hensei-web/app/api/parties/[shortcode]/remix/route.ts
Justin Edmund 426645813e
Fix intermittent crash: bounded caching + HTTP timeouts/keepAlive + preview route dedupe (#428)
## Summary
- Fixes periodic production crashes (undici ECONNREFUSED ::1) by
bounding server cache size/lifetime and hardening server HTTP client.

### Root cause
- React server cache (cache(...)) held axios responses indefinitely
across many parameter combinations, causing slow memory growth until the
Next.js app router worker was OOM-killed. The main server then failed
IPC to the worker (ECONNREFUSED ::1:<port>).

### Changes
- `app/lib/data.ts`: Replace unbounded cache(...) with unstable_cache
and explicit keys; TTLs: 60s for teams/detail/favorites/user, 300s for
meta (jobs/skills/accessories/raids/version).
- `app/lib/api-utils.ts`: Add shared Axios instance with 15s timeout and
keepAlive http/https agents; apply to GET/POST/PUT/DELETE helpers.
- `pages/api/preview/[shortcode].ts`: Remove duplicate handler to dedupe
route; retain the .tsx variant using `NEXT_PUBLIC_SIERO_API_URL`.

### Notes
- Build currently has pre-existing app/pages route duplication errors;
out of scope here but unrelated to this fix.
- Ensure `NEXT_PUBLIC_SIERO_API_URL` and `NEXT_PUBLIC_SIERO_OAUTH_URL`
are set on Railway.

### Risk/impact
- Low risk; behavior is unchanged aside from bounded caching and
resilient HTTP.
- Cache TTLs can be tuned later if needed.

### Test plan
- Verify saved/teams/user pages load and revalidate after TTL.
- Validate API routes still proxy correctly; timeouts occur after ~15s
for hung upstreams.
- Monitor memory over several days; expect stable usage without steady
growth.
2025-08-31 12:16:42 -07:00

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TypeScript

import { NextRequest, NextResponse } from 'next/server';
import { postToApi, revalidate } from '~/app/lib/api-utils';
// POST handler for remixing a party
export async function POST(
request: NextRequest,
{ params }: { params: { shortcode: string } }
) {
try {
const { shortcode } = params;
const body = await request.json();
// Remix the party
const response = await postToApi(`/parties/${shortcode}/remix`, body || {});
// Revalidate the teams page since a new party was created
revalidate('/teams');
if (response.shortcode) {
// Revalidate the new party page
revalidate(`/p/${response.shortcode}`);
}
return NextResponse.json(response);
} catch (error: any) {
console.error(`Error remixing party with shortcode ${params.shortcode}`, error);
return NextResponse.json(
{ error: error.message || 'Failed to remix party' },
{ status: error.response?.status || 500 }
);
}
}