fix(users): add GET /users/me endpoint for current user profile

backend/app/routers/users.py

@@ -42,6 +42,19 @@ def update_my_preferences(
     return current_user
 
 
+# ---------------------------------------------------------------------------
+# GET /users/me  —  get current user's own profile
+# ---------------------------------------------------------------------------
+
+
+@router.get("/me", response_model=UserOut)
+def get_me(
+    current_user: User = Depends(get_current_user),
+):
+    """Return the currently authenticated user's profile."""
+    return current_user
+
+
 # ---------------------------------------------------------------------------
 # GET /users  —  list all users
 # ---------------------------------------------------------------------------