feat(webui): refine output timeline and model controls (#4108)

* feat(webui): refine output timeline and composer queue

* feat(webui): add provider model picker

* fix(webui): polish model settings and heartbeat checks

* chore: keep heartbeat changes out of webui pr

* refactor(webui): isolate settings routes

* fix(providers): align minimax anthropic test

* fix(providers): keep minimax anthropic base sdk-compatible

* fix(providers): normalize anthropic base urls

webui/src/lib/media.ts

@@ -8,6 +8,7 @@ const IMAGE_EXTENSIONS = new Set([
   ".webp",
   ".bmp",
   ".ico",
+  ".svg",
   ".tif",
   ".tiff",
 ]);
@@ -34,26 +35,30 @@ function extensionOf(value?: string): string {
   return path.slice(dot);
 }
 
-export function inferMediaKind(media: { url?: string; name?: string }): UIMediaKind {
+function explicitMediaKind(media: { url?: string; name?: string }): UIMediaKind | null {
   const url = media.url ?? "";
   if (url.startsWith("data:image/")) return "image";
   if (url.startsWith("data:video/")) return "video";
 
   const ext = extensionOf(media.name) || extensionOf(url);
+  if (!ext) return null;
   if (IMAGE_EXTENSIONS.has(ext)) return "image";
   if (VIDEO_EXTENSIONS.has(ext)) return "video";
   return "file";
 }
 
+export function inferMediaKind(media: { url?: string; name?: string }): UIMediaKind {
+  return explicitMediaKind(media) ?? "file";
+}
+
 export function toMediaAttachment(media: {
   url?: string;
   name?: string;
   kind?: UIMediaKind;
 }): UIMediaAttachment {
   return {
-    kind: media.kind ?? inferMediaKind(media),
+    kind: explicitMediaKind(media) ?? media.kind ?? "file",
     url: media.url,
     name: media.name,
   };
 }
-