Files
multica/apps/mobile/vitest.config.ts
Multica Eve ae27058b0a fix(attachments): unified download endpoint with mode + presign + proxy (MUL-2976) (#3747)
Fix attachment download for self-hosted deployments using private S3-compatible buckets without CloudFront. Closes #3721.

**Server**

- New unified `GET /api/attachments/{id}/download` endpoint that picks CloudFront / S3 presign / server proxy at request time.
- `ATTACHMENT_DOWNLOAD_MODE=auto|cloudfront|presign|proxy` and `ATTACHMENT_DOWNLOAD_URL_TTL` env knobs; `auto` routes Docker hostnames / localhost / private IPs through the proxy and public S3 endpoints through presign.
- `Storage.PresignGet` capability; S3 implementation generates presigned GET URLs.
- `attachmentToResponse` returns the unified relative endpoint instead of leaking raw unsigned S3 URLs when CloudFront is not configured. Proxy path streams via `io.Copy` with `Content-Disposition` / `Content-Length` / `Cache-Control: no-store` / `X-Content-Type-Options: nosniff`.

**Clients**

- CLI / Desktop / Mobile resolve relative `download_url` values against the configured API base. Desktop covers the Electron native download bridge and the media preview modal; Mobile covers `Linking.openURL`, the markdown image RN loader, and the composer's completed non-image file chip.
- Mobile gains a minimal Node-environment vitest lane wired into `mobile-verify.yml`.

**Docs**

- `.env.example`, `docker-compose.selfhost.yml`, `SELF_HOSTING_ADVANCED.md`, and the `environment-variables` doc set updated with the new env keys and the `ATTACHMENT_DOWNLOAD_MODE=proxy` recommendation for Docker / VPC-internal object stores.

**Tests**

- `internal/storage`, `internal/cli`, `internal/handler` (download endpoint, mode selection, proxy header, `/content` non-regression), `cmd/server` (trusted proxy parser).
- `packages/views/editor/use-download-attachment.test.tsx` and `attachment-preview-modal.test.tsx` exercise relative URL resolution + absolute pass-through.
- `apps/mobile/lib/attachment-url.test.ts` covers every helper branch plus the composer non-image chip case.
2026-06-04 14:52:57 +08:00

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TypeScript

import { defineConfig } from "vitest/config";
// Mobile vitest is intentionally minimal — Node environment only, scoped to
// pure-function tests in `lib/`. We don't ship jsdom or RN test renderers
// here because the app runs on Hermes / native shims and any DOM-shaped
// runner would be a lie. Tests that need RN component rendering would
// need a separate jest+react-native-testing-library track; for now we
// keep this lane for helpers and serializers only.
//
// Co-located test files (foo.ts + foo.test.ts) match how the rest of the
// monorepo organises vitest suites.
export default defineConfig({
test: {
environment: "node",
globals: true,
include: ["lib/**/*.test.ts"],
passWithNoTests: true,
},
});