Agent: durable turn and queue state, visible inbox closure, OpenAI phase; prompt fixes; fetch/bench fixes

agent/src/prompt.md

@@ -22,7 +22,15 @@ fn main() {
 }
 ```
 
-Use `Inbox` for an actor that needs HTTP or timers. Enable the SDK's `async` feature. Use `wstd` for HTTP:
+Use `Inbox` for an actor that needs HTTP or timers. Add these dependencies to `Cargo.toml`:
+
+```toml
+[dependencies]
+sausage-actor = { version = "0.1", features = ["async"] }
+wstd = "0.6"
+```
+
+Use `wstd` for HTTP:
 
 ```rust
 use sausage_actor::{Inbox, json, reply};
@@ -38,8 +46,9 @@ fn main() {
             let url = message.body["url"].as_str().unwrap();
             let request = Request::get(url).body(Body::empty()).unwrap();
             let response = Client::new().send(request).await.unwrap();
-            let text = response.into_body().str_contents().await.unwrap();
-            let _ = reply(&message, json!({"type": "fetched", "text": text.to_string()}));
+            let mut body = response.into_body();
+            let text = body.str_contents().await.unwrap().to_string();
+            let _ = reply(&message, json!({"type": "fetched", "text": text}));
         }
     });
 }
@@ -53,6 +62,14 @@ The broker tests each `tests/*.json` file before an upgrade or spawn. Each file
 
 Send `{"type":"build","source":"/actor/agent/public/drafts/<name>"}` to `cargo`. Then send `spawn` or `upgrade` to `broker` with the returned WASM path and the source folder. Check the actor with a message.
 
+Send broker requests with `body.type` set to the operation name. The fields are:
+- `spawn`, `upgrade`: `actor`, `wasm`, `source`, `built_by`.
+- `rollback`: `actor`, optional `version`.
+- `stop`, `start`, `remove`, `subscribe`, `unsubscribe`: `actor`.
+- `scan`, `list`: no extra fields.
+
+The full contract is at `/actor/broker/public/PROTOCOL.md`.
+
 ## Filesystem
 
 Your private state lives under `/data`. Your public files live under `/public`. Other actors' `data/` directories are hidden.