diff --git a/docs/sw.js b/docs/sw.js
index 633dd24..8b13789 100644
--- a/docs/sw.js
+++ b/docs/sw.js
@@ -1,244 +1 @@
-const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
-const THREADS_KEY = "threads_v1";
-const SAVE_BYTES_THRESHOLD = 6 * 1024;
-const SAVE_TIME_THRESHOLD = 800;
-const BROADCAST_THROTTLE_MS = 600;
-const DB_NAME = "localforage";
-const STORE_NAME = "keyvaluepairs";
-const gid = () => Math.random().toString(36).slice(2, 9) + "-" + Date.now().toString(36);
-const now = () => Date.now();
-function openLFDB() {
-  return new Promise((resolve, reject) => {
-    const req = indexedDB.open(DB_NAME);
-    req.onsuccess = (e) => resolve(e.target.result);
-    req.onerror = (e) => reject(e.target.error || new Error("open error"));
-  });
-}
-async function idbGetRaw(key) {
-  const db = await openLFDB();
-  const tx = db.transaction(STORE_NAME, "readonly");
-  const store = tx.objectStore(STORE_NAME);
-  return await new Promise((res, rej) => {
-    const r = store.get(key);
-    r.onsuccess = (ev) => res(ev.target.result);
-    r.onerror = (ev) => rej(ev.target.error || new Error("get error"));
-  });
-}
-async function idbPutRaw(key, value) {
-  const db = await openLFDB();
-  const tx = db.transaction(STORE_NAME, "readwrite");
-  const store = tx.objectStore(STORE_NAME);
-  return await new Promise((res, rej) => {
-    const r = store.put({ key, value });
-    r.onsuccess = () => res(true);
-    r.onerror = (ev) => rej(ev.target.error || new Error("put error"));
-  });
-}
-async function idbGetThreads() {
-  const rec = await idbGetRaw(THREADS_KEY).catch((err) => {
-    throw err;
-  });
-  if (!rec) return [];
-  return Array.isArray(rec.value) ? rec.value : [];
-}
-async function idbWriteThreads(arr) {
-  await idbPutRaw(THREADS_KEY, arr);
-}
-function pickLastThread(threads) {
-  if (!threads || threads.length === 0) return null;
-  const sorted = [...threads].sort((a, b) => (b.updatedAt || 0) - (a.updatedAt || 0));
-  return sorted[0];
-}
-function upsertAssistantInThreadObj(threadObj, streamId, text) {
-  threadObj.updatedAt = now();
-  for (let i = threadObj.messages.length - 1; i >= 0; i--) {
-    const m = threadObj.messages[i];
-    if (m && m.sw_streamId === streamId) {
-      m.content = text;
-      m.contentParts = [{ type: "text", text }];
-      m.updatedAt = now();
-      m._sw_savedAt = now();
-      return threadObj;
-    }
-  }
-  const msg = {
-    id: "swmsg-" + gid(),
-    role: "assistant",
-    content: text,
-    contentParts: [{ type: "text", text }],
-    kind: "assistant",
-    sw_saved: true,
-    sw_streamId: streamId,
-    createdAt: now(),
-    updatedAt: now(),
-    _sw_savedAt: now()
-  };
-  threadObj.messages.push(msg);
-  return threadObj;
-}
-async function safeFlushLastThread(streamId, accumulated, meta = {}) {
-  const threads = await idbGetThreads();
-  let thread = pickLastThread(threads);
-  const ts = now();
-  if (!thread) {
-    thread = { id: "sw-thread-" + gid(), title: "Missed while backgrounded", pinned: false, updatedAt: ts, messages: [] };
-    threads.unshift(thread);
-  }
-  upsertAssistantInThreadObj(thread, streamId, accumulated);
-  await idbWriteThreads(threads);
-  return { ok: true, threadId: thread.id };
-}
-async function broadcast(msg) {
-  try {
-    const cl = await self.clients.matchAll({ includeUncontrolled: true, type: "window" });
-    for (const c of cl) {
-      try {
-        c.postMessage(msg);
-      } catch (_) {
-      }
-    }
-  } catch (_) {
-  }
-}
-self.addEventListener("install", (ev) => self.skipWaiting());
-self.addEventListener("activate", (ev) => ev.waitUntil(self.clients.claim()));
-self.addEventListener("fetch", (event) => {
-  try {
-    const url = String(event.request.url || "");
-    if (!url.includes(TARGET_SUBSTRING)) return;
-    event.respondWith((async () => {
-      const upstream = await fetch(event.request);
-      if (!upstream || !upstream.body) return upstream;
-      const streamId = "sw-" + gid();
-      const meta = { url, startedAt: now(), bytes: 0, status: "started" };
-      broadcast({ type: "sw-intercept-start", streamId, meta });
-      const [clientStream, swStream] = upstream.body.tee();
-      const savePromise = (async () => {
-        const reader = swStream.getReader();
-        const decoder = new TextDecoder("utf-8");
-        let accumulated = "";
-        let sinceSaveBytes = 0;
-        let lastSaveAt = 0;
-        let lastBroadcastAt = 0;
-        async function maybeFlush(force = false) {
-          try {
-            const nowMs = now();
-            if (!force && sinceSaveBytes < SAVE_BYTES_THRESHOLD && nowMs - lastSaveAt < SAVE_TIME_THRESHOLD) return;
-            await safeFlushLastThread(streamId, accumulated, { bytes: meta.bytes });
-            sinceSaveBytes = 0;
-            lastSaveAt = nowMs;
-            if (nowMs - lastBroadcastAt > BROADCAST_THROTTLE_MS) {
