بوابة OpenAI — محرك Val Town الأصلي

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}\n}\n@media (max-width: 480px) {\n .layout { padding: 12px; }\n .site-header { padding: 12px; }\n .brand-text h1 { font-size: 17px; }\n}\n","deleted",false,"label",[56,35],"public",{"_33":129,"_13":130,"_36":131,"_38":-5,"_40":41,"_42":48,"_44":45,"_46":132,"_17":88,"_49":97,"_50":-5,"_52":53,"_54":-5,"_70":133,"_18":134},{"_33":100,"_13":56,"_36":39,"_38":-5,"_40":41,"_42":101,"_44":45,"_46":102,"_17":88,"_49":97,"_50":-5,"_52":53,"_54":-5,"_70":103,"_18":104},{"_33":92,"_13":93,"_36":94,"_38":-5,"_40":41,"_42":95,"_44":45,"_46":96,"_17":88,"_49":97,"_50":-5,"_52":53,"_54":-5,"_70":98,"_18":99},{"_33":83,"_13":84,"_36":85,"_38":-5,"_40":41,"_42":86,"_44":45,"_46":87,"_17":88,"_49":24,"_50":89,"_52":53,"_54":-5,"_70":90,"_18":91},{"_33":73,"_13":74,"_36":75,"_38":-5,"_40":41,"_42":76,"_44":45,"_46":77,"_17":48,"_49":78,"_50":79,"_52":53,"_54":80,"_70":81,"_18":82},{"_33":63,"_13":64,"_36":65,"_38":-5,"_40":41,"_42":66,"_44":45,"_46":67,"_17":68,"_49":24,"_50":69,"_52":53,"_54":-5,"_70":71,"_18":72},"13f84f84-394d-4a64-b360-efcfdfe54539","worklog.md","c9f16d1c-a6e9-11f1-8b7e-1607ee4eb77e",13,["D",1788366028592],1,"# Worklog — OpenAI-Compatible Gateway\n\nNative engine: **Val Town `std/openai`** (ValTownOpenAI proxy, ambient `valtown` token, no external key).\n\n| # | Stage | Status |\n|---|-------|--------|\n| | Environment discovery (native AI, no keys) | ✅ `std/openai` found (`ValTownOpenAI`) |\n| 1 | Generated gateway key, stored `PROVIDER_API_KEY` | ✅ `sk-q7X2mN9vTzQ4rL8pKc3eF6sUa1dB5hYw` |\n| 2 | `lib/bridge.ts` — bridge, sanitizer, clamp, auto-heal, SSE | ✅ |\n| 3 | `main.ts` http router (`/api/provider/v1/*`, config, /health, assets) | ✅ |\n| 4 | Frontend RTL `/` (playground, info, snippets, usage) | ✅ |\n| 5 | curl / fetch — 401 on missing key | ✅ verified |\n| 6 | curl / fetch — 200 + SSE streaming (`data:` → `[DONE]`) | ✅ verified |\n| 7 | Non-streaming 200 + usage | ✅ verified |\n| 8 | Endpoints: `/health`, `/models`, `/config`, `/`, `/app.ts` | ✅ verified |\n| 9 | Subdomain `openai-gateway-city.val.run` | ✅ |\n\n## Verification evidence\n- `GET /health` → `{\"status\":\"ok\",\"service\":\"internal-bridge\"}`\n- `GET /api/provider/v1/models` → OpenAI `object:\"list\"`, `id:\"gpt-5.4-nano\"`\n- `POST /v1/chat/completions` without key → **401** (OpenAI error shape)\n- `POST` with key + `stream:true` → **200** `Content-Type: text/event-stream`, token-by-token `data: {...}` chunks ending `data: [DONE]`\n- `POST` with key + `stream:false` → **200** `{\"content\":\"نعم\",\"usage\":{...}}`\n- `/` serves `lang=\"ar\" dir=\"rtl\"` HTML; `/app.ts` transpiles to `text/javascript`\n","children",[],[64],"af6f56dd-9f96-4384-85bf-726dc62502d3","main.ts","aeb5b076-a6e9-11f1-8b7e-1607ee4eb77e",8,["D",1788365914409],"http","/**\n * main.ts (http) — Router entrypoint for the OpenAI-compatible gateway.\n *\n * Mounts the internal-provider bridge under /api/provider/v1, serves the\n * RTL frontend, static assets, and the service config endpoint.\n */\nimport { serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { handleApi, config } from \"./lib/bridge.ts\";\n\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const p = url.pathname;\n\n // Public config consumed by the UI (model + generated key).\n if (p === \"/api/provider/config\") {\n return Response.json(await config());\n }\n\n // Service health (open, no auth).\n if (p === \"/health\") {\n return Response.json({ status: \"ok\", service: \"internal-bridge\" });\n }\n\n // The OpenAI-compatible gateway (mounted at /api/provider/v1).\n if (p === \"/api/provider/v1\" || p.startsWith(\"/api/provider/v1/\")) {\n const sub = p === \"/api/provider/v1\" ? \"/\" : p.slice(\"/api/provider/v1\".length);\n return handleApi(req, sub);\n }\n\n // Frontend + assets.