feat(navigation): add favorite entry and Menu tab

src/app/chat/chat-screen.tsx

@@ -38,7 +38,6 @@ import {
 } from "./chat-image-overlay-url";
 import {
   deriveIsGuest,
-  shouldStartExternalBrowserPrompt,
 } from "./chat-screen.helpers";
 import { useFirstRechargeOfferBanner } from "./hooks/use-first-recharge-offer-banner";
 import { useChatUnlockCoordinator } from "./hooks/use-chat-unlock-coordinator";
@@ -118,12 +117,6 @@ export function ChatScreen() {
   });
   const shouldShowPwaInstall =
     state.historyLoaded && state.historyMessages.length >= 10;
-  const shouldShowBrowserHint = shouldStartExternalBrowserPrompt({
-    hasInitialized: authState.hasInitialized,
-    isLoading: authState.isLoading,
-    loginStatus: authState.loginStatus,
-  });
-
   useChatGuestLogin({
     dispatch: authDispatch,
     hasInitialized: authState.hasInitialized,
@@ -276,13 +269,13 @@ export function ChatScreen() {
         <div className="relative z-1 flex min-h-0 flex-[1_1_auto] flex-col">
           <ChatHeader
             isGuest={isGuest}
-            showBrowserHint={shouldShowBrowserHint}
             offerBanner={
               <FirstRechargeOfferBanner
                 visible={firstRechargeOfferBanner.visible}
                 discountPercent={firstRechargeOfferBanner.discountPercent}
                 onClick={firstRechargeOfferBanner.claim}
                 onClose={firstRechargeOfferBanner.close}
+                variant="compact"
               />
             }
           />

src/app/chat/components/__tests__/tailwind-components.test.tsx

@@ -242,12 +242,6 @@ describe("chat Tailwind components", () => {
     const memberHtml = renderWithCharacter(
       <ChatHeader isGuest={false} offerBanner={<div>Offer</div>} />,
     );
-    const memberWithHintHtml = renderWithCharacter(
-      <ChatHeader isGuest={false} showBrowserHint />,
-    );
-    const guestWithHintHtml = renderWithCharacter(
-      <ChatHeader isGuest={true} showBrowserHint />,
-    );
 
     expect(guestHtml).toContain('aria-label="Sign up to unlock more features"');
     expect(guestHtml).toContain("bg-accent");
@@ -257,50 +251,33 @@ describe("chat Tailwind components", () => {
     expect(guestHtml).toContain('data-analytics-key="chat.back_to_home"');
     expect(guestHtml).toContain("px-(--chat-inline-padding,16px)");
     expect(guestHtml).not.toContain('aria-label="Profile"');
+    expect(guestHtml).toContain('aria-label="Save CozSweet"');
     expect(memberHtml).toContain("Offer");
     expect(memberHtml).toContain('href="/characters/elio/splash"');
     expect(memberHtml).toContain('aria-label="Back to home"');
-    expect(memberHtml).toContain('aria-label="Profile"');
-    expect(memberHtml).toContain('data-analytics-key="chat.open_profile"');
+    expect(memberHtml).toContain('aria-label="Save CozSweet"');
+    expect(memberHtml).toContain('data-analytics-key="favorite.favorite"');
     expect(memberHtml).toContain('data-analytics-key="chat.back_to_home"');
     expect(memberHtml).toContain("px-(--chat-inline-padding,16px)");
     expect(memberHtml).not.toContain("px-(--spacing-md,12px)");
-    expect(memberHtml).toContain("bg-[rgba(13,11,20,0.7)]");
-    expect(memberHtml).toContain("size-(--responsive-icon-button-size,42px)");
-    expect(memberHtml).toContain("lucide-user-round");
-    expect(memberWithHintHtml).toContain(
-      'data-analytics-key="chat.external_browser_hint"',
-    );
-    expect(memberWithHintHtml).toContain(
+    expect(memberHtml).toContain(
       "grid-cols-[auto_minmax(0,1fr)_auto]",
     );
-    expect(memberWithHintHtml.indexOf('aria-label="Back to home"')).toBeLessThan(
-      memberWithHintHtml.indexOf(
-        'data-analytics-key="chat.external_browser_hint"',
-      ),
-    );
-    expect(
-      memberWithHintHtml.indexOf(
-        'data-analytics-key="chat.external_browser_hint"',
-      ),
-    ).toBeLessThan(memberWithHintHtml.indexOf('aria-label="Profile"'));
-    expect(guestWithHintHtml).not.toContain(
+    expect(memberHtml).not.toContain(
       'data-analytics-key="chat.external_browser_hint"',
     );
   });
 
