some ui tweaks

web/src/App.tsx

@@ -821,6 +821,7 @@ export default function App() {
   const [isRenamingChat, setIsRenamingChat] = useState(false);
   const [isChatSettingsOpen, setIsChatSettingsOpen] = useState(false);
   const [isSavingChatSettings, setIsSavingChatSettings] = useState(false);
+  const [isTogglingChatSettingsStar, setIsTogglingChatSettingsStar] = useState(false);
   const [chatSettingsError, setChatSettingsError] = useState<string | null>(null);
   const [draftChatTitle, setDraftChatTitle] = useState("");
   const [chatSettingsTitleDraft, setChatSettingsTitleDraft] = useState("");
@@ -957,6 +958,7 @@ export default function App() {
     setPendingAttachments([]);
     setIsChatSettingsOpen(false);
     setIsSavingChatSettings(false);
+    setIsTogglingChatSettingsStar(false);
     setChatSettingsError(null);
     setDraftChatTitle("");
     setChatSettingsTitleDraft("");
@@ -1353,11 +1355,6 @@ export default function App() {
     return chats.find((chat) => chat.id === selectedItem.id) ?? null;
   }, [chats, selectedItem]);
 
-  const selectedSidebarItem = useMemo(() => {
-    if (!selectedItem) return null;
-    return sidebarItems.find((item) => item.kind === selectedItem.kind && item.id === selectedItem.id) ?? null;
-  }, [selectedItem, sidebarItems]);
-
   const selectedSearchSummary = useMemo(() => {
     if (!selectedItem || selectedItem.kind !== "search") return null;
     return searches.find((search) => search.id === selectedItem.id) ?? null;
@@ -1737,6 +1734,29 @@ export default function App() {
     }
   };
 
+  const handleToggleChatSettingsStar = async () => {
+    if (draftKind !== null || selectedItem?.kind !== "chat" || isTogglingChatSettingsStar) return;
+    const current = sidebarItems.find((item) => item.kind === "chat" && item.id === selectedItem.id);
+    const nextStarred = !current?.starred;
+    setIsTogglingChatSettingsStar(true);
+    setChatSettingsError(null);
+    setError(null);
+
+    try {
+      const updatedChat = await updateChatStar(selectedItem.id, nextStarred);
+      applyChatSummary(updatedChat, false);
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err);
+      if (message.includes("bearer token")) {
+        handleAuthFailure(message);
+      } else {
+        setChatSettingsError(message);
+      }
+    } finally {
+      setIsTogglingChatSettingsStar(false);
+    }
+  };
+
   const handleDeleteFromContextMenu = async () => {
     if (!contextMenu || isItemRunning(contextMenu.item)) return;
     const target = contextMenu.item;
@@ -2817,6 +2837,10 @@ export default function App() {
     }
   };
 
+  const chatSettingsChatId = draftKind === null && selectedItem?.kind === "chat" ? selectedItem.id : null;
+  const chatSettingsStarred = chatSettingsChatId
+    ? sidebarItems.find((item) => item.kind === "chat" && item.id === chatSettingsChatId)?.starred ?? false
+    : false;
 
   if (isCheckingSession) {
     return (
@@ -2995,8 +3019,8 @@ export default function App() {
         </aside>
 
         <main className="glass-panel relative flex min-w-0 flex-1 flex-col overflow-hidden border-violet-300/18 md:rounded-2xl md:border">
-          <header className="flex flex-wrap items-center justify-between gap-3 border-b border-violet-300/12 bg-[linear-gradient(180deg,hsl(243_48%_10%_/_0.86),hsl(236_48%_6%_/_0.66))] px-4 py-3 md:px-7">
+          <header className="flex items-center justify-between gap-2 border-b border-violet-300/12 bg-[linear-gradient(180deg,hsl(243_48%_10%_/_0.86),hsl(236_48%_6%_/_0.66))] px-4 py-3 md:gap-3 md:px-7">
-            <div className="flex items-start gap-2">
+            <div className="flex min-w-0 items-center gap-2">
               <Button
                 type="button"
                 size="icon"
@@ -3010,46 +3034,20 @@ export default function App() {
 
