fix(teams): resolve import extensions and inline TeamMember type

Update imports to use .js extensions for ESM compatibility with the
project's module resolution convention. Inline TeamMember type fields
to avoid the intersection with PublicProfile which does not resolve
cleanly without a built shared package.

Author: Ridanshi

apps/backend/src/routes/team.ts

@@ -4,10 +4,19 @@ import QRCode from 'qrcode';
 import { generateUniqueSlug } from '../utils/slug.js';
 import { createTeamScehma, inviteMembers, updateTeam } from '../validations/team.validation.js';
 
-import type { PlatformLink, PublicProfile } from '@devcard/shared';
+import type { PlatformLink } from '@devcard/shared';
 import type { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify';
 
-type TeamMember = PublicProfile & {
+type TeamMember = {
+  username: string;
+  displayName: string;
+  bio: string | null;
+  pronouns: string | null;
+  role: string | null;
+  company: string | null;
+  avatarUrl: string | null;
+  accentColor: string;
+  links: PlatformLink[];
   teamRole: TeamRole;
   joinedAt: Date;
 }