Fix/key name (#926)

* fix: fix tier name key access

* fix: apply change

* fix: type cache entry

Author: olzhik11

app-server/src/traces/eligibility.rs

@@ -5,7 +5,11 @@ use uuid::Uuid;
 
 use crate::{
     cache::{Cache, CacheTrait, keys::PROJECT_CACHE_KEY},
-    db::{DB, project_settings::is_project_setting_enabled, projects::get_project_and_workspace_billing_info},
+    db::{
+        DB,
+        project_settings::is_project_setting_enabled,
+        projects::{ProjectWithWorkspaceBillingInfo, get_project_and_workspace_billing_info},
+    },
 };
 
 #[derive(Debug, Clone)]
@@ -22,14 +26,12 @@ pub async fn check_trace_eligibility(
     project_id: Uuid,
 ) -> Result<TraceEligibilityResult> {
     let cache_key = format!("{}:{}", PROJECT_CACHE_KEY, project_id);
-    let project_info = cache.get::<serde_json::Value>(&cache_key).await;
+    let project_info = cache
+        .get::<ProjectWithWorkspaceBillingInfo>(&cache_key)
+        .await;
 
     let tier_name = match project_info {
-        Ok(Some(info)) => {
-            info.get("tier_name")
-                .and_then(|v| v.as_str())
-                .map(|s| s.to_string())
-        }
+        Ok(Some(info)) => Some(info.tier_name),
         _ => {
             // Fallback: query database if not in cache
             match get_project_and_workspace_billing_info(&db.pool, &project_id).await {