addEventListener(\"fetch\", (e) => {\n const url = new URL(e.request.url);\n if (url.origin !== self.location.origin || e.request.method !== \"GET\") return;\n if (url.pathname.startsWith(\"/api/\")) return; // never cache API/build streams\n\n // Network-first with cache fallback (cached app shell is fine offline).\n e.respondWith(\n fetch(e.request)\n .then((res) => {\n const copy = res.clone();\n caches.open(CACHE).then((c) => c.put(e.request, copy)).catch(() => {});\n return res;\n })\n .catch(() => caches.match(e.request).then((m) => m || caches.match(\"/\"))),\n );\n});\n",[],[52,85],"8b796d34-bdc7-4bcf-aa9c-460adea20488","style.css","627277f2-9baa-11f1-8d0b-1607ee4eb77e",32,["D",1787129676489],2,"/* ---- Foundry design tokens ---- */\n:root {\n --ink: #12141B;\n --panel: #171A23;\n --panel-2: #1D212D;\n --panel-3: #232836;\n --line: #262B38;\n --line-2: #313749;\n --text: #E8E9EE;\n --muted: #9399AC;\n --dim: #5A6074;\n --amber: #E8A33D;\n --amber-soft: rgba(232, 163, 61, 0.14);\n --teal: #4FB0A5;\n --teal-soft: rgba(79, 176, 165, 0.13);\n --red: #E06C75;\n --red-soft: rgba(224, 108, 117, 0.14);\n --ok: #7FD0A8;\n --font-display: \"Space Grotesk\", ui-sans-serif, system-ui, sans-serif;\n --font-body: \"Inter\", ui-sans-serif, system-ui, -apple-system, sans-serif;\n --font-mono: \"JetBrains Mono\", ui-monospace, \"SF Mono\", Menlo, monospace;\n}\n\n* { box-sizing: border-box; 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align-items: center; gap: 18px; }\n\n.engine { display: flex; align-items: center; gap: 8px; }\n.engine-label {\n font-family: var(--font-mono);\n font-size: 10px;\n letter-spacing: 0.12em;\n text-transform: uppercase;\n color: var(--dim);\n}\n#provider {\n background: var(--panel-2);\n border: 1px solid var(--line-2);\n color: var(--text);\n font-family: var(--font-mono);\n font-size: 12px;\n padding: 6px 8px;\n border-radius: 6px;\n min-height: 32px;\n}\n\n.source-link {\n font-family: var(--font-mono);\n font-size: 11px;\n color: var(--muted);\n text-decoration: none;\n padding: 6px 10px;\n border: 1px solid var(--line-2);\n border-radius: 6px;\n}\n.source-link:hover { color: var(--amber); border-color: var(--amber); }\n\n/* ---- workspace grid ---- */\n.workspace {\n flex: 1;\n display: grid;\n grid-template-columns: 212px minmax(360px, 460px) 1fr;\n overflow: hidden;\n}\n\n/* ---- records sidebar ---- */\n.records {\n border-right: 1px solid var(--line);\n background: var(--panel);\n overflow-y: auto;\n display: flex;\n flex-direction: column;\n padding: 16px 12px 20px;\n}\n.records-head {\n display: flex;\n align-items: center;\n justify-content: space-between;\n margin-bottom: 12px;\n padding: 0 4px;\n}\n.records-title {\n font-family: var(--font-mono);\n font-size: 11px;\n font-weight: 500;\n letter-spacing: 0.14em;\n text-transform: uppercase;\n color: var(--dim);\n margin: 0;\n}\n.muted-btn {\n background: none;\n border: none;\n color: var(--dim);\n font-family: var(--font-mono);\n font-size: 11px;\n padding: 4px 6px;\n border-radius: 4px;\n}\n.muted-btn:hover { color: var(--red); }\n\n.record-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }\n.record {\n width: 100%;\n text-align: left;\n background: var(--panel-2);\n border: 1px solid var(--line);\n border-radius: 8px;\n padding: 