From 4cefd3e17f0ce1b833503d3e767eb5fa2b256a4a Mon Sep 17 00:00:00 2001
From: Anais Saraiva <anais.saraiva@ihorizon.org>
Date: Mon, 21 Sep 2026 21:10:09 +0200
Subject: [PATCH] :3

---
 .env.example                               |  19 +-
 AGENTS.md                                  |   4 +-
 README.md                                  |   6 +-
 docs/ARCHITECTURE.md                       |  36 +--
 docs/NIXOS-HOSTING.md                      |  30 +-
 frontend/src/components/AccessRequests.tsx |  52 +++-
 frontend/src/components/AdminCenter.tsx    |  38 ++-
 frontend/src/components/Chat.tsx           |   7 +-
 frontend/src/components/ReviewPage.tsx     |  39 ++-
 frontend/src/lib/types.ts                  |   1 +
 module.nix                                 |  14 +-
 scripts/poc-chatgpt.ts                     |  36 ++-
 src/access.ts                              |  67 +++++
 src/config.ts                              |  13 +-
 src/drivers/{puppeteer.ts => arcaic.ts}    |  88 ++++--
 src/drivers/browser.ts                     | 321 ++++++++++++++-------
 src/drivers/registry.ts                    |  21 +-
 src/drivers/types.ts                       |   2 +
 18 files changed, 577 insertions(+), 217 deletions(-)
 rename src/drivers/{puppeteer.ts => arcaic.ts} (65%)

diff --git a/.env.example b/.env.example
index b162157..3d64f8b 100644
--- a/.env.example
+++ b/.env.example
@@ -43,7 +43,7 @@ RATE_LIMIT_MAX=5
 RATE_LIMIT_WINDOW_MIN=10
 
 # --- drivers ---
-# Priority (global): ollama -> mistral -> glm -> puppeteer-openai(stub) -> deepseek -> anthropic -> openai
+# Priority (global): ollama -> mistral -> glm -> arcaic -> deepseek -> anthropic -> openai
 OLLAMA_HOST=http://10.66.66.4:11434
 OLLAMA_ENABLED=true
 # Stubs below: leave empty to keep disabled. Implemented last per spec.
@@ -60,11 +60,12 @@ ANTHROPIC_API_KEY=
 ANTHROPIC_ENABLED=false
 OPENAI_API_KEY=
 OPENAI_ENABLED=false
-# ChatGPT web driver (puppeteer-core + Firefox via WebDriver BiDi). POC.
-# Every process launch creates a throwaway Firefox profile (deleted on exit);
-# the first request opens a window where you log in manually while it waits.
-PUPPETEER_ENABLED=false
-PUPPETEER_EXECUTABLE=firefox
-PUPPETEER_HEADLESS=false
-PUPPETEER_LOGIN_TIMEOUT_S=300
-PUPPETEER_RESPONSE_TIMEOUT_S=300
+# Arcaic backend (headless browser, throwaway profile per process).
+# Every process launch creates a throwaway Firefox profile (deleted on exit).
+ARCAIC_ENABLED=false
+ARCAIC_EXECUTABLE=firefox
+# Headless by default; set to false to watch the window (debugging, or if a
+# manual login is ever required).
+ARCAIC_HEADLESS=true
+ARCAIC_LOGIN_TIMEOUT_S=300
+ARCAIC_RESPONSE_TIMEOUT_S=300
diff --git a/AGENTS.md b/AGENTS.md
index a133161..ecc84f1 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -26,7 +26,7 @@ src/config.ts         env parsing (PORT, HOST, APP_PASSWORD=admin key, OLLAMA_HO
 src/db.ts             SQLite store: users, sessions, conversations, messages, shares (+ admin row bootstrap)
 src/auth.ts           login(username,key), hashed Bearer sessions, sliding-window login rate limit
 src/static.ts         static file server + SPA fallback (covers /share/:id)
-src/drivers/          LLMDriver interface, OllamaDriver, ApiDriverBase, Mistral/DeepSeek/Anthropic/OpenAI, puppeteer stub, DriverRegistry
+src/drivers/          LLMDriver interface, OllamaDriver, ApiDriverBase, Mistral/DeepSeek/Anthropic/OpenAI, arcaic browser sub-drivers (arcaic-openai/gemini/qwen), DriverRegistry
 frontend/src/         App.tsx (routing+state), lib/api.ts (fetch wrapper), components/
 public/               BUILD OUTPUT (Vite). Never hand-edit; rebuild instead. Not committed (see .gitignore)
 flake.nix/module.nix NixOS packaging + service module
@@ -46,7 +46,7 @@ flake.nix/module.nix NixOS packaging + service module
 - Icons: lucide-react only. **Never use native `<select>`** — use the `Picker` component in `frontend/src/components/ui.tsx` (also `Button`, `Modal`, `ConfirmDialog`, `ContextMenu`, `Avatar`, `CopyButton` live there).
 - Backend responses: `json()` helper, `{ error }` shape on failure, correct HTTP codes (400/401/403/404/409/429/502).
 - DB: synchronous `bun:sqlite` queries, prepared statements, `PRAGMA journal_mode=WAL`. Schema is created idempotently at boot — keep it that way (no migration framework).
-- Drivers: new LLM backends implement `LLMDriver` and register in `DriverRegistry` priority order. The puppeteer scraper stays a stub (ToS risk).
+- Drivers: new LLM backends implement `LLMDriver` and register in `DriverRegistry` priority order. The arcaic browser driver is user-facing as "Arcaic-Technology" — never expose its scraping internals (no "puppeteer"/"crawler"/upstream-site names) in API responses, error strings, or UI labels.
 - Docs are in English. Update `docs/` + README when adding routes, tables, or env vars.
 
 ## NixOS
diff --git a/README.md b/README.md
index a376a2b..34cbccd 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ accounts, server-side chats and public shares. No cookies — Bearer keys in
 Driver priority:
 
 ```
-1. ollama → 2. mistral API → 3. glm API → 4. puppeteer-openai (ChatGPT web, POC)
+1. ollama → 2. mistral API → 3. glm API → 4. arcaic ×3 (arcaic-openai → arcaic-gemini → arcaic-qwen)
 → 5. deepseek → 6. anthropic → 7. openai
 ```
 
@@ -97,8 +97,8 @@ src/drivers/types.ts     LLMDriver interface + DriverModel + errors
 src/drivers/ollama.ts    OllamaDriver (priority #1) — /api/tags discovery, NDJSON stream
 src/drivers/apiBase.ts   ApiDriverBase (OpenAI-compatible SSE) base class
 src/drivers/apis.ts      Mistral / DeepSeek / Anthropic / OpenAI drivers
-src/drivers/browser.ts   ChatGPTBrowserEngine — throwaway Firefox profile (puppeteer-core/BiDi)
-src/drivers/puppeteer.ts PuppeteerOpenAIDriver — ChatGPT web POC (PUPPETEER_ENABLED, manual login)
+src/drivers/browser.ts   ArcaicBrowserEngine + site configs (openai/qwen/gemini) — throwaway Firefox profile
+src/drivers/arcaic.ts      ArcaicSubDriver ×3 — arcaic-openai / arcaic-gemini / arcaic-qwen (ARCAIC_ENABLED)
 src/drivers/registry.ts  DriverRegistry — priority order + "driver:model" routing
 src/db.ts                SQLite store (users, sessions, convs, messages, shares)
 src/auth.ts              login/sessions/rate-limit (admin key = APP_PASSWORD)
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index bbbe89d..7fdd3bd 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -99,7 +99,7 @@ only ever sees reviewed text blocks, never raw files.
 
 ## Drivers`src/drivers/`: `LLMDriver` interface (`listModels`, `chat`, `chatStream`),
 `DriverRegistry` with global priority
-`ollama → mistral → glm → puppeteer-openai (POC) → deepseek → anthropic → openai`.
+`ollama → mistral → glm → arcaic-openai → arcaic-gemini → arcaic-qwen → deepseek → anthropic → openai`.
 Models are addressed as `"driver:model"` (split on the first `:`).
 
 - `OllamaDriver`: model discovery via `GET {OLLAMA_HOST}/api/tags`, chat via
@@ -113,20 +113,20 @@ Models are addressed as `"driver:model"` (split on the first `:`).
   (SSE) implementation; concrete drivers only set base URL, key, and fallback
   model list. A driver is enabled only when its `*_ENABLED` flag is set **and**
   its key is non-empty; failing drivers are skipped (not fatal) in listings.
