fix(ci): resolve eslint errors blocking master builds

CI was failing on every push since the search palette + article-toc updates.
The Next build was passing locally but the CI's stricter eslint catches more.

2 errors fixed:
- command-palette.tsx:40 + :64 — setState() inside useEffect bodies.
  Both intentional reset patterns (open → reset query/selection,
  query change → reset selected index). Same situation we hit earlier
  with the save-button + audit-client. Resolved with eslint-disable
  comments + reason notes ("intentional reset when modal opens" /
  "intentional reset when query changes"). Will refactor to
  useSyncExternalStore-pattern later if needed.

3 warnings fixed:
- page.tsx — 'categories' destructured but unused, removed
- vs-tools/page.tsx — 'LIST_PROBLEMS' imported but unused, removed
- article-toc.tsx — useEffect with 'allIds.join(",")' as a complex
  dep expression. Refactored: useMemo for the joined ids string,
  use it as the single dep. Cleaner + lint-rule-compliant.

Author: dotsystemsdevs

src/app/page.tsx

@@ -7,7 +7,7 @@ import { getAllArticles } from "@/lib/articles";
 import { LIST_PROBLEMS } from "@/lib/list-problems";
 
 export default async function HomePage() {
-  const { prompts, categories } = await getPromptLibrary();
+  const { prompts } = await getPromptLibrary();
   const contributors = await getRepoContributors();
   const articles = await getAllArticles();
   const fixesCount = LIST_PROBLEMS.length;

src/app/vs-tools/page.tsx

@@ -5,7 +5,6 @@ import { Reveal } from "@/components/motion/reveal";
 import { GithubCta } from "@/components/cta/github-cta";
 import { getPromptLibrary } from "@/lib/prompt-library";
 import { getAllArticles } from "@/lib/articles";
-import { LIST_PROBLEMS } from "@/lib/list-problems";
 
 export const metadata: Metadata = {
   title: "vibeprompt vs. Replit, Lovable, Bolt, Cursor, Claude Code — which vibe coding tool to pick",

src/components/articles/article-toc.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useEffect, useState } from "react";
+import { useEffect, useMemo, useState } from "react";
 import type { TocItem } from "@/lib/articles";
 
 export type TocProblem = { id: string; title: string };
@@ -11,13 +11,18 @@ interface ArticleTocProps {
 }
 
 export function ArticleToc({ items, problems = [] }: ArticleTocProps) {
-  const allIds = [...items.map((i) => i.id), ...problems.map((p) => p.id)];
-  const [activeId, setActiveId] = useState<string | null>(allIds[0] ?? null);
+  const idsKey = useMemo(
+    () => [...items.map((i) => i.id), ...problems.map((p) => p.id)].join(","),
+    [items, problems],
+  );
+  const firstId = idsKey.split(",")[0] || null;
+  const [activeId, setActiveId] = useState<string | null>(firstId);
 
   useEffect(() => {
-    if (allIds.length === 0) return;
+    const ids = idsKey ? idsKey.split(",") : [];
+    if (ids.length === 0) return;
 
-    const headingEls = allIds
+    const headingEls = ids
       .map((id) => document.getElementById(id))
       .filter((el): el is HTMLElement => el !== null);
 
@@ -40,7 +45,7 @@ export function ArticleToc({ items, problems = [] }: ArticleTocProps) {
 
     headingEls.forEach((el) => observer.observe(el));
     return () => observer.disconnect();
-  }, [allIds.join(",")]);
+  }, [idsKey]);
 
   if (items.length === 0 && problems.length === 0) return null;
 

src/components/search/command-palette.tsx

@@ -37,8 +37,10 @@ export function CommandPalette({ data }: { data: SearchItem[] }) {
 
   useEffect(() => {
     if (open) {
+      /* eslint-disable react-hooks/set-state-in-effect -- intentional reset when modal opens */
       setQuery("");
       setSelectedIndex(0);
+      /* eslint-enable react-hooks/set-state-in-effect */
       requestAnimationFrame(() => inputRef.current?.focus());
     }
   }, [open]);
@@ -61,6 +63,7 @@ export function CommandPalette({ data }: { data: SearchItem[] }) {
   }, [query, data]);
 
   useEffect(() => {
+    // eslint-disable-next-line react-hooks/set-state-in-effect -- intentional reset when query changes
     setSelectedIndex(0);
   }, [query]);