mirror of
https://github.com/multipleof4/sune.git
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This build was committed by a bot.
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github-actions
250
docs/sw.js
250
docs/sw.js
@@ -1,18 +1,16 @@
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importScripts("https://cdn.jsdelivr.net/npm/localforage@1.10.0/dist/localforage.min.js");
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const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
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const THREADS_KEY = "threads_v1";
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const BUFFER_SAVE_BYTES = 32 * 1024;
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const SAVE_INTERVAL_MS = 2e3;
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const TARGET_SUBSTRING = "openrouter.ai/api/v1/chat/completions";
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const LOG = (...a) => {
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console.log("[sw-debug]", ...a);
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};
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const gid = () => Math.random().toString(36).slice(2, 9) + "-" + Date.now().toString(36);
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function now() {
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return Date.now();
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}
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async function readThreads() {
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try {
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const v = await localforage.getItem(THREADS_KEY);
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return Array.isArray(v) ? v : [];
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} catch (e) {
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console.error("sw: idb read error", e);
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LOG("readThreads err", e);
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return [];
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}
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}
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@@ -20,47 +18,40 @@ async function writeThreads(arr) {
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try {
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await localforage.setItem(THREADS_KEY, arr);
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} catch (e) {
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console.error("sw: idb write error", e);
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LOG("writeThreads err", e);
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throw e;
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}
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}
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function pickThread(threads) {
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if (!threads || threads.length === 0) return null;
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if (!threads || !threads.length) return null;
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threads.sort((a, b) => (b.updatedAt || 0) - (a.updatedAt || 0));
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return threads[0];
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}
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async function upsertStreamMessage(streamId, text, meta = {}) {
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const threads = await readThreads();
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let th = pickThread(threads);
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const createdNow = now();
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const now = Date.now();
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if (!th) {
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th = {
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id: "sw-" + gid(),
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title: "Missed while backgrounded",
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pinned: false,
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updatedAt: createdNow,
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messages: []
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};
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th = { id: "sw-" + gid(), title: "Missed while backgrounded", pinned: false, updatedAt: now, messages: [] };
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threads.unshift(th);
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}
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let msgIndex = -1;
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for (let i = th.messages.length - 1; i >= 0; i--) {
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const m = th.messages[i];
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if (m && m.sw_streamId === streamId) {
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if (th.messages[i] && th.messages[i].sw_streamId === streamId) {
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msgIndex = i;
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break;
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}
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}
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const contentParts = [{ type: "text", text }];
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if (msgIndex >= 0) {
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const existing = th.messages[msgIndex];
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existing.content = text;
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existing.contentParts = contentParts;
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existing.updatedAt = createdNow;
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existing._sw_lastSave = createdNow;
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existing._sw_meta = Object.assign({}, existing._sw_meta || {}, meta);
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const ex = th.messages[msgIndex];
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ex.content = text;
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ex.contentParts = contentParts;
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ex.updatedAt = now;
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ex._sw_lastSave = now;
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ex._sw_meta = Object.assign({}, ex._sw_meta || {}, meta);
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} else {
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const msg = {
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th.messages.push({
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id: "swmsg-" + gid(),
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role: "assistant",
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content: text,
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@@ -68,13 +59,12 @@ async function upsertStreamMessage(streamId, text, meta = {}) {
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kind: "assistant",
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sw_saved: true,
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sw_streamId: streamId,
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createdAt: createdNow,
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updatedAt: createdNow,
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_sw_meta: Object.assign({}, meta)
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};
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th.messages.push(msg);
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createdAt: now,
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updatedAt: now,
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_sw_meta: meta
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});
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}
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th.updatedAt = createdNow;
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th.updatedAt = now;
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await writeThreads(threads);
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return { threadId: th.id };
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}
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@@ -85,20 +75,37 @@ async function finalizeStream(streamId, meta = {}) {
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for (let i = th.messages.length - 1; i >= 0; i--) {
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const m = th.messages[i];
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if (m && m.sw_streamId === streamId) {
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m._sw_meta = Object.assign({}, m._sw_meta || {}, meta, { completeAt: now() });
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m.updatedAt = now();
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th.updatedAt = now();
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m._sw_meta = Object.assign({}, m._sw_meta || {}, meta, { completeAt: Date.now() });
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m.updatedAt = Date.now();
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th.updatedAt = Date.now();
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break;
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}
