feat: enhance user profile customization with avatar border color and gradient options

- Added support for setting avatar border color and gradient in user profile settings.
- Introduced new hooks for managing user profile styles and fetching metadata from avatars.
- Implemented an AngleSelector component for selecting gradient direction.
- Updated RoomNavItem to display parent space information for direct messages.
- Improved caching mechanism for user banners and profile styles.
- Refactored image metadata handling to include new profile style attributes.

src/app/components/user-profile/UserHero.tsx

@@ -17,7 +17,7 @@ import FocusTrap from 'focus-trap-react';
 import * as css from './styles.css';
 import { UserAvatar } from '../user-avatar';
 import colorMXID from '../../../util/colorMXID';
-import { getMxIdLocalPart, mxcUrlToHttp } from '../../utils/matrix';
+import { getMxIdLocalPart } from '../../utils/matrix';
 import { BreakWord, LineClamp3 } from '../../styles/Text.css';
 import { UserPresence } from '../../hooks/useUserPresence';
 import { AvatarPresence, PresenceBadge } from '../presence';
@@ -25,8 +25,7 @@ import { ImageViewer } from '../image-viewer';
 import { stopPropagation } from '../../utils/keyboard';
 import { useOtherUserColor } from '../../hooks/useUserColor';
 import { useOtherUserBanner } from '../../hooks/useUserBanner';
-import { useMatrixClient } from '../../hooks/useMatrixClient';
-import { useMediaAuthentication } from '../../hooks/useMediaAuthentication';
+import { useOtherUserProfileStyle } from '../../hooks/useUserProfileStyle';
 
 type UserHeroProps = {
   userId: string;
@@ -35,13 +34,20 @@ type UserHeroProps = {
   presence?: UserPresence;
 };
 export function UserHero({ userId, avatarUrl, avatarMxc, presence }: UserHeroProps) {
-  const mx = useMatrixClient();
-  const useAuthentication = useMediaAuthentication();
   const [viewAvatar, setViewAvatar] = useState<string>();
   const bannerUrl = useOtherUserBanner(userId, avatarMxc); // Now returns blob URL directly
+  const profileStyle = useOtherUserProfileStyle(userId, avatarMxc);
+
+  // Build gradient CSS if configured
+  const gradientStyle = profileStyle.gradient
+    ? `linear-gradient(${profileStyle.gradient.direction}, ${profileStyle.gradient.startColor}, ${profileStyle.gradient.stopColor})`
+    : undefined;
 
   return (
-    <Box direction="Column" className={css.UserHero}>
+    <Box
+      direction="Column"
+      className={css.UserHero}
+    >
       <div
         className={css.UserHeroCoverContainer}
         style={{
@@ -57,9 +63,10 @@ export function UserHero({ userId, avatarUrl, avatarMxc, presence }: UserHeroPro
           )
         )}
       </div>
-      <div className={css.UserHeroAvatarContainer}>
+      <div className={css.UserHeroAvatarContainer} style={gradientStyle ? { background: gradientStyle } : undefined}>
         <AvatarPresence
           className={css.UserAvatarContainer}
+          style={gradientStyle ? { background: gradientStyle } : undefined}
           badge={
             presence && <PresenceBadge presence={presence.presence} status={presence.status} />
           }
@@ -69,6 +76,10 @@ export function UserHero({ userId, avatarUrl, avatarMxc, presence }: UserHeroPro
             onClick={avatarUrl ? () => setViewAvatar(avatarUrl) : undefined}
             className={css.UserHeroAvatar}
             size="500"
+            style={profileStyle.avatarBorderColor ? {
+              outline: `${toRem(4)} solid ${profileStyle.avatarBorderColor}`,
+              outlineOffset: toRem(-1),
+            } : undefined}
           >
             <UserAvatar
               className={css.UserHeroAvatarImg}