-  it("renders the user avatar in the ChatHeader Profile action", () => {
+  it("replaces the ChatHeader Profile avatar with the favorite action", () => {
     userMocks.avatarUrl = "/images/avatar/profile-user.png";
 
     const html = renderWithCharacter(<ChatHeader isGuest={false} />);
 
-    expect(html).toContain("%2Fimages%2Favatar%2Fprofile-user.png");
-    expect(html).toContain('aria-label="Profile"');
-    expect(html).toContain('data-analytics-key="chat.open_profile"');
-    expect(html).toContain(
-      "var(--responsive-icon-button-size, 42px)",
-    );
-    expect(html).not.toContain("lucide-user-round");
+    expect(html).not.toContain("%2Fimages%2Favatar%2Fprofile-user.png");
+    expect(html).not.toContain('aria-label="Profile"');
+    expect(html).not.toContain('data-analytics-key="chat.open_profile"');
+    expect(html).toContain('aria-label="Save CozSweet"');
+    expect(html).toContain("lucide-star");
   });
 
   it("links guest chat back to the active character splash", () => {
@@ -315,6 +292,7 @@ describe("chat Tailwind components", () => {
 
     expect(html).toContain('href="/characters/maya/splash"');
     expect(html).not.toContain('aria-label="Profile"');
+    expect(html).toContain('aria-label="Save CozSweet"');
     expect(html).not.toContain(
       'data-analytics-key="chat.external_browser_hint"',
     );

src/app/chat/components/chat-header.tsx

@@ -2,37 +2,31 @@
 /**
  * ChatHeader 顶部栏
  *
- * Profile 优先展示用户头像；头像缺失时回退到 lucide-react <UserRound />。
+ * 顶部保持返回、首充优惠、收藏入口三段结构。
  */
 import type { ReactNode } from "react";
-import { Lock, UserRound } from "lucide-react";
+import { Lock } from "lucide-react";
 
-import { BackButton, UserMessageAvatar } from "@/app/_components";
-import { useActiveCharacterRoutes } from "@/providers/character-provider";
-import { buildGlobalPageUrl } from "@/router/global-route-context";
-import { ROUTES } from "@/router/routes";
+import { BackButton } from "@/app/_components";
+import { FavoriteEntryButton } from "@/app/_components/core";
+import {
+  useActiveCharacter,
+  useActiveCharacterRoutes,
+} from "@/providers/character-provider";
 import { useAppNavigator } from "@/router/use-app-navigator";
-import { useUserSelector } from "@/stores/user/user-context";
-
-import { BrowserHintOverlay } from "./browser-hint-overlay";
 
 export interface ChatHeaderProps {
   isGuest: boolean;
   offerBanner?: ReactNode;
-  showBrowserHint?: boolean;
 }
 
 export function ChatHeader({
   isGuest,
   offerBanner,
-  showBrowserHint = false,
 }: ChatHeaderProps) {
   const navigator = useAppNavigator();
+  const character = useActiveCharacter();
   const characterRoutes = useActiveCharacterRoutes();
-  const avatarUrl = useUserSelector((state) => state.context.avatarUrl);
-  const handleOpenProfile = () => {
-    navigator.push(buildGlobalPageUrl(ROUTES.profile, characterRoutes.chat));
-  };
 
   return (
     <header className="flex shrink-0 flex-col items-stretch bg-transparent p-0">
@@ -52,17 +46,9 @@ export function ChatHeader({
           />
           <span>Sign up to unlock more features</span>
         </button>
-      ) : (
-        offerBanner
-      )}
+      ) : null}
 
-      <div
-        className={
-          isGuest
-            ? "flex items-center px-(--chat-inline-padding,16px) py-(--spacing-sm,8px)"
-            : "grid grid-cols-[auto_minmax(0,1fr)_auto] items-center gap-(--spacing-sm,8px) px-(--chat-inline-padding,16px) py-(--spacing-sm,8px)"
-        }
-      >
+      <div className="grid grid-cols-[auto_minmax(0,1fr)_auto] items-center gap-(--spacing-sm,8px) px-(--chat-inline-padding,16px) py-(--spacing-sm,8px)">
         <BackButton
           href={characterRoutes.splash}
           variant="dark"
@@ -70,34 +56,12 @@ export function ChatHeader({
           analyticsKey="chat.back_to_home"
         />
 
-        {!isGuest ? (
-          <>
-            <div className="flex min-w-0 justify-center">
-              {showBrowserHint ? <BrowserHintOverlay /> : null}
-            </div>
+        <div className="flex min-w-0 justify-center">{offerBanner}</div>
 