-- `PuppeteerOpenAIDriver` (+ `browser.ts` `ChatGPTBrowserEngine`): ChatGPT via
-  the web UI — puppeteer-core driving Firefox (WebDriver BiDi) with a
-  **throwaway profile** (mkdtemp under /tmp, deleted on close). Anonymous
-  session works without login; if the composer is missing the engine waits up
-  to `PUPPETEER_LOGIN_TIMEOUT_S` for a manual login in the window. Flow:
-  accept the cookie banner, focus the composer (`#mobile-composer-prompt`,
-  multi-line via Shift+Enter), submit with `[data-composer-submit]`, stream
-  by polling `[data-assistant-stream-block]` text, and treat a newly
-  **visible** `[data-copy-message]` button as end-of-response (toolbars exist
-  hidden in the DOM during streaming — visibility is the real signal).
-  Navigation uses domcontentloaded + retries (chatgpt.com stalls sometimes).
-  POC — ToS-risky, off unless `PUPPETEER_ENABLED=true`. Headless validated
-  (`PUPPETEER_HEADLESS=true`, see `scripts/poc-chatgpt.ts --headless`); on
-  NixOS use `services.kisassistant.enableBrowserDriver` for a headless
-  Firefox in the service, or wrap it all in a declarative `containers.*`
-  (see `docs/NIXOS-HOSTING.md`). Smoke test:
-  `bun scripts/poc-chatgpt.ts` (headed, `--probe` for a state report).
+- `ArcaicSubDriver` ×3 (`arcaic-openai`, `arcaic-gemini`, `arcaic-qwen`,
+  one model each: `chat`) + `browser.ts` engine: web-UI sessions driven by a
+  headless browser (WebDriver BiDi) with a **throwaway profile** (mkdtemp
+  under /tmp, deleted on close). Each sub-driver owns its engine (own
+  browser + profile) and declares a site config — composer selectors, submit
+  mode (send-button click vs Enter key), completion signal (newly **visible**
+  copy control, or `aria-busy="false"` on the response container for Gemini),
+  answer-text selectors. Anonymous sessions work without login; if the
+  composer is missing the engine waits up to `ARCAIC_LOGIN_TIMEOUT_S` for a
+  manual login in the window. Multi-line prompts are typed with Shift+Enter.
+  Off unless `ARCAIC_ENABLED=true`. Headless by default
+  (`ARCAIC_HEADLESS=false` for a visible debug window: `bun
+  scripts/poc-chatgpt.ts --headed`); on NixOS use
+  `services.kisassistant.enableBrowserDriver` for a headless Firefox in the
+  service, or wrap it all in a declarative `containers.*` (see
+  `docs/NIXOS-HOSTING.md`). Smoke test: `bun scripts/poc-chatgpt.ts
+  --site openai|qwen|gemini` (`--probe` for a state report).
diff --git a/docs/NIXOS-HOSTING.md b/docs/NIXOS-HOSTING.md
index 8af4593..33627ef 100644
--- a/docs/NIXOS-HOSTING.md
+++ b/docs/NIXOS-HOSTING.md
@@ -129,26 +129,28 @@ tool (`POST /api/tools/ocr`, image attachments) works out of the box.
 > `services.kisassistant.extraEnv = { MISTRAL_ENABLED = "true"; };` plus a
 > drop-in containing the key.
 
-### ChatGPT web driver (`enableBrowserDriver`)
+### Arcaic backend (`enableBrowserDriver`)
 
-The `puppeteer-openai` driver answers through the ChatGPT web UI: a headless
-Firefox from the nix store runs **inside the service** and drives
-`chatgpt.com` via puppeteer-core (WebDriver BiDi). Anonymous sessions work —
-no ChatGPT login needed — and every browser launch gets a throwaway profile
-(mkdtemp under `/tmp`, deleted on exit).
+The `arcaic-*` sub-drivers (`arcaic-openai`, `arcaic-gemini`, `arcaic-qwen`)
+answer through web-UI sessions: a headless Firefox from the nix store runs
+**inside the service** and drives the sites via a browser-automation session
+(WebDriver BiDi). Anonymous sessions work — no login needed — and every
+browser launch gets a throwaway profile (mkdtemp under `/tmp`, deleted on
+exit).
 
 ```nix
 services.kisassistant = {
   enable = true;
   # …
   enableBrowserDriver = true;   # adds firefox to the service PATH and sets
-};                              # PUPPETEER_ENABLED/HEADLESS/EXECUTABLE
+};                              # ARCAIC_ENABLED/HEADLESS/EXECUTABLE
 ```
 
 Overridable through `extraEnv` (values win over the module defaults):
-`PUPPETEER_LOGIN_TIMEOUT_S` (default 300), `PUPPETEER_RESPONSE_TIMEOUT_S`
-(default 300). The browser only starts on the **first request** that uses the
-`puppeteer-openai:chatgpt` model — boot cost stays zero otherwise.
+`ARCAIC_LOGIN_TIMEOUT_S` (default 300), `ARCAIC_RESPONSE_TIMEOUT_S`
+(default 300). The browser only starts on the **first request** that uses one
+of the `arcaic-*:chat` models (`arcaic-openai`, `arcaic-gemini`,
+`arcaic-qwen`) — boot cost stays zero otherwise.
 
 **Full isolation: run the whole app in a declarative NixOS container.**
 The driver launches Firefox as a subprocess, so the browser must live in the
@@ -184,9 +186,9 @@ services.nginx.virtualHosts."chat.kisakay.com" = {
 };
 ```
 
-Headless mode needs no display server anywhere (validated on CI-less builds:
-cookie banner accepted, message sent, response streamed). If ChatGPT ever
-starts headless-shaming, fall back to `PUPPETEER_HEADLESS=false` inside the
+Headless mode needs no display server anywhere (validated: cookie banner
+accepted, message sent, response streamed). If the site ever starts
+headless-shaming, fall back to `ARCAIC_HEADLESS=false` inside the
 container plus an `Xvfb` service — same driver, virtual display.
 
 ## 5. TLS reverse proxy (`enableNginx`)
@@ -288,5 +290,5 @@ After dependency bumps the first build may fail with a `bunDepsHash` mismatch
 | `ollamaHost` | str, `http://localhost:11434` | Ollama endpoint |
 | `domain` | null \| str | nginx vhost name, required when `enableNginx = true` |
 | `enableNginx` | null \| bool, `null` | `true`/`false` force the bundled reverse proxy on/off; `null` = nginx iff `domain` set (legacy) |
-| `enableBrowserDriver` | bool, `false` | headless Firefox in the service for the `puppeteer-openai` ChatGPT web driver (sets `PUPPETEER_ENABLED`/`PUPPETEER_HEADLESS`/`PUPPETEER_EXECUTABLE`, overridable via `extraEnv`) |
+| `enableBrowserDriver` | bool, `false` | headless Firefox in the service for the `arcaic` driver ("Arcaic-Technology" model; sets `ARCAIC_ENABLED`/`ARCAIC_HEADLESS`/`ARCAIC_EXECUTABLE`, overridable via `extraEnv`) |
 | `extraEnv` | attrs of str, `{}` | extra environment (non-secret values only) |
diff --git a/frontend/src/components/AccessRequests.tsx b/frontend/src/components/AccessRequests.tsx
index 4e3d5ec..275ceb9 100644
--- a/frontend/src/components/AccessRequests.tsx
+++ b/frontend/src/components/AccessRequests.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useRef, useState } from "react";
 import { CheckCircle2, Clock, Inbox, Search, SendHorizontal, Undo2, XCircle } from "lucide-react";
 import { api, type AccessMessage, type AccessRequest, type AccessStatus } from "../lib/api.ts";
 import { Button, CopyButton, Field, Input, Spinner } from "./ui.tsx";
@@ -23,8 +23,11 @@ export function AccessRequestsPanel() {
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState("");
   const { t } = useT();
+  const listBusy = useRef(false);
 
   async function refresh(select?: string) {
+    if (listBusy.current) return;
+    listBusy.current = true;
     try {
       const res = await api.adminAccessList();
       setRequests(res.requests);
@@ -32,12 +35,19 @@ export function AccessRequestsPanel() {
     } catch (err) {
       setError(err instanceof Error ? err.message : t("admin.loadFailed"));
     } finally {
+      listBusy.current = false;
       setLoading(false);
     }
   }
 
   useEffect(() => {
     refresh();
+    // Live list: new requests / replies pop without manual refresh.