10px 12px;\n color: var(--text);\n min-height: 48px;\n display: flex;\n flex-direction: column;\n gap: 4px;\n transition: border-color 0.15s ease, background 0.15s ease;\n}\n.record:hover { border-color: var(--line-2); background: var(--panel-3); }\n.record.active { border-color: var(--amber); background: var(--amber-soft); }\n.record-prompt {\n font-size: 12.5px;\n color: var(--text);\n line-height: 1.35;\n display: -webkit-box;\n -webkit-line-clamp: 2;\n -webkit-box-orient: vertical;\n overflow: hidden;\n}\n.record-time {\n font-family: var(--font-mono);\n font-size: 10px;\n color: var(--dim);\n text-transform: uppercase;\n letter-spacing: 0.06em;\n}\n\n.records-empty {\n color: var(--dim);\n font-size: 12.5px;\n line-height: 1.6;\n padding: 8px 6px;\n}\n.records-empty strong { color: var(--amber); font-weight: 600; }\n\n/* ---- workshop column ---- */\n.workshop {\n border-right: 1px solid var(--line);\n background: var(--panel-2);\n display: flex;\n flex-direction: column;\n overflow: hidden;\n}\n\n.prompt-panel {\n padding: 18px 18px 14px;\n border-bottom: 1px solid var(--line);\n display: flex;\n flex-direction: column;\n gap: 10px;\n flex: none;\n}\n\n.field-label {\n display: flex;\n align-items: baseline;\n justify-content: space-between;\n font-family: var(--font-mono);\n font-size: 11px;\n letter-spacing: 0.14em;\n text-transform: uppercase;\n color: var(--dim);\n}\n.char-count { font-size: 10px; letter-spacing: 0; color: var(--dim); }\n\n#prompt {\n width: 100%;\n resize: vertical;\n min-height: 120px;\n background: var(--ink);\n border: 1px solid var(--line-2);\n border-radius: 10px;\n padding: 12px 14px;\n color: var(--text);\n font-family: var(--font-body);\n font-size: 14px;\n line-height: 1.55;\n}\n#prompt::placeholder { color: var(--dim); }\n#prompt:focus { border-color: var(--amber); }\n\n.examples { display: flex; flex-direction: column; gap: 8px; }\n.examples-label {\n font-family: var(--font-mono);\n font-size: 10px;\n letter-spacing: 0.12em;\n text-transform: uppercase;\n color: var(--dim);\n}\n.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }\n.chip {\n background: var(--panel-3);\n border: 1px solid var(--line);\n color: var(--muted);\n font-family: var(--font-mono);\n font-size: 11px;\n padding: 8px 10px;\n border-radius: 999px;\n min-height: 32px;\n transition: color 0.15s ease, border-color 0.15s ease;\n}\n.chip:hover { color: var(--teal); border-color: var(--teal); }\n\n.build-btn {\n display: flex;\n align-items: center;\n justify-content: center;\n gap: 10px;\n width: 100%;\n min-height: 48px;\n margin-top: 4px;\n background: linear-gradient(180deg, var(--amber), #d68c24);\n border: none;\n border-radius: 10px;\n color: #151107;\n font-family: var(--font-display);\n font-weight: 700;\n font-size: 15px;\n letter-spacing: 0.02em;\n box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, 0 8px 20px -10px rgba(232,163,61,0.5);\n}\n.build-btn:disabled {\n opacity: 0.55;\n cursor: wait;\n}\n.build-btn:not(:disabled):hover { filter: brightness(1.06); }\n.build-glyph { width: 20px; height: 20px; }\n.build-btn:disabled .build-glyph { animation: spin 1.2s linear infinite; }\n@keyframes spin { to { transform: rotate(360deg); } }\n\n.build-hint {\n margin: 0;\n text-align: center;\n font-family: var(--font-mono);\n font-size: 10px;\n color: var(--dim);\n letter-spacing: 0.04em;\n}\n\n/* ---- console ---- */\n.console {\n flex: 1;\n min-height: 0;\n background: var(--ink);\n display: flex;\n flex-direction: column;\n border-top: 1px solid var(--line);\n}\n.console-head {\n display: flex;\n align-items: center;\n justify-content: space-between;\n padding: 8px 14px;\n border-bottom: 1px solid var(--line);\n background: var(--panel);\n}\n.console-title {\n font-family: var(--font-mono);\n font-size: 10px;\n letter-spacing: 0.14em;\n text-transform: uppercase;\n color: var(--dim);\n}\n.cursor { color: var(--amber); animation: blink 1s steps(1) infinite; }\n@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }\n\n.log {\n list-style: none;\n margin: 0;\n padding: 12px 14px;\n overflow-y: auto;\n display: flex;\n flex-direction: column;\n gap: 8px;\n font-family: var(--font-mono);\n font-size: 12px;\n}\n.log li {\n display: flex;\n align-items: baseline;\n gap: 10px;\n min-width: 0;\n}\n.log .t-time {\n color: var(--dim);\n font-size: 10px;\n flex: none;\n font-variant-numeric: tabular-nums;\n}\n.log .t-tag {\n flex: none;\n color: var(--teal);\n letter-spacing: 0.04em;\n}\n.log .t-tag::before { content: \"● \"; font-size: 9px; }\n.log .t-msg { color: var(--muted); word-break: break-word; }\n.log li.stage .t-msg { color: var(--text); }\n.log li.stage .t-tag { color: var(--amber); }\n.log li.stage .t-msg .tick::after { content: \"▌\"; color: var(--amber); animation: blink 1s steps(1) infinite; }\n.log li.ok .t-tag { color: var(--ok); }\n.log li.err .t-tag { color: var(--red); }\n.log li.err .t-msg { color: var(--red); }\n.log li.note { opacity: 0.6; }\n\n.error-banner {\n flex: none;\n margin: 0 14px 14px;\n border: 1px solid var(--red);\n background: var(--red-soft);\n color: var(--red);\n border-radius: 8px;\n padding: 10px 12px;\n font-family: var(--font-mono);\n font-size: 12px;\n display: flex;\n flex-direction: column;\n gap: 2px;\n}\n\n/* ---- preview ---- */\n.preview {\n background: var(--panel-2);\n display: flex;\n flex-direction: column;\n min-width: 0;\n}\n.preview-head {\n display: flex;\n align-items: center;\n justify-content: space-between;\n padding: 0 14px;\n height: 37px;\n border-bottom: 1px solid var(--line);\n flex: none;\n}\n.preview-title {\n font-family: var(--font-mono);\n font-size: 10px;\n letter-spacing: 0.14em;\n text-transform: uppercase;\n color: var(--dim);\n}\n.preview-meta {\n font-family: var(--font-mono);\n font-size: 11px;\n color: var(--teal);\n overflow: hidden;\n text-overflow: ellipsis;\n white-space: nowrap;\n min-width: 0;\n}\n.preview-tools {\n display: flex;\n align-items: center;\n gap: 8px;\n min-width: 0;\n justify-content: flex-end;\n}\n.tool-btn {\n flex: none;\n font-family: var(--font-mono);\n font-size: 11px;\n text-decoration: none;\n color: var(--muted);\n background: var(--panel-2);\n border: 1px solid var(--line-2);\n border-radius: 6px;\n padding: 6px 10px;\n min-height: 30px;\n}\n.tool-btn:hover:not(:disabled):not([aria-disabled=\"true\"]) { color: var(--amber); border-color: var(--amber); }\n.tool-btn:disabled, .tool-btn[aria-disabled=\"true\"] {\n opacity: 0.4;\n cursor: not-allowed;\n pointer-events: none;\n}\n.share-btn { color: var(--teal); border-color: var(--teal); }\n.share-btn:hover { color: var(--amber); border-color: var(--amber); }\n\n/* ---- toast ---- */\n.toast {\n position: fixed;\n left: 50%;\n bottom: 22px;\n transform: translateX(-50%) translateY(0);\n max-width: min(420px, calc(100vw - 32px));\n background: var(--panel-3);\n border: 1px solid var(--teal);\n color: var(--text);\n font-family: var(--font-mono);\n font-size: 12px;\n padding: 12px 16px;\n border-radius: 8px;\n box-shadow: 0 12px 32px -12px rgba(0, 0, 0, 0.7);\n z-index: 50;\n}\n.frame-wrap { position: relative; flex: 1; min-height: 0; background: #0d0f14; }\n.sandbox {\n width: 100%;\n height: 100%;\n border: none;\n display: block;\n background: #fff;\n}\n\n.preview-empty {\n position: absolute;\n inset: 0;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n text-align: center;\n gap: 6px;\n color: var(--dim);\n padding: 24px;\n background:\n radial-gradient(circle at 50% 40%, rgba(79,176,165,0.06), transparent 60%),\n #0d0f14;\n}\n.empty-glyph { width: 44px; height: 44px; margin-bottom: 6px; }\n.preview-empty p { margin: 0; font-family: var(--font-body); font-size: 13px; }\n.empty-sub { opacity: 0.8; }\n.preview-empty strong { color: var(--amber); font-weight: 600; }\n.preview-empty.hidden { display: none; }\n\n/* ---- responsive ---- */\n@media (max-width: 1080px) {\n .workspace { grid-template-columns: 180px minmax(330px, 1fr) 1fr; }\n}\n@media (max-width: 920px) {\n .workspace {\n grid-template-columns: 1fr;\n grid-template-rows: auto 1fr 1fr;\n overflow-y: auto;\n height: auto;\n }\n .app { height: 100%; min-height: 100vh; }\n .records { border-right: none; border-bottom: 1px solid var(--line); flex-direction: row; align-items: flex-start; flex-wrap: wrap; }\n .record-list { flex-direction: row; flex-wrap: wrap; }\n .record { width: auto; flex: 1 1 200px; }\n .workshop { border-right: none; border-bottom: 1px solid var(--line); }\n .console { min-height: 220px; }\n .preview { min-height: 480px; }\n .frame-wrap { min-height: 440px; }\n .topbar { flex-wrap: wrap; height: auto; padding: 10px 14px; gap: 8px; }\n}\n\n@media (max-width: 560px) {\n .chip { flex: 1 1 auto; }\n .brand-sub { display: none; }\n}\n\n@media (prefers-reduced-motion: no-preference) {\n .record, .chip, .build-btn, .source-link { transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, filter 0.15s ease; }\n}\n@media (prefers-reduced-motion: reduce) {\n .cursor, .log li.stage .t-msg .tick::after, .build-btn:disabled .build-glyph { animation: none; }\n * { scroll-behavior: auto !important; }\n}\n",[],[52,94],"723cb1f5-4895-4ef8-acbd-5d7d59d350f9","og.svg","940ffca2-9bab-11f1-94bf-1607ee4eb77e",24,["D",1787129665087],"\n\n",[],[52,103],"34441609-86e6-4b7f-90cd-818c26664522","manifest.webmanifest","941775a4-9bab-11f1-94bf-1607ee4eb77e",25,["D",1787129665139],"{\n \"name\": \"Foundry Epic\",\n \"short_name\": \"Foundry Epic\",\n \"description\": \"AI app workshop — describe an app in English, watch it build live, preview, and launch it.\",\n \"start_url\": \"/\",\n \"scope\": \"/\",\n \"display\": \"standalone\",\n \"orientation\": \"any\",\n \"background_color\": \"#12141B\",\n \"theme_color\": \"#12141B\",\n \"icons\": [\n {\n \"src\": \"/favicon.svg\",\n \"sizes\": \"any\",\n \"type\": \"image/svg+xml\",\n \"purpose\": \"any\"\n }\n ]\n}\n",[],[52,111],["D",1787129671209],[],[52,39],"6cc0831c-b6ac-4121-a230-69e6750e8b83","app.ts","6277971e-9baa-11f1-8d0b-1607ee4eb77e",34,["D",1787129681965],8,"// Foundry client — drives the workshop console, preview, and records.