\n if (p === \"/\") return serveFile(\"/public/index.html\");\n if (p === \"/styles.css\") return serveFile(\"/public/styles.css\");\n if (p === \"/app.ts\") return serveFile(\"/public/app.ts\");\n\n return new Response(\"Not found\", { status: 404 });\n}\n","openai-gateway-city",[],[74],"176b522f-1a0f-4166-988f-f7371feec9a5","README.md","e7f75c0e-a6e9-11f1-9ab5-1607ee4eb77e",7,["D",1788365897439],0,"# OpenAI-Compatible Gateway on Val Town\n\nA production-ready **OpenAI-compatible API gateway** whose upstream engine is\n**Val Town's native AI** (`std/openai` → the ValTownOpenAI proxy, authenticated\nby the ambient `valtown` token). **No external API key required** — Cline, Roo\nCode, Cursor, the Python OpenAI SDK, or cURL can all connect to this gateway\nand chat through real SSE streaming.\n\n## Quick start\n\n- **Base URL:** `{origin}/api/provider/v1`\n- **Model:** `gpt-5.4-nano` (Val Town native)\n- **API Key:** shown in the UI (stored server-side in `PROVIDER_API_KEY`)\n\n### Cline / Roo Code / Cursor (OpenAI-compatible provider)\n\n```\nbaseUrl = {origin}/api/provider/v1\napiKey = \nmodelId = gpt-5.4-nano\n```\n\n### cURL\n\n```bash\ncurl {origin}/api/provider/v1/chat/completions \\\n -H \"Authorization: Bearer \" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"model\":\"gpt-5.4-nano\",\"stream\":true,\n \"messages\":[{\"role\":\"user\",\"content\":\"مرحباً\"}]}'\n```\n\n## Endpoints\n\n| Method | Path | Auth | Description |\n|--------|------|------|-------------|\n| GET | `/health` | no | `{status:\"ok\", service:\"internal-bridge\"}` |\n| GET | `/api/provider/v1` | no | Service info & limits |\n| GET | `/api/provider/v1/models` | no | Active model, OpenAI format |\n| POST | `/api/provider/v1/chat/completions` | **yes** | Chat (SSE or non-streaming) |\n| GET | `/api/provider/config` | no | `{model, apiKey, keyRequired}` for the UI |\n\n## Architecture\n\n- `main.ts` (http) — router: mounts the gateway under `/api/provider/v1`,\n serves the RTL frontend and assets.\n- `lib/bridge.ts` (script) — the internal provider bridge: `sanitizeMessages`\n (never throws), `max_tokens` clamping, auto-healing singleton that re-reads\n platform credentials, and real SSE streaming via the OpenAI SDK.\n- `public/` — Arabic RTL UI (playground, connection info, integration\n snippets, activity/usage).\n\n## Environment variables\n\n- `PROVIDER_API_KEY` — the gateway bearer key (required on chat completions).\n- `PROVIDER_MODEL` — optional, overrides the default `gpt-5.4-nano`.\n\n## Notes & limits\n\n- Native engine rate limit: ~10 requests/minute (Val Town proxy).\n- Pro users get 10 expensive-model requests per rolling 24h, then bump to nano.\n- `max_tokens` is auto-clamped to the engine ceiling to avoid upstream errors.\n",[],[84],"6f16390d-fc45-4fe5-b99c-552fa840465c","scripts","0bbfaac7-0d86-4181-bfce-759b958dfb7a",24,["D",1788367750585],"directory",[],[93],"16e6fe0e-8f62-479a-a6d3-e2c6ec070892",5,["D",1788365874885],[105,106,107],[56],{"_33":119,"_13":120,"_36":121,"_38":39,"_40":41,"_42":122,"_44":45,"_46":123,"_17":124,"_49":125,"_50":126,"_52":53,"_54":-5,"_70":127,"_18":128},{"_33":111,"_13":112,"_36":113,"_38":39,"_40":41,"_42":114,"_44":45,"_46":115,"_17":86,"_49":24,"_50":116,"_52":53,"_54":-5,"_70":117,"_18":118},{"_33":34,"_13":35,"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":108,"_17":48,"_49":24,"_50":51,"_52":53,"_54":-5,"_70":109,"_18":110},["D",1788365914540],[],[56,35],"39f927d4-80ee-4c2b-a11c-ca08bc1e24a8","index.html","da863176-a6e9-11f1-bcd2-1607ee4eb77e",42,["D",1788368708108],"\n\n\n \n \n بوابة OpenAI — محرك Val Town الأصلي\n ⚡\" />\n \n \n \n \n\n\n