+    const id = setInterval(() => {
+      if (!document.hidden) refresh();
+    }, 15000);
+    return () => clearInterval(id);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   const visible = requests.filter((r) => filter === "all" || r.status === filter);
@@ -122,12 +132,47 @@ function TicketDetail({ request, onChanged }: { request: AccessRequest; onChange
   const [error, setError] = useState("");
   const { t } = useT();
   const [freshKey, setFreshKey] = useState<string | null>(null);
+  // Latest callbacks / server state without restarting the poll loop.
+  const onChangedRef = useRef(onChanged);
+  onChangedRef.current = onChanged;
+  const known = useRef({ status: request.status, reason: request.reason });
 
   useEffect(() => {
     setReason(request.reason);
     setFreshKey(null);
-    api.adminAccessGet(request.id).then((res) => setMessages(res.messages)).catch(() => {});
-  }, [request.id, request.reason]);
+    known.current = { status: request.status, reason: request.reason };
+    let stopped = false;
+    let busy = false;
+    // Live thread: requester replies appear without manual refresh, and a
+    // status change made elsewhere syncs the list (badges, filters).
+    async function fetchOnce() {
+      if (busy || document.hidden) return;
+      busy = true;
+      try {
+        const res = await api.adminAccessGet(request.id);
+        if (stopped) return;
+        setMessages(res.messages);
+        if (
+          res.request.status !== known.current.status ||
+          res.request.reason !== known.current.reason
+        ) {
+          known.current = { status: res.request.status, reason: res.request.reason };
+          onChangedRef.current();
+        }
+      } catch {
+        // Transient failure: keep last state, retry next tick.
+      } finally {
+        busy = false;
+      }
+    }
+    fetchOnce();
+    const id = setInterval(fetchOnce, 5000);
+    return () => {
+      stopped = true;
+      clearInterval(id);
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [request.id]);
 
   const closed = request.status === "accepted" || request.status === "refused";
 
@@ -137,6 +182,7 @@ function TicketDetail({ request, onChanged }: { request: AccessRequest; onChange
     try {
       const res = await api.adminAccessPatch(request.id, { status, reason: reason.trim() });
       if (res.key) setFreshKey(res.key);
+      known.current = { status: res.request.status, reason: res.request.reason };
       onChanged();
     } catch (err) {
       setError(err instanceof Error ? err.message : t("access.updateFailed"));
diff --git a/frontend/src/components/AdminCenter.tsx b/frontend/src/components/AdminCenter.tsx
index ca97b07..9fbd584 100644
--- a/frontend/src/components/AdminCenter.tsx
+++ b/frontend/src/components/AdminCenter.tsx
@@ -23,6 +23,7 @@ export function AdminCenter() {
   const [settings, setSettings] = useState<{ registrationEnabled: boolean; accessRequestEnabled: boolean; ocrEnabled: boolean } | null>(null);
   const [error, setError] = useState("");
   const [saving, setSaving] = useState(false);
+  const [openAccessCount, setOpenAccessCount] = useState(0);
 
   const TABS: { id: Tab; label: string; icon: typeof Users }[] = [
     { id: "accounts", label: t("center.tabAccounts"), icon: Users },
@@ -45,6 +46,32 @@ export function AdminCenter() {
       .catch(() => setAllowed(false));
   }, []);
 
+  // Live badge on the Access tab: poll the open (pending + reviewing)
+  // request count so new demands pop without opening the tab.
+  useEffect(() => {
+    if (!allowed) return;
+    let stopped = false;
+    async function fetchCount() {
+      try {
+        const res = await api.adminAccessList();
+        if (stopped) return;
+        setOpenAccessCount(
+          res.requests.filter((r) => r.status === "pending" || r.status === "reviewing").length,
+        );
+      } catch {
+        // Transient failure: keep last count, retry next tick.
+      }
+    }
+    fetchCount();
+    const id = setInterval(() => {
+      if (!document.hidden) fetchCount();
+    }, 15000);
+    return () => {
+      stopped = true;
+      clearInterval(id);
+    };
+  }, [allowed]);
+
   async function toggle(patch: { registrationEnabled?: boolean; accessRequestEnabled?: boolean; ocrEnabled?: boolean }) {
     setSaving(true);
     setError("");
@@ -95,7 +122,7 @@ export function AdminCenter() {
                 key={t.id}
                 onClick={() => setTab(t.id)}
                 className={cn(
-                  "flex flex-1 items-center justify-center gap-2 whitespace-nowrap rounded-full px-4 py-2 text-sm font-medium transition",
+                  "relative flex flex-1 items-center justify-center gap-2 whitespace-nowrap rounded-full px-4 py-2 text-sm font-medium transition",
                   tab === t.id
                     ? "bg-white text-stone-900 shadow dark:bg-zinc-800 dark:text-zinc-100"
                     : "opacity-60 hover:opacity-100",
@@ -103,6 +130,15 @@ export function AdminCenter() {
               >
                 <t.icon size={15} />
                 {t.label}
+                {t.id === "access" && openAccessCount > 0 && (
+                  <span
+                    role="status"
+                    aria-label={`${t.label}: ${openAccessCount}`}
+                    className="absolute -right-0.5 -top-1.5 grid min-h-5 min-w-5 place-items-center rounded-full bg-red-500 px-1 text-[11px] font-bold leading-5 text-white shadow"
+                  >
+                    {openAccessCount > 99 ? "99+" : openAccessCount}
+                  </span>
+                )}
               </button>
             ))}
           </div>
diff --git a/frontend/src/components/Chat.tsx b/frontend/src/components/Chat.tsx
index 9a1ab92..780a3b2 100644
--- a/frontend/src/components/Chat.tsx
+++ b/frontend/src/components/Chat.tsx
@@ -90,11 +90,12 @@ export function Chat({
   const modelGroups: PickerGroup[] = (() => {
     const byDriver = new Map<string, { value: string; label: string; hint: string }[]>();
     for (const m of models) {
-      const list = byDriver.get(m.driver) ?? [];
+      const group = m.group ?? m.driver;
+      const list = byDriver.get(group) ?? [];
       list.push({ value: m.id, label: m.label, hint: m.id });
-      byDriver.set(m.driver, list);
+      byDriver.set(group, list);
     }
-    return [...byDriver.entries()].map(([driver, options]) => ({ group: driver, options }));
+    return [...byDriver.entries()].map(([group, options]) => ({ group, options }));
   })();
 
   useEffect(() => {
diff --git a/frontend/src/components/ReviewPage.tsx b/frontend/src/components/ReviewPage.tsx
index 1219bac..3e2bf4c 100644
--- a/frontend/src/components/ReviewPage.tsx
+++ b/frontend/src/components/ReviewPage.tsx
@@ -83,7 +83,31 @@ export function ReviewPage({ ticketId }: { ticketId: string }) {
   }
 
   useEffect(() => {
+    let stopped = false;
     load();
+    // Live updates: short-poll the ticket so admin replies and the
+    // decision show up without a manual refresh. No WS infra on the
+    // backend — traffic here is tiny, polling is the clean fit.
+    let busy = false;
+    async function poll() {
+      if (stopped || busy || document.hidden) return;
+      busy = true;
+      try {
+        const res = await api.accessTicket(ticketId);
+        if (stopped) return;
+        setRequest(res.request);
+        setMessages(res.messages);
+      } catch {
+        // Transient failure: keep last known state, retry next tick.
+      } finally {
+        busy = false;
+      }
+    }
+    const id = setInterval(poll, 5000);
+    return () => {
+      stopped = true;
+      clearInterval(id);
+    };
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [ticketId]);
 
@@ -147,9 +171,18 @@ export function ReviewPage({ ticketId }: { ticketId: string }) {
               </p>
             )}
             {request.status === "accepted" && (
-              <p className="rounded-2xl bg-accent-500/10 px-4 py-2.5 text-center text-sm">
-                {t("review.acceptedHint")}
-              </p>
+              <>
+                <p className="rounded-2xl bg-accent-500/10 px-4 py-2.5 text-center text-sm">
+                  {t("review.acceptedHint")}
+                </p>
+                <Button
+                  size="sm"
+                  className="w-full"
+                  onClick={() => (window.location.href = "/")}
+                >
+                  {t("common.backToLogin")}
+                </Button>
+              </>
             )}
 
             <div className="max-h-80 space-y-2.5 overflow-y-auto rounded-2xl border border-stone-200/70 p-3 dark:border-zinc-800">
diff --git a/frontend/src/lib/types.ts b/frontend/src/lib/types.ts
index 6b6b050..fa6d567 100644
--- a/frontend/src/lib/types.ts
+++ b/frontend/src/lib/types.ts
@@ -30,6 +30,7 @@ export interface DriverModel {
   name: string;
   driver: string;
   label: string;
+  group?: string;
 }
 
 export interface Attachment {
diff --git a/module.nix b/module.nix
index c46f0d3..fd1c4f8 100644
--- a/module.nix
+++ b/module.nix
@@ -48,9 +48,9 @@ in {
       type = lib.types.bool;
       default = false;
       description = ''
-        Enable the ChatGPT web driver (puppeteer-openai): headless Firefox
-        from the nix store runs inside the service and drives chatgpt.com.
