Add deterministic agent context compiler

Signed-off-by: Salman Mohammed <smohammed@squareup.com>

crates/buzz-cli/src/cli_message_command_tests.rs

@@ -0,0 +1,29 @@
+use clap::Parser;
+
+use super::Cli;
+
+#[test]
+fn messages_thread_accepts_link_or_explicit_identifiers() {
+    let channel = "123e4567-e89b-12d3-a456-426614174000";
+    let event = "a".repeat(64);
+    let link = format!("buzz://message?channel={channel}&id={event}");
+
+    assert!(Cli::try_parse_from(["buzz", "messages", "thread", "--link", link.as_str(),]).is_ok());
+    assert!(Cli::try_parse_from([
+        "buzz",
+        "messages",
+        "thread",
+        "--channel",
+        channel,
+        "--event",
+        event.as_str(),
+    ])
+    .is_ok());
+}
+
+#[test]
+fn messages_raw_requires_an_event_id_argument() {
+    let event = "a".repeat(64);
+    assert!(Cli::try_parse_from(["buzz", "messages", "raw", "--event", event.as_str()]).is_ok());
+    assert!(Cli::try_parse_from(["buzz", "messages", "raw"]).is_err());
+}