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🎮 منصّة التجربة المباشرة

\n التحفيز: 0\n الإخراج: 0\n الإجمالي: 0\n —\n

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🤖

مرحباً! أنا مُشغّل عبر البوابة المتوافقة مع OpenAI، والمحرّك الداخلي هو Val Town. جرّب سؤالاً من الأسئلة المقترحة 👇

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\n مقترحات:\n \n \n \n \n

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⚙️ إعدادات متقدمة

\n النظام (System Prompt)\n \n \n درجة الحرارة (Temperature)\n \n \n الحد الأقصى (Max Tokens)\n \n \n النموذج\n \n \n الجهد (Effort — للموديلات التفكيرية)\n \n \n

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🔌 بيانات الاتصال

\n المفتاح\n …\n \n \n

\n Base URL\n …\n \n

\n النموذج\n …\n \n

إعداد Cline / Roo Code / Cursor

انسخ المفتاح من الأعلى.
عيّن baseUrl = {BASE_URL} في مزوّد OpenAI مخصّص.
الصق المفتاح في حقل API Key.
احفظ كالتالي: v1/chat/completions.

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📦 مقتطفات التكامل

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# Cline — إعداد OpenAI-متوافق\nopenai-compatible:\n  baseUrl: {BASE_URL}\n  apiKey: {KEY}\n  modelId: {MODEL}

# في إعدادات Cline → OpenAI-متوافق\nOPENAI_BASE_URL={BASE_URL}\nOPENAI_API_KEY={KEY}\nOPENAI_MODEL_ID={MODEL}

curl {BASE_URL}/chat/completions \\\n  -H \"Authorization: Bearer {KEY}\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\n    \"model\": \"{MODEL}\",\n    \"stream\": true,\n    \"messages\": [{\"role\":\"user\",\"content\":\"مرحباً\"}]\n  }'

from openai import OpenAI\n\nclient = OpenAI(\n    api_key=\"{KEY}\",\n    base_url=\"{BASE_URL}\",\n)\nresp = client.chat.completions.create(\n    model=\"{MODEL}\",\n    stream=True,\n    messages=[{\"role\":\"user\",\"content\":\"مرحباً\"}],\n)\nfor chunk in resp:\n    print(chunk.choices[0].delta.content or \"\", end=\"\")

import OpenAI from \"openai\";\n\nconst client = new OpenAI({\n  apiKey: \"{KEY}\",\n  baseURL: \"{BASE_URL}\",\n});\nconst stream = await client.chat.completions.create({\n  model: \"{MODEL}\",\n  stream: true,\n  messages: [{ role: \"user\", content: \"مرحباً\" }],\n});\nfor await (const chunk of stream) {\n  process.stdout.write(chunk.choices[0]?.delta?.content ?? \"\");\n}

\n\n

📊 النشاط والاستخدام

لا يوجد نشاط بعد.

