diff --git a/src/activation/treeView.ts b/src/activation/treeView.ts
index d3eff88..7b62a5e 100644
--- a/src/activation/treeView.ts
+++ b/src/activation/treeView.ts
@@ -3,6 +3,11 @@ import { UniversalTicketsProvider } from "@shared/views/UniversalTicketsProvider
 import { getLogger } from "@shared/utils/logger";
 import { debounce } from "@shared/utils/debounce";
 
+/**
+ * Debounce delay for tree view refresh on visibility changes (in milliseconds)
+ */
+const TREE_VIEW_REFRESH_DEBOUNCE_MS = 500;
+
 /**
  * Register the tickets tree view (sidebar)
  */
@@ -30,7 +35,7 @@ export async function registerTreeView(context: vscode.ExtensionContext): Promis
         ticketsProvider?.refresh();
         hasInitialData = true;
       }
-    }, 500);
+    }, TREE_VIEW_REFRESH_DEBOUNCE_MS);
 
     // Trigger refresh when the tree view becomes visible (debounced)
     treeView.onDidChangeVisibility((e) => {
diff --git a/src/shared/http/RetryableHttpClient.ts b/src/shared/http/RetryableHttpClient.ts
index 5afa283..2df1fe0 100644
--- a/src/shared/http/RetryableHttpClient.ts
+++ b/src/shared/http/RetryableHttpClient.ts
@@ -70,6 +70,12 @@ export class HttpError extends Error {
   }
 }
 
+/**
+ * Minimum delay in milliseconds for rate limit retries when no Retry-After header is present.
+ * This ensures we wait long enough to avoid immediately hitting the rate limit again.
+ */
+const MIN_RATE_LIMIT_DELAY_MS = 30000; // 30 seconds
+
 /**
  * Default retry configuration
  */
@@ -325,8 +331,8 @@ export class RetryableHttpClient {
           if (retryAfter !== null) {
             delay = Math.min(retryAfter, retryConfig.maxDelay);
           } else {
-            // Default delay for rate limiting without Retry-After
-            delay = Math.max(delay, 30000); // At least 30 seconds
+            // When no Retry-After header, use minimum delay to avoid immediately re-triggering rate limit
+            delay = Math.max(delay, MIN_RATE_LIMIT_DELAY_MS);
           }
         }