               <div className="flex min-w-0 items-center gap-1.5">
                 <h1 className="truncate text-sm font-semibold text-violet-50 md:text-base">{selectedTitle}</h1>
-                {draftKind === null && selectedItem ? (
-                  <Button
-                    type="button"
-                    size="icon"
-                    variant="ghost"
-                    className="h-7 w-7 shrink-0 text-violet-100/72 hover:text-violet-50"
-                    onClick={() => void handleToggleStar(selectedItem)}
-                    title={selectedSidebarItem?.starred ? "Unstar" : "Star"}
-                    aria-label={selectedSidebarItem?.starred ? "Unstar" : "Star"}
-                  >
-                    <Star className={cn("h-3.5 w-3.5", selectedSidebarItem?.starred ? "fill-amber-300 text-amber-300" : "")} />
-                  </Button>
-                ) : null}
-                {draftKind === null && selectedItem?.kind === "chat" ? (
-                  <Button
-                    type="button"
-                    size="icon"
-                    variant="ghost"
-                    className="h-7 w-7 shrink-0 text-violet-100/72 hover:text-violet-50"
-                    onClick={() => openRenameChatDialog(selectedItem.id)}
-                    title="Rename chat"
-                    aria-label="Rename chat"
-                  >
-                    <Pencil className="h-3.5 w-3.5" />
-                  </Button>
-                ) : null}
               </div>
             </div>
-            <div className="flex w-full max-w-xl items-center justify-end gap-2 md:w-auto">
+            <div className="flex shrink-0 items-center justify-end gap-2">
               {!isSearchMode ? (
                 <Button
                   type="button"
                   variant="secondary"
-                  className="h-10 max-w-full gap-2 rounded-lg px-3"
+                  className="h-10 max-w-[44vw] gap-2 rounded-lg px-3 md:max-w-full"
                   onClick={openChatSettings}
                   disabled={isActiveSelectionSending}
                   aria-label="Open chat settings"
                 >
                   <Settings2 className="h-4 w-4 shrink-0" />
-                  <span className="shrink-0">Settings</span>
+                  <span className="hidden shrink-0 sm:inline">Settings</span>
                   <span className="hidden min-w-0 max-w-[18rem] truncate text-xs font-medium text-violet-100/58 sm:inline">
                     {getProviderLabel(provider)} · {model || "No model"}
                   </span>
@@ -3260,20 +3258,40 @@ export default function App() {
             </div>
 
             <div className="min-h-0 flex-1 space-y-4 overflow-y-auto pr-1">
-              <label className="block">
+              <div>
                 <span className="mb-1.5 block text-xs font-semibold text-violet-100/72">Chat title</span>
-                <input
+                <div className="flex items-center gap-2">
-                  value={chatSettingsTitleDraft}
+                  <input
-                  onInput={(event) => {
+                    value={chatSettingsTitleDraft}
-                    setChatSettingsTitleDraft(event.currentTarget.value);
+                    onInput={(event) => {
-                    if (chatSettingsError) setChatSettingsError(null);
+                      setChatSettingsTitleDraft(event.currentTarget.value);
-                  }}
+                      if (chatSettingsError) setChatSettingsError(null);
-                  maxLength={120}
+                    }}
-                  placeholder={draftKind === null && selectedItem?.kind === "chat" ? "Chat title" : "Optional title"}
+                    maxLength={120}
-                  className="h-11 w-full rounded-lg border border-violet-300/22 bg-background/72 px-3 text-sm text-violet-50 outline-none shadow-[inset_0_1px_0_hsl(255_100%_92%_/_0.06)] placeholder:text-muted-foreground focus:border-violet-300/45 focus:ring-1 focus:ring-ring/70"
+                    placeholder={draftKind === null && selectedItem?.kind === "chat" ? "Chat title" : "Optional title"}
-                  disabled={isSavingChatSettings}
+                    className="h-11 min-w-0 flex-1 rounded-lg border border-violet-300/22 bg-background/72 px-3 text-sm text-violet-50 outline-none shadow-[inset_0_1px_0_hsl(255_100%_92%_/_0.06)] placeholder:text-muted-foreground focus:border-violet-300/45 focus:ring-1 focus:ring-ring/70"
-                />
+                    disabled={isSavingChatSettings}
-              </label>
+                  />
+                  {chatSettingsChatId ? (
+                    <Button
+                      type="button"
+                      size="icon"
+                      variant="secondary"
+                      className="h-11 w-11 shrink-0 rounded-lg"
+                      onClick={() => void handleToggleChatSettingsStar()}
+                      disabled={isSavingChatSettings || isTogglingChatSettingsStar}
+                      aria-label={chatSettingsStarred ? "Unstar chat" : "Star chat"}
+                      title={chatSettingsStarred ? "Unstar chat" : "Star chat"}
+                    >
+                      {isTogglingChatSettingsStar ? (
+                        <LoaderCircle className="h-4 w-4 animate-spin" />
+                      ) : (
+                        <Star className={cn("h-4 w-4", chatSettingsStarred ? "fill-amber-300 text-amber-300" : "")} />
+                      )}
+                    </Button>
+                  ) : null}
+                </div>
+              </div>
 
               <div className="grid gap-3 md:grid-cols-[minmax(9rem,0.7fr)_minmax(14rem,1fr)]">
                 <label className="block">