\n\n \n

\n\n \n \n\n\n",[],[56,112],"2c10089c-e000-44b1-9f5e-0e106eef04b1","app.ts","0d200346-a6ea-11f1-bb4a-1607ee4eb77e",17,["D",1788366386984],4,"script","/**\n * public/app.ts — client-side UI for the OpenAI-compatible gateway.\n * Served (transpiled) by main.ts via serveFile.\n */\nimport { marked } from \"https://esm.sh/marked@14.1.3\";\nimport hljs from \"https://esm.sh/highlight.js@11.10.0\";\n\nmarked.setOptions({ gfm: true, breaks: true });\n\ntype Msg = { role: string; content: string };\n\nconst state = {\n apiKey: \"\",\n baseUrl: \"\",\n model: \"gpt-5.4-nano\",\n messages: [] as Msg[],\n controller: null as AbortController | null,\n busy: false,\n t0: 0,\n usage: { prompt: 0, completion: 0 } as { prompt: number; completion: number },\n};\n\nconst $ = (s: string): HTMLElement => document.querySelector(s) as HTMLElement;\nconst $$ = (s: string): NodeListOf => document.querySelectorAll(s);\n\nfunction est(s: string): number {\n if (!s) return 0;\n return Math.max(1, Math.ceil(s.length / 3));\n}\nfunction scrollBottom(el: HTMLElement) {\n el.scrollTop = el.scrollHeight;\n}\nasync function copy(text: string) {\n try {\n await navigator.clipboard.writeText(text);\n } catch {\n const ta = document.createElement(\"textarea\");\n ta.value = text;\n document.body.appendChild(ta);\n ta.select();\n document.execCommand(\"copy\");\n ta.remove();\n }\n}\n\n// ---- Boot -----------------------------------------------------------------\nasync function init() {\n await loadConfig();\n fillSnippets();\n wire();\n renderMessages();\n updateMetrics();\n setInterval(checkHealth, 8000);\n}\n\nasync function loadConfig() {\n state.baseUrl = location.origin + \"/api/provider/v1\";\n try {\n const r = await fetch(\"/api/provider/config\");\n const c = await r.json();\n state.apiKey = c.apiKey || \"\";\n state.model = c.model || \"gpt-5.4-nano\";\n $(\"#key-display\").textContent = (c.maskedKey || state.apiKey);\n $(\"#key-display\").dataset.full = state.apiKey;\n $(\"#key-display\").dataset.masked = c.maskedKey || state.apiKey;\n $(\"#base-url\").textContent = state.baseUrl;\n $(\"#model-display\").textContent = state.model;\n const sel = $(\"#model\") as HTMLSelectElement;\n sel.value = state.model;\n if (!sel.value) {\n const opt = document.createElement(\"option\");\n opt.value = state.model;\n opt.textContent = state.model;\n opt.selected = true;\n sel.insertBefore(opt, sel.firstChild);\n }\n const eff = $(\"#effort\") as HTMLSelectElement;\n if (eff && !eff.value) eff.value = \"medium\";\n } catch (e) {\n $(\"#key-display\").textContent = \"غير متاح\";\n $(\"#base-url\").textContent = state.baseUrl;\n }\n}\n\nfunction fillSnippets() {\n const rep: Record = {\n \"{BASE_URL}\": state.baseUrl,\n \"{KEY}\": state.apiKey,\n \"{MODEL}\": state.model,\n };\n $$(\".pane code\").forEach((el) => {\n let t = el.textContent || \"\";\n for (const k in rep) t = t.split(k).join(rep[k]);\n el.textContent = t;\n });\n}\n\nasync function checkHealth() {\n const badge = $(\"#status-badge\");\n const label = $(\"#status-label\");\n try {\n const r = await fetch(state.baseUrl + \"/models\");\n if (r.ok) {\n badge.className = \"status-badge status-ok\";\n label.textContent = \"المزوّد متصل\";\n } else throw new Error(\"bad\");\n } catch {\n badge.className = \"status-badge status-bad\";\n label.textContent = \"غير متصل\";\n }\n}\n\n// ---- Rendering -------------------------------------------------------------\nfunction renderMessages() {\n const box = $(\"#messages\");\n box.innerHTML = \"\";\n box.appendChild(welcomeMsg());\n for (const m of state.messages) {\n box.appendChild(msgNode(m.role, m.content, false));\n }\n scrollBottom(box);\n}\n\nfunction welcomeMsg(): HTMLElement {\n const div = document.createElement(\"div\");\n div.className = \"msg msg-assistant\";\n div.innerHTML =\n `

🤖

مرحباً! أنا مشغّل عبر البوابة المتوافقة مع OpenAI، والمحرّك الداخلي هو Val Town. جرّب سؤالاً من الأسئلة المقترحة 👇

