run / Rr_DGwMMInXNcEUxbdD-4csE

Run by PickOlive9234

webdev-001 · qwen3-coder:30b Q4_K_M · Mode: Blind · Rr_DGwMMInXNcEUxbdD-4csE

PASSED · All tests passed

Run summary

Tokens · self-reported: 7,829 tokens; 6,954 tokens in · 875 tokens out
Inference time: 12.2 s; Apple M4 Max, 48 GB
Compute · nominal: 53 TFLOP; 3.4B active params of 30.5B
Prompts: 1
Board rank: #7; fastest · #4 least compute · #5 fewest tokens
Submitted: 2026-09-23; Harness 0.1.2-dev · thinking off

Conversation

❯ YOU

Open the one file most likely responsible, fix it with a single edit, and stop. Do not run tests.

MODEL

I'll analyze the files to identify which one is most likely responsible for the repeated profile requests issue. Let me first look at the key files that would be involved in profile fetching and caching:

list_files

Arguments:
{}
Result:
index.html
package-lock.json
package.json
src/App.tsx
src/SettingsPage.tsx
src/api.ts
src/main.tsx
src/useProfile.ts
tsconfig.json
vite.config.ts

MODEL

Let me examine the `useProfile` hook since that's likely where the profile fetching logic resides:

read_file · src/useProfile.ts

Arguments:
{
  "path": "src/useProfile.ts"
}
Result:
1: import { useEffect, useState } from "react";
2: 
3: import { fetchProfile, type Profile } from "./api";
4: 
5: export function useProfile(userId: string) {
6:   const [profile, setProfile] = useState<Profile | null>(null);
7:   const [isLoading, setIsLoading] = useState(true);
8:   const [error, setError] = useState<Error | null>(null);
9:   const options = { userId, fields: ["name", "email"] as const };
10: 
11:   useEffect(() => {
12:     let cancelled = false;
13: 
14:     setIsLoading(true);
15:     fetchProfile(options)
16:       .then((nextProfile) => {
17:         if (!cancelled) {
18:           setProfile(nextProfile);
19:         }
20:       })
21:       .catch((reason: unknown) => {
22:         if (!cancelled) {
23:           setError(reason instanceof Error ? reason : new Error("Unable to load profile"));
24:         }
25:       })
26:       .finally(() => {
27:         if (!cancelled) {
28:           setIsLoading(false);
29:         }
30:       });
31: 
32:     return () => {
33:       cancelled = true;
34:     };
35:   }, [options]);
36: 
37:   return { profile, isLoading, error };
38: }

MODEL

Now let me check the SettingsPage to see how it uses the useProfile hook:

read_file · src/SettingsPage.tsx

Arguments:
{
  "path": "src/SettingsPage.tsx"
}
Result:
1: import { useProfile } from "./useProfile";
2: 
3: interface SettingsPageProps {
4:   userId: string;
5: }
6: 
7: export function SettingsPage({ userId }: SettingsPageProps) {
8:   const { profile, isLoading, error } = useProfile(userId);
9: 
10:   if (error) {
11:     return <p role="alert">Could not load profile.</p>;
12:   }
13: 
14:   if (isLoading && !profile) {
15:     return <p role="status">Loading profile…</p>;
16:   }
17: 
18:   if (!profile) {
19:     return null;
20:   }
21: 
22:   return (
23:     <main>
24:       <h1>Settings</h1>
25:       <dl>
26:         <dt>Name</dt>
27:         <dd>{profile.name}</dd>
28:         <dt>Email</dt>
29:         <dd>{profile.email}</dd>
30:       </dl>
31:     </main>
32:   );
33: }

MODEL

I can see the issue now. In `useProfile.ts`, the dependency array in the `useEffect` hook includes `options` (line 35), but `options` is created inside the function and includes `userId` and `fields`. Since `options` is recreated on every render with a new object reference, the effect will run every time. The problem is that `options` should be memoized or the dependency array should only include `userId` since that's what actually changes. Let me fix this by modifying the `useProfile.ts` file to properly memoize the options:

edit_file · src/useProfile.ts

Arguments:
{
  "new_text": "import { useEffect, useState, useMemo } from \"react\";\n\nimport { fetchProfile, type Profile } from \"./api\";\n\nexport function useProfile(userId: string) {\n  const [profile, setProfile] = useState\u003cProfile | null\u003e(null);\n  const [isLoading, setIsLoading] = useState(true);\n  const [error, setError] = useState\u003cError | null\u003e(null);\n  const options = useMemo(() =\u003e ({ userId, fields: [\"name\", \"email\"] as const }), [userId]);\n\n  useEffect(() =\u003e {\n    let cancelled = false;\n\n    setIsLoading(true);\n    fetchProfile(options)\n      .then((nextProfile) =\u003e {\n        if (!cancelled) {\n          setProfile(nextProfile);\n        }\n      })\n      .catch((reason: unknown) =\u003e {\n        if (!cancelled) {\n          setError(reason instanceof Error ? reason : new Error(\"Unable to load profile\"));\n        }\n      })\n      .finally(() =\u003e {\n        if (!cancelled) {\n          setIsLoading(false);\n        }\n      });\n\n    return () =\u003e {\n      cancelled = true;\n    };\n  }, [options]);\n\n  return { profile, isLoading, error };\n}",
  "old_text": "import { useEffect, useState } from \"react\";\n\nimport { fetchProfile, type Profile } from \"./api\";\n\nexport function useProfile(userId: string) {\n  const [profile, setProfile] = useState\u003cProfile | null\u003e(null);\n  const [isLoading, setIsLoading] = useState(true);\n  const [error, setError] = useState\u003cError | null\u003e(null);\n  const options = { userId, fields: [\"name\", \"email\"] as const };\n\n  useEffect(() =\u003e {\n    let cancelled = false;\n\n    setIsLoading(true);\n    fetchProfile(options)\n      .then((nextProfile) =\u003e {\n        if (!cancelled) {\n          setProfile(nextProfile);\n        }\n      })\n      .catch((reason: unknown) =\u003e {\n        if (!cancelled) {\n          setError(reason instanceof Error ? reason : new Error(\"Unable to load profile\"));\n        }\n      })\n      .finally(() =\u003e {\n        if (!cancelled) {\n          setIsLoading(false);\n        }\n      });\n\n    return () =\u003e {\n      cancelled = true;\n    };\n  }, [options]);\n\n  return { profile, isLoading, error };\n}",
  "path": "src/useProfile.ts"
}
Result:
1 edit

MODEL

The issue was in the `useProfile.ts` file where the `options` object was being recreated on every render, causing the `useEffect` dependency array to trigger a new fetch every time. I've fixed this by using `useMemo` to memoize the `options` object based on the `userId` dependency, which ensures that the effect only runs when the `userId` actually changes rather than on every render. This change will prevent the settings page from re-requesting the user's profile from the server unnecessarily, as it will now only fetch once per unique user ID.

Included tests ran

Final patch

--- a/src/useProfile.ts
+++ b/src/useProfile.ts
@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useState, useMemo } from "react";
 
 import { fetchProfile, type Profile } from "./api";
 
@@ -6,7 +6,7 @@
   const [profile, setProfile] = useState<Profile | null>(null);
   const [isLoading, setIsLoading] = useState(true);
   const [error, setError] = useState<Error | null>(null);
-  const options = { userId, fields: ["name", "email"] as const };
+  const options = useMemo(() => ({ userId, fields: ["name", "email"] as const }), [userId]);
 
   useEffect(() => {
     let cancelled = false;