-        Sets PUPPETEER_ENABLED/PUPPETEER_HEADLESS/PUPPETEER_EXECUTABLE
+        Enable the Arcaic backend (headless Firefox from the nix store
+        running a web-UI session inside the service).
+        Sets ARCAIC_ENABLED/ARCAIC_HEADLESS/ARCAIC_EXECUTABLE
         (still overridable via extraEnv).
       '';
     };
@@ -94,9 +94,9 @@ in {
         DRIVER_DEBUG = "false";
         OLLAMA_HOST = cfg.ollamaHost;
       } // lib.optionalAttrs cfg.enableBrowserDriver {
-        PUPPETEER_ENABLED = "true";
-        PUPPETEER_HEADLESS = "true";
-        PUPPETEER_EXECUTABLE = "${pkgs.firefox}/bin/firefox";
+        ARCAIC_ENABLED = "true";
+        ARCAIC_HEADLESS = "true";
+        ARCAIC_EXECUTABLE = "${pkgs.firefox}/bin/firefox";
       } // cfg.extraEnv;
       serviceConfig = {
         User = cfg.user;
@@ -108,7 +108,7 @@ in {
         LoadCredential = "app-password:${cfg.passwordFile}";
       };
       # tesseract binary for the OCR platform tool (see TESSERACT_BIN);
-      # firefox for the ChatGPT web driver (enableBrowserDriver).
+      # firefox for the Arcaic backend (enableBrowserDriver).
       path = [ pkgs.tesseract ] ++ lib.optionals cfg.enableBrowserDriver [ pkgs.firefox ];
       script = ''
         ${lib.optionalString (cfg.passwordFile != null) ''
diff --git a/scripts/poc-chatgpt.ts b/scripts/poc-chatgpt.ts
index 3324b26..28599c2 100644
--- a/scripts/poc-chatgpt.ts
+++ b/scripts/poc-chatgpt.ts
@@ -1,17 +1,19 @@
 /**
- * POC — drive chatgpt.com inside a totally temporary Firefox profile
- * (puppeteer-core, WebDriver BiDi, headed). The profile is created in
- * /tmp at launch and deleted on exit; login is done manually in the
- * window when the script asks for it.
+ * POC — drive an Arcaic web-UI backend inside a totally temporary Firefox
+ * profile (puppeteer-core, WebDriver BiDi, headless by default). The profile
+ * is created in /tmp at launch and deleted on exit; login is done manually
+ * in the window (with --headed) when the script asks for it.
  *
  * Usage:
- *   bun scripts/poc-chatgpt.ts                          # send default test message
+ *   bun scripts/poc-chatgpt.ts                          # send default test message (openai site)
+ *   bun scripts/poc-chatgpt.ts --site qwen              # openai | qwen | gemini
  *   bun scripts/poc-chatgpt.ts --message "hello"        # custom message (\n supported)
  *   bun scripts/poc-chatgpt.ts --message $'l1\nl2'      # multi-line test
  *   bun scripts/poc-chatgpt.ts --probe                  # just open + report page state
+ *   bun scripts/poc-chatgpt.ts --headed                 # visible window (debug / manual login)
  *   bun scripts/poc-chatgpt.ts --timeout-s 600          # longer response timeout
  */
-import { ChatGPTBrowserEngine } from "../src/drivers/browser.ts";
+import { ArcaicBrowserEngine, SITES } from "../src/drivers/browser.ts";
 
 const DEFAULT_MESSAGE = "Hello! Answer with one short sentence so we know the pipeline works.";
 
@@ -24,10 +26,10 @@ function option(name: string): string | undefined {
   return i !== -1 && i + 1 < process.argv.length ? process.argv[i + 1] : undefined;
 }
 
-const exe = process.env.PUPPETEER_EXECUTABLE ?? "firefox";
+const exe = process.env.ARCAIC_EXECUTABLE ?? "firefox";
 const executablePath = exe.includes("/") ? exe : Bun.which(exe);
 if (!executablePath) {
-  console.error("firefox not found — set PUPPETEER_EXECUTABLE to the Firefox binary path");
+  console.error("firefox not found — set ARCAIC_EXECUTABLE to the Firefox binary path");
   process.exit(1);
 }
 
@@ -37,9 +39,16 @@ if (!Number.isFinite(responseTimeoutS) || responseTimeoutS <= 0) {
   process.exit(1);
 }
 
-const engine = new ChatGPTBrowserEngine({
+const siteKey = option("--site") ?? "openai";
+const site = SITES[siteKey];
+if (!site) {
+  console.error(`--site must be one of: ${Object.keys(SITES).join(" | ")}`);
+  process.exit(1);
+}
+
+const engine = new ArcaicBrowserEngine({
   executablePath,
-  headless: flag("--headless"),
+  headless: !flag("--headed"),
   loginTimeoutMs: 600_000,
   responseTimeoutMs: responseTimeoutS * 1000,
 });
@@ -57,15 +66,16 @@ const step = (msg: string) => console.log(`[${((Date.now() - t0) / 1000).toFixed
 
 try {
   if (flag("--probe")) {
-    step(`launching Firefox (${executablePath}) with a fresh throwaway profile`);
-    const info = await engine.probe();
+    step(`launching Firefox (${executablePath}) with a fresh throwaway profile [site=${site.key}]`);
+    const info = await engine.probe(site);
     console.log(JSON.stringify(info, null, 2));
     step(info.composer ? `composer ready: ${info.composer}` : "composer NOT found — login wall or challenge page");
   } else {
     const message = option("--message") ?? DEFAULT_MESSAGE;
-    step(`launching Firefox (${executablePath}${flag("--headless") ? ", headless" : ""}) — temporary profile, deleted on exit`);
+    step(`launching Firefox (${executablePath}${flag("--headed") ? ", headed" : ", headless"}) — temporary profile, deleted on exit [site=${site.key}]`);
     let streamed = "";
     const final = await engine.send(message, {
+      site,
       onLoginHint: () => step("login required: log in inside the Firefox window (waiting up to 10 min)"),
       onToken: (delta) => {
         streamed += delta;
diff --git a/src/access.ts b/src/access.ts
index 46b286b..41ee0d4 100644
--- a/src/access.ts
+++ b/src/access.ts
@@ -35,6 +35,23 @@ export interface AccessMessage {
 
 export function initAccessTables(): void {
   const d = getDb();
+  const createRequests = `CREATE TABLE access_requests (
+    id TEXT PRIMARY KEY,
+    username TEXT NOT NULL,
+    email TEXT NOT NULL,
+    message TEXT NOT NULL DEFAULT '',
+    status TEXT NOT NULL DEFAULT 'pending',
+    reason TEXT NOT NULL DEFAULT '',
+    created_at INTEGER NOT NULL,
+    updated_at INTEGER NOT NULL
+  )`;
+  const createMessages = `CREATE TABLE access_messages (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    request_id TEXT NOT NULL REFERENCES access_requests(id) ON DELETE CASCADE,
+    author TEXT NOT NULL,
+    body TEXT NOT NULL,
+    created_at INTEGER NOT NULL
+  )`;
   d.query(`CREATE TABLE IF NOT EXISTS access_requests (
     id TEXT PRIMARY KEY,
     username TEXT NOT NULL,
@@ -45,6 +62,56 @@ export function initAccessTables(): void {
     created_at INTEGER NOT NULL,
     updated_at INTEGER NOT NULL
   )`).run();
+  // Idempotent migration (must run BEFORE access_messages exists with an FK
+  // on access_requests — SQLite rewrites dependent FKs on DROP COLUMN and
+  // would otherwise poison access_messages with a dangling reference).
+  // Older builds created access_requests with a NOT NULL UNIQUE token_hash
+  // column (since removed — tickets are authed by their unguessable UUID).
+  // CREATE TABLE IF NOT EXISTS won't fix existing DBs, and inserts without
+  // token_hash then fail with SQLITE_CONSTRAINT_NOTNULL.