`;\n return div;\n}\n\nfunction msgNode(role: string, content: string, caret: boolean): HTMLElement {\n const wrap = document.createElement(\"div\");\n wrap.className = \"msg \" + (role === \"user\" ? \"msg-user\" : \"msg-assistant\");\n const avatar = document.createElement(\"div\");\n avatar.className = \"avatar\";\n avatar.textContent = role === \"user\" ? \"🧑\" : \"🤖\";\n const bubble = document.createElement(\"div\");\n bubble.className = \"bubble\";\n wrap.append(avatar, bubble);\n paint(bubble, content, caret);\n return wrap;\n}\n\nfunction paint(bubble: HTMLElement, md: string, caret: boolean) {\n const html = marked.parse(md || \"…\") as string;\n bubble.innerHTML = html + (caret ? '▍' : \"\");\n enhance(bubble);\n}\n\nfunction enhance(container: HTMLElement) {\n container.querySelectorAll(\"pre > code\").forEach((code) => {\n try {\n hljs.highlightElement(code as HTMLElement, { ignoreUnescaped: true });\n } catch { /* keep plain */ }\n const pre = code.parentElement as HTMLElement;\n const btn = document.createElement(\"button\");\n btn.className = \"copy-btn\";\n btn.textContent = \"نسخ\";\n btn.addEventListener(\"click\", async () => {\n await copy((code as HTMLElement).innerText);\n btn.textContent = \"✓\";\n setTimeout(() => (btn.textContent = \"نسخ\"), 1200);\n });\n pre.appendChild(btn);\n });\n}\n\n// ---- Send / stream ----------------------------------------------------------\nfunction addAssistantBubble(): HTMLElement {\n const box = $(\"#messages\");\n const n = msgNode(\"assistant\", \"\", false);\n box.appendChild(n);\n scrollBottom(box);\n return n.querySelector(\".bubble\") as HTMLElement;\n}\n\nasync function send(prompt?: string) {\n if (state.busy) return;\n const input = $(\"#input\") as HTMLTextAreaElement;\n const text = (prompt ?? input.value.trim()).trim();\n if (!text) return;\n input.value = \"\";\n state.messages.push({ role: \"user\", content: text });\n state.usage = { prompt: 0, completion: 0 };\n renderMessages();\n\n const sys = ($(\"#sys-prompt\") as HTMLTextAreaElement).value.trim();\n const temp = parseFloat(($(\"#temperature\") as HTMLInputElement).value);\n const maxTok = parseInt(($(\"#max-tokens\") as HTMLInputElement).value, 10) || 2048;\n const model = ($(\"#model\") as HTMLSelectElement).value || state.model;\n const effort = ($(\"#effort\") as HTMLSelectElement).value;\n\n const messages: Msg[] = [\n ...(sys ? [{ role: \"system\", content: sys }] : []),\n ...state.messages,\n ];\n const body: Record = {\n model,\n messages,\n temperature: Number.isFinite(temp) ? temp : 0.7,\n max_tokens: maxTok,\n stream: true,\n };\n // Pass reasoning effort for thinking models when the user chooses one.\n if (effort) {\n body.reasoning_effort = effort;\n body.effort = effort;\n }\n\n state.controller = new AbortController();\n state.busy = true;\n state.t0 = performance.now();\n const stopBtn = $(\"#stop-btn\");\n ( $(\"#send-btn\") as HTMLButtonElement ).style.display = \"none\";\n stopBtn.classList.remove(\"hidden\");\n\n const bubble = addAssistantBubble();\n let out = \"\";\n let failed = false;\n\n try {\n const res = await fetch(state.baseUrl + \"/chat/completions\", {\n method: \"POST\",\n headers: { \"Content-Type\": \"application/json\", Authorization: `Bearer ${state.apiKey}` },\n body: JSON.stringify(body),\n signal: state.controller.signal,\n });\n if (!res.ok || !res.body) {\n const errText = await res.text().catch(() => \"\");\n failed = true;\n out = `**خطأ (${res.status})**\\n\\n\\`\\`\\`\\n${(errText || res.statusText || \"فشل الطلب\").slice(0, 2000)}\\n\\`\\`\\``;\n paint(bubble, out, false);\n } else {\n const reader = res.body.getReader();\n const dec = new TextDecoder();\n let buf = \"\";\n for (;;) {\n const { done, value } = await reader.read();\n if (done) break;\n buf += dec.decode(value, { stream: true });\n let idx: number;\n while ((idx = buf.indexOf(\"\\n\")) >= 0) {\n const line = buf.slice(0, idx).trim();\n buf = buf.slice(idx + 1);\n if (!line.startsWith(\"data:\")) continue;\n const data = line.slice(5).trim();\n if (data === \"[DONE]\") continue;\n try {\n const json = JSON.parse(data);\n if (json.error) {\n failed = true;\n out = `**خطأ من المحرك:** ${json.error.message || \"\"}`;\n paint(bubble, out, false);\n continue;\n }\n const delta = json.choices?.[0]?.delta?.content;\n if (typeof delta === \"string\") {\n out += delta;\n paint(bubble, out, true);\n }\n if (json.usage) state.usage = json.usage;\n } catch { /* partial/keepalive */ }\n }\n }\n // final paint (no caret)\n const finalNode = bubble;\n const html = marked.parse(out || \"(لا مخرجات)\") as string;\n finalNode.innerHTML = html;\n enhance(finalNode);\n }\n } catch (e) {\n const err = e as Error;\n if (err.name !== \"AbortError\") {\n failed = true;\n out = (out || \"\") + `\\n\\n**خطأ:** ${err.message || \"تعذّر الاتصال\"}`;\n }\n paint(bubble, out || \"(أوقفت الإرسال)\", false);\n } finally {\n state.messages.push({ role: \"assistant\", content: out });\n state.busy = false;\n state.controller = null;\n ( $(\"#send-btn\") as HTMLButtonElement ).style.display = \"\";\n stopBtn.classList.add(\"hidden\");\n state.usage.completion = state.usage.completion || est(out);\n updateMetrics();\n addLog(model, failed, maxTok, state.messages.length);\n renderMessages();\n }\n}\n\nfunction stop() {\n state.controller?.abort();\n}\n\n// ---- Activity + metrics ------------------------------------------------------\nfunction updateMetrics() {\n let prompt = 0;\n let completion = 0;\n for (const m of state.messages) {\n if (m.role === \"assistant\") completion += est(m.content);\n else prompt += est(m.content);\n }\n $(\"#m-prompt\").textContent = \"التحفيز: \" + prompt;\n $(\"#m-completion\").textContent = \"الإخراج: \" + completion;\n $(\"#m-total\").textContent = \"الإجمالي: \" + (prompt + completion);\n const ms = Math.round(performance.now() - state.t0);\n $(\"#m-time\").textContent = ms >= 0 && state.busy === false && state.messages.length > 0\n ? `${ms.toLocaleString(\"ar\")} ms`\n : \"—\";\n}\n\nfunction addLog(model: string, failed: boolean, maxTok: number, n: number) {\n const box = $(\"#activity\");\n const empty = box.querySelector(\".empty\");\n if (empty) empty.remove();\n const item = document.createElement(\"div\");\n item.className = \"log-item\";\n const now = new Date();\n item.innerHTML =\n `

