Support for `opfs-ahp://` when creating a client to access OPFS via the SHA Pool

[JRGranell]

Hi, we're looking to connect to an OPFS stored SQLLite instance running in WASM, however, we are required to use the SHA Pool for connection (we're unable to control/change the security headers from the server that would allow alternative OPFS approaches).

Ideally, this would work:

const sqlite3 = await sqlite3InitModule();
const poolUtil = await sqlite3.installOpfsSAHPoolVfs({ directory: '/data' });
const accessPool = new poolUtil.OpfsSAHPoolDb('my-db');

const client: Client = createClient({ url: `opfs-ahp://${accessPool.filename}` });

I appreciate that opfs-ahp is not a currently supported protocol, and I wanted to ask if this might be added in the future?

As a reference example, this is supported by PGLite

• https://pglite.dev/docs/filesystems#opfs-ahp-fs (although not on Safari due to the access limited that is required for PG files).
• https://github.com/electric-sql/pglite/blob/main/packages/pglite/src/fs/opfs-ahp.ts