3 files changed, 36 insertions, 0 deletions
diff --git a/src/api/mod.rs b/src/api/mod.rs
index 67964e83..7fd16fda 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -39,6 +39,7 @@ pub(crate) fn request_changes_ui(request: &Request) -> bool {
             | Method::PaneSplit(_)
             | Method::PaneRename(_)
             | Method::PaneReportAgent(_)
+            | Method::PaneReportAgentSession(_)
             | Method::PaneReportMetadata(_)
             | Method::PaneClearAgentAuthority(_)
             | Method::PaneReleaseAgent(_)
diff --git a/src/api/schema.rs b/src/api/schema.rs
index 794f6db4..483d4842 100644
--- a/src/api/schema.rs
+++ b/src/api/schema.rs
@@ -84,6 +84,8 @@ pub enum Method {
     PaneRead(PaneReadParams),
     #[serde(rename = "pane.report_agent")]
     PaneReportAgent(PaneReportAgentParams),
+    #[serde(rename = "pane.report_agent_session")]
+    PaneReportAgentSession(PaneReportAgentSessionParams),
     #[serde(rename = "pane.report_metadata")]
     PaneReportMetadata(PaneReportMetadataParams),
     #[serde(rename = "pane.clear_agent_authority")]
@@ -354,6 +356,19 @@ pub struct PaneReportAgentParams {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct PaneReportAgentSessionParams {
+    pub pane_id: String,
+    pub source: String,
+    pub agent: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub seq: Option<u64>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_id: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub agent_session_path: Option<String>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct PaneReportMetadataParams {
     pub pane_id: String,
     pub source: String,
@@ -1073,6 +1088,25 @@ mod tests {
     }
 
     #[test]
+    fn request_round_trips_for_pane_report_agent_session() {
+        let request = Request {
+            id: "req_session".into(),
+            method: Method::PaneReportAgentSession(PaneReportAgentSessionParams {
+                pane_id: "1-1".into(),
+                source: "herdr:claude".into(),
+                agent: "claude".into(),
+                seq: Some(42),
+                agent_session_id: Some("claude-session".into()),
+                agent_session_path: None,
+            }),
+        };
+
+        let json = serde_json::to_string(&request).unwrap();
+        let restored: Request = serde_json::from_str(&json).unwrap();
+        assert_eq!(restored, request);
+    }
+
+    #[test]
     fn request_round_trips_for_pane_report_metadata() {
         let request = Request {
             id: "req_metadata".into(),
diff --git a/src/api/server.rs b/src/api/server.rs
index cd130e47..8b4362fb 100644
--- a/src/api/server.rs
+++ b/src/api/server.rs
@@ -303,6 +303,7 @@ fn api_method_name(method: &Method) -> &'static str {
         Method::PaneSendInput(_) => "pane.send_input",
         Method::PaneRead(_) => "pane.read",
         Method::PaneReportAgent(_) => "pane.report_agent",
+        Method::PaneReportAgentSession(_) => "pane.report_agent_session",
         Method::PaneReportMetadata(_) => "pane.report_metadata",
         Method::PaneClearAgentAuthority(_) => "pane.clear_agent_authority",
         Method::PaneReleaseAgent(_) => "pane.release_agent",