\n\nconst $ = (id: string): T => document.getElementById(id) as T;\n\nconst promptEl = $(\"prompt\");\nconst providerEl = $(\"provider\");\nconst buildBtn = $(\"build\");\nconst buildLabel = $(\"buildLabel\");\nconst logEl = $(\"log\");\nconst preview = $(\"preview\");\nconst previewEmpty = $(\"previewEmpty\");\nconst previewMeta = $(\"previewMeta\");\nconst recordList = $(\"recordList\");\nconst recordsEmpty = $(\"recordsEmpty\");\nconst clearBtn = $(\"clearRecords\");\nconst errorBanner = $(\"errorBanner\");\nconst errorText = $(\"errorText\");\nconst charCount = $(\"charCount\");\nconst launchBtn = $(\"launchBtn\");\nconst downloadBtn = $(\"downloadBtn\");\nconst shareBtn = $(\"shareBtn\");\nconst toastEl = $(\"toast\");\n\ntype Provider = { id: string; label: string; model: string; available: boolean };\ntype Build = { id: number; prompt: string; html: string; created_at: number };\n\nlet records: Build[] = [];\nlet busy = false;\nlet activeId: number | null = null;\nlet currentBuild: Build | null = null;\nconst stageEls: Record = {};\n\nfunction setLaunchState(b: Build | null): void {\n currentBuild = b;\n const ready = !!b;\n if (ready) {\n launchBtn.href = `/p/${b.id}`;\n launchBtn.removeAttribute(\"aria-disabled\");\n launchBtn.tabIndex = 0;\n downloadBtn.disabled = false;\n } else {\n launchBtn.href = \"#\";\n launchBtn.setAttribute(\"aria-disabled\", \"true\");\n launchBtn.tabIndex = -1;\n downloadBtn.disabled = true;\n }\n}\n\nfunction downloadCurrent(): void {\n if (!currentBuild) return;\n const blob = new Blob([currentBuild.html], { type: \"text/html;charset=utf-8\" });\n const url = URL.createObjectURL(blob);\n const a = document.createElement(\"a\");\n a.href = url;\n a.download = `foundry-${currentBuild.id}.html`;\n document.body.appendChild(a);\n a.click();\n a.remove();\n URL.revokeObjectURL(url);\n}\n\nconst EXEMPLARS: Array<{ label: string; text: string }> = [\n { label: \"focus timer\", text: \"A pomodoro timer that tracks daily focus time, lets you set work and break lengths, and logs a history of finished sessions with a running total.\" },\n { label: \"memory game\", text: \"A memory-match card game where you flip tiles to find pairs in the fewest moves, with a timer, a moves counter, a win screen, and a new-game shuffle.\" },\n { label: \"habit tracker\", text: \"A habit tracker with check-in toggles for each day of the week, a streak counter per habit, and a compact weekly progress bar.\" },\n { label: \"password mint\", text: \"A password generator with toggles for length and character types, a live strength meter, and a one-click copy button.\" },\n { label: \"ledger\", text: \"A simple income-and-expense ledger that sums rows in real time, shows a running balance, and can flag an overdraft in red.