Add github unlink + relink options

app/controllers/sessions_controller.rb

@@ -82,6 +82,17 @@ class SessionsController < ApplicationController
     end
   end
 
+  def github_unlink
+    unless current_user
+      redirect_to root_path, alert: "Please sign in first"
+      return
+    end
+
+    current_user.update!(github_access_token: nil)
+    Rails.logger.info "GitHub account unlinked for User ##{current_user.id}"
+    redirect_to my_settings_path, notice: "GitHub account unlinked successfully"
+  end
+
   def email
     email = params[:email].downcase
     continue_param = params[:continue]

app/views/users/edit.html.erb

@@ -92,6 +92,17 @@
         <p>This is used to show your active projects on the leaderboard &amp; current hacking activity on the dashboard.</p>
         <% if @user.github_uid.present? %>
           <p>✅ Your GitHub account is linked: <%= link_to "@#{@user.github_username}", "https://github.com/#{@user.github_username}", target: "_blank" %></p>
+          <% if @user.github_access_token.present? %>
+            <%= link_to "Relink GitHub Account", github_auth_path, data: { turbo: "false" }, role: "button" %>
+            <%= link_to "Unlink GitHub Account", github_unlink_path, 
+                method: :delete, 
+                data: { confirm: "Are you sure? This will remove access to your GitHub data." }, 
+                role: "button", 
+                class: "outline" %>
+          <% else %>
+            <p>⚠️ Your GitHub token has expired. Please relink your account.</p>
+            <%= link_to "Relink GitHub Account", github_auth_path, data: { turbo: "false" }, role: "button" %>
+          <% end %>
         <% else %>
           <%= link_to "Link GitHub Account", github_auth_path, data: { turbo: "false" }, role: "button" %>
         <% end %>

config/routes.rb

@@ -65,6 +65,7 @@ Rails.application.routes.draw do
   get "/auth/slack/callback", to: "sessions#create"
   get "/auth/github", to: "sessions#github_new", as: :github_auth
   get "/auth/github/callback", to: "sessions#github_create"
+  delete "/auth/github/unlink", to: "sessions#github_unlink", as: :github_unlink
   post "/auth/email", to: "sessions#email", as: :email_auth
   post "/auth/email/add", to: "sessions#add_email", as: :add_email_auth
   get "/auth/token/:token", to: "sessions#token", as: :auth_token