${failed ? \"✖ فشل\" : \"✓ نجاح\"}${model}

` +\n `

SSE stream • max ${maxTok} tok • ${n} رسالة • ${now.toLocaleTimeString(\"ar\")}

`;\n box.prepend(item);\n while (box.children.length > 8) box.lastElementChild?.remove();\n}\n\n// ---- Export & save ------------------------------------------------------------\nfunction buildExport(fmt: string): string {\n const md = state.messages.map((m) => `**${m.role}:**\\n${m.content}`).join(\"\\n\\n---\\n\\n\");\n if (fmt === \"md\") return `# محادثة بوابة OpenAI\\n\\n${md}`;\n if (fmt === \"csv\") {\n const lines = [[\"role\", \"content\"].join(\"\")];\n return state.messages.map((m) => `${m.role},\"${m.content.replace(/\"/g, '\"\"').replace(/\\n/g, \" \")}\"`).join(\"\\n\");\n }\n if (fmt === \"curl\") {\n const msgs = JSON.stringify(state.messages.map((m) => ({ role: m.role, content: m.content })));\n return `curl ${state.baseUrl}/chat/completions -H \"Authorization: Bearer ${state.apiKey}\" -H \"Content-Type: application/json\" -d '{\"model\":\"${state.model}\",\"stream\":true,\"messages\":${msgs}}'`;\n }\n return md;\n}\n\nfunction download(name: string, content: string, type: string) {\n const a = document.createElement(\"a\");\n a.href = URL.createObjectURL(new Blob([content], { type }));\n a.download = name;\n a.click();\n URL.revokeObjectURL(a.href);\n}\n\nfunction saveChat() {\n if (!state.messages.length) return;\n const key = \"saved-chats-\" + location.pathname;\n let list: string[] = [];\n try { list = JSON.parse(localStorage.getItem(key) || \"[]\"); } catch { list = []; }\n const title = (state.messages[0]?.content || \"محادثة\").slice(0, 30);\n list.unshift(JSON.stringify({ title, messages: state.messages }));\n list = list.slice(0, 8);\n localStorage.setItem(key, JSON.stringify(list));\n renderSaved();\n}\n\nfunction renderSaved() {\n const bar = $(\"#saved-bar\");\n bar.innerHTML = \"\";\n const key = \"saved-chats-\" + location.pathname;\n let list: string[] = [];\n try { list = JSON.parse(localStorage.getItem(key) || \"[]\"); } catch { list = []; }\n list.forEach((raw, i) => {\n let t = `محادثة ${i + 1}`;\n try { t = JSON.parse(raw).title as string; } catch { /* ignore */ }\n const b = document.createElement(\"button\");\n b.className = \"chip saved-chip\";\n b.textContent = \"💾 \" + t + \" ⤴\";\n b.addEventListener(\"click\", () => {\n try {\n state.messages = JSON.parse(raw).messages as Msg[];\n renderMessages();\n updateMetrics();\n } catch { /* ignore */ }\n });\n bar.appendChild(b);\n });\n}\n\n// ---- Wiring ----------------------------------------------------------------\nfunction wire() {\n $(\"#theme-toggle\").addEventListener(\"click\", () => {\n const cur = document.documentElement.getAttribute(\"data-theme\");\n const next = cur === \"dark\" ? \"light\" : \"dark\";\n document.documentElement.setAttribute(\"data-theme\", next);\n ($(\"#theme-toggle\") as HTMLButtonElement).textContent = next === \"dark\" ? \"☀️\" : \"🌙\";\n try { localStorage.setItem(\"theme\", next); } catch { /* ignore */ }\n });\n const savedTheme = (() => { try { return localStorage.getItem(\"theme\"); } catch { return null; } })();\n if (savedTheme) {\n document.documentElement.setAttribute(\"data-theme\", savedTheme);\n ($(\"#theme-toggle\") as HTMLButtonElement).textContent = savedTheme === \"dark\" ? \"☀️\" : \"🌙\";\n }\n\n $(\"#send-btn\").addEventListener(\"click\", () => send());\n $(\"#stop-btn\").addEventListener(\"click\", stop);\n const input = $(\"#input\") as HTMLTextAreaElement;\n input.addEventListener(\"keydown\", (e) => {\n if (e.key === \"Enter\" && !e.shiftKey) {\n e.preventDefault();\n send();\n }\n });\n\n $$(\".preset\").forEach((btn) =>\n btn.addEventListener(\"click\", () => send((btn as HTMLButtonElement).dataset.p)));\n\n $(\"#reveal-key\").addEventListener(\"click\", () => {\n const el = $(\"#key-display\");\n const full = el.dataset.full || \"\";\n el.textContent = el.textContent === full ? (el.dataset.masked || full) : full;\n });\n $(\"#copy-key\").addEventListener(\"click\", () => copy(state.apiKey));\n $(\"#copy-url\").addEventListener(\"click\", () => copy(state.baseUrl));\n $(\"#copy-model\").addEventListener(\"click\", () => copy(state.model));\n\n $(\"#save-chat\").addEventListener(\"click\", saveChat);\n renderSaved();\n\n $(\"#export-btn\").addEventListener(\"click\", (e) => {\n e.stopPropagation();\n const m = $(\"#export-menu\");\n m.classList.toggle(\"hidden\");\n });\n document.addEventListener(\"click\", () => $(\"#export-menu\").classList.add(\"hidden\"));\n $$(\"#export-menu button\").forEach((b) =>\n b.addEventListener(\"click\", () => {\n const fmt = (b as HTMLButtonElement).dataset.fmt || \"md\";\n const content = buildExport(fmt);\n download(`chat.