Add Coral and Hacktank special app cards

Gemfile.lock

@@ -147,7 +147,7 @@ GEM
     block_cipher_kit (0.0.4)
     bootsnap (1.23.0)
       msgpack (~> 1.2)
-    brakeman (8.0.6)
+    brakeman (8.1.0)
       racc
     browser (6.2.0)
     builder (3.3.0)

app/models/special_app_cards/coral.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module SpecialAppCards
+  class Coral < Base
+    def visible?
+      identity.ysws_eligible != false && Flipper.enabled?(:app_card_coral_2026_10_08, identity)
+    end
+
+    def friendly_name = "Coral"
+
+    def tagline = "Spend 40 hours building and to join us in Australia"
+
+    def icon = "coral.png"
+
+    def url = "https://coral.hackclub.com"
+
+    def launch_text = "start shippin'"
+  end
+end

app/models/special_app_cards/hacktank.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module SpecialAppCards
+  class Hacktank < Base
+    def visible?
+      identity.ysws_eligible != false && Flipper.enabled?(:app_card_hacktank_2026_10_08, identity)
+    end
+
+    def friendly_name = "Hacktank"
+
+    def tagline = "Make a real product, go viral, pitch to VCs in San Francisco"
+
+    def icon = "hacktank.jpg"
+
+    def url = "https://hacktank.hackclub.com"
+
+    def launch_text = "start building"
+  end
+end

config/flipper_features.yml

@@ -11,6 +11,8 @@ shared:
   app_card_blueprint_2026_01_14: enables Blueprint app card on the welcome page
   app_card_forge_2026_09_19: enables Forge app card on the welcome page
   app_card_crescent_2026_09_23: enables Crescent app card on the welcome page
+  app_card_coral_2026_10_08: enables coral app card on the welcome page
+  app_card_hacktank_2026_10_08: enables hacktank app card on the welcome page
   full_user_open_floodgates_2026_04_06: provisions users as full Slack members instead of multi-channel guests
   dev_allow_manual_flow_2026_05_27: enables the manual document verification flow for an actor
   disable_slack_invites_2025_12_08: suppresses Slack SCIM provisioning for an actor