1 files changed, 99 insertions, 0 deletions
diff --git a/src/integration/assets/opencode/herdr-agent-state.js b/src/integration/assets/opencode/herdr-agent-state.js
new file mode 100644
index 00000000..8dbaa0d8
--- /dev/null
+++ b/src/integration/assets/opencode/herdr-agent-state.js
@@ -0,0 +1,99 @@
+import net from "node:net";
+
+const SOURCE = "herdr:opencode";
+
+function reportState(action) {
+  const paneId = process.env.HERDR_PANE_ID;
+  const socketPath = process.env.HERDR_SOCKET_PATH;
+
+  if (!paneId || !socketPath) {
+    return Promise.resolve();
+  }
+
+  const requestId = `${SOURCE}:${Date.now()}:${Math.floor(Math.random() * 1_000_000)
+    .toString()
+    .padStart(6, "0")}`;
+  const request = {
+    id: requestId,
+    method: action === "release" ? "pane.release_agent" : "pane.report_agent",
+    params:
+      action === "release"
+        ? {
+            pane_id: paneId,
+            source: SOURCE,
+            agent: "opencode",
+          }
+        : {
+            pane_id: paneId,
+            source: SOURCE,
+            agent: "opencode",
+            state: action,
+          },
+  };
+
+  return new Promise((resolve) => {
+    const client = net.createConnection(socketPath, () => {
+      client.write(`${JSON.stringify(request)}\n`);
+    });
+
+    const finish = () => {
+      client.destroy();
+      resolve();
+    };
+
+    client.setTimeout(500, finish);
+    client.on("data", finish);
+    client.on("error", finish);
+    client.on("end", finish);
+    client.on("close", resolve);
+  });
+}
+
+export const HerdrAgentStatePlugin = async () => {
+  if (
+    process.env.HERDR_ENV !== "1" ||
+    !process.env.HERDR_SOCKET_PATH ||
+    !process.env.HERDR_PANE_ID
+  ) {
+    return {};
+  }
+
+  return {
+    event: async ({ event }) => {
+      const type = event?.type;
+      const properties = event?.properties ?? {};
+
+      switch (type) {
+        case "permission.asked":
+          await reportState("blocked");
+          break;
+        case "permission.replied": {
+          const reply = properties.reply ?? properties.response;
+          if (reply === "reject") {
+            await reportState("idle");
+          } else if (reply === "once" || reply === "always") {
+            await reportState("working");
+          }
+          break;
+        }
+        case "session.status": {
+          const status =
+            typeof properties.status === "string"
+              ? properties.status
+              : properties.status?.type;
+          if (status === "busy" || status === "retry") {
+            await reportState("working");
+          } else if (status === "idle") {
+            await reportState("idle");
+          }
+          break;
+        }
+        case "session.idle":
+          await reportState("idle");
+          break;
+        default:
+          break;
+      }
+    },
+  };
+};