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}
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await writeThreads(threads);
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const clientsList = await self.clients.matchAll({ includeUncontrolled: true, type: "window" });
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clientsList.forEach((c) => {
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for (const c of clientsList) {
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try {
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c.postMessage({ type: "stream-saved", streamId, meta });
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} catch (e) {
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}
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});
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}
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}
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async function listSwStreams() {
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const threads = await readThreads();
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const found = [];
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for (const t of threads || []) {
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for (const m of t.messages || []) {
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if (m && m.sw_streamId) found.push({
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threadId: t.id,
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threadTitle: t.title,
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messageId: m.id,
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sw_streamId: m.sw_streamId,
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snippet: (m.content || "").slice(0, 200),
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updatedAt: m.updatedAt
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});
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}
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}
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return found;
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}
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async function notifyClients(msg) {
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try {
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@@ -110,118 +117,117 @@ async function notifyClients(msg) {
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}
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}
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} catch (e) {
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LOG("notifyClients err", e);
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}
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}
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self.addEventListener("install", (e) => {
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self.skipWaiting();
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});
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self.addEventListener("activate", (e) => {
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e.waitUntil(self.clients.claim());
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});
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self.addEventListener("fetch", (event) => {
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try {
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const url = event.request.url || "";
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if (!url.includes(TARGET_SUBSTRING)) {
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return;
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}
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const reqUrl = event.request.url || "";
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if (new URL(reqUrl).pathname === "/__sw_tee_test") {
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event.respondWith((async () => {
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const upstream = await fetch(event.request);
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if (!upstream || !upstream.body) return upstream;
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const streamId = "swstream-" + gid();
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const headers = new Headers(upstream.headers);
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const [clientStream, swStream] = upstream.body.tee();
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const savePromise = (async () => {
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try {
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const reader = swStream.getReader();
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const dec = new TextDecoder("utf-8");
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let bufferText = "";
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let bufferedBytes = 0;
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let lastSaveAt = 0;
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const saveIfNeeded = async (force = false) => {
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const nowMs = Date.now();
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if (!force && bufferedBytes < BUFFER_SAVE_BYTES && nowMs - lastSaveAt < SAVE_INTERVAL_MS) return;
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try {
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await upsertStreamMessage(streamId, bufferText, { partialBytes: bufferedBytes, savedAt: Date.now() });
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lastSaveAt = nowMs;
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} catch (e) {
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console.error("sw: upsert save error", e);
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const probeId = new URL(reqUrl).searchParams.get("probeId") || gid();
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LOG("Received tee-test probe", probeId);
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const encoder = new TextEncoder();
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const stream = new ReadableStream({
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start(ctrl) {
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let count = 0;
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const id = setInterval(() => {
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count++;
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const chunk = `probe(${probeId}) chunk ${count}
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`;
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ctrl.enqueue(encoder.encode(chunk));
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if (count >= 6) {
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clearInterval(id);
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ctrl.close();
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}
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};
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}, 300);
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}
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});
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const [clientBranch, swBranch] = stream.tee();
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(async () => {
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try {
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const reader = swBranch.getReader();
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const dec = new TextDecoder("utf-8");
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let collected = "";
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let bytes = 0;
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while (true) {
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const { value, done } = await reader.read();
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if (done) break;
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const chunkText = dec.decode(value, { stream: true });
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bufferText += chunkText;
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bufferedBytes += value && value.byteLength ? value.byteLength : chunkText.length;
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await saveIfNeeded(false);
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collected += chunkText;
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bytes += value && value.byteLength ? value.byteLength : chunkText.length;
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await upsertStreamMessage("probe-" + probeId, collected, { probeId, bytesSoFar: bytes });
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await notifyClients({ type: "tee-probe-chunk", probeId, bytes, snippet: chunkText.slice(0, 200) });
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}
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await saveIfNeeded(true);
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await finalizeStream(streamId, { totalBytes: bufferedBytes });
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await finalizeStream("probe-" + probeId, { totalBytes: bytes, probeId });
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LOG("tee-probe: save complete", probeId, "bytes", bytes);
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await notifyClients({ type: "tee-probe-complete", probeId, totalBytes: bytes });