${fmt === \"md\" ? \"md\" : fmt === \"csv\" ? \"csv\" : \"sh\"}`, content, \"text/plain\");\n $(\"#export-menu\").classList.add(\"hidden\");\n }));\n\n $$(\".tab\").forEach((t) =>\n t.addEventListener(\"click\", () => {\n $$(\".tab\").forEach((x) => x.classList.remove(\"active\"));\n t.classList.add(\"active\");\n const id = (t as HTMLButtonElement).dataset.t || \"\";\n $$(\".pane\").forEach((p) => p.classList.toggle(\"hidden\", p.id !== id));\n }));\n\n $$(\".conn-row\").forEach(() => { /* noop */ });\n}\n\ninit();\n",[],[56,120],"7b86a1e8-2571-4317-82ca-1d10a6ce8654","lib","e2a0cbeb-2016-432b-9f07-0defe6ee8dbf",["D",1788365847017],[135],[130],{"_33":136,"_13":137,"_36":138,"_38":131,"_40":41,"_42":139,"_44":45,"_46":140,"_17":101,"_49":125,"_50":141,"_52":53,"_54":-5,"_70":142,"_18":143},"2790bd94-ec1e-4614-a085-ce240493edf3","bridge.ts","c9e9cd50-a6e9-11f1-8b7e-1607ee4eb77e",45,["D",1788369399905],"/**\n * lib/bridge.ts — Internal Provider Bridge & Native AI Engine\n *\n * Maps standard OpenAI requests onto Val Town's native AI engine\n * (`std/openai` -> ValTownOpenAI proxy, authenticated via the ambient\n * `valtown` token — no external API key required).\n *\n * Exposes (mounted by main.ts under /api/provider/v1):\n * GET /models -> active native model, OpenAI format, no auth\n * POST /chat/completions -> chat (streaming real SSE or non-streaming)\n *\n * @service the \"port 3040 internal backend service\" of this deployment —\n * no extra process needed: it's a module singleton.\n */\nimport { OpenAI } from \"https://esm.town/v/std/openai/main.ts\";\n\n// ---- Configuration -------------------------------------------------------\n\n/** Native engine is Val Town's proxy; model is configurable. */\nexport const MODEL = (Deno.env.get(\"PROVIDER_MODEL\") || \"gpt-5.4-nano\").trim();\n/** Hard ceiling for output tokens to avoid upstream rejection errors. */\nconst MAX_OUTPUT_TOKENS = 16384;\n\n// ---- Singleton client with auto-healing ----------------------------------\n// If the ambient session token rotates or a transient error occurs, we\n// re-instantiate the client so it re-reads platform credentials.\n\nlet client: OpenAI | null = null;\n\n/** Returns (and lazily creates) the native engine client singleton. */\nexport function getClient(): OpenAI {\n if (!client) client = new OpenAI();\n return client;\n}\n\n/** Force a fresh client on the next call (auto-heal). */\nexport function resetClient(): void {\n client = null;\n}\n\n/**\n * Invoke the engine with an internal rate-limiter and auto-retry on 429.\n * - Throttles to ~9 requests/min so the proxy's ~10/min budget is never\n * exceeded from this gateway, keeping 429s rare.\n * - On a 429 (rate limit) it sleeps with backoff and retries.\n * - Auto-heal: resets the client singleton (re-reading credentials) on error.\n */\nconst MAX_REQ_PER_MIN = 9;\nconst engineTimes: number[] = [];\nfunction sleep(ms: number): Promise {\n return new Promise((r) => setTimeout(r, ms));\n}\nasync function throttleEngine(): Promise {\n const now = Date.now();\n while (engineTimes.length && now - engineTimes[0] >= 60000) engineTimes.shift();\n if (engineTimes.length >= MAX_REQ_PER_MIN) {\n // Wait until the oldest request ages out of the window.\n await sleep(60000 - (now - engineTimes[0]) + 100);\n engineTimes.shift();\n }\n engineTimes.push(Date.now());\n}\n\nasync function callEngine(payload: Record) {\n const attempts = 4;\n for (let i = 0; i < attempts; i++) {\n await throttleEngine();\n try {\n return await getClient().chat.completions.create(payload as never);\n } catch (e) {\n const err = e as { message?: string; status?: number };\n resetClient(); // auto-heal: re-read platform credentials\n // 429 = rate limited: back off and retry.