Phoebe Goldman

We currently have syntax in Rust for marking procedures as scheduled, but the host can't actually invoke them. Fix up the host's scheduler infrastructure so that scheduling a procedure results...

Extend the V8 module host to execute procedures, including the ability to suspend and resume execution during blocking or asynchronous operations, as in #3498 .

Add a single new host call for performing an HTTP request, `procedure_http_request`. Its signature is approximately: ``` extern "C" fn procedure_http_request(req: *const u8, req_len: u32, out: *mut BytesSource) -> Errno;...

A user report suggests that `datastore_index_scan_range_bsatn` will panic the host when passed a range where the end is greater than the start. [`std::collections::BTreeMap::range` says it does this, so I guess...

Replicate the Rust interface introduced in #3532 in the TypeScript client SDK.

Replicate the Rust interface introduced in #3532 in the Unreal client SDK.

Replicate the Rust interface introduced in #3532 in the C# client SDK.