Add ACP agent backend and terminal controls

crates/acp/src/events_tests.rs

@@ -0,0 +1,65 @@
+use agent_client_protocol::schema::v1::{ContentBlock, SessionId, StopReason, TextContent};
+
+use super::*;
+
+#[test]
+fn session_started_exposes_agent_capabilities() {
+    let event = AcpEvent::SessionStarted {
+        session_id: SessionId::new("session-1"),
+        can_load: true,
+        can_steer: false,
+    };
+
+    assert_eq!(
+        event,
+        AcpEvent::SessionStarted {
+            session_id: SessionId::new("session-1"),
+            can_load: true,
+            can_steer: false,
+        }
+    );
+}
+
+#[test]
+fn finished_preserves_the_protocol_stop_reason() {
+    let event = AcpEvent::Finished {
+        stop_reason: StopReason::Cancelled,
+    };
+
+    assert_eq!(
+        event,
+        AcpEvent::Finished {
+            stop_reason: StopReason::Cancelled,
+        }
+    );
+}
+
+#[test]
+fn user_content_preserves_live_steering_input() {
+    let content = ContentBlock::Text(TextContent::new("stop at 75 seconds"));
+    let event = AcpEvent::UserContent {
+        content: content.clone(),
+    };
+
+    assert_eq!(event, AcpEvent::UserContent { content });
+}
+
+#[test]
+fn tool_events_preserve_display_safe_output() {
+    let event = AcpEvent::ToolCall {
+        id: "tool-1".into(),
+        title: "Run tests".to_owned(),
+        status: agent_client_protocol::schema::v1::ToolCallStatus::Completed,
+        output: Some("42 tests passed".to_owned()),
+    };
+
+    assert_eq!(
+        event,
+        AcpEvent::ToolCall {
+            id: "tool-1".into(),
+            title: "Run tests".to_owned(),
+            status: agent_client_protocol::schema::v1::ToolCallStatus::Completed,
+            output: Some("42 tests passed".to_owned()),
+        }
+    );
+}