-              lastBroadcastAt = nowMs;
-              broadcast({ type: "sw-intercept-progress", streamId, meta: { bytes: meta.bytes, savedAt: lastSaveAt, snippet: accumulated.slice(-1024) } });
-            }
-          } catch (err) {
-            broadcast({ type: "sw-intercept-error", streamId, meta: { error: String(err && err.message ? err.message : err) } });
-          }
-        }
-        try {
-          while (true) {
-            const { value, done } = await reader.read();
-            if (done) break;
-            let chunk = "";
-            try {
-              chunk = decoder.decode(value, { stream: true });
-            } catch (e) {
-              chunk = "";
-            }
-            accumulated += chunk;
-            const bytes = value ? value.byteLength || 0 : chunk.length;
-            meta.bytes += bytes;
-            sinceSaveBytes += bytes;
-            await maybeFlush(false);
-          }
-          await maybeFlush(true);
-          meta.status = "finished";
-          meta.endedAt = now();
-          broadcast({ type: "sw-intercept-end", streamId, meta: { totalBytes: meta.bytes, endedAt: meta.endedAt } });
-        } catch (err) {
-          meta.status = "error";
-          meta.error = String(err && err.message ? err.message : err);
-          broadcast({ type: "sw-intercept-error", streamId, meta: { error: meta.error } });
-        }
-      })();
-      event.waitUntil(savePromise);
-      return new Response(clientStream, { status: upstream.status, statusText: upstream.statusText, headers: upstream.headers });
-    })());
-  } catch (err) {
-    broadcast({ type: "sw-debug", text: "fetch handler error: " + String(err && err.message ? err.message : err) });
-  }
-});
-self.addEventListener("message", (event) => {
-  const data = event.data || {};
-  (async () => {
-    try {
-      if (data.type === "PING") {
-        if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "PONG", ts: now(), ok: true });
-        else broadcast({ type: "PONG", ts: now(), ok: true });
-        return;
-      }
-      if (data.type === "PING_STATUS") {
-        const reply = { type: "PONG_STATUS", ts: now() };
-        if (event.ports && event.ports[0]) event.ports[0].postMessage(reply);
-        else broadcast(reply);
-        return;
-      }
-      if (data.type === "TEST_WRITE") {
-        try {
-          const threads = await idbGetThreads();
-          const tid = "sw-test-" + gid();
-          const nowMs = now();
-          const testThread = { id: tid, title: "SW test " + new Date(nowMs).toISOString(), pinned: false, updatedAt: nowMs, messages: [{ id: "swtest-" + gid(), role: "assistant", content: "sw test write @" + new Date(nowMs).toISOString(), contentParts: [{ type: "text", text: "sw test write" }], createdAt: nowMs, updatedAt: nowMs }] };
-          threads.unshift(testThread);
-          await idbWriteThreads(threads);
-          const res = { type: "TEST_WRITE_RESULT", ok: true, tid };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        } catch (err) {
-          const res = { type: "TEST_WRITE_RESULT", ok: false, error: String(err && err.message ? err.message : err) };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        }
-        return;
-      }
-      if (data.type === "READ_KEY") {
-        const key = data.key || THREADS_KEY;
-        try {
-          const rec = await idbGetRaw(key);
-          const val = rec ? rec.value : null;
-          const res = { type: "READ_KEY_RESULT", ok: true, key, value: val };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        } catch (err) {
-          const res = { type: "READ_KEY_RESULT", ok: false, key, error: String(err && err.message ? err.message : err) };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        }
-        return;
-      }
-      if (data.type === "LIST_SW_SAVED") {
-        try {
-          const threads = await idbGetThreads();
-          const found = [];
-          for (const t of threads || []) {
-            for (const m of t.messages || []) {
-              if (m && m.sw_streamId) found.push({ threadId: t.id, messageId: m.id, sw_streamId: m.sw_streamId, snippet: (m.content || "").slice(0, 200) });
-            }
-          }
-          const res = { type: "LIST_SW_SAVED_RESULT", ok: true, found };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        } catch (err) {
-          const res = { type: "LIST_SW_SAVED_RESULT", ok: false, error: String(err && err.message ? err.message : err) };
-          if (event.ports && event.ports[0]) event.ports[0].postMessage(res);
-          else broadcast(res);
-        }
-        return;
-      }
-    } catch (err) {
-      const r = { type: "SW_ERROR", error: String(err && err.message ? err.message : err) };
-      if (event.ports && event.ports[0]) event.ports[0].postMessage(r);
-      else broadcast(r);
-    }
-  })();
-});
+