feat: rebuild xiteng.site homelab platform

chat/public/favicon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><rect width="64" height="64" rx="18" fill="#171717"/><path d="M17 20h30v20H31l-9 8v-8h-5z" fill="#fff"/><circle cx="25" cy="30" r="2" fill="#171717"/><circle cx="32" cy="30" r="2" fill="#171717"/><circle cx="39" cy="30" r="2" fill="#171717"/></svg>

chat/public/manifest.webmanifest

@@ -0,0 +1,18 @@
+{
+  "name": "Xiteng Chat",
+  "short_name": "Chat",
+  "description": "使用个人 Key Vault 凭据的轻量 AI 对话界面",
+  "start_url": "/",
+  "scope": "/",
+  "display": "standalone",
+  "background_color": "#f4f4f0",
+  "theme_color": "#171717",
+  "orientation": "any",
+  "lang": "zh-CN",
+  "categories": ["productivity", "utilities"],
+  "icons": [
+    {"src": "/icons/icon-192.png", "sizes": "192x192", "type": "image/png"},
+    {"src": "/icons/icon-512.png", "sizes": "512x512", "type": "image/png"},
+    {"src": "/icons/icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable"}
+  ]
+}

chat/public/sw.js

@@ -0,0 +1,49 @@
+const cacheName = "xiteng-chat-shell-v4";
+const shellAssets = [
+  "/",
+  "/manifest.webmanifest",
+  "/favicon.svg",
+  "/icons/icon-192.png",
+  "/icons/icon-512.png",
+  "/icons/icon-maskable-512.png",
+  "/icons/apple-touch-icon.png"
+];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(caches.open(cacheName).then(async (cache) => {
+    for (const asset of shellAssets) {
+      try {
+        const response = await fetch(asset, {cache: "reload"});
+        if (response.ok) await cache.put(asset, response);
+      } catch {}
+    }
+  }).then(() => self.skipWaiting()));
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(caches.keys()
+    .then((keys) => Promise.all(keys.filter((key) => key !== cacheName).map((key) => caches.delete(key))))
+    .then(() => self.clients.claim()));
+});
+
+self.addEventListener("fetch", (event) => {
+  const request = event.request;
+  if (request.method !== "GET") return;
+  const url = new URL(request.url);
+  if (url.origin !== self.location.origin || url.pathname.startsWith("/api/") || url.pathname.startsWith("/outpost.goauthentik.io/")) return;
+
+  if (request.mode === "navigate") {
+    event.respondWith(fetch(request).then((response) => {
+      if (response.ok) caches.open(cacheName).then((cache) => cache.put("/", response.clone()));
+      return response;
+    }).catch(async () => (await caches.match("/")) || Response.error()));
+    return;
+  }
+
+  if (shellAssets.includes(url.pathname) || /\.(?:js|css|png|svg|ico|webmanifest)$/.test(url.pathname)) {
+    event.respondWith(caches.match(request).then((cached) => cached || fetch(request).then((response) => {
+      if (response.ok) caches.open(cacheName).then((cache) => cache.put(request, response.clone()));
+      return response;
+    })));
+  }
+});