\" },\n];\n\n// ---- init ---------------------------------------------------------------\n\nasync function init(): Promise {\n populateProviders();\n renderExemplars();\n promptEl.addEventListener(\"input\", () => {\n charCount.textContent = String(promptEl.value.length);\n });\n\n buildBtn.addEventListener(\"click\", runBuild);\n promptEl.addEventListener(\"keydown\", (e) => {\n if ((e.metaKey || e.ctrlKey) && e.key === \"Enter\") runBuild();\n });\n clearBtn.addEventListener(\"click\", clearRecords);\n downloadBtn.addEventListener(\"click\", downloadCurrent);\n shareBtn.addEventListener(\"click\", shareFoundry);\n setLaunchState(null);\n registerSW();\n\n await loadRecords();\n}\n\nconst SHARE_TEXT = \"Foundry Epic — describe an app in plain English, watch it build live, preview it, and launch it.\";\n\nfunction notify(msg: string): void {\n toastEl.textContent = msg;\n toastEl.hidden = false;\n clearTimeout((notify as any)._t);\n (notify as any)._t = setTimeout(() => {\n toastEl.hidden = true;\n }, 2600);\n}\n\nasync function shareFoundry(): Promise {\n const url = location.origin + \"/\";\n if (navigator.share) {\n try {\n await navigator.share({ title: \"Foundry Epic\", text: SHARE_TEXT, url });\n return;\n } catch (e) {\n if (/abort|dismiss/i.test(String(e))) return; // user closed the sheet\n }\n }\n // Fallback for desktop / non-supporting browsers: copy the link.\n try {\n await navigator.clipboard.writeText(`${SHARE_TEXT} ${url}`);\n notify(\"Link copied — paste it anywhere.\");\n } catch {\n notify(url);\n }\n}\n\nfunction registerSW(): void {\n if (\"serviceWorker\" in navigator) {\n navigator.serviceWorker.register(\"/sw.js\").catch(() => {});\n }\n}\n\nfunction populateProviders(): void {\n const meta = { providers: [] as Provider[] };\n // fetched synchronously below\n void fetch(\"/api/meta\")\n .then((r) => r.json())\n .then((m) => {\n const provs: Provider[] = m.providers ?? [];\n providerEl.innerHTML = \"\";\n let firstAvailable: string | null = null;\n for (const p of provs) {\n const opt = document.createElement(\"option\");\n opt.value = p.id;\n opt.textContent = p.available ? `${p.label} · ${p.model}` : `${p.label} · needs a key`;\n if (p.available && !firstAvailable) firstAvailable = p.id;\n providerEl.appendChild(opt);\n }\n if (firstAvailable) providerEl.value = firstAvailable;\n else if (provs.length === 0) {\n const opt = document.createElement(\"option\");\n opt.value = \"claude\";\n opt.textContent = \"Claude\";\n providerEl.appendChild(opt);\n }\n });\n}\n\nfunction renderExemplars(): void {\n const row = document.querySelector(\".chip-row\")!;\n for (const ex of EXEMPLARS) {\n const b = document.createElement(\"button\");\n b.type = \"button\";\n b.className = \"chip\";\n b.textContent = ex.label;\n b.setAttribute(\"aria-label\", `Use example prompt: ${ex.text}`);\n b.addEventListener(\"click\", () => {\n promptEl.value = ex.text;\n charCount.textContent = String(ex.text.length);\n promptEl.focus();\n });\n row.appendChild(b);\n }\n}\n\n// ---- records ------------------------------------------------------------\n\nasync function loadRecords(): Promise {\n try {\n const r = await fetch(\"/api/history\");\n const data = await r.json();\n records = (data.builds ?? []).map((b: Build) => b);\n renderRecords();\n } catch (e) {\n addLogEntry(\"note\", \"records\", `couldn't load history (${String(e)})`);\n }\n}\n\nfunction renderRecords(): void {\n recordList.innerHTML = \"\";\n recordsEmpty.hidden = records.length > 0;\n for (const b of records) {\n const li = document.createElement(\"li\");\n