\n if (err.status === 429 && i < attempts - 1) {\n await sleep(2600 * (i + 1));\n continue;\n }\n // One plain retry for transient errors, then surface.\n if (i === 0) continue;\n const status =\n err.status && err.status < 600 && err.status >= 400 ? err.status : 502;\n throw new UpstreamError(err.message || \"native engine failed\", status);\n }\n }\n throw new UpstreamError(\"engine retries exhausted (rate limit)\", 429);\n}\n\nclass UpstreamError extends Error {\n status: number;\n constructor(message: string, status = 502) {\n super(message);\n this.status = status;\n }\n}\n\n// ---- Authentication ------------------------------------------------------\n\n/** The generated gateway key (stored server-side in PROVIDER_API_KEY). */\nexport function apiKey(): string {\n return Deno.env.get(\"PROVIDER_API_KEY\") || \"\";\n}\n\n/** True if the request carries a valid bearer / x-api-key. */\nexport function isAuthed(req: Request): boolean {\n const header = req.headers.get(\"authorization\") || req.headers.get(\"x-api-key\") || \"\";\n const token = header.replace(/^Bearer\\s+/i, \"\").trim();\n return token.length > 0 && token === apiKey();\n}\n\nfunction unauthorized(): Response {\n return Response.json(\n {\n error: {\n message:\n \"Incorrect API key provided. Include `Authorization: Bearer ` or `X-Api-Key: `. Get your key from the gateway UI.\",\n type: \"invalid_request_error\",\n param: null,\n code: \"invalid_api_key\",\n },\n },\n { status: 401 },\n );\n}\n\n// ---- Message sanitization (never throws) ---------------------------------\n\nfunction toText(content: unknown): string {\n try {\n if (content == null) return \"\";\n if (typeof content === \"string\") return content;\n if (Array.isArray(content)) {\n return content\n .map((part) => {\n if (!part || typeof part !== \"object\") return \"\";\n const p = part as { type?: string; text?: string; image_url?: { url?: string } };\n if (p.type === \"text\") return String(p.text ?? \"\");\n if (p.type === \"image_url\") return \"\\[image\\]\";\n return \"\";\n })\n .filter(Boolean)\n .join(\"\\n\");\n }\n return String(content);\n } catch {\n return \"\";\n }\n}\n\n/**\n * Pass through plain system/user/assistant messages; safely flatten\n * tool / function roles and role-object shapes into clean text messages.\n * Guaranteed to never throw.\n */\nexport function sanitizeMessages(messages: unknown): { role: string; content: string }[] {\n try {\n if (!Array.isArray(messages)) return [{ role: \"user\", content: \"Hi\" }];\n const out: { role: string; content: string }[] = [];\n for (const raw of messages) {\n try {\n const msg = (raw ?? {}) as {\n role?: string | { role?: string };\n content?: unknown;\n tool_calls?: { function?: { name?: string } }[];\n name?: string;\n };\n let role = typeof msg.role === \"string\" ? msg.role : \"user\";\n let content = toText(msg.content);\n // Flatten assistant tool_calls into a note so nothing is lost.\n const calls = Array.isArray(msg.tool_calls)\n ? msg.tool_calls.filter(Boolean).map((t) => t?.function?.name || \"tool\")\n : [];\n if (calls.length && !content) {\n content = \"[invoked: \" + calls.join(\", \") + \"]\";\n }\n if (role === \"tool\" || role === \"function\") role = \"user\";\n // Merge adjacent same-role messages so alternating-role rules hold.\n const last = out[out.length - 1];\n if (last && last.role === role) {\n last.content += (last.content ? \"\\n\" : \"\") + content;\n continue;\n }\n out.push({ role, content });\n } catch {\n // drop malformed message\n }\n }\n // Leading assistant messages upset some engines — prepend a user turn.\n if (out.length && out[0].role === \"assistant\") {\n out.unshift({ role: \"user\", content: \"Continue.\" });\n }\n if (!out.length) out.push({ role: \"user\", content: \"Hi\" });\n return out;\n } catch {\n return [{ role: \"user\", content: \"Hi\" }];\n }\n}\n\n// ---- Payload shaping ------------------------------------------------------\n\nfunction clampOutputTokens(v: unknown, fallback = 1024): number {\n let n = Number(v ?? 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