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} catch (err) {
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console.error("sw: error saving stream", err);
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try {
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await finalizeStream(streamId, { error: String(err) });
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} catch (e) {
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}
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LOG("tee-probe save error", err);
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await notifyClients({ type: "tee-probe-error", probeId, error: String(err) });
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}
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})();
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event.waitUntil(savePromise);
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return new Response(clientStream, {
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status: upstream.status,
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statusText: upstream.statusText,
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headers
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});
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return new Response(clientBranch, { status: 200, headers: { "Content-Type": "text/plain; charset=utf-8" } });
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})());
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} catch (err) {
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console.error("sw: fetch handler error", err);
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return;
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}
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if (reqUrl.includes(TARGET_SUBSTRING)) {
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event.respondWith(fetch(event.request));
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return;
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}
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});
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self.addEventListener("message", (event) => {
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const data = event.data || {};
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try {
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if (data && data.type === "PING") {
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if (event.ports && event.ports[0]) {
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try {
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event.ports[0].postMessage({ type: "PONG", ts: Date.now(), ok: true });
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} catch (e) {
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}
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} else {
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if (event.source && typeof event.source.postMessage === "function") {
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try {
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event.source.postMessage({ type: "PONG", ts: Date.now(), ok: true });
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} catch (e) {
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}
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} else {
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notifyClients({ type: "PONG", ts: Date.now(), ok: true });
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}
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}
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return;
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}
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if (data && data.type === "list-sw-streams") {
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(async () => {
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const threads = await readThreads();
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const found = [];
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for (const t of threads || []) {
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for (const m of t.messages || []) {
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if (m && m.sw_streamId) found.push({ threadId: t.id, threadTitle: t.title, messageId: m.id, sw_streamId: m.sw_streamId, summary: (m.content || "").slice(0, 200), updatedAt: m.updatedAt });
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}
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}
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const streams = await listSwStreams();
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const info = {
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type: "PONG",
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ts: Date.now(),
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ok: true,
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canTeeProbe: true,
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savedStreamCount: streams.length,
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lastSaved: streams[0] || null
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};
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if (event.ports && event.ports[0]) {
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event.ports[0].postMessage({ type: "sw-streams-list", streams: found });
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event.ports[0].postMessage(info);
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} else if (event.source && typeof event.source.postMessage === "function") {
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event.source.postMessage({ type: "sw-streams-list", streams: found });
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event.source.postMessage(info);
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} else {
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notifyClients({ type: "sw-streams-list", streams: found });
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await notifyClients(info);
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}
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})();
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return;
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}
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} catch (e) {
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console.error("sw: message handler error", e);
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if (data && data.type === "list-sw-streams") {
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(async () => {
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const streams = await listSwStreams();
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const payload = { type: "sw-streams-list", streams };
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if (event.ports && event.ports[0]) event.ports[0].postMessage(payload);
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else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage(payload);
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else await notifyClients(payload);
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})();
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return;
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}
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if (data && data.type === "run-tee-probe" && data.probeId) {
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(async () => {
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try {
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const probeUrl = "/__sw_tee_test?probeId=" + encodeURIComponent(data.probeId);
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if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
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else if (event.source && typeof event.source.postMessage === "function") event.source.postMessage({ type: "run-tee-probe-ok", probeId: data.probeId, probeUrl });
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} catch (e) {
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if (event.ports && event.ports[0]) event.ports[0].postMessage({ type: "run-tee-probe-error", error: String(e) });
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}
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})();
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return;
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}
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} catch (err) {
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LOG("message handler error", err);
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}
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});
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self.addEventListener("install", (event) => {
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self.skipWaiting();
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil((async () => {
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try {
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await self.clients.claim();
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} catch (e) {
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}
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})());
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});
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