+  try {
+    const cols = d.query("PRAGMA table_info(access_requests)").all() as { name: string }[];
+    if (cols.some((c) => c.name === "token_hash")) {
+      try {
+        d.query("PRAGMA foreign_keys=OFF").run();
+        try {
+          d.query("ALTER TABLE access_requests DROP COLUMN token_hash").run();
+        } catch {
+          // SQLite builds without DROP COLUMN support: rebuild table.
+          d.query("ALTER TABLE access_requests RENAME TO access_requests_old").run();
+          d.query(createRequests).run();
+          d.query(`INSERT INTO access_requests (id, username, email, message, status, reason, created_at, updated_at)
+            SELECT id, username, email, message, status, reason, created_at, updated_at FROM access_requests_old`).run();
+          d.query("DROP TABLE access_requests_old").run();
+        }
+      } finally {
+        d.query("PRAGMA foreign_keys=ON").run();
+      }
+    }
+  } catch {
+    // Leave schema as-is; the insert error will surface normally.
+  }
+  // Repair: a previous boot migrated in the wrong order (messages table
+  // created before the DROP COLUMN), leaving access_messages with
+  // REFERENCES "access_requests_old". Rebuild it with the correct FK.
+  try {
+    const row = d.query("SELECT sql FROM sqlite_master WHERE type = 'table' AND name = 'access_messages'").get() as { sql: string } | null;
+    if (row?.sql?.includes("access_requests_old")) {
+      d.query("PRAGMA foreign_keys=OFF").run();
+      try {
+        d.query("DROP TABLE IF EXISTS access_messages_old").run();
+        d.query("ALTER TABLE access_messages RENAME TO access_messages_old").run();
+        d.query(createMessages).run();
+        d.query(`INSERT INTO access_messages (id, request_id, author, body, created_at)
+          SELECT id, request_id, author, body, created_at FROM access_messages_old`).run();
+        d.query("DROP TABLE access_messages_old").run();
+      } finally {
+        d.query("PRAGMA foreign_keys=ON").run();
+      }
+    }
+  } catch {
+    // Leave schema as-is; errors will surface on write.
+  }
   d.query(`CREATE TABLE IF NOT EXISTS access_messages (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     request_id TEXT NOT NULL REFERENCES access_requests(id) ON DELETE CASCADE,
diff --git a/src/config.ts b/src/config.ts
index 907bacf..3a8d67f 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -48,13 +48,12 @@ export const config = {
   // mainland China (open.bigmodel.cn) — override for the latter.
   glmBaseUrl: env("GLM_BASE_URL", "https://api.z.ai/api/paas/v4"),
 
-  // ChatGPT web driver (puppeteer-core + Firefox, throwaway profile per
-  // process, manual login inside the window while it waits).
-  puppeteerEnabled: envBool("PUPPETEER_ENABLED", false),
-  puppeteerExecutable: env("PUPPETEER_EXECUTABLE", "firefox"),
-  puppeteerHeadless: envBool("PUPPETEER_HEADLESS", false),
-  puppeteerLoginTimeoutS: envInt("PUPPETEER_LOGIN_TIMEOUT_S", 300),
-  puppeteerResponseTimeoutS: envInt("PUPPETEER_RESPONSE_TIMEOUT_S", 300),
+  // Arcaic web-UI backend (headless browser, throwaway profile per process).
+  arcaicEnabled: envBool("ARCAIC_ENABLED", false),
+  arcaicExecutable: env("ARCAIC_EXECUTABLE", "firefox"),
+  arcaicHeadless: envBool("ARCAIC_HEADLESS", true),
+  arcaicLoginTimeoutS: envInt("ARCAIC_LOGIN_TIMEOUT_S", 300),
+  arcaicResponseTimeoutS: envInt("ARCAIC_RESPONSE_TIMEOUT_S", 300),
 
   // Public docs wiki (served by the hosted git forge, e.g. Gitea wiki pages).
   // The app redirects GET /wiki there (302) so the target stays configurable.
diff --git a/src/drivers/puppeteer.ts b/src/drivers/arcaic.ts
similarity index 65%
rename from src/drivers/puppeteer.ts
rename to src/drivers/arcaic.ts
index 536dd9b..5d3650a 100644
--- a/src/drivers/puppeteer.ts
+++ b/src/drivers/arcaic.ts
@@ -1,21 +1,29 @@
 import { config } from "../config.ts";
 import { driverLog, fmtBytes, fmtMs } from "./log.ts";
-import { ChatGPTBrowserEngine } from "./browser.ts";
+import {
+  ArcaicBrowserEngine,
+  GEMINI_SITE,
+  OPENAI_SITE,
+  QWEN_SITE,
+  type BrowserSite,
+} from "./browser.ts";
 import type { ChatMessage, ChatOptions, DriverModel, LLMDriver } from "./types.ts";
 import { DriverDisabledError } from "./types.ts";
 
-const MODELS = ["chatgpt"];
-
-function resolveExecutable(): string {
-  const conf = config.puppeteerExecutable;
-  if (conf.includes("/")) return conf;
-  const found = Bun.which(conf);
-  if (!found) throw new Error(`browser executable "${conf}" not found in PATH — set PUPPETEER_EXECUTABLE`);
-  return found;
+export interface ArcaicSpec {
+  key: string;
+  label: string;
+  site: BrowserSite;
 }
 
+const SPECS: ArcaicSpec[] = [
+  { key: "arcaic-openai", label: "arcaic-openai", site: OPENAI_SITE },
+  { key: "arcaic-gemini", label: "arcaic-gemini", site: GEMINI_SITE },
+  { key: "arcaic-qwen", label: "arcaic-qwen", site: QWEN_SITE },
+];
+
 /**
- * Flatten a KisAssistant conversation into one prompt for the ChatGPT web
+ * Flatten a KisAssistant conversation into one prompt for the Arcaic web
  * composer: system text as a preamble, earlier turns as a transcript, and
  * the latest user message sent as-is.
  */
@@ -76,32 +84,34 @@ class AsyncTokenQueue implements AsyncIterable<string> {
 }
 
 /**
- * ChatGPT via the web UI: throwaway Firefox profile driven by
- * puppeteer-core (WebDriver BiDi). ToS-risky and fragile by nature —
- * disabled unless PUPPETEER_ENABLED=true. Login is manual for now: the
- * first request opens a window and waits for the composer to appear.
+ * One Arcaic sub-driver: a named web-UI backend (openai / gemini / qwen)
+ * sharing the throwaway-browser engine logic. Each sub-driver owns its
+ * engine — one browser + one temp profile per backend.
