fix lint pipeline for next 16 and remove legacy group id route

apps/web/app/groups/[id]/settings/page.tsx

@@ -1,14 +0,0 @@
-import { redirect } from "next/navigation";
-import { getSessionUser } from "@/lib/server/session";
-import GroupSettingsContent from "@/components/group-settings-content";
-
-export default async function GroupSettingsPage({ params }: { params: Promise<{ id: string }> }) {
-    const user = await getSessionUser();
-    if (!user) redirect("/login");
-
-    const { id } = await params;
-    const groupId = Number(id || 0);
-    if (!groupId) redirect("/");
-
-    return <GroupSettingsContent groupId={groupId} />;
-}

apps/web/eslint.config.mjs

@@ -0,0 +1,15 @@
+import nextVitals from "eslint-config-next/core-web-vitals";
+
+const config = [
+    ...nextVitals,
+    {
+        rules: {
+            "react-hooks/error-boundaries": "off",
+            "react-hooks/immutability": "off",
+            "react-hooks/purity": "off",
+            "react-hooks/set-state-in-effect": "off"
+        }
+    }
+];
+
+export default config;

apps/web/package.json

@@ -6,7 +6,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint && node scripts/check-no-group-id-routes.cjs",
+    "lint": "eslint . && node scripts/check-no-group-id-routes.cjs",
     "test": "node __tests__/run-tests.cjs",
     "pretest:ui": "npm --prefix ../.. --workspace @fiddy/db run test:ui-seed",
     "test:ui": "playwright test"

docs/05_REFACTOR_2.md

@@ -62,6 +62,24 @@ Primary outcomes:
   - Replaced `rowCount` checks with `rows.length` in typed query paths to satisfy current TypeScript/`pg` typings.
 - Implementation correction note:
   - A batch replacement briefly introduced invalid destructuring (`request_id` in `getRequestMeta` destructure). This was corrected in all affected routes before final verification.
+- Created path-scoped commit for this hardening slice:
+  - `b1c8a4a` — `harden public launch api contracts and ops baseline`.
+- Resolved lint pipeline breakage caused by `next lint` invocation under Next.js `16.1.6`:
+  - Switched `apps/web/package.json` lint script to `eslint . && node scripts/check-no-group-id-routes.cjs`.
+  - Added `apps/web/eslint.config.mjs` using `eslint-config-next/core-web-vitals`.
+  - Disabled newly surfaced React compiler-style hook rules to preserve prior lint parity without broad unrelated refactors:
+    - `react-hooks/error-boundaries`
+    - `react-hooks/immutability`
+    - `react-hooks/purity`
+    - `react-hooks/set-state-in-effect`
+- Fixed a real hook-order violation in `apps/web/components/group-settings-content.tsx` by moving the keyboard-listener `useEffect` above the early `return`.
+- Removed forbidden legacy dynamic route path under `app/groups` to satisfy repo policy script:
+  - Deleted `apps/web/app/groups/[id]/settings/page.tsx`.
+  - Removed empty directory `apps/web/app/groups/[id]`.
+- Re-ran verification after lint fixes:
+  - `npm test`: pass (`25 passed`, `1 skipped`).
+  - `npm run build`: pass.
+  - `npm run lint`: pass (warnings only; no errors).
 
 ### Risks / Notes to Revisit
 - Workspace is intentionally dirty; commits must be path-scoped to avoid mixing unrelated changes.