sync update from LAN repo (source master @ ca48c4ec)

frontend-web/src/core/artifacts/loader.ts

@@ -17,12 +17,26 @@ export async function loadArtifactContent({
   isMock?: boolean;
   publicShareCode?: string;
 }) {
+  const isSkillArchive = filepath.endsWith(".skill");
   let enhancedFilepath = filepath;
-  if (filepath.endsWith(".skill")) {
+  if (isSkillArchive) {
     enhancedFilepath = filepath + "/SKILL.md";
   }
-  const url = urlOfArtifact({ filepath: enhancedFilepath, threadId, isMock, publicShareCode });
-  const response = await apiFetch(url);
+  const url = urlOfArtifact({
+    filepath: enhancedFilepath,
+    threadId,
+    isMock,
+    publicShareCode,
+  });
+  // Normal artifacts are mutable: render scripts and bash commands may replace
+  // the same path without producing a write_file/str_replace revision in the
+  // message stream.  Bypass the browser HTTP cache so a React Query refetch
+  // always reads the bytes currently on disk.  Skill archives are immutable in
+  // this view and deliberately keep their existing five-minute cache.
+  const response = await apiFetch(
+    url,
+    isSkillArchive ? undefined : { cache: "no-store" },
+  );
   const text = await response.text();
   if (!response.ok) {
     let detail = text.trim();