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STRATA-FIT

EULAR Big Data & AI Study Group · 18 September 2026, 17:00 CEST

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On screen now

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We are showing a federated analysis dashboard running on vantage6 across six rheumatology centres. Tell us what you would need from it — or what you think is wrong with it. Everything lands on our screen while we talk.

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Free text only — please don't paste patient data. Your note is visible to everyone on this page. Notes stay on the STRATA-FIT board for this session. Leave the name fields empty to stay anonymous.

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On the board

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Press +1 on anything you agree with — it moves that note up our list.

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\n Passcode\n

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The PRESENTER_TOKEN from the server environment. It is checked on the server and never appears in this page.

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0notes

0last 5 min

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0concerns

0collab offers

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Question on the audience screen

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\n \n Download JSON\n Download markdown\n

Pull \"Download JSON\" whenever you want a read on the room — paste it into a Claude chat with the summary prompt to get themes, objections and who to follow up with.

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Raw notes

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STRATA-FIT · the room is saying

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Question on screen

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\n\n\n\n\n",[],[206],"a094953a-037c-4b8d-8ff2-af2cfbff0ea3","http.ts",25,["D",1789582241541],"http","// http.ts — the val's HTTP entry point. Same routes as server.js\n// (minus /api/agent, which we dropped along with the summaries),\n// rebuilt on Web-standard Request/Response instead of Node's http\n// module, and on db.ts instead of in-memory state.\n\nimport { readFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\nimport * as db from \"./db.ts\";\nimport { toMarkdown } from \"./markdown.ts\";\n\nconst KINDS = [\"idea\", \"usecase\", \"concern\", \"question\", \"offer\"];\nconst TOKEN = Deno.env.get(\"PRESENTER_TOKEN\") || \"\";\nconst MAX_NOTES = 1000;\n\nfunction json(body: unknown, status = 200): Response {\n return new Response(JSON.stringify(body), {\n status,\n headers: {\n \"content-type\": \"application/json; charset=utf-8\",\n \"cache-control\": \"no-store\",\n \"x-content-type-options\": \"nosniff\",\n \"referrer-policy\": \"no-referrer\",\n },\n });\n}\n\n// Same-length, full-scan comparison — not exploitably timing-sensitive\n// at this traffic scale, and avoids pulling in Node's crypto module.\nfunction sameToken(given: unknown): boolean {\n if (!TOKEN || typeof given !== \"string\" || given.length !== TOKEN.length) {\n return false;\n }\n let diff = 0;\n for (let i = 0; i < TOKEN.length; i++) {\n diff |= given.charCodeAt(i) ^ TOKEN.charCodeAt(i);\n }\n return diff === 0;\n}\n\nfunction clientIp(req: Request): string {\n return (\n req.headers.get(\"x-forwarded-for\")?.split(\",\")[0].trim() ||\n req.headers.get(\"cf-connecting-ip\") ||\n \"unknown\"\n );\n}\n\nasync function readJson(req: Request): Promise {\n try {\n return await req.json();\n } catch {\n return {};\n }\n}\n\nexport default async function (req: Request): Promise {\n if (!TOKEN) {\n return json({ error: \"PRESENTER_TOKEN is not set on this val\" }, 500);\n }\n\n const url = new URL(req.url);\n const ip = clientIp(req);\n\n if (\n req.method === \"GET\" &&\n (url.pathname === \"/\" || url.pathname === \"/index.html\")\n ) {\n const html = await readFile(\"index.html\", import.meta.url);\n return new Response(html, {\n headers: {\n \"content-type\": \"text/html; charset=utf-8\",\n \"cache-control\": \"no-store\",\n },\n });\n }\n\n if (req.method === \"GET\" && url.pathname === \"/api/state\") {\n await db.touchPresence(ip);\n const since = Number(url.searchParams.get(\"since\") || 0);\n const [notes, votes, seq, online, total, prompt] = await Promise.all([\n db.notesSince(since),\n db.votesUpTo(since),\n db.maxSeq(),\n db.onlineCount(),\n db.totalCount(),\n db.getPrompt(),\n ]);\n return json({ notes, votes, seq, prompt, online, total });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/api/notes\") {\n const okToPost = await db.checkRate(ip, 2500);\n if (!okToPost) {\n return json({ error: \"One at a time — try again in a moment.\" }, 429);\n }\n if ((await db.totalCount()) >= MAX_NOTES) {\n return json({ error: \"The board is full.\" }, 507);\n }\n\n const b = await readJson(req);\n const text = String(b.text || \"\").trim().slice(0, 600);\n if (text.length < 3) {\n return json({ error: \"Add a line of text first.\" }, 400);\n }\n\n const n = await db.addNote({\n id: crypto.randomUUID().slice(0, 8),\n t: Date.now(),\n kind: KINDS.includes(b.kind) ? b.kind : \"idea\",\n text,\n name: String(b.name || \"\").trim().slice(0, 40),\n centre: String(b.centre || \"\").trim().slice(0, 60),\n });\n return json({ ok: true, id: n.id });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/api/vote\") {\n const b = await readJson(req);\n const votes = await db.castVote(String(b.id || \"\"), ip);\n if (votes === null) return json({ error: \"no such note\" }, 404);\n return json({ ok: true, votes });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/api/unlock\") {\n const b = await readJson(req);\n return sameToken(b.token)\n ? json({ ok: true })\n : json({ error: \"wrong passcode\" }, 403);\n }\n\n if (req.method === \"POST\" && url.pathname === \"/api/prompt\") {\n const b = await readJson(req);\n if (!sameToken(b.token)) return json({ error: \"wrong passcode\" }, 403);\n const prompt = await db.setPrompt(\n String(b.text || \"\").trim().slice(0, 200),\n );\n return json({ ok: true, prompt });\n }\n\n if (req.method === \"GET\" && url.pathname === \"/api/export\") {\n if (!sameToken(url.searchParams.get(\"token\"))) {\n return json({ error: \"wrong passcode\" }, 403);\n }\n const notes = await db.allNotes();\n if (url.searchParams.get(\"format\") === \"md\") {\n return new Response(toMarkdown(notes), {\n headers: {\n \"content-type\": \"text/markdown; charset=utf-8\",\n \"cache-control\": \"no-store\",\n },\n });\n }\n return json({\n session: \"EULAR Big Data & AI Study Group, 18 September 2026\",\n exported: new Date().toISOString(),\n notes: notes.map((n) => ({\n at: new Date(n.t).toISOString(),\n kind: n.kind,\n votes: n.votes,\n text: n.text,\n name: n.name,\n centre: n.centre,\n })),\n });\n }\n\n return json({ error: \"not found\" }, 404);\n}\n",[],[214],["D",1789583127113],[],[18],["D",1789580405959],["D",1789582272237],{"_11":12,"_149":72},{"_11":12,"_144":145,"_71":72,"_30":70,"_146":147,"_148":24},{"_41":90,"_13":16,"_35":38,"_136":97,"_137":-5,"_138":-5,"_139":-5,"_140":-5,"_141":-5,"_142":14,"_143":12},"ctx",{"_54":-5,"_168":262,"_263":264,"_265":266,"_267":24,"_268":24,"_269":24,"_270":110,"_271":-5,"_272":-7,"_273":-7,"_274":26,"_275":24,"_276":24,"_277":-5,"_278":24,"_279":24,"_280":24,"_281":-5},"ENV",{"_233":234,"_235":236,"_237":16,"_238":239,"_240":241,"_242":243,"_244":245,"_246":247,"_248":249,"_250":251,"_252":253,"_254":255,"_256":257,"_258":259,"_260":261},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","c73f21da490985bff19c279eb0e09db24d688e4f","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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