feat(chat): auth, first-run email, Web Push notifications

chat-ui/index.html

@@ -6,6 +6,12 @@
     <meta name="color-scheme" content="light dark" />
     <title>Phantom</title>
     <link rel="icon" href="/chat/favicon.svg" type="image/svg+xml" />
+    <link rel="manifest" href="/chat/manifest.webmanifest" />
+    <link rel="apple-touch-icon" href="/chat/favicon.svg" />
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="default" />
+    <meta name="apple-mobile-web-app-title" content="Phantom" />
+    <meta name="theme-color" content="#4850c4" />
     <link
       rel="preload"
       href="/chat/fonts/inter-var-latin.woff2"

chat-ui/public/manifest.webmanifest

@@ -2,6 +2,7 @@
   "name": "Phantom",
   "short_name": "Phantom",
   "description": "Phantom AI co-worker",
+  "id": "/chat/",
   "start_url": "/chat/",
   "scope": "/chat/",
   "display": "standalone",
@@ -11,7 +12,8 @@
     {
       "src": "/chat/favicon.svg",
       "sizes": "any",
-      "type": "image/svg+xml"
+      "type": "image/svg+xml",
+      "purpose": "any"
     }
   ]
 }

chat-ui/public/sw.js

@@ -0,0 +1,145 @@
+// Phantom chat Service Worker
+// Scope: /chat/
+// Handles offline caching for static assets and push notification display.
+// Never intercepts /ui/* paths or SSE streams.
+
+const VERSION = "0.1.0";
+const SHELL_CACHE = "phantom-chat-shell-" + VERSION;
+
+self.addEventListener("install", function (event) {
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", function (event) {
+  event.waitUntil(
+    caches
+      .keys()
+      .then(function (keys) {
+        return Promise.all(
+          keys
+            .filter(function (k) {
+              return k.startsWith("phantom-chat-") && k !== SHELL_CACHE;
+            })
+            .map(function (k) {
+              return caches.delete(k);
+            }),
+        );
+      })
+      .then(function () {
+        return self.clients.claim();
+      }),
+  );
+});
+
+self.addEventListener("fetch", function (event) {
+  var url = new URL(event.request.url);
+
+  // Never intercept requests outside chat scope
+  if (!url.pathname.startsWith("/chat/")) return;
+
+  // Never intercept the SW script itself
+  if (url.pathname === "/chat/sw.js") return;
+
+  // Never intercept SSE stream
+  if (url.pathname === "/chat/stream") return;
+
+  // API calls: let the browser handle normally (no SW interception)
+  if (
+    url.pathname.startsWith("/chat/push/") ||
+    url.pathname === "/chat/bootstrap" ||
+    url.pathname === "/chat/sessions" ||
+    url.pathname.startsWith("/chat/sessions/") ||
+    url.pathname.startsWith("/chat/events/") ||
+    url.pathname === "/chat/focus"
+  ) {
+    return;
+  }
+
+  // Static assets: cache-first with background revalidation
+  if (
+    url.pathname.startsWith("/chat/assets/") ||
+    url.pathname.startsWith("/chat/fonts/")
+  ) {
+    event.respondWith(
+      caches.match(event.request).then(function (cached) {
+        if (cached) {
+          fetch(event.request)
+            .then(function (res) {
+              if (res.ok) {
+                caches.open(SHELL_CACHE).then(function (c) {
+                  c.put(event.request, res);
+                });
+              }
+            })
+            .catch(function () {});
+          return cached;
+        }
+        return fetch(event.request).then(function (res) {
+          if (res.ok && res.type === "basic") {
+            var clone = res.clone();
+            caches.open(SHELL_CACHE).then(function (c) {
+              c.put(event.request, clone);
+            });
+          }
+          return res;
+        });
+      }),
+    );
+    return;
+  }
+});
+
+self.addEventListener("push", function (event) {
+  var data = {};
+  if (event.data) {
+    try {
+      data = event.data.json();
+    } catch (e) {
+      data = { body: event.data.text() };
+    }
+  }
+  var title = data.title || "Phantom";
+  var options = {
+    body: data.body || "",
+    icon: "/chat/favicon.svg",
+    badge: "/chat/favicon.svg",
+    tag: data.tag,
+    data: data.data || {},
+    requireInteraction: data.requireInteraction || false,
+    silent: data.silent || false,
+  };
+  event.waitUntil(self.registration.showNotification(title, options));
+});
+
+self.addEventListener("notificationclick", function (event) {
+  event.notification.close();
+  var target = (event.notification.data && event.notification.data.url) || "/chat/";
+  event.waitUntil(
+    self.clients
+      .matchAll({ type: "window", includeUncontrolled: true })
+      .then(function (clientsList) {
+        for (var i = 0; i < clientsList.length; i++) {
+          var client = clientsList[i];
+          if (
+            client.url.startsWith(self.location.origin) &&
+            "focus" in client
+          ) {
+            client.focus();
+            client.postMessage({
+              type: "notification-click",
+              url: target,
+              data: event.notification.data,
+            });
+            return;
+          }
+        }
+        return self.clients.openWindow(target);
+      }),
+  );
+});
+
+self.addEventListener("message", function (event) {
+  if (event.data && event.data.type === "SKIP_WAITING") {
+    self.skipWaiting();
+  }
+});