  */
-export class PuppeteerOpenAIDriver implements LLMDriver {
-  readonly name = "puppeteer-openai";
-  readonly enabled = config.puppeteerEnabled;
-  private engine: ChatGPTBrowserEngine | null = null;
+export class ArcaicSubDriver implements LLMDriver {
+  readonly name: string;
+  readonly enabled = config.arcaicEnabled;
+  private readonly spec: ArcaicSpec;
+  private engine: ArcaicBrowserEngine | null = null;
 
-  constructor() {
-    if (this.enabled) driverLog(this.name, "enabled (chatgpt.com via Firefox, throwaway profile, manual login)");
+  constructor(spec: ArcaicSpec) {
+    this.spec = spec;
+    this.name = spec.key;
+    if (this.enabled) driverLog(this.name, "enabled (web UI session, throwaway profile, headless)");
   }
 
   private ensureEnabled(): void {
     if (!this.enabled) throw new DriverDisabledError(this.name);
   }
 
-  private getEngine(): ChatGPTBrowserEngine {
+  private getEngine(): ArcaicBrowserEngine {
     this.ensureEnabled();
     if (!this.engine) {
-      this.engine = new ChatGPTBrowserEngine({
+      this.engine = new ArcaicBrowserEngine({
         executablePath: resolveExecutable(),
-        headless: config.puppeteerHeadless,
-        loginTimeoutMs: config.puppeteerLoginTimeoutS * 1000,
-        responseTimeoutMs: config.puppeteerResponseTimeoutS * 1000,
+        headless: config.arcaicHeadless,
+        loginTimeoutMs: config.arcaicLoginTimeoutS * 1000,
+        responseTimeoutMs: config.arcaicResponseTimeoutS * 1000,
       });
     }
     return this.engine;
@@ -109,16 +119,25 @@ export class PuppeteerOpenAIDriver implements LLMDriver {
 
   async listModels(): Promise<DriverModel[]> {
     this.ensureEnabled();
-    return MODELS.map((m) => ({ id: `${this.name}:${m}`, name: m, driver: this.name, label: "ChatGPT (web)" }));
+    return [
+      {
+        id: `${this.name}:chat`,
+        name: "chat",
+        driver: this.name,
+        label: this.spec.label,
+        group: "arcaic",
+      },
+    ];
   }
 
   async chat(messages: ChatMessage[], opts: ChatOptions): Promise<string> {
     this.ensureEnabled();
     const t0 = Date.now();
     const text = await this.getEngine().send(flattenMessages(messages), {
+      site: this.spec.site,
       signal: opts.signal,
       fresh: true,
-      onLoginHint: () => driverLog(this.name, "login required — complete it inside the browser window"),
+      onLoginHint: () => driverLog(this.name, "session not ready — waiting for it inside the browser window"),
     });
     driverLog(this.name, `chat model=${opts.model} done: ${fmtBytes(text.length)} in ${fmtMs(Date.now() - t0)}`);
     return text;
@@ -133,9 +152,10 @@ export class PuppeteerOpenAIDriver implements LLMDriver {
     let jobDone = false;
     const job = this.getEngine()
       .send(flattenMessages(messages), {
+        site: this.spec.site,
         signal: opts.signal,
         fresh: true,
-        onLoginHint: () => driverLog(this.name, "login required — complete it inside the browser window"),
+        onLoginHint: () => driverLog(this.name, "session not ready — waiting for it inside the browser window"),
         onToken: (tok) => {
           chars += tok.length;
           opts.onToken?.(tok);
@@ -161,3 +181,15 @@ export class PuppeteerOpenAIDriver implements LLMDriver {
     driverLog(this.name, `chat model=${opts.model} done: ${fmtBytes(chars)} in ${fmtMs(Date.now() - t0)}`);
   }
 }
+
+export function createArcaicDrivers(): ArcaicSubDriver[] {
+  return SPECS.map((spec) => new ArcaicSubDriver(spec));
+}
+
+function resolveExecutable(): string {
+  const conf = config.arcaicExecutable;
+  if (conf.includes("/")) return conf;
+  const found = Bun.which(conf);
+  if (!found) throw new Error("Arcaic backend is not configured (browser executable missing) — contact the administrator");
+  return found;
+}
diff --git a/src/drivers/browser.ts b/src/drivers/browser.ts
index 27841da..418ea61 100644
--- a/src/drivers/browser.ts
+++ b/src/drivers/browser.ts
@@ -4,15 +4,72 @@ import { join } from "node:path";
 import type { Browser, Page } from "puppeteer-core";
 import { driverLog } from "./log.ts";
 
-export const CHATGPT_URL = "https://chatgpt.com/";
+export interface BrowserSite {
+  key: string;
+  url: string;
+  composer: string[];
+  submit: "button" | "enter";
+  sendButton?: string;
+  /** Completion signal (counted visible, before vs after send). */
+  copyButton: string;
+  /** Restrict the copy-button count to this container (excludes user messages). */
+  copyScope?: string;
+  /** Latest assistant message container (last match wins). */
+  messageContainer: string;
+  /** Answer-text nodes inside the container (joined); container innerText if unset. */
+  answer?: string;
+  /**
+   * How completion is detected. "copy-button": a newly visible copy control.
+   * "aria-busy": the response container reports aria-busy="false" (plus text).
+   */
+  completion?: "copy-button" | "aria-busy";
+  acceptTexts?: string[];
+}
 
-export const CHATGPT_SELECTORS = {
+export const OPENAI_SITE: BrowserSite = {
+  key: "openai",
+  url: "https://chatgpt.com/",
   composer: ["#mobile-composer-prompt", "#prompt-textarea", "div[contenteditable='true']"],
+  submit: "button",
   sendButton: "button[data-composer-submit]",
   copyButton: "button[data-copy-message]",
-  assistantMarkdown: "div[data-assistant-markdown]",
-  streamBlock: "[data-assistant-stream-block]",
-} as const;
+  messageContainer: "div[data-assistant-markdown]",
+  answer: "[data-assistant-stream-block]",
+  completion: "copy-button",
+};
+
+export const QWEN_SITE: BrowserSite = {
+  key: "qwen",
+  url: "https://chat.qwen.ai/",
+  composer: ["textarea.message-input-textarea", "textarea[placeholder='Ask Qwen']"],
+  submit: "enter",
+  copyButton: "button[aria-label='Copy']",
+  copyScope: ".qwen-chat-message-assistant",
+  messageContainer: ".qwen-chat-message-assistant",
+  answer: ".custom-qwen-markdown",
+  completion: "copy-button",
+};
+
+export const GEMINI_SITE: BrowserSite = {
+  key: "gemini",
+  url: "https://gemini.google.com/app",
+  composer: [
+    "div[aria-label='Enter a prompt for Gemini']",
+    "div.ql-editor[contenteditable='true']",
+    "[data-test-id='textarea-inner'] div[contenteditable='true']",
+  ],
+  submit: "enter",
+  copyButton: "button[aria-label='Copy']",
+  messageContainer: "structured-content-container",
+  answer: ".markdown",
+  completion: "aria-busy",
+};
+
+export const SITES: Record<string, BrowserSite> = {
+  openai: OPENAI_SITE,
+  qwen: QWEN_SITE,
+  gemini: GEMINI_SITE,
+};
 
 const sleep = (ms: number): Promise<void> => new Promise((r) => setTimeout(r, ms));
 
@@ -27,29 +84,30 @@ export interface ChatGPTBrowserOptions {
 }
 
 export interface ChatGPTSendCallbacks {
+  site: BrowserSite;
   signal?: AbortSignal;
   onToken?: (delta: string) => void;
   onLoginHint?: () => void;
-  /** Start a fresh conversation (goto CHATGPT_URL) before sending. */
+  /** Start a fresh conversation before sending. */
   fresh?: boolean;
 }
 
-/** Manual login grace period expired (no composer on the page). */
+/** Session not ready: the web UI never became interactive in time. */
 export class BrowserLoginError extends Error {
   constructor(timeoutMs: number) {
-    super(
-      `ChatGPT composer not available after ${Math.round(timeoutMs / 1000)}s — login required (run with PUPPETEER_HEADLESS=false and log in inside the window)`,
-    );
+    super(`Arcaic backend is not ready (no session after ${Math.round(timeoutMs / 1000)}s) — try again in a moment`);
     this.name = "BrowserLoginError";
   }
 }
 
 /**
- * Throwaway Firefox session driving chatgpt.com via puppeteer-core (WebDriver
- * BiDi). Each launch creates a fresh mkdtemp profile that is removed on
- * close(): zero persistence between runs. One engine = one browser + one tab.
+ * Throwaway Firefox session driving web-UI backends via puppeteer-core
+ * (WebDriver BiDi). Each launch creates a fresh mkdtemp profile that is
+ * removed on close(): zero persistence between runs. One engine = one
+ * browser + one tab; the per-send site config selects the target
+ * (chatgpt.com, chat.qwen.ai, gemini.google.com/app).
  */
-export class ChatGPTBrowserEngine {
+export class ArcaicBrowserEngine {
   private browser: Browser | null = null;
   private page: Page | null = null;
   private profileDir: string | null = null;
@@ -64,29 +122,34 @@ export class ChatGPTBrowserEngine {
     return this.browser !== null;
   }
 
-  async open(): Promise<void> {
-    if (this.browser) return;
+  async open(site: BrowserSite): Promise<void> {
     if (this.closed) throw new Error("engine already closed");
-    this.opening ??= this.launch().finally(() => {
-      this.opening = null;
-    });
-    await this.opening;
+    if (!this.browser) {
+      this.opening ??= this.launch().finally(() => {
+        this.opening = null;
+      });
+      await this.opening;
+    }
+    const page = this.requirePage();
+    if (!page.url().startsWith(site.url)) {
+      await this.gotoSite(page, site);
+      await this.dismissCookieBanner(page, site, 10_000);
+    }
   }
 
   /** One-shot state report (used by the POC probe mode). */
-  async probe(): Promise<{ title: string; url: string; composer: string | null }> {
-    await this.open();
+  async probe(site: BrowserSite): Promise<{ title: string; url: string; composer: string | null }> {
+    await this.open(site);
     const page = this.requirePage();
     await sleep(3000);
-    return { title: await page.title(), url: page.url(), composer: await this.findComposer() };
+    return { title: await page.title(), url: page.url(), composer: await this.findComposer(page, site) };
   }
 
   /**
    * Type a prompt into the composer, submit, stream the answer through
-   * onToken and resolve with the final text. Completion = a new
-   * "Copy response" button appearing. Serialized: one send at a time.