-            {avatarUrl ? (
-              <UserMessageAvatar
-                avatarUrl={avatarUrl}
-                size="var(--responsive-icon-button-size, 42px)"
-                actionLabel="Profile"
-                analyticsKey="chat.open_profile"
-                onClick={handleOpenProfile}
-              />
-            ) : (
-              <button
-                type="button"
-                data-analytics-key="chat.open_profile"
-                data-analytics-label="Open profile"
-                className="flex size-(--responsive-icon-button-size,42px) cursor-pointer items-center justify-center rounded-full border border-[rgba(255,255,255,0.12)] bg-[rgba(13,11,20,0.7)] text-(--color-text-primary,#fff) shadow-[0_10px_24px_rgba(0,0,0,0.2)] backdrop-blur-md transition-[background,transform] duration-150 hover:bg-[rgba(28,24,39,0.82)] active:scale-96 focus-visible:outline-2 focus-visible:outline-offset-3 focus-visible:outline-[#f657a0]"
-                onClick={handleOpenProfile}
-                aria-label="Profile"
-              >
-                <UserRound size={24} aria-hidden="true" />
-              </button>
-            )}
-          </>
-        ) : null}
+        <FavoriteEntryButton
+          characterSlug={character.slug}
+          tone="dark"
+        />
       </div>
     </header>
   );

src/app/chat/components/first-recharge-offer-banner.module.css

@@ -121,8 +121,73 @@
   cursor: pointer;
 }
 
+.compactButton {
+  display: grid;
+  min-width: 0;
+  max-width: 224px;
+  min-height: 44px;
+  grid-template-columns: auto minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 7px;
+  padding: 5px 8px;
+  overflow: hidden;
+  border: 1px solid rgba(255, 255, 255, 0.42);
+  border-radius: 16px;
+  background:
+    radial-gradient(circle at 15% 0%, rgba(255, 255, 255, 0.68), transparent 38%),
+    linear-gradient(135deg, #fff0b8 0%, #ffd0df 50%, #ff6cab 100%);
+  color: #2c111d;
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+  box-shadow: 0 9px 24px rgba(114, 21, 63, 0.2);
+  animation: firstRechargeBannerIn 260ms ease-out both;
+}
+
+.compactIcon {
+  display: inline-flex;
+  width: 28px;
+  height: 28px;
+  align-items: center;
+  justify-content: center;
+  border-radius: 10px;
+  background: rgba(255, 255, 255, 0.55);
+  color: #f90073;
+}
+
+.compactCopy {
+  display: flex;
+  min-width: 0;
+  flex-direction: column;
+  gap: 2px;
+  font-size: 10px;
+  font-weight: 800;
+  line-height: 1.05;
+  text-transform: uppercase;
+}
+
+.compactCopy span,
+.compactCopy strong {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.compactCopy span {
+  color: rgba(44, 17, 29, 0.68);
+  letter-spacing: 0.03em;
+}
+
+.compactCopy strong {
+  color: #ec006d;
+  font-size: 15px;
+  font-weight: 950;
+  letter-spacing: -0.02em;
+}
+
 .contentButton:focus-visible,
-.closeButton:focus-visible {
+.closeButton:focus-visible,
+.compactButton:focus-visible {
   outline: 2px solid rgba(255, 255, 255, 0.94);
   outline-offset: -3px;
 }
@@ -144,4 +209,14 @@
     flex-direction: column;
     gap: 2px;
   }
+
+  .compactButton {
+    gap: 5px;
+    padding-inline: 6px;
+  }
+
+  .compactIcon {
+    width: 26px;
+    height: 26px;
+  }
 }

src/app/chat/components/first-recharge-offer-banner.tsx

@@ -9,6 +9,7 @@ export interface FirstRechargeOfferBannerProps {
   discountPercent: number;
   onClick: () => void;
   onClose: () => void;
+  variant?: "banner" | "compact";
 }
 
 export function FirstRechargeOfferBanner({
@@ -16,9 +17,32 @@ export function FirstRechargeOfferBanner({
   discountPercent,
   onClick,
   onClose,
+  variant = "banner",
 }: FirstRechargeOfferBannerProps) {
   if (!visible) return null;
 
+  if (variant === "compact") {
+    return (
+      <button
+        type="button"
+        data-analytics-key="chat.first_recharge_offer"
+        data-analytics-label="Open first recharge offer"
+        className={styles.compactButton}
+        aria-label={`First recharge offer, ${discountPercent}% off`}
+        onClick={onClick}
+      >
+        <span className={styles.compactIcon} aria-hidden="true">
+          <Sparkles size={14} strokeWidth={2.4} />
+        </span>
+        <span className={styles.compactCopy}>
+          <span>First recharge</span>
+          <strong>{discountPercent}% OFF</strong>
+        </span>
+        <ChevronRight size={14} strokeWidth={2.4} aria-hidden="true" />
+      </button>
+    );
+  }
+
   return (
     <section className={styles.banner} aria-label="First recharge offer">
       <button