chat-ui/src/components/ios-install-banner.tsx

@@ -0,0 +1,79 @@
+// iOS Safari install banner. Detects iOS Safari not-standalone mode and
+// shows guidance to use Share > Add to Home Screen. Dismissible with
+// localStorage persistence (7 days).
+
+import { useCallback, useState } from "react";
+import { Button } from "@/ui/button";
+
+const DISMISS_KEY = "phantom_ios_install_dismissed_at";
+const DISMISS_DURATION_MS = 7 * 24 * 60 * 60 * 1000; // 7 days
+
+function isIosSafari(): boolean {
+  if (typeof navigator === "undefined") return false;
+  const ua = navigator.userAgent;
+  const isIos =
+    /iPad|iPhone|iPod/.test(ua) ||
+    (ua.includes("Mac") && "ontouchend" in document);
+  const isSafari = /Safari/.test(ua) && !/CriOS|FxiOS|EdgiOS/.test(ua);
+  return isIos && isSafari;
+}
+
+function isStandalone(): boolean {
+  if (typeof window === "undefined") return false;
+  return (
+    window.matchMedia("(display-mode: standalone)").matches ||
+    ("standalone" in navigator && (navigator as Record<string, unknown>).standalone === true)
+  );
+}
+
+function isDismissed(): boolean {
+  try {
+    const raw = localStorage.getItem(DISMISS_KEY);
+    if (!raw) return false;
+    const dismissedAt = Number(raw);
+    return Date.now() - dismissedAt < DISMISS_DURATION_MS;
+  } catch {
+    return false;
+  }
+}
+
+export function IosInstallBanner() {
+  const [dismissed, setDismissed] = useState(isDismissed);
+
+  const handleDismiss = useCallback(() => {
+    try {
+      localStorage.setItem(DISMISS_KEY, String(Date.now()));
+    } catch {
+      // localStorage unavailable
+    }
+    setDismissed(true);
+  }, []);
+
+  if (!isIosSafari() || isStandalone() || dismissed) {
+    return null;
+  }
+
+  return (
+    <div className="mx-auto mb-3 flex w-full max-w-2xl items-center gap-3 rounded-lg border border-border bg-card px-4 py-3">
+      <p className="flex-1 text-sm text-muted-foreground">
+        Install Phantom to your home screen for notifications. Tap{" "}
+        <svg
+          className="inline-block h-4 w-4 align-text-bottom"
+          viewBox="0 0 24 24"
+          fill="none"
+          stroke="currentColor"
+          strokeWidth="1.5"
+          strokeLinecap="round"
+          strokeLinejoin="round"
+        >
+          <path d="M12 5v14M5 12l7-7 7 7" />
+          <rect x="4" y="17" width="16" height="2" rx="1" />
+        </svg>{" "}
+        Share, then Add to Home Screen.
+      </p>
+      <Button size="sm" variant="ghost" onClick={handleDismiss}>
+        Dismiss
+      </Button>
+    </div>
+  );
+}

chat-ui/src/components/notification-banner.tsx

@@ -0,0 +1,80 @@
+// Soft permission banner shown after the user sends their first message.
+// "Want a ping when your task is done?" with Enable and Dismiss buttons.
+// Dismiss hides for 24 hours via localStorage.
+
+import { useCallback, useState } from "react";
+import { useNotifications } from "@/hooks/use-notifications";
+import { Button } from "@/ui/button";
+
+const DISMISS_KEY = "phantom_notification_banner_dismissed_at";
+const DISMISS_DURATION_MS = 24 * 60 * 60 * 1000; // 24 hours
+
+function isDismissed(): boolean {
+  try {
+    const raw = localStorage.getItem(DISMISS_KEY);
+    if (!raw) return false;
+    const dismissedAt = Number(raw);
+    return Date.now() - dismissedAt < DISMISS_DURATION_MS;
+  } catch {
+    return false;
+  }
+}
+
+export function NotificationBanner({
+  visible,
+}: {
+  visible: boolean;
+}) {
+  const { permission, subscribed, subscribe } = useNotifications();
+  const [dismissed, setDismissed] = useState(isDismissed);
+  const [enabling, setEnabling] = useState(false);
+
+  const handleEnable = useCallback(async () => {
+    setEnabling(true);
+    try {
+      await subscribe();
+    } finally {
+      setEnabling(false);
+    }
+  }, [subscribe]);
+
+  const handleDismiss = useCallback(() => {
+    try {
+      localStorage.setItem(DISMISS_KEY, String(Date.now()));
+    } catch {
+      // localStorage unavailable
+    }
+    setDismissed(true);
+  }, []);
+
+  // Hide if: not visible yet, already subscribed, already dismissed,
+  // permission denied, or browser doesn't support it
+  if (
+    !visible ||
+    subscribed ||
+    dismissed ||
+    permission === "denied" ||
+    permission === "unsupported"
+  ) {
+    return null;
+  }
+
+  return (
+    <div className="mx-auto mb-3 flex w-full max-w-2xl items-center gap-3 rounded-lg border border-border bg-card px-4 py-3">
+      <p className="flex-1 text-sm text-muted-foreground">
+        Want a ping when your task is done?
+      </p>
+      <Button
+        size="sm"
+        variant="default"
+        onClick={handleEnable}
+        disabled={enabling}
+      >
+        {enabling ? "Enabling..." : "Enable"}
+      </Button>
+      <Button size="sm" variant="ghost" onClick={handleDismiss}>
+        Not now
+      </Button>
+    </div>
+  );
+}