diff --git a/hooks/use-task-poller.ts b/hooks/use-task-poller.ts
index 7de0f0e..09e0827 100644
--- a/hooks/use-task-poller.ts
+++ b/hooks/use-task-poller.ts
@@ -1,6 +1,6 @@
 'use client';
 
-import { useEffect, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { getTask } from '@/lib/api';
 import type { Task } from '@/lib/types';
 
@@ -12,6 +12,11 @@ type UseTaskPollerInput = {
 
 export function useTaskPoller({ taskId, intervalMs = 2200, onTerminalState }: UseTaskPollerInput) {
   const [task, setTask] = useState<Task | null>(null);
+  const onTerminalStateRef = useRef(onTerminalState);
+
+  useEffect(() => {
+    onTerminalStateRef.current = onTerminalState;
+  }, [onTerminalState]);
 
   useEffect(() => {
     if (!taskId) {
@@ -33,7 +38,7 @@ export function useTaskPoller({ taskId, intervalMs = 2200, onTerminalState }: Us
         setTask(latest);
 
         if (latest.status === 'completed' || latest.status === 'failed') {
-          onTerminalState?.(latest);
+          onTerminalStateRef.current?.(latest);
           return;
         }
       } catch {
@@ -53,7 +58,7 @@ export function useTaskPoller({ taskId, intervalMs = 2200, onTerminalState }: Us
         clearTimeout(timer);
       }
     };
-  }, [taskId, intervalMs, onTerminalState]);
+  }, [taskId, intervalMs]);
 
   return task;
 }
diff --git a/lib/api.ts b/lib/api.ts
index b379d0c..6dec663 100644
--- a/lib/api.ts
+++ b/lib/api.ts
@@ -153,11 +153,21 @@ export async function getLatestPortfolioInsight() {
 }
 
 export async function listFilings(query?: { ticker?: string; limit?: number }) {
+  const queryParams: {
+    ticker?: string;
+    limit?: number;
+  } = {};
+
+  if (query?.ticker?.trim()) {
+    queryParams.ticker = query.ticker.trim().toUpperCase();
+  }
+
+  if (query?.limit !== undefined) {
+    queryParams.limit = query.limit;
+  }
+
   const result = await client.api.filings.get({
-    $query: {
-      ticker: query?.ticker,
-      limit: query?.limit
-    }
+    $query: queryParams
   });
 
   return await unwrapData<{ filings: Filing[] }>(result, 'Unable to fetch filings');
diff --git a/next-env.d.ts b/next-env.d.ts
index 9edff1c..c4b7818 100644
--- a/next-env.d.ts
+++ b/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.