feat(frontend): installable on the phone with its own icon, title and manifest, missing avatars are asked again later

frontend/src/lib/api/avatars.ts

@@ -4,13 +4,27 @@ import { PUBLIC_API_BASE_URL } from "$app/env/public";
 
 const BASE = PUBLIC_API_BASE_URL;
 const RETRY_DELAY = 2500;
+const MISSING_TTL = 120_000;
 
 export type AvatarKind = "peer" | "chat";
 
 const MAX_CACHED = 240;
 
 const ready = new Map<string, string>();
-const missing = new Set<string>();
+const missing = new Map<string, number>();
+
+function isMissing(key: string): boolean {
+  const since = missing.get(key);
+  if (since === undefined) {
+    return false;
+  }
+  if (Date.now() - since < MISSING_TTL) {
+    return true;
+  }
+  missing.delete(key);
+  return false;
+}
+
 const inflight = new Map<string, Promise<string | null>>();
 
 function cacheKey(account: number, kind: AvatarKind, id: number): string {
@@ -60,7 +74,7 @@ async function fetchAvatar(
     await delay(RETRY_DELAY);
     return fetchAvatar(account, kind, id, key, false);
   }
-  missing.add(key);
+  missing.set(key, Date.now());
   return null;
 }
 
@@ -77,7 +91,7 @@ export function loadAvatar(
   if (cached) {
     return Promise.resolve(cached);
   }
-  if (missing.has(key)) {
+  if (isMissing(key)) {
     return Promise.resolve(null);
   }
   const existing = inflight.get(key);
@@ -110,7 +124,7 @@ async function fetchVariant(
     await delay(RETRY_DELAY);
     return fetchVariant(account, kind, id, uniqueId, key, false);
   }
-  missing.add(key);
+  missing.set(key, Date.now());
   return null;
 }
 
@@ -128,7 +142,7 @@ export function loadAvatarVariant(
   if (cached) {
     return Promise.resolve(cached);
   }
-  if (missing.has(key)) {
+  if (isMissing(key)) {
     return Promise.resolve(null);
   }
   const existing = inflight.get(key);

frontend/src/lib/assets/favicon.svg

@@ -1,16 +0,0 @@
-<svg
-  height="128"
-  viewBox="0 0 107 128"
-  width="107"
-  xmlns="http://www.w3.org/2000/svg"
->
-  <title>svelte-logo</title>
-  <path
-    d="M94.157 22.819c-10.4-14.885-30.94-19.297-45.792-9.835L22.282 29.608A29.92 29.92 0 0 0 8.764 49.65a31.5 31.5 0 0 0 3.108 20.231 30 30 0 0 0-4.477 11.183 31.9 31.9 0 0 0 5.448 24.116c10.402 14.887 30.942 19.297 45.791 9.835l26.083-16.624A29.92 29.92 0 0 0 98.235 78.35a31.53 31.53 0 0 0-3.105-20.232 30 30 0 0 0 4.474-11.182 31.88 31.88 0 0 0-5.447-24.116"
-    style="fill:#ff3e00"
-  />
-  <path
-    d="M45.817 106.582a20.72 20.72 0 0 1-22.237-8.243 19.17 19.17 0 0 1-3.277-14.503 18 18 0 0 1 .624-2.435l.49-1.498 1.337.981a33.6 33.6 0 0 0 10.203 5.098l.97.294-.09.968a5.85 5.85 0 0 0 1.052 3.878 6.24 6.24 0 0 0 6.695 2.485 5.8 5.8 0 0 0 1.603-.704L69.27 76.28a5.43 5.43 0 0 0 2.45-3.631 5.8 5.8 0 0 0-.987-4.371 6.24 6.24 0 0 0-6.698-2.487 5.7 5.7 0 0 0-1.6.704l-9.953 6.345a19 19 0 0 1-5.296 2.326 20.72 20.72 0 0 1-22.237-8.243 19.17 19.17 0 0 1-3.277-14.502 17.99 17.99 0 0 1 8.13-12.052l26.081-16.623a19 19 0 0 1 5.3-2.329 20.72 20.72 0 0 1 22.237 8.243 19.17 19.17 0 0 1 3.277 14.503 18 18 0 0 1-.624 2.435l-.49 1.498-1.337-.98a33.6 33.6 0 0 0-10.203-5.1l-.97-.294.09-.968a5.86 5.86 0 0 0-1.052-3.878 6.24 6.24 0 0 0-6.696-2.485 5.8 5.8 0 0 0-1.602.704L37.73 51.72a5.42 5.42 0 0 0-2.449 3.63 5.79 5.79 0 0 0 .986 4.372 6.24 6.24 0 0 0 6.698 2.486 5.8 5.8 0 0 0 1.602-.704l9.952-6.342a19 19 0 0 1 5.295-2.328 20.72 20.72 0 0 1 22.237 8.242 19.17 19.17 0 0 1 3.277 14.503 18 18 0 0 1-8.13 12.053l-26.081 16.622a19 19 0 0 1-5.3 2.328"
-    style="fill:#fff"
-  />
-</svg>