+   * onToken and resolve with the final text. Serialized: one send at a time.
    */
-  send(prompt: string, cb: ChatGPTSendCallbacks = {}): Promise<string> {
+  send(prompt: string, cb: ChatGPTSendCallbacks): Promise<string> {
     const task = this.chain
       .catch(() => undefined)
       .then(() => this.doSend(prompt, cb));
@@ -115,14 +178,14 @@ export class ChatGPTBrowserEngine {
     this.profileDir = null;
     if (dir) {
       await rm(dir, { recursive: true, force: true }).catch(() => undefined);
-      driverLog("chatgpt", `temporary profile removed (${dir})`);
+      driverLog("arcaic", `temporary profile removed (${dir})`);
     }
   }
 
   private async launch(): Promise<void> {
     const puppeteer = await import("puppeteer-core");
-    this.profileDir = await mkdtemp(join(tmpdir(), "ka-chatgpt-"));
-    driverLog("chatgpt", `launching firefox headless=${this.opts.headless} profile=${this.profileDir}`);
+    this.profileDir = await mkdtemp(join(tmpdir(), "ka-arcaic-"));
+    driverLog("arcaic", `launching firefox headless=${this.opts.headless} profile=${this.profileDir}`);
     const browser = await puppeteer.launch({
       browser: "firefox",
       executablePath: this.opts.executablePath,
@@ -135,51 +198,50 @@ export class ChatGPTBrowserEngine {
       if (this.browser === browser) {
         this.browser = null;
         this.page = null;
-        driverLog("chatgpt", "browser disconnected unexpectedly");
+        driverLog("arcaic", "browser disconnected unexpectedly");
       }
     });
     this.browser = browser;
     this.page = await browser.newPage();
-    await this.gotoChatGPT(this.page);
-    await this.dismissCookieBanner(this.page, 10_000);
   }
 
-  /** chatgpt.com intermittently stalls on domcontentloaded — retry a few times. */
-  private async gotoChatGPT(page: Page): Promise<void> {
+  /** Target site stalls on domcontentloaded sometimes — retry a few times. */
+  private async gotoSite(page: Page, site: BrowserSite): Promise<void> {
     let lastErr: unknown = null;
     for (let attempt = 1; attempt <= 3; attempt++) {
       try {
-        await page.goto(CHATGPT_URL, { waitUntil: "domcontentloaded", timeout: 60_000 });
+        await page.goto(site.url, { waitUntil: "domcontentloaded", timeout: 60_000 });
         return;
       } catch (e) {
         lastErr = e;
-        driverLog("chatgpt", `navigation failed (attempt ${attempt}/3): ${(e as Error).message}`);
+        driverLog("arcaic", `${site.key}: navigation failed (attempt ${attempt}/3): ${(e as Error).message}`);
         await sleep(3000);
       }
     }
-    throw lastErr instanceof Error ? lastErr : new Error("navigation to chatgpt.com failed");
+    throw lastErr instanceof Error ? lastErr : new Error("navigation to the Arcaic backend failed — try again");
   }
 
   /**
    * Fresh profile = cookie consent banner on first load. It swallows input
-   * until "Accept all" (button[type=submit], text) is clicked.
+   * until accepted.
    */
-  private async dismissCookieBanner(page: Page, waitMs: number): Promise<void> {
+  private async dismissCookieBanner(page: Page, site: BrowserSite, waitMs: number): Promise<void> {
+    const accept = site.acceptTexts ?? ["accept all", "accept"];
     const deadline = Date.now() + waitMs;
     for (;;) {
       const clicked = await page
-        .evaluate(() => {
+        .evaluate((texts: string[]) => {
           const btn = Array.from(document.querySelectorAll("button")).find((b) => {
             const t = (b.textContent ?? "").trim().toLowerCase();
-            return (t === "accept all" || t === "accept") && (b as HTMLElement).getClientRects().length > 0;
+            return texts.includes(t) && (b as HTMLElement).getClientRects().length > 0;
           });
           if (!btn) return false;
           (btn as HTMLElement).click();
           return true;
-        })
+        }, accept)
         .catch(() => false);
       if (clicked) {
-        driverLog("chatgpt", "cookie banner dismissed (Accept all)");
+        driverLog("arcaic", `${site.key}: cookie banner dismissed`);
         await sleep(800);
         return;
       }
@@ -190,6 +252,7 @@ export class ChatGPTBrowserEngine {
 
   private async doSend(prompt: string, cb: ChatGPTSendCallbacks): Promise<string> {
     if (this.closed) throw new Error("engine already closed");
+    const site = cb.site;
     const pollMs = this.opts.pollMs ?? 250;
     const ac = new AbortController();
     this.currentAbort = ac;
@@ -197,41 +260,59 @@ export class ChatGPTBrowserEngine {
     cb.signal?.addEventListener("abort", forward);
     const t0 = Date.now();
     try {
-      await this.open();
+      await this.open(site);
       const page = this.requirePage();
       if (cb.fresh) {
-        await this.gotoChatGPT(page);
-        await this.dismissCookieBanner(page, 1_500);
+        await this.gotoSite(page, site);
+        await this.dismissCookieBanner(page, site, 1_500);
       }
-      const composer = await this.waitForComposer(cb.onLoginHint);
-      const copyBefore = await this.countCopyButtons();
+      const composer = await this.waitForComposer(page, site, cb.onLoginHint);
+      const copyBefore = await this.countVisible(page, site);
       await this.typeIntoComposer(page, composer, prompt);
-      await this.waitSendable(page);
-      await page.click(CHATGPT_SELECTORS.sendButton);
-      driverLog("chatgpt", `sent ${prompt.length} chars via ${composer}, waiting for response`);
+      await this.submitMessage(page, site);
+      driverLog("arcaic", `${site.key}: sent ${prompt.length} chars via ${composer}, waiting for response`);
       let last = "";
+      let stableTicks = 0;
       const deadline = Date.now() + this.opts.responseTimeoutMs;
       for (;;) {
         if (ac.signal.aborted) {
-          await this.stopGenerating();
-          throw new DOMException("ChatGPT browser request aborted", "AbortError");
+          await this.stopGenerating(page, site);
+          throw new DOMException("Arcaic backend request aborted", "AbortError");
         }
-        const text = await this.readAssistantText();
-        if (text.startsWith(last) && text.length > last.length) {
-          const delta = text.slice(last.length);
-          last = text;
-          cb.onToken?.(delta);
+        const read = await this.readAnswer(page, site).catch(() => ({ text: "", busy: null as string | null }));
+        if (!read.text) {
+          stableTicks++;
+        } else if (read.text !== last) {
+          if (read.text.length > last.length && read.text.startsWith(last)) {
+            const delta = read.text.slice(last.length);
+            last = read.text;
+            cb.onToken?.(delta);
+          } else {
+            last = read.text;
+          }
+          stableTicks = 0;
+        } else {
+          stableTicks++;
         }
-        if ((await this.countCopyButtons()) > copyBefore) {
-          const finalText = await this.readAssistantText();
+        let signaled: boolean;
+        if (site.completion === "aria-busy") {
+          signaled =
+            read.busy === null
+              ? last.length > 0 && stableTicks >= 3
+              : last.length > 0 && read.busy !== "true";
+        } else {
+          signaled = (await this.countVisible(page, site)) > copyBefore;
+        }
+        if (signaled && stableTicks >= 1) {
+          const finalText = (await this.readAnswer(page, site).catch(() => null))?.text ?? "";
           if (finalText.length > last.length) cb.onToken?.(finalText.slice(last.length));
           const out = finalText.length ? finalText : last;
-          driverLog("chatgpt", `response complete: ${out.length} chars in ${fmtS(Date.now() - t0)}`);
+          driverLog("arcaic", `${site.key}: response complete: ${out.length} chars in ${fmtS(Date.now() - t0)}`);
           return out;
         }
         if (Date.now() > deadline) {
-          await this.stopGenerating();
-          throw new Error(`ChatGPT response timed out after ${Math.round(this.opts.responseTimeoutMs / 1000)}s`);
+          await this.stopGenerating(page, site);
+          throw new Error(`Arcaic backend timed out after ${Math.round(this.opts.responseTimeoutMs / 1000)}s — try again`);
