chore: seed sgclaw rust baseline

tests/pipe_protocol_test.rs

@@ -0,0 +1,59 @@
+use sgclaw::pipe::{Action, AgentMessage, BrowserMessage, SecurityFields, Timing};
+
+#[test]
+fn browser_init_round_trip_uses_frozen_wire_format() {
+    let raw = r#"{"type":"init","version":"1.0","hmac_seed":"0123456789abcdef","capabilities":["browser_action"]}"#;
+    let message: BrowserMessage = serde_json::from_str(raw).unwrap();
+
+    assert!(matches!(
+        message,
+        BrowserMessage::Init {
+            ref version,
+            ref hmac_seed,
+            ref capabilities
+        } if version == "1.0"
+            && hmac_seed == "0123456789abcdef"
+            && *capabilities == vec!["browser_action".to_string()]
+    ));
+
+    assert_eq!(serde_json::to_string(&message).unwrap(), raw);
+}
+
+#[test]
+fn command_serializes_action_and_security_fields() {
+    let message = AgentMessage::Command {
+        seq: 1,
+        action: Action::GetText,
+        params: serde_json::json!({ "selector": "#submit" }),
+        security: SecurityFields {
+            expected_domain: "oa.example.com".to_string(),
+            hmac: "abc123".to_string(),
+        },
+    };
+
+    let raw = serde_json::to_string(&message).unwrap();
+
+    assert!(raw.contains(r#""type":"command""#));
+    assert!(raw.contains(r#""action":"getText""#));
+    assert!(raw.contains(r#""expected_domain":"oa.example.com""#));
+}
+
+#[test]
+fn response_deserializes_timing_and_payload() {
+    let raw = r#"{"type":"response","seq":7,"success":true,"data":{"text":"提交成功"},"aom_snapshot":[],"timing":{"queue_ms":2,"exec_ms":38}}"#;
+    let message: BrowserMessage = serde_json::from_str(raw).unwrap();
+
+    assert_eq!(
+        message,
+        BrowserMessage::Response {
+            seq: 7,
+            success: true,
+            data: serde_json::json!({"text": "提交成功"}),
+            aom_snapshot: vec![],
+            timing: Timing {
+                queue_ms: 2,
+                exec_ms: 38,
+            },
+        }
+    );
+}