const btn = document.createElement(\"button\");\n btn.type = \"button\";\n btn.className = \"record\" + (b.id === activeId ? \" active\" : \"\");\n btn.addEventListener(\"click\", () => openRecord(b, btn));\n const time = new Date(b.created_at).toLocaleTimeString([], { hour: \"2-digit\", minute: \"2-digit\" });\n btn.innerHTML = \"\";\n const p = document.createElement(\"span\");\n p.className = \"record-prompt\";\n p.textContent = b.prompt.length > 90 ? b.prompt.slice(0, 90) + \"…\" : b.prompt;\n const t = document.createElement(\"span\");\n t.className = \"record-time\";\n t.textContent = time;\n btn.append(p, t);\n li.appendChild(btn);\n recordList.appendChild(li);\n }\n}\n\nfunction openRecord(b: Build, el: HTMLButtonElement): void {\n activeId = b.id;\n preview.srcdoc = b.html;\n previewEmpty.classList.add(\"hidden\");\n previewMeta.textContent = b.prompt.length > 60 ? b.prompt.slice(0, 60) + \"…\" : b.prompt;\n document.querySelectorAll(\".record\").forEach((n) => n.classList.remove(\"active\"));\n el.classList.add(\"active\");\n setLaunchState(b);\n}\n\nasync function clearRecords(): Promise {\n if (records.length === 0) return;\n await fetch(\"/api/history\", { method: \"DELETE\" });\n records = [];\n renderRecords();\n}\n\n// ---- console ------------------------------------------------------------\n\nfunction ts(): string {\n return new Date().toLocaleTimeString([], { hour12: false, hour: \"2-digit\", minute: \"2-digit\", second: \"2-digit\" });\n}\n\nfunction addLogEntry(kind: \"stage\" | \"ok\" | \"err\" | \"note\", tag: string, msg: string): HTMLLIElement {\n const li = document.createElement(\"li\");\n li.className = kind;\n const time = document.createElement(\"span\");\n time.className = \"t-time\";\n time.textContent = ts();\n const tagEl = document.createElement(\"span\");\n tagEl.className = \"t-tag\";\n tagEl.textContent = tag;\n const msgEl = document.createElement(\"span\");\n msgEl.className = \"t-msg\";\n msgEl.textContent = msg;\n li.append(time, tagEl, msgEl);\n logEl.appendChild(li);\n logEl.scrollTop = logEl.scrollHeight;\n return li;\n}\n\nfunction updateStage(stage: string, chars: number, lines: number): void {\n let li = stageEls[stage];\n const msg = `streaming ${chars.toLocaleString()} chars · ${lines} lines`;\n if (!li) {\n li = addLogEntry(\"stage\", stage, \"\");\n stageEls[stage] = li;\n }\n li.querySelector(\".t-msg\")!.innerHTML = msg;\n logEl.scrollTop = logEl.scrollHeight;\n}\n\nfunction handleEvent(ev: any): void {\n switch (ev?.type) {\n case \"log\":\n addLogEntry(\"note\", ev.stage ?? \"engine\", ev.detail ?? \"\");\n break;\n case \"progress\":\n updateStage(ev.stage, Number(ev.chars) || 0, Number(ev.lines) || 0);\n break;\n case \"result\": {\n for (const k of Object.keys(stageEls)) stageEls[k].classList.add(\"ok\");\n addLogEntry(\"ok\", \"built\", `ready — opened in preview.`);\n activeId = ev.id ?? null;\n preview.srcdoc = ev.html;\n previewEmpty.classList.add(\"hidden\");\n previewMeta.textContent = (ev.prompt ?? \"\").slice(0, 60) + \"…\";\n // move to front of local records + save\n records = [\n { id: ev.id, prompt: ev.prompt, html: ev.html, created_at: Date.now() },\n ...records.filter((r) => r.id !