Update cache invalidation

Author: KillerX

backend/internal/cache/invalidation.go

@@ -236,9 +236,15 @@ func (c *CacheWithRegistry) InvalidateSuperTeam(superTeamID string) {
 }
 
 // InvalidateChallenge invalidates all cache entries related to a challenge
-func (c *CacheWithRegistry) InvalidateChallenge(challengeID string) {
+func (c *CacheWithRegistry) InvalidateChallenge(challengeID, projectID string, eventID *string) {
 	c.Delete(ChallengeKey(challengeID))
 
+	// Invalidate challenge list caches for project and event
+	c.Delete(ChallengesByProjectKey(projectID))
+	if eventID != nil {
+		c.Delete(ChallengesByEventKey(*eventID))
+	}
+
 	// All challenge list/filter queries (any filter combination)
 	// These are invalidated globally since filter query cache keys are hashed
 	c.DeletePrefix(PrefixChallengesFilter)

backend/internal/graph/api/challenges.resolvers.go

@@ -2,13 +2,26 @@ type: http_request
 model: http_request
 id: rq_8gxK7RqpaW
 createdAt: 2025-12-13T17:40:10.683519
-updatedAt: 2025-12-13T17:41:04.851186
+updatedAt: 2025-12-14T20:32:07.431588
 workspaceId: wk_XKsmbMdFg7
 folderId: fl_U4FqjQ2Ma5
 authentication: {}
 authenticationType: null
 body:
-  query: "mutation {\n  createChallenge(input:{\n    type: \n  }){\n    id\n  }\n}\n"
+  query: |
+    mutation {
+      createChallenge(input:{
+        type: QUIZ
+        name: "Heartbeat Quiz"
+        description: "A quiz to play during Heartbeat"
+        buttonText: "Join now!"
+        requiresTeamMembership: false
+        requiresSuperTeamMembership: false
+      }, projectId: "PR01K9VZ8684DP9R4W3ZEV526E5X",
+                     eventId: "EV01KCF9091B68644DTZTHZVDVGJ"){
+        id
+      }
+    }
   variables: ''
 bodyType: graphql
 description: ''