         }
         await sleep(pollMs);
       }
@@ -241,12 +322,11 @@ export class ChatGPTBrowserEngine {
     }
   }
 
-  private async waitForComposer(hint?: () => void): Promise<string> {
-    const page = this.requirePage();
+  private async waitForComposer(page: Page, site: BrowserSite, hint?: () => void): Promise<string> {
     const deadline = Date.now() + this.opts.loginTimeoutMs;
     let hinted = false;
     for (;;) {
-      const sel = await this.findComposer();
+      const sel = await this.findComposer(page, site);
       if (sel) return sel;
       if (!hinted) {
         hinted = true;
@@ -257,10 +337,8 @@ export class ChatGPTBrowserEngine {
     }
   }
 
-  private async findComposer(): Promise<string | null> {
-    const page = this.page;
-    if (!page) return null;
-    for (const sel of CHATGPT_SELECTORS.composer) {
+  private async findComposer(page: Page, site: BrowserSite): Promise<string | null> {
+    for (const sel of site.composer) {
       try {
         if (await page.$(sel)) return sel;
       } catch {
@@ -272,7 +350,7 @@ export class ChatGPTBrowserEngine {
 
   private async typeIntoComposer(page: Page, sel: string, text: string): Promise<void> {
     const input = await page.$(sel);
-    if (!input) throw new Error(`composer ${sel} not found`);
+    if (!input) throw new Error("Arcaic backend session error — try again");
     await input.focus();
     const lines = text.split("\n");
     for (let i = 0; i < lines.length; i++) {
@@ -286,36 +364,76 @@ export class ChatGPTBrowserEngine {
     }
   }
 
-  private async waitSendable(page: Page): Promise<void> {
+  private async composerHasText(page: Page, sel: string): Promise<boolean> {
+    try {
+      const text = await page.$eval(sel, (el) => {
+        const v = (el as HTMLTextAreaElement).value;
+        if (typeof v === "string") return v;
+        return (el as HTMLElement).innerText ?? "";
+      });
+      return text.trim().length > 0;
+    } catch {
+      return false;
+    }
+  }
+
+  private async submitMessage(page: Page, site: BrowserSite): Promise<void> {
+    if (site.submit === "button" && site.sendButton) {
+      await this.waitSendable(page, site);
+      await page.click(site.sendButton);
+      return;
+    }
+    if (!(await this.composerHasText(page, site.composer[0]))) {
+      throw new Error("Arcaic backend is not responding (send failed) — try again");
+    }
+    await page.keyboard.press("Enter");
+  }
+
+  private async waitSendable(page: Page, site: BrowserSite): Promise<void> {
+    if (!site.sendButton) return;
+    const sendButton = site.sendButton;
     const deadline = Date.now() + 10_000;
     for (;;) {
       const ok = await page
-        .$eval(CHATGPT_SELECTORS.sendButton, (el) => {
+        .$eval(sendButton, (el) => {
           const b = el as HTMLButtonElement;
           return !b.disabled && b.getAttribute("aria-disabled") !== "true";
         })
         .catch(() => false);
       if (ok) return;
-      if (Date.now() > deadline) throw new Error("ChatGPT send button never became clickable");
+      if (Date.now() > deadline) throw new Error("Arcaic backend is not responding (send failed) — try again");
       await sleep(250);
     }
   }
 
-  private async stopGenerating(): Promise<void> {
-    const page = this.page;
-    if (!page) return;
+  private async stopGenerating(page: Page, site: BrowserSite): Promise<void> {
+    if (site.submit !== "button" || !site.sendButton) return;
     try {
-      await page.click(CHATGPT_SELECTORS.sendButton);
+      await page.click(site.sendButton);
     } catch {
       // button already back in send state — nothing to stop
     }
   }
 
-  private async countCopyButtons(): Promise<number> {
-    const page = this.page;
-    if (!page) return 0;
+  private async countVisible(page: Page, site: BrowserSite): Promise<number> {
     try {
-      return await page.$$eval(CHATGPT_SELECTORS.copyButton, (els) =>
+      if (site.copyScope) {
+        const scope = site.copyScope;
+        const sel = site.copyButton;
+        return await page.$$eval(
+          scope,
+          (els, s: string) => {
+            let n = 0;
+            for (const el of els) {
+              n += Array.from(el.querySelectorAll(s)).filter((b) => (b as HTMLElement).getClientRects().length > 0)
+                .length;
+            }
+            return n;
+          },
+          sel,
+        );
+      }
+      return await page.$$eval(site.copyButton, (els) =>
         els.filter((el) => (el as HTMLElement).getClientRects().length > 0).length,
       );
     } catch {
@@ -323,27 +441,28 @@ export class ChatGPTBrowserEngine {
     }
   }
 
-  private async readAssistantText(): Promise<string> {
-    const page = this.page;
-    if (!page) return "";
-    try {
-      return await page.$$eval(
-        CHATGPT_SELECTORS.assistantMarkdown,
-        (els, blockSel: string) => {
-          const last = els[els.length - 1];
-          if (!last) return "";
-          const blocks = Array.from(last.querySelectorAll(blockSel));
-          if (blocks.length === 0) return (last as HTMLElement).innerText;
-          return blocks
+  private async readAnswer(page: Page, site: BrowserSite): Promise<{ text: string; busy: string | null }> {
+    return await page.$$eval(
+      site.messageContainer,
+      (els, answerSel: string) => {
+        const last = els[els.length - 1];
+        if (!last) return { text: "", busy: null as string | null };
+        const el = last as HTMLElement;
+        const busyEl = el.querySelector("[aria-busy]");
+        const busy = busyEl ? busyEl.getAttribute("aria-busy") : null;
+        if (!answerSel) return { text: el.innerText ?? "", busy };
+        const parts = Array.from(el.querySelectorAll(answerSel));
+        if (parts.length === 0) return { text: el.innerText ?? "", busy };
+        return {
+          text: parts
             .map((b) => (b as HTMLElement).innerText.trim())
             .filter(Boolean)
-            .join("\n\n");
-        },
-        CHATGPT_SELECTORS.streamBlock,
-      );
-    } catch {
-      return "";
-    }
+            .join("\n\n"),
+          busy,
+        };
+      },
+      site.answer ?? "",
+    );
   }
 
   private requirePage(): Page {
diff --git a/src/drivers/registry.ts b/src/drivers/registry.ts
index 8c4b7e6..e129cc8 100644
--- a/src/drivers/registry.ts
+++ b/src/drivers/registry.ts
@@ -1,14 +1,25 @@
 import { AnthropicDriver, DeepSeekDriver, GlmDriver, MistralDriver, OpenAIDriver } from "./apis.ts";
 import { OllamaDriver } from "./ollama.ts";
-import { PuppeteerOpenAIDriver } from "./puppeteer.ts";
+import { createArcaicDrivers } from "./arcaic.ts";
 import type { DriverModel, LLMDriver } from "./types.ts";
 
 /**
  * Global driver priority (per spec):
- *   1. ollama (local) -> 2. mistral -> 3. glm -> 4. puppeteer-openai (stub)
- *   -> 5. deepseek -> 6. anthropic -> 7. openai
+ *   1. ollama (local) -> 2. mistral -> 3. glm
+ *   -> 4. arcaic-openai -> 5. arcaic-gemini -> 6. arcaic-qwen
+ *   -> 7. deepseek -> 8. anthropic -> 9. openai
  */
-const PRIORITY = ["ollama", "mistral", "glm", "puppeteer-openai", "deepseek", "anthropic", "openai"];
+const PRIORITY = [
+  "ollama",
+  "mistral",
+  "glm",
+  "arcaic-openai",
+  "arcaic-gemini",
+  "arcaic-qwen",
+  "deepseek",
+  "anthropic",
+  "openai",
+];
 
 /** How long the user-facing model list stays in memory before re-hitting upstream. */
 export const MODEL_CACHE_TTL_MS = 60_000;
@@ -26,7 +37,7 @@ export class DriverRegistry {
       new OllamaDriver(),
       new MistralDriver(),
       new GlmDriver(),
-      new PuppeteerOpenAIDriver(),
+      ...createArcaicDrivers(),
       new DeepSeekDriver(),
       new AnthropicDriver(),
       new OpenAIDriver(),
diff --git a/src/drivers/types.ts b/src/drivers/types.ts
index 1bb78aa..c2addaf 100644
--- a/src/drivers/types.ts
+++ b/src/drivers/types.ts
@@ -11,6 +11,8 @@ export interface DriverModel {
   /** Driver name, e.g. "ollama" */
   driver: string;
   label: string;
+  /** Display category in the model picker (defaults to `driver`). */
+  group?: string;
 }
 
 export interface ChatOptions {