== ev.id),\n ];\n renderRecords();\n setLaunchState(records[0]);\n break;\n }\n case \"error\":\n addLogEntry(\"err\", \"error\", ev.message ?? \"Unknown error\");\n errorText.textContent = ev.message ?? \"Unknown error\";\n errorBanner.hidden = false;\n break;\n }\n}\n\nfunction resetConsole(): void {\n logEl.innerHTML = \"\";\n for (const k of Object.keys(stageEls)) delete stageEls[k];\n errorBanner.hidden = true;\n addLogEntry(\"note\", \"session\", `started · engine ${providerEl.value}`);\n}\n\n// ---- build --------------------------------------------------------------\n\nasync function runBuild(): Promise {\n if (busy) return;\n const prompt = promptEl.value.trim();\n if (!prompt) {\n errorText.textContent = \"Enter a prompt describing the app you want to build first.\";\n errorBanner.hidden = false;\n promptEl.focus();\n return;\n }\n busy = true;\n buildBtn.disabled = true;\n buildLabel.textContent = \"Forging…\";\n errorBanner.hidden = true;\n resetConsole();\n\n try {\n const res = await fetch(\"/api/build\", {\n method: \"POST\",\n headers: { \"content-type\": \"application/json\" },\n body: JSON.stringify({ prompt, provider: providerEl.value }),\n });\n if (!res.ok || !res.body) {\n addLogEntry(\"err\", \"error\", `Request failed (HTTP ${res.status}). Try again.`);\n return;\n }\n const reader = res.body.getReader();\n const dec = new TextDecoder();\n let buf = \"\";\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n buf += dec.decode(value, { stream: true });\n let i: number;\n while ((i = buf.indexOf(\"\\n\")) >= 0) {\n const line = buf.slice(0, i);\n buf = buf.slice(i + 1);\n if (line.trim()) {\n try {\n handleEvent(JSON.parse(line));\n } catch { /* skip partial */ }\n }\n }\n }\n } catch (e) {\n addLogEntry(\"err\", \"error\", `Connection error: ${String(e)}`);\n errorText.textContent = `Connection error: ${String(e)}`;\n errorBanner.hidden = false;\n } finally {\n busy = false;\n buildBtn.disabled = false;\n buildLabel.textContent = \"Build app\";\n }\n}\n\nvoid init();\n",[],[52,122],"08bd9ba8-fe3c-46b0-b5db-6a737b8f9cff","lib","4ff44d5b-fd11-4a12-a0d1-08cf71d5f9b1",["D",1787129107718],[136,137,138],[131],{"_33":154,"_13":155,"_37":156,"_44":132,"_35":36,"_48":157,"_60":61,"_46":158,"_17":159,"_42":89,"_40":160,"_66":67,"_50":-5,"_69":161,"_18":162},{"_33":146,"_13":147,"_37":148,"_44":132,"_35":36,"_48":149,"_60":61,"_46":150,"_17":74,"_42":89,"_40":151,"_66":67,"_50":-5,"_69":152,"_18":153},{"_33":139,"_13":140,"_37":141,"_44":132,"_35":36,"_48":98,"_60":61,"_46":142,"_17":74,"_42":89,"_40":143,"_66":67,"_50":-5,"_69":144,"_18":145},"495c7788-2e14-48b9-a83d-10e854b469c9","prompt.ts","47d7d356-9baa-11f1-af80-1607ee4eb77e",["D",1787129107718],"// Shared prompt template, output validation, and build-stage mapping.\n\nexport const SYSTEM_PROMPT = `You are Foundry, an expert front-end engineer. You transform a plain-English brief into a single, complete, self-contained HTML file for a polished, interactive web app.\n\nProduce a complete document. Every build MUST satisfy all of the following:\n\n1. FULLY FUNCTIONAL ON LOAD. Real, working interactivity — no mockups, no dead buttons, no \"--\" placeholder values, no unimplemented features. If it's a counter it counts; if it's a game it plays; if it's a tracker it tracks.\n2. SELF-CONTAINED single HTML file. All CSS and JS inline in