- Created `src/app/api/zxdb/download/route.ts` to serve local files. - Updated `resolveLocalLink` in `src/server/repo/zxdb.ts` to return API-relative URLs with `source` and `path` parameters. - Encodes the relative subpath to ensure correct URL construction. - Includes security checks in the API route to prevent path traversal. - Updated `docs/ZXDB.md` to reflect the proxy mechanism. Signed-off: junie@lucy.xalior.com