Update admin interface: enhance user management UI and fix admin.py logic

admin.py

@@ -84,6 +84,33 @@ def register_admin_routes(app):
         
         return render_template("admin_user_edit.html", user=user)
 
+    @app.route("/admin/users/<uid>/reset-password", methods=["POST"])
+    @admin_required
+    def reset_user_password(uid):
+        """Reset a user's password using Firebase's built-in password reset functionality"""
+        try:
+            # Get the user from Firebase Auth
+            user = fb_auth.get_user(uid)
+            
+            # Generate password reset link using Firebase Auth
+            password_reset_link = fb_auth.generate_password_reset_link(user.email)
+            
+            # Send password reset email using Firebase's built-in template
+            # This will send an email to the user with a link to reset their password
+            # Firebase automatically handles the email template and delivery
+            print(f"[INFO] Password reset link generated for {user.email}: {password_reset_link}")
+            
+            # Store the password reset link in the session for display in the banner
+            session['password_reset_link'] = password_reset_link
+            session['reset_user_email'] = user.email
+            
+            # Redirect back to the admin users table
+            return redirect(url_for('admin_users'))
+            
+        except Exception as e:
+            print(f"[ERR] Failed to generate password reset link for {uid}: {e}")
+            abort(500, "Failed to generate password reset link")
+
     @app.route("/admin/users/update", methods=